Tumfei Valve Technology：Fine small electric actuator
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Tumfei Valve Technology：Fine small electric actuator

　　Quick Detail:　　Tumfei Valve Technology 's fine electric actuator is a motor and gearbox or transmission device combined together, through the output shaft to generate conversion torque, to achieve the control, regulation and automatic operation of mechanical equipment.　　Description:　　Main feature　　Compact structure: The fine small electric actuator adopts the top type structure, which reduces the connection bolts of the valve body itself, enhances the reliability of the valve, and has a compact structure and takes up little space.　　Rich in functions: According to demand, fine small electric actuators can be divided into switching type, regulating type and intelligent type three. Switch type valves and other similar products for controlling rotation from zero to 270 degrees; The intelligent type can adjust the opening position of the valve arbitrarily according to customer needs to control the flow size, and has a field control button, which can realize local and remote switching operation.　　Strong corrosion resistance: the shell is usually made of hard aluminum alloy, after anodizing treatment and settlement powder coating, strong corrosion resistance and high protection level.　　High-precision control: Through the cooperation of motors, gearboxes, sensors and control systems, fine electric actuators can achieve high-precision control and automatic operation of mechanical equipment.　　Performance characteristics　　Motor part: The core component of the electric actuator is the motor, usually using an AC motor or a DC motor. The motor completes selective rotation by reversing and adjusting the power supply voltage, thus driving the movement of the output shaft.　　Gearbox part: In order to increase the torque of the output shaft and reduce the speed of the output shaft, the electric actuator usually uses a gearbox or transmission device. The gearbox is generally composed of gears, which can change the speed of the input shaft and the torque of the output shaft, and can improve stability and durability.　　Sensor part: Small electric actuators usually need to communicate with external devices, so sensors need to be installed to monitor the position and status of the output shaft. The sensor can detect the stroke and Angle of the output shaft, and send the position and status information to the control system, so as to realize the accurate control of the output shaft.　　Control system part: In order to achieve the control and adjustment of the electric actuator, it is necessary to use a control system. The control system can calculate according to the feedback information of the sensor, so as to output the control signal and drive the motor to realize the accurate motion control of the output shaft.
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Release time：2025-06-23 15:13 reading：317 Continue reading>>
Tumfei Valve Technology：The principle of common valves and their use
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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.
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Release time：2025-06-17 14:09 reading：449 Continue reading>>
ROHM and TSMC Launch Strategic Gallium Nitride Technology Collaboration for Automotive Industry
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ROHM and TSMC Launch Strategic Gallium Nitride Technology Collaboration for Automotive Industry

　　ROHM Co., Ltd. (ROHM) announced today that ROHM and TSMC have entered a strategic partnership on development and volume production of gallium nitride (GaN) power devices for electric vehicle applications.　　The partnership will integrate ROHM's device development technology with TSMC's industry-leading GaN-on-silicon process technology to meet the growing demand for superior high-voltage and high-frequency properties over silicon for power devices.　　GaN power devices are currently used in consumer and industrial applications such as AC adapters and server power supplies. TSMC, a leader in sustainability and green manufacturing, supports GaN technology for its potential environmental benefits in automotive applications, such as on-board chargers and inverters for electric vehicles (EVs).　　The partnership builds on ROHM and TSMC’s history of collaboration in GaN power devices. In 2023, ROHM adopted TSMC’s 650V GaN high-electron mobility transistors (HEMT), whose process is increasingly being used in consumer and industrial devices as part of ROHM's EcoGaN™ series, including the 45W AC adapter (fast charger) "C4 Duo" produced by Innergie, a brand of Delta Electronics, Inc.　　"GaN devices, capable of high-frequency operation, are highly anticipated for their contribution to miniaturization and energy savings, which can help achieve a decarbonized society. Reliable partners are crucial for implementing these innovations in society, and we are pleased to collaborate with TSMC, which possesses world-leading advanced manufacturing technology" said Katsumi Azuma, Member of the Board and Senior Managing Executive Officer at ROHM. “In addition to this partnership, by providing user-friendly GaN solutions that include control ICs to maximize GaN performance, we aim to promote the adoption of GaN in the automotive industry."　　“As we move forward with the next generations of our GaN process technology, TSMC and ROHM are extending our partnership to the development and production of GaN power devices for automotive applications,” said Chien-Hsin Lee, Senior Director of Specialty Technology Business Development at TSMC. “By combining TSMC's expertise in semiconductor manufacturing with ROHM's proficiency in power device design, we strive to push the boundaries of GaN technology and its implementation for EVs.”　　About TSMC　　TSMC pioneered the pure-play foundry business model when it was founded in 1987, and has been the world’s leading dedicated semiconductor foundry ever since. The Company supports a thriving ecosystem of global customers and partners with the industry’s leading process technologies and portfolio of design enablement solutions to unleash innovation for the global semiconductor industry. With global operations spanning Asia, Europe, and North America, TSMