Renesas Strengthens Power Leadership with New GaN FETs for High-Density Power Conversion in AI Data Centers, Industrial and Charging Systems
  Renesas Electronics Corporation (TSE:6723), a premier supplier of advanced semiconductor solutions, introduced three new high-voltage 650V GaN FETs for AI data centers and server power supply systems including the new 800V HVDC architecture, E-mobility charging, UPS battery backup devices, battery energy storage and solar inverters. Designed for multi-kilowatt-class applications, these 4th-generation plus (Gen IV Plus) devices combine high-efficiency GaN technology with a silicon-compatible gate drive input, significantly reducing switching power loss while retaining the operating simplicity of silicon FETs. Offered in TOLT, TO-247 and TOLL package options, the devices give engineers the flexibility to customize their thermal management and board design for specific power architectures.  The new TP65H030G4PRS, TP65H030G4PWS and TP65H030G4PQS devices leverage the robust SuperGaN® platform, a field-proven depletion mode (d-mode) normally-off architecture pioneered by Transphorm, which was acquired by Renesas in June 2024. Based on low-loss d-mode technology, the devices offer superior efficiency over silicon, silicon carbide (SiC), and other GaN offerings. Moreover, they minimize power loss with lower gate charge, output capacitance, crossover loss, and dynamic resistance impact, with a higher 4V threshold voltage, which is not achievable with today’s enhancement mode (e-mode) GaN devices.  Built on a die that is 14 percent smaller than the previous Gen IV platform, the new Gen IV Plus products achieve a lower RDS(on) of 30 milliohms (mΩ), reducing on-resistance by 14 percent and delivering a 20 percent improvement in on-resistance output-capacitance-product figure of merit (FOM). The smaller die size reduces system costs and lowers output capacitance, which results in higher efficiency and power density. These advantages make the Gen IV Plus devices ideal for cost-conscious, thermally demanding applications where high performance, efficiency and small footprint are critical. They are fully compatible with existing designs for easy upgrades, while preserving existing engineering investments.  Available in compact TOLT, TO-247 and TOLL packages, they provide one of the broadest packaging options to accommodate thermal performance and layout optimization for power systems ranging from 1kW to 10kW, and even higher with paralleling. The new surface-mount packages include bottom side (TOLL) and top-side (TOLT) thermal conduction paths for cooler case temperatures, allowing easier device paralleling when higher conduction currents are needed. Further, the commonly used TO-247 package provides customers with higher thermal capability to achieve higher power.  “The rollout of Gen IV Plus GaN devices marks the first major new product milestone since Renesas’ acquisition of Transphorm last year,” said Primit Parikh, Vice President of the GaN Business Division at Renesas. “Future versions will combine the field-proven SuperGaN technology with our drivers and controllers to deliver complete power solutions. Whether used as standalone FETs or integrated into complete system solution designs with Renesas controllers or drivers, these devices will provide a clear path to designing products with higher power density, reduced footprint and better efficiency at a lower total system cost.”  Unique d-mode Normally-off Design for Reliability and Easy Integration  Like previous d-mode GaN products, the new Renesas devices use an integrated low-voltage silicon MOSFET – a unique configuration that achieves seamless normally-off operation while fully capturing the low loss, high efficiency switching benefits of the high- voltage GaN. As they use silicon FETs for the input stage, the SuperGaN FETs are easy to drive with standard off-the-shelf gate drivers rather than specialized drivers that are normally required for e-mode GaN. This compatibility simplifies design and lowers the barrier to GaN adaptation for system developers.  GaN-based switching devices are quickly growing as key technologies for next-generation power semiconductors, fueled by demand from electric vehicles (EVs), inverters, AI data center servers, renewable energy, and industrial power conversion. Compared to SiC and silicon-based semiconductor switching devices, they provide superior efficiency, higher switching frequency and smaller footprints.  Renesas is uniquely positioned in the GaN market with its comprehensive solutions, offering both high- and low-power GaN FETs, unlike many providers whose success in the field has been primarily limited to lower power devices. This diverse portfolio enables Renesas to serve a broader range of applications and customer needs. To date, Renesas has shipped over 20 million GaN devices for high- and low-power applications, representing more than 300 billion hours of field usage.
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Release time:2025-07-04 15:04 reading:393 Continue reading>>
Tumfei Valve Technology:The principle of common valves and their use
  Tumfei Valve Technology has summarized the principle of common valves and their use. Let's learn about them together.  First, the role of the valve  1, opening and closing action - cut off or communicate the flow of fluid in the tube;  2, regulating effect - regulating tube flow, flow rate;  3, throttling effect - make the fluid through the valve to produce a large pressure drop;  4. Other functions -a. Automatic opening and closing b. Maintain a certain pressure c, prevent steam drainage.  Second, the type of valve  1, according to the use of: cut-off valves, regulating valves, diverting valves, check valves, safety valves;  2, according to the force points: he action with the valve, automatic action valve.  Three, the main parameters of the valve  PN nominal pressure (the maximum pressure that allows fluid to pass through);  DN nominal diameter;  TN Temperature range (permissible fluid temperature range).  Forth, Check the valve before use  Check items include:  1, the internal and external surfaces of the valve body have sand holes, cracks and other defects;  2. Whether the valve seat is firmly engaged with the valve body, whether the spool is consistent with the valve seat, and whether the sealing surface is defective;  3, whether the valve stem and the spool connection is flexible and reliable, whether the valve stem is bent, whether the thread is damaged or corroded;  4, packing, gasket is aging damage;  5, the valve open is flexible, etc.  Fifth,Problems often occur in the use of valves  1, flange and thread leakage at the connection of the pipeline;  2, packing culvert leakage, waist pad leakage and valve stem can not move;  3, between the valve core and the seat is not tightly closed to form internal leakage.  Sixth, the characteristics of commonly used valves and their use precautions  (1) Plug Valve (Cock)  Features: TN less than 150 degrees PN less than 1.6Mpa its simple structure, quick opening and closing, easy operation, low fluid resistance and other advantages  Precautions for use:  1, the outer end of the valve stem is square, the straight line marked by the diagonal is vertical and the direction of the valve body is closed, and the direction of the valve body is consistent with the open state;  2, the normal switch valve with cock special wrench, to avoid sliding with the valve stem caused by safety accidents; Try not to use an adjustable wrench to cause slippage;  3, open the valve according to the previous check item check, slowly open the valve after the check, try not to stand in the direction of the sealing surface when opening, encounter acid and alkali fluid must wear acid mask;  4, if the pipeline has a sight mirror see the fluid in the sight mirror can be checked and left.  (2) Ball valve:  Ball valve and plug valve are the same type of valve, but the opening and closing part is a ball with a hole, and the center line of the ball valve stem rotates to achieve the purpose of opening and closing.  Insulated ball valve with jacket  Stainless steel ball valve  Stainless steel ball valve quick opening ball valve  Features: Valve structure is simple, reliable, used for two-way flow medium pipeline, fluid resistance is small, good sealing; Disadvantages; The medium is easy to leak from the stem.  Precautions for use:  Same as a plug valve;  With a handle valve, the handle perpendicular to the medium flow direction for the closed state, consistent with the direction for the open state; If the ball valve with jacket insulation should pay attention to the following matters:  The jacket insulation steam should be opened to melt the crystallizing medium in the valve before opening and closing the valve, do not forcibly open and close the valve before the medium is completely melted;  When the valve cannot be opened, the method of lengthening the lever cannot be used to forcibly open the valve, because this will cause the valve stem to be resisted and the spool to fall off, causing damage to the valve or causing damage to the wrench, resulting in unsafe factors.  (3) Butterfly valve  The butterfly valve uses a rotating disc with a flexible shaft to control the opening and cosing of the pipeline, and the Angle size reflects the opening degree of the valve.  According to the different transmission methods, the butterfly valve is split, pneumatic and electric three, commonly used for manual, rotating handle through the gear drive valve stem to open and close the valve.  Features: Butterfly valve has the advantages of simple structure, rapid opening and closing, small fluid resistance, easy maintenance, etc., but it can not be used for high temperature and high pressure occasions, PN less than 1.6Mpa, t less than 120 degrees of large diameter water, steam, air, oil and other pipelines.  Precautions for use:  1, the spool can only be rotated 90 degrees, generally the valve body will indicate the direction of the CLOSE and OPEN arrows, the hand wheel clockwise rotation is closed, and the reverse is open;  2, if sometimes there is a certain resistance to opening and closing, you can use a special P wrench to open the valve. But it can not be forced to open and close, otherwise the male will stir the thin rod gear:  3. It is forbidden to remove the handwheel and report the hand vibration valve sample with activity; (Same goes for lower waist)  4. Gradually open and close when opening and closing, observe whether there is any abnormal situation, and prevent leakage.  (4) Stop valve  The globe valve is the most widely used cut-off valve in chemical production. Compared with the above three cut-off valves, it is not the use of the rotation of its closing parts to open and close the valve, but the use of the valve stem to drive the circular valve disc (valve head) connected with it, and change the distance between the valve disc and the seat to control the valve opening and closing.  Streamline type stop valve American standard stop valve  Features: The upper part of the globe valve has a handwheel, valve stem, the middle has a thread and packing culvert sealing section, the small valve stem on the thread in the valve body, its compact structure, but the valve stem and the medium contact part, especially the thread part is easy to corroded, from the height of the valve stem exposed to the valve cover can be judged  The globe valve structure is more complex, but the operation is simple, not very laborious, easy to adjust the flow rate and truncate the channel, slow closing without water hammer phenomenon, so it is more widely used.  When installing the globe valve, pay attention to the direction of the fluid, the pipeline fluid should flow through the valve seat from the bottom up, and the so-called "low into high", the purpose is to reduce the fluid resistance, so that the valve stem and packing culvert are not in contact with the medium under the opening and closing state, to ensure that the valve stem and packing culvert are not damaged and leaked.  The globe valve is mainly used for the pipeline of water, steam, compressed air and various materials, which can adjust the flow rate more accurately and strictly cut off the channel, but can not be used for materials with large viscosity and easy crystallization.  Precautions for use:  1, before opening to check the valve for defects, especially the filler culvert leakage:  2, in the valve stem can not be directly rotated by hand, the special F wrench can be used to open and close, when it is still unable to open and close, please do not extend the wrench lever to force open and close, resulting in damage to the valve or cause safety accidents:  3, when used for medium pressure steam pipeline valve, the condensate in the pipe should be drained first when opened. Then slowly open the valve with 0.2 to 0.3Mpa steam to preheat the pipeline, to avoid the sudden opening of pressure caused by damage to the sealing surface, called the normal inspection after the pressure to adjust the required state  (5) Gate valve  Gate valve, also known as gate valve or gate valve, it is through the lift of the gate to control the valve opening and closing, the gate is straight to the direction of the fluid, change the relative position between the gate and the seat can change the size of the channel.  Open stem gate valve Dark stem gate valve  According to the different movement of the valve stem when the gate valve is opened and closed, the gate valve has two kinds of distinct rod type and dark rod type.  Open rod gate valve stem thread strike outside the valve body, open the valve stem out of the handwheel, its advantage is that according to the length of the valve stem to determine the size of the valve open, the valve stem and the medium contact length is small, the thread part is basically not affected by the medium corrosion, the disadvantage is that the height of the overhang space.  The valve stem thread inside the valve stem and the internal thread on the gate plate want to match, open the valve stem only rotation without up and down, the gate rises along the valve stem thread. The advantage of dark rod gate valve is that the overhang space is small, the disadvantage is that the opening of the valve can not be judged according to the condition of the valve stem, and the valve stem thread is easily corroded by long-term contact with the medium.  Gate valve has the advantages of small fluid resistance, constant medium flow direction, slow opening without water hammer phenomenon, easy to adjust the flow rate, etc. The disadvantages are complex structure, large size, long opening and closing time, and difficult maintenance of sealing surface. Due to the large bore feed pipe  1, when the valve stem is opened and closed in place, it can not be forced to force, otherwise it will break the internal thread or latch screw, so that the valve is damaged;  2, open and close the valve when the hand can not be directly started, F wrench can be used to open and close;  3. When opening and closing the valve, pay attention to the sealing surface of the valve, especially the packing gland to prevent leakage.  (6) Throttle valve  Throttle valve, also known as needle valve, its shape is similar to the globe valve, its valve core shape is different, back to the base or parabola, often used in the instrument, often bundle connection.  Precautions for use:  1, because of the threaded connection, first check whether the threaded connection is loose when opening and closing;  2, open and close the valve slowly, because the flow area is small, the flow rate is large, may cause corrosion of the sealing surface, should pay attention to observe, pay attention to the change of pressure.  (7) Check valve  Check valve is a valve that automatically opens and closes by using the pressure difference between the medium before and after the valve to control the one-way flow of the medium, also known as check valve or check valve.  Check valves are divided into two types according to different structures: lifting type (jumping type) and swinging type (shaking pole type).  Lift type swing type  Precautions for use:  Pay attention to the direction of the valve, the arrow is consistent with the flow direction of the medium, such as the medium easy crystallization may cause the valve disc can not be pressed down to play the role of command and check.  (8) Safety valve  The safety valve is a kind of valve that automatically opens and closes according to the medium pressure. When the medium pressure exceeds a certain value, it can automatically open the valve to discharge pressure relief, so that the equipment pipeline is free from the danger of damage, and can automatically close after the pressure returns to normal.  According to the way of balancing the internal pressure, the safety valve is divided into two categories: lever weight type and spring type.  Precautions for use:  1, the safety valve must be used within the validity period;  2, the safety valve control valve installed on the pipeline and equipment is usually the globe valve must be opened to ensure that the safety valve can work effectively;  3. Periodically lift the valve disc slightly and use the medium to blow the impurities in the valve.  4, if the safety valve can not work within the setting pressure, it must be re-validated or replaced  (9) Steam trap  Steam trap is a kind of valve that can automatically and intermittently remove condensate and prevent steam from leaking out in steam pipeline, heater and other equipment systems. Commonly used are bell-shaped float type, thermal power type and pulse type.  Precautions for use:  1, use the pipeline bypass valve to remove condensate before use, when there is steam to close the bypass, start the trap path, otherwise the valve will be closed water can not play the role of drainage;  2. Be careful not to be scalded by steam when opening and closing the valve.  (10) All kinds of sampling valves  As the name suggests, the sampling valve is a valve used to obtain media samples so that chemical analysis can be performed, generally installed in equipment or pipelines are roughly divided into the following categories:  Double opening valves, flanged clip valves, and sampling valves with insulated jacket:  Use note method:  1, the double opening valve is generally composed of two ball valves, to sample safety and achieve the purpose of sampling through linkage in the negative pressure device; When sampling, close the second valve near the equipment and pipeline and open the first valve. Let the medium flow into the space between the two valves; Then close the first valve, open the second valve, and place the sampling vessel into the sampling port to contain the medium;  2. The flange clip valve is generally sealed through the top cone of the valve stem and the cone hole of the seat, and the valve stem is separated from the cone hole by turning the hand wheel during sampling, so that the medium can flow from the cone hole to the external sampling vessel;  3, with jacket insulation sampling valve should pay attention to the following matters:  I should open the jacket insulation steam to melt the crystallizable medium in the valve before opening and closing the valve, do not forcibly open and close the valve before the medium is completely melted;  When the valve cannot be opened, the method of lengthening the lever cannot be used to forcibly open the valve, because this will cause the valve stem to suffer greater resistance and the valve core to fall off, or cause the valve stem and the cone hole sealing surface to be damaged. from  And cause damage to the valve or cause damage to the wrench, resulting in unsafe factors.  (11) Fluorine plastic lined rubber valve  Fluorine plastic lined rubber valve is mainly used in acid and alkali and other corrosive media, its structure principle is similar to the unlined fluorine plastic valve, but its stem, valve core, valve seat are used fluorine plastic substrate, its use method is similar.  Classification of valves  There are many kinds of valves. With the continuous improvement of the process flow and performance of various complete sets of equipment, the types of valves are still increasing, and there are a variety of classification methods.  According to the automatic and drive classification, can be divided into:  1) Automatic valves rely on the ability of the medium (liquid, air, steam, etc.) to operate by itself. Such as safety valves, check valves, pressure reducing valves, steam traps, solenoid valves, air traps, emergency cut-off valves, etc.  2) Drive valves Valves that are operated manually, electrically, hydraulically or pneumatic. Such as gate valve, globe valve, throttle valve, butterfly valve, ball valve, plug valve and so on.  According to the use and function classification, can be divided into:  1) The cut-off valve is mainly used to cut off or connect the medium flow in the pipeline. Such as globe valve, gate valve, ball valve, plug valve, butterfly valve, diaphragm valve and so on.  2) Check valves are used to prevent the backflow of the medium. Such as a variety of different structures of the check valve.  3) Regulating valves are mainly used to regulate the pressure and flow of the pipeline medium. Such as regulating valve, throttle valve, pressure reducing valve and so on.  4) The diverter valve is used to change the direction of the flow of the medium in the pipeline, and plays the role of distributing, diverting or mixing the medium.  Such as various structures of distribution valves, three-way or four-way plug valves, three-way or four-way ball valves, various types of traps and so on.  5) Safety valves are used for overpressure safety protection, discharge of excess media, and prevent pressure from exceeding the specified value. Such as various types of safety valves.  6) Multi-purpose valves are used to replace two, three or even more types of valves. Such as stop check valve, check ball valve, stop check safety valve, etc.  7) Other special valves such as blowdown valve, blowdown valve, coke valve, pigging valve, etc.
Release time:2025-06-17 14:09 reading:449 Continue reading>>
GigaDevice Launches New EtherCAT® SubDevice Controller Chip An Excellent Choice for Industrial Automation
  GigaDevice (Stock Code: 603986), a leading semiconductor supplier, announced today the official launch of its EtherCAT® SubDevice Controller chip.  GigaDevice has received official authorization from Beckhoff and launched its first EtherCAT® SubDevice Controller, GDSCN832, along with the ultra-high performance industrial automation MCU series GD32H75E, which incorporates the EtherCAT® SubDevice Controller. These new products are tailored to meet the demands of the industrial automation market, providing optimal solutions for applications such as servo control, variable frequency drives, industrial PLCs, and communication modules, thanks to their exceptional processing power and extensive interface resources. Samples and development boards are now available, with mass production scheduled for 2nd quarter of 2025.  GigaDevice EtherCAT® SubDevice Controller Chip  EtherCAT® SubDevice Controller: Achieving Ultra-Fast Response Time  The GDSCN832 series is a 2/3-port EtherCAT® SubDevice Controller integrating two internal PHYs and one MII extension interface. It has a dual-channel integrated Ethernet physical layer device, with each channel offering a full-duplex 100BASE-TX transceiver supporting 100 Mbps operation. This series supports eight Fieldbus Memory Management Units (FMMU), enhancing data processing performance and security while effectively reducing memory access latency to improve system response time and real-time performance, providing users with high flexibility in data mapping. Additionally, it supports eight Sync Manager entities for efficient memory management.  The GDSCN832 series includes up to 8 KB of Dual-Port RAM (DPRAM), facilitating large data processing capabilities for complex control systems. It incorporates a 64-bit distributed clock with a host bus interface that achieves equivalent functionality through high-speed synchronous/asynchronous device interfaces, with a precision below 1 µs. This product series supports 8/16-bit serial/parallel port communication, SPI/QSPI/OSPI device interfaces with communication speeds up to 100 MHz, and EXMC synchronous mode. Its diverse interface options provide users with greater flexibility in interface configuration. An integrated 1.1V core regulator supports operation with a single 3.3V power supply and allows for variable voltage I/O from 1.8V to 3.3V. The GDSCN832 supports HP Auto-MDIX, enabling direct or crossover LAN cable connections. Four low-power modes are available to balance energy efficiency and power consumption.  With its high integration, flexibility, and stability, the GDSCN832 is ideal for applications such as motor motion control, data acquisition, industrial automation, communication modules, and sensors. The series comes in a compact QFN64 package, along with a development and evaluation board, providing a cost-effective EtherCAT® SubDevice Controller device solution for developers.  GD32H75E Series EtherCAT® Industrial Automation MCUs: Combining Superior Control and Efficient Communication Capabilities  GigaDevice has launched the GD32H75E series, its first high-performance MCU product authorized by Beckhoff to integrate the EtherCAT® SubDevice Controller. Combining the GDSCN832 series chip with a high-performance MCU, this product offers a seamless solution for diverse industrial automation applications, including servo motor control, variable frequency drives, industrial PLCs, and communication modules.  Building on the exceptional features of the GD32H7 series, the GD32H75E series uses an Arm® Cortex®-M7 high-performance core with a frequency of up to 600 MHz. It includes an advanced DSP hardware accelerator, a double-precision floating-point unit (FPU), a hardware trigonometric accelerator (TMU), and a filter algorithm accelerator (FAC). The series offers on-chip Flash memory ranging from 1024 KB to 3840 KB and 1024 KB of SRAM, with 512 KB configurable tightly coupled memory (ITCM, DTCM) for zero-wait execution of critical instructions and data. All Flash and SRAM regions support ECC verification, enhancing system reliability. Additionally, it features a 64 KB L1-Cache (I-Cache, D-Cache) to further improve CPU efficiency and real-time performance.  The GD32H75E provides a wealth of peripheral resources, including 8 USARTs, 4 I2Cs, 6 SPIs, 4 I2S, and an 8-line OSPI (backward compatible with 4-line QSPI). It supports 2 USB 2.0 OTG interfaces with Full Speed and High Speed modes and includes 3 CAN-FD controllers. The series also features four 32-bit general-purpose timers, twelve 16-bit general-purpose timers, four 64-bit/32-bit basic timers, and two advanced PWM timers. Two 14-bit ADCs provide sampling rates up to 4 MSPS, with one 12-bit ADC reaching 5.3 MSPS, along with a fast comparator (COMP) and DAC for high-precision analog functions. A high-performance digital filter module (HPDF) for external Σ-Δ modulators and an encoder divide output controller (EDOUT) are also integrated, making it ideal for high-precision motion control systems.
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Release time:2025-05-21 16:53 reading:509 Continue reading>>
EMC components: TDK offers multilayer chip beads with the industry's highest rated current of 8 A for power supply lines
  TDK Corporation (TSE: 6762) has expanded its MPZ1608-PH series of large-current multilayer chip beads for automotive and commercial power supply lines (1.6 x 0.8 x 0.6 mm – L x W x H). Mass production of the product series began in May 2025.  These 1608-size chip beads for power supply lines achieve a rated current of 8 A, the industry’s highest value*. Chip beads are used as noise suppression components in power and signal circuits. In a circuit with a current of 8 A or more, usually two or more chip beads must be used in parallel. This has the disadvantage that the current is not evenly distributed between the ferrite beads. TDK’s new product simplifies the circuit structure because fewer components are required compared to conventional methods, and it improves the quality of power circuits.  The MPZ1608-PH series of products halves the component footprint in comparison with circuits using two conventional 1608-sized chip beads. Moreover, the highly reliable components with a specified operating temperature of up to +125 °C are designed to be used in high-temperature environments like automotive and industrial equipment applications.  With TDK’s proprietary materials and structural designs adapted to market needs, the company is committed to expanding its lineup of high rated current products in the automotive, industrial equipment, and consumer equipment areas. These chip beads will serve as EMC components contributing to the enhancement of the quality of power circuits.  Glossary  EMC: electromagnetic compatibility  Main applications  Power circuit for different pieces of equipment: in-vehicle ECUs, power train, vehicle body control, automotive multimedia (telematics), base stations, PCs, servers, set-top box, smart grids, robots, smartphones, tablet devices, etc.  Main features and benefits  Compatible with large currents as high as 8 A  Reduces components and footprint  Highly reliable; can be used in high-temperature environments like automotive applications  Key data
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Release time:2025-05-16 13:45 reading:374 Continue reading>>
DENSO and ROHM Reach Basic Agreement to Establish a Strategic Partnership in the Semiconductor Field
  DENSO CORPORATION and ROHM Co., Ltd. are pleased to announce that the two companies have reached a basic agreement to establish a strategic partnership in the semiconductor field. This agreement follows discussions and considerations that began in September 2024.  Recently, the importance of semiconductors that support the electrification and intelligence of vehicles has been increasing significantly. This is driven by the development and spread of electric vehicles aimed at achieving carbon neutrality, as well as the realization of automated driving, which is expected to contribute to zero fatalities in traffic accidents.  DENSO and ROHM have a long-standing collaboration in the trade and development of automotive semiconductors. Going forward, both companies will integrate DENSO's advanced system construction capabilities in the automotive sector with ROHM's cutting-edge semiconductor technology, cultivated in the consumer market. This partnership will focus on enhancing the lineup of high-quality devices, particularly analog ICs, that support vehicle electrification and intelligence, and deepening collaboration in development. Additionally, in highly compatible fields within their semiconductor businesses, both companies will discuss broad collaboration. By globally supplying products created through this co-creation, both companies aim to contribute to technological innovation in the automotive field and realize a sustainable mobility society.  To further solidify this partnership, DENSO and ROHM will continue to consider strengthening their capital relationship.  DENSO CORPORATION President & CEO, Shinnosuke Hayashi  DENSO positions semiconductors as key devices to realize next-generation vehicle systems and has been deepening its cooperative relationships with semiconductor manufacturers that possess rich experience and knowledge. ROHM has a wide range of semiconductor lineups that are crucial for automotive electronics products, essential for vehicle intelligence and electrification. We are very pleased that the partnership with ROHM is progressing smoothly. By further deepening the collaboration between both companies and integrating DENSO's accumulated automotive technology and expertise, we believe we can contribute to the development of the mobility society through stable supply and enhanced product value.  ROHM Co., Ltd. President (Representative Director), Katsumi Azuma  We are very pleased to deepen our collaborative relationship with DENSO, a leader in technological innovation for the mobility society. This partnership not only strengthens our relationship as suppliers but also envisions broad collaboration in the semiconductor business of both companies. Initially, we will focus on the development of analog ICs related to next-generation systems such as electrification, automated driving, and connected vehicles. Furthermore, without narrowing the scope, we will integrate our respective technologies, knowledge, and assets across a wide range of fields to contribute to technological innovation and stable supply in the automotive industry.
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Release time:2025-05-13 15:12 reading:396 Continue reading>>
ROHM Develops New High Power Density SiC Power Modules Compact high heat dissipation design sets a new standard for OBCs
  ROHM has developed the new 4-in-1 and 6-in-1 SiC molded modules in the HSDIP20 package optimized for PFC and LLC converters in onboard chargers (OBC) for xEVs (electric vehicles). The lineup includes six models rated at 750V (BSTxxx1P4K01) and seven products rated at 1200V (BSTxxx2P4K01). All basic circuits required for power conversion in various high-power applications are integrated into a compact module package, reducing the design workload for manufacturers and enabling the miniaturization of power conversion circuits in OBCs and other applications.  In recent years, the rapid electrification of cars is driving efforts to achieve a decarbonized society. Electric vehicles are seeing higher battery voltages to extend the cruising range and improve charging speed, creating a demand for higher output from OBCs and DC-DC converters. At the same time, there is an increasing need in the market for greater miniaturization and lighter weight for these applications, requiring technological breakthroughs to improve power density - a key factor - while enhancing heat dissipation characteristics that could otherwise hinder progress. ROHM’s HSDIP20 package addresses these technical challenges that were previously becoming difficult to overcome with discrete configurations, contributing to both higher output and the downsizing of electric powertrains.  The HSDIP20 features an insulating substrate with excellent heat dissipation properties that suppresses the chip temperature rise even during high power operation. When comparing a typical OBC PFC circuit utilizing six discrete SiC MOSFETs with top-side heat dissipation to ROHM’s 6-in-1 module under the same conditions, the HSDIP20 package was verified to be approx. 38°C cooler (at 25W operation). This high heat dissipation performance supports high currents even in a compact package, achieving industry-leading power density more than three times higher than top-side cooled discretes and over 1.4 times that of similar DIP type modules. As a result, in the PFC circuit mentioned above, the HSDIP20 can reduce mounting area by approx. 52% compared to top-side cooled discrete configurations, greatly contributing to the miniaturization of power conversion circuits in applications such as OBCs.  Going forward, ROHM will continue to advance the development of SiC modules that balance miniaturization with high efficiency while also focusing on the development of automotive SiC IPMs that provide higher reliability in a smaller form factor.  Product Lineup  *1: Tc=25°C VGS=18V *2: Combines chips with different ON resistances  *3: Q1, Q4 pins *4: Q2, Q3, Q5, Q6 pins  Application Examples  Power conversion circuits like PFC and LLC converters are commonly used in the primary side circuits of industrial equipment, allowing the HSDIP20 to also contribute to the miniaturization of applications in both the industrial and consumer electronics fields.  ◇ Automotive systems  Onboard chargers, electric compressors and more.  ◇ Industrial equipment  EV charging stations, V2X systems, AC servos, server power supplies, PV inverters, power conditioners, etc.  Sales Information  Pricing: $100/unit (samples, excluding tax)  Availability: OEM quantities (April 2025)  Supporting Information  ROHM is committed to providing application-level support, including the use of in-house motor testing equipment. A variety of supporting materials are also offered such as simulations and thermal designs that enable quick evaluation and adoption of HSDIP20 products. Two evaluation kits are available as well, one for double-pulse testing and the other for 3-phase full bridge applications, enabling evaluation under close to actual circuit conditions.  For more information, please contact AMEYA360 or visit the contact page on ROHM’s website.  EcoSiC™ Brand  EcoSiC™ is a brand of devices that utilize silicon carbide, which is attracting attention in the power device field for performance that surpasses silicon. ROHM independently develops technologies essential for the advancement of SiC, from wafer fabrication and production processes to packaging, and quality control methods. At the same time, we have established an integrated production system throughout the manufacturing process, solidifying our position as a leading SiC supplier.  ・EcoSIC™ is a trademark or registered trademark of ROHM Co., Ltd.  Terminology  Power Factor Correction (PFC)  A circuit that enhances the power factor by shaping the waveform of input power in the power supply circuit. By using a PFC circuit, the input power is made closer to a sine wave (power factor = 1), improving power conversion efficiency. While PFC circuits typically rely on diode rectification, OBCs often employ active bridge rectification using MOSFETs or bridgeless PFC. This approach is favored because MOSFETs offer lower switching losses, and especially in high power PFCs, using SiC MOSFETs reduces heat generation and power losses.  LLC Converter  A type of resonant DC-DC converter known for its high efficiency with low noise power conversion. The name LLC comes from its basic configuration, which combines two inductors (L) and a capacitor (C) in the circuit. By forming a resonant circuit, switching losses are significantly reduced, making it ideal for applications requiring high efficiency, such as OBCs, power supplies for industrial equipment, and server power supplies.
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Release time:2025-04-24 17:23 reading:400 Continue reading>>
Exploring Infrared Sensors: Types, Applications, and Principle
  In the realm of modern technology, infrared (IR) sensors stand out as versatile and essential components across a wide array of applications. These sensors leverage the infrared part of the electromagnetic spectrum to detect and measure infrared radiation, which can be indicative of heat, motion, and various other parameters. This article delves into the fundamentals of Infrared Sensors, and their diverse applications.  What is an infrared sensor ?Infrared sensors detect radiation in the infrared spectrum, which ranges from about 750 nanometers (nm) to 1 millimeter (mm). Unlike visible light, infrared radiation is not visible to the human eye but can be felt as heat. IR sensors convert this radiation into an electrical signal that can be processed and interpreted by electronic systems.  How many types of IR sensors are there?1. Active Infrared Sensors: These sensors emit their own infrared light and detect the reflected light. They are commonly used in proximity sensors and certain types of motion detectors. An example is the IR LED and photodiode pair, which measures changes in the reflected light to determine the presence of objects.  2. Passive Infrared Sensors (PIR): Unlike active sensors, PIR sensors do not emit any radiation. Instead, they detect the infrared radiation naturally emitted by objects. PIR sensors are widely used in motion detection applications, such as security systems and automatic lighting.  What is the purpose of the IR sensor?IR sensors serve various purposes across multiple applications. Here are some common uses:  1. Proximity Detection  – Used in devices like automatic doors, smartphones, and vehicles to detect nearby objects without physical contact.  2. Motion Detection  – Common in security systems and alarms (e.g., PIR sensors) to sense movement in a defined area.  3. Temperature Measurement  – Employed in non-contact thermometers to measure the temperature of objects or bodies from a distance.  4. Remote Controls  – Found in TVs, air conditioners, and other electronics to facilitate wireless communication with remote controls.  5. Obstacle Avoidance  – Used in robotics and drones to navigate and avoid collisions by detecting nearby objects.  6. Gas Detection  – Some IR sensors can detect specific gases based on their absorption of infrared light, useful in industrial applications.  7. Night Vision and Thermal Imaging  – Used in military, security, and surveillance applications to detect heat signatures in low-light conditions.  8. Data Transmission  – In certain applications, IR can be used for wireless data transfer over short distances.  What is an infrared sensor used for?Infrared sensors have a broad range of applications, benefiting various industries from consumer electronics to healthcare. Here are some notable examples:  1. Consumer Electronics:  – Remote Controls: IR sensors are integral to remote control devices for televisions, air conditioners, and other home appliances. They receive signals from the remote control unit to perform the desired function.  – Smartphones and Tablets: Some devices use IR sensors for facial recognition, which helps in unlocking screens and enhancing security.  2. Healthcare:  – Thermography: Infrared thermography is used for non-invasive temperature measurement, allowing for early detection of fevers and other medical conditions. It’s particularly valuable in monitoring patients’ health and in diagnosing conditions based on temperature anomalies.  – Vital Sign Monitoring: IR sensors can be used in wearable devices to monitor vital signs such as heart rate and blood oxygen levels.  3. Automotive Industry:  – Collision Avoidance Systems: IR sensors help in detecting obstacles and monitoring the surrounding environment to prevent accidents. They are used in parking assist systems and adaptive cruise control.  – Night Vision: Some high-end vehicles are equipped with IR sensors to enhance visibility during night driving by detecting pedestrians and animals on the road.  4. Industrial Automation:  – Temperature Measurement: In manufacturing processes, IR sensors are employed to monitor the temperature of machinery and products to ensure they remain within safe and optimal limits.  – Quality Control: These sensors are used to inspect products for defects and irregularities by detecting variations in thermal emission.  5. Environmental Monitoring:  – Gas Detection: IR sensors can detect the presence and concentration of specific gases in the atmosphere by measuring their absorption of infrared light. This is crucial for monitoring air quality and ensuring safety in industrial environments.  What is the principle of IR sensor?The principle of an infrared (IR) sensor is based on the detection and measurement of infrared radiation, which is electromagnetic radiation with wavelengths longer than visible light. The core principle involves capturing the infrared radiation emitted or reflected by objects and converting it into an electrical signal that can be analyzed. Here’s a detailed breakdown of how IR sensors work:  1. Emission and Detection of Infrared Radiation  Infrared Radiation Basics:  – Infrared radiation is part of the electromagnetic spectrum with wavelengths ranging from approximately 750 nanometers (nm) to 1 millimeter (mm), just beyond the visible light spectrum.  – All objects emit infrared radiation as a function of their temperature. Hotter objects emit more infrared radiation compared to cooler ones.  Detection Principle:  – Active IR Sensors: These sensors emit their own infrared light (often using an IR LED) and then measure the amount of this light that is reflected back from objects in their environment. The detected signal changes based on the distance, size, and properties of the object, allowing the sensor to infer its presence, distance, or other characteristics.  – Passive IR Sensors (PIR): These sensors do not emit any radiation. Instead, they detect the infrared radiation naturally emitted by objects in their field of view. They typically use a sensor element that responds to changes in infrared radiation, such as a pyroelectric detector or a thermopile.  2. Conversion of Infrared Radiation to Electrical Signal  Pyroelectric Detectors:  – Pyroelectric sensors contain materials that generate an electrical charge when exposed to infrared radiation. This charge is proportional to the amount of infrared radiation detected.  – The sensor detects changes in temperature caused by infrared radiation, converting these changes into an electrical signal.  Thermopiles:  – A thermopile consists of multiple thermocouples connected in series or parallel. It measures the temperature difference between the heated element exposed to infrared radiation and a reference element.  – This temperature difference generates a voltage, which is then measured and converted into an output signal.  Photodetectors:  – Some IR sensors use photodetectors (such as photodiodes or phototransistors) sensitive to infrared light. These detectors convert the incident infrared light into an electrical current proportional to the light intensity.  3. Signal Processing  Once the infrared radiation is converted into an electrical signal, the output is typically processed and analyzed by the sensor’s electronics. This may involve amplification, filtering, and digitization of the signal. The processed signal can then be used to trigger actions or provide readings depending on the application. For example:  – In motion detectors, the sensor might trigger an alarm if it detects significant changes in infrared radiation indicating movement.  – In temperature measurement systems, the signal is used to provide accurate temperature readings or to monitor thermal conditions.  How do I choose an IR sensor?Choosing an infrared (IR) sensor depends on several factors related to your application. Here’s a quick guide to help you make the right choice:  1. Type of IR Sensor  – Active IR Sensors: Emit IR light and measure reflections (e.g., proximity sensors).  – Passive IR Sensors: Detect IR radiation from objects (e.g., PIR sensors for motion detection).  2. Detection Range  – Consider the distance over which you need to detect objects. Check the specifications for range and field of view.  3. Sensitivity  – Look for specifications on sensitivity, which determines how small a change in IR radiation the sensor can detect.  4. Environmental Conditions  – Ensure the sensor can operate in the conditions it will face (temperature, humidity, dust, etc.).  5. Response Time  – Consider how quickly the sensor needs to respond. This is crucial for applications like motion detection.  6. Output Type  – Decide whether you need digital output (on/off) or analog output (variable signal) based on how you’ll process the sensor data.  7. Power Consumption  – Look for power-efficient models if you’re running on batteries or need to minimize energy use.  8. Size and Form Factor  – Ensure the physical size and mounting options fit your project requirements.  9. Cost  – Determine your budget, as prices can vary widely based on features and capabilities.  10. Manufacturer Support  – Choose brands or suppliers that provide good documentation and support.  How far can IR sensors detect?The detection range of IR sensors can vary significantly based on the type of sensor and its design:  1. Active IR Sensors  – Proximity Sensors: Typically have a range of a few centimeters to a few meters (around 0.1 to 5 meters) depending on the sensor’s power and environment.  – IR Range Finders: Can detect distances up to 10-20 meters or more, depending on the model and application.  2. Passive IR Sensors (PIR)  – Commonly used for motion detection in security systems, these sensors usually have a range of about 5 to 12 meters (16 to 40 feet). The actual range can be influenced by factors such as the angle of detection and the presence of obstacles.  3. IR Cameras and Thermal Sensors  – These devices can detect heat signatures at much greater distances, often exceeding 100 meters, depending on the resolution and the environment.  Factors Influencing Range  – Sensitivity: Higher sensitivity allows for detection at greater distances.  – Environmental Conditions: Obstructions, temperature, and humidity can affect performance.  – Field of View: A wider field of view may reduce the effective detection range.  ConclusionInfrared sensors are indispensable components in modern technology, offering critical functionalities across various fields. From enhancing consumer electronics to advancing healthcare and industrial automation, their applications are both diverse and impactful. As technological advancements continue to push the boundaries of what is possible, IR sensors are poised to become even more integral to our everyday lives, driving innovations and efficiencies across multiple sectors. Understanding their technology and applications provides valuable insights into how these sensors are shaping the future of technology and industry.
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Release time:2025-03-21 13:17 reading:415 Continue reading>>
NOVOSENSE Achieves ISO 26262 ASIL D
  NOVOSENSE Microelectronics today announced it has earned the ISO 26262 ASIL D "Defined-Practiced" certification from TÜV Rheinland, a significant milestone validating the company's robust functional safety management system.  This achievement confirms NOVOSENSE's successful implementation of functional safety practices in critical automotive applications, including ABS wheel speed sensors and isolated gate drivers. Moving from the "Managed" (system establishment) to the "Defined-Practiced" (system implementation) level signifies a major leap in NOVOSENSE's functional safety capabilities and underscores the maturity of its research and development (R&D) and quality management systems.  Transitioning from Compliance to Real-World Application  Since securing the ISO 26262 ASIL D "Managed" certification in December 2021, NOVOSENSE has focused on refining its R&D processes and strengthening its functional safety management. TÜV Rheinland's comprehensive audit assessed various aspects, including functional safety lifecycle management, safety culture, and R&D proficiency. The review specifically examined the practical application of these systems in NOVOSENSE's NSM41xx series wheel speed sensors and the NSI6911 isolated gate driver, confirming the company's systems meet the stringent "Defined-Practiced" standard.  Key Product Highlights:  • NSM41xx Series ABS Wheel Speed Sensors: These AMR-based sensors, designed to ISO 26262 ASIL B (D) standards, support ASIL D system-level functional safety. They offer precise wheel speed monitoring for critical systems like ABS, ESP, and EPS, ensuring reliability in demanding conditions. These are currently in mass production.  • NSI6911 Isolated Gate Driver: Designed for new energy vehicle (NEV) main drives, this ASIL D-compliant driver features a 12-bit high-precision ADC, advanced diagnostics, and an SPI programmable interface. It provides robust driving and protection for SiC MOSFETs and IGBTs, ensuring NEV safety. Samples are now available.  Commitment to Automotive Excellence  Automotive applications remain a core focus for NOVOSENSE, driving the company to uphold its "Robust & Reliable" values. Building strong functional safety capabilities is a strategic priority, supported by a comprehensive ISO 26262:2018-compliant development process and a rigorous automotive-grade quality management system.  As of 2024, NOVOSENSE has shipped over 500 million automotive chips, with automotive business representing more than 35% of its total revenue. Its products are trusted by leading NEV OEMs and Tier-1 suppliers.  NOVOSENSE aims to be a preferred chip supplier in the global automotive supply chain. Through its strong R&D, reliable quality assurance, proven mass production, and flexible customization, NOVOSENSE delivers high-quality, high-reliability, and high-performance analog and mixed-signal chips, along with comprehensive system-level solutions.
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Release time:2025-03-20 09:57 reading:760 Continue reading>>
ROHM’s 2nd Generation MUS-IC™ Series Audio DAC Chip for Hi-Res Audio Playback with Exclusive HD Monaural Mode
  ROHM has developed the 32-bit D/A converter IC (DAC chip) and evaluation board designed for flagship models in the MUS-IC™ series optimized for high-resolution audio playback.  Engineered to maximally extract and accurately convert high-resolution sound data to analog, DAC chips are crucial for determining audio equipment quality. ROHM leverages over 50 years of expertise in audio IC development to establish superior sound quality design technology, offering products such as high-fidelity sound processors and high-quality audio power ICs.  ROHM’s latest product builds on the 1st generation MUS-IC™ BD34301EKV audio DAC chip, renowned for its sound quality and widely adopted in high-end models from various companies. The BD34302EKV inherits the core design concept behind ROHM’s DAC chip — natural flat sound — and, by adding the three elements of spatial reverberation, quietness, and dynamic range from the MUS-IC™ series to authentically reproduce the “texture” of musical instruments for an even more realistic audio experience.  By incorporating a new algorithm for Data Weighted Averaging (DWA), the BD34302EKV achieves a THD+N characteristic of -117dB (THD: -127dB), a key performance indicator that enhances sound quality by achieving a sound quality that conveys a realistic sense of texture. At the same time, the signal-to-noise ratio (SNR) of 130dB provides noise performance befitting a flagship DAC chip, while a sampling frequency of up to 1,536kHz allows customers to fully leverage the high-precision calculations of their digital signal processors (DSPs).  In monaural mode, which allocates one DAC chip per channel, ROHM’s proprietary HD (High Definition) monaural mode contributes to smoother, more natural sound. As part of the MUS-IC™ series, uncompromising craftsmanship has been applied down to the smallest details. Based on years of expertise in sound quality design, the optimal bonding wire material for each terminal of the BD34302EKV was selected to accurately convey the natural “texture” of musical instruments. These features help create the ideal sound sought by high-end audio manufacturers.  MUS-IC™ — ROHM’s Highest Grade Audio ICs        Created by combining the “sound quality design technology” with ROHM’s company mission of “Quality First”, “vertically integrated production system”, and “contribution to the musical culture”, MUS-IC™ (official name: ROHM Musical Device “MUS-IC™”) is an audio device brand that represents the ultimate IC solutions developed by ROHM’s team of experienced and dedicated engineers.  For more information, please visit ROHM’s Musical Device “MUS-IC™” web page.  https://micro.rohm.com/en/mus-ic/  *MUS-IC™ is a trademark or registered trademark of ROHM Co., Ltd.  Terminology        High Resolution Audio Source  High-resolution audio sources, often called "hi-res audio," typically use a sampling frequency of 96kHz or higher and a bit depth of 24 bits or more. In comparison, standard CD-quality audio is played back at a 44.1kHz sampling frequency with 16-bit depth. This means hi-res audio provides significantly more data resolution and dynamic range than standard CD-quality audio, resulting in superior sound quality.  DWA (Data Weighted Averaging)  Technology that improves audio characteristics by balancing mismatches between elements when operating multiple switching components for analog conversion.  THD+N (Total Harmonic Distortion + Noise)  A key performance metric for audio equipment that measures the ratio of harmonics to the fundamental wave. Indicates how accurately the waveform is reproduced — the smaller the value the more faithful the reproduction.  HD (High Definition) Monaural Mode  ROHM’s proprietary digital signal processing technology that improves bit (amplitude) resolution. This allows for improvements in numerical performance while enhancing sound quality to deliver smooth audio that reveals the texture of musical instruments.
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Release time:2025-03-18 16:21 reading:411 Continue reading>>
ROHM’s New General-Purpose Chip Resistors Contribute to Greater Miniaturization
  ROHM has expanded its portfolio of general-purpose chip resistors with the MCRx family. It is designed to achieve greater miniaturization and enhanced performance across a variety of applications. The new lineup includes the high-power MCRS series and low-resistance, high-power MCRL series.  In today's era of advancing functionality and electrification, the increased miniaturization and improved performance of electronic components have become critical issues. This is especially evident in the automotive market, where the proliferation of electric vehicles (xEVs) is accelerating the use of electronic components. Similarly, the industrial equipment market is experiencing growing demand for compact, high performance electronic components as machinery becomes more functional and efficient. ROHM addresses both of these needs with the MCRx family of compact, high-performance resistors.  The MCRS series improves rated power and TCR (Temperature Coefficient of Resistance) characteristics by optimizing the internal structure and incorporating new materials, enabling use in a smaller size compared to conventional products. A broad lineup in sizes ranging from 0402-size (0.04inch × 0.02inch) / 1005-size (1.0mm × 0.5mm) to 2512-size (0.25inch × 0.12inch) / 6432-size (6.4mm × 3.2mm) is available, making it possible to select the ideal product based on mounting space requirements. This leads to a compact, efficient circuit design, significantly increasing design flexibility. Meanwhile, the MCRL series, a low-resistance variant of the MCRS series, is offered in sizes ranging from 0805-size (0.08inch × 0.05inch) / 2012-size (2.0mm × 1.2mm) to 2512-size (0.25inch × 0.12inch) / 6432-size (6.4mm × 3.2mm) ideal for current detection applications.  The MCRx family adopts a redesigned internal structure, improving production efficiency, quality, and product reliability across all sizes. Compliant with the AEC-Q200 automotive reliability standard, this series meets the increasing demand for electric vehicles (xEVs) while contributing to market expansion in communications infrastructure such as base stations and servers as well as factory automation equipment. In addition, the products are designated for long-term stable supply, supporting continuous use in long-life applications such as industrial equipment.  The MCRS series will be expanded to include compact 0201-size (0.024inch × 0.012inch) / 0603-size (0.6mm × 0.3mm) products capable of withstanding temperatures up to +155°C. At the same time, the MCRE series will soon offer completely lead-free 01005-size (0.016inch × 0.008inch) / 0402-size (0.4mm × 0.2mm) products. These additions will allow ROHM to respond to the demand for further miniaturization while complying with environmentally-driven voluntary regulations and export restrictions.  Going forward, ROHM is focused on developing and manufacturing products that cater to the diverse needs of customers worldwide. In particular, ROHM will continue to expand its lineup of resistors (its founding products) that improve miniaturization and reliability while ensuring long-term stable supply. By consistently delivering new value through technological innovation, ROHM seeks to solidify its market position and drive the evolution of electronic components.  Application Examples        Suitable for a wide range of applications (excluding medical, military, aerospace, and nuclear control equipment)  Automotive  ・Electric vehicles (xEVs): Battery Management Systems (BMS), powertrain control, Advanced Driver Assistance Systems (ADAS)  ・In-vehicle electronics: Engine Control Units (ECUs), infotainment systems, and more  Industrial Equipment  ・Robotics: Control systems for industrial robots  ・Factory Automation (FA): Automated product line control systems  ・Power conversion equipment: Inverters, converters, and more  Consumer Devices  ・Smart devices: Smartphones, tablets, wearables  ・Home appliances: TVs, refrigerators, washing machines  Communication Equipment  ・Network equipment: Routers, switching hubs, communication equipment for data centers, etc.  Online Sales Information        Sales Launch Date: October 2024  The products will be offered at other online distributors as they become available.  Products for Sale: MCR01S、MCR03S、MCR10S、MCR18S、MCR25S、MCR50S、MCR100S、MCR10L、MCR18L、MCR25L、MCR50L、MCR100L  Additional resistance values will be added as needed.  Resistance Value Search Page        Users can now search by series or resistance value and purchase samples on product pages.  https://www.rohm.com/products/resistors  Terminology        Temperature Coefficient of Resistance (TCR)  An index of how much the resistance value changes with temperature. The lower the TCR, the less the resistance value fluctuates with temperature changes, resulting in more stable performance.  AEC-Q200  AEC stands for Automotive Electronics Council, a reliability standard for automotive electronic components established by major automotive manufacturers and US electronic component makers. Compliance with this standard by automotive components ensures reliable performance even under harsh environmental conditions. Q200 is a standard specifically intended for passive components such as resistors, capacitors, and inductors.  xEV (Electric Vehicles)  A collective term for vehicles primarily powered by electric motors, such as Hybrid Electric Vehicles (HEVs), Plug-in Hybrid Electric Vehicles (PHEVs), and Electric Vehicles (EVs).
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Release time:2025-03-12 10:22 reading:508 Continue reading>>

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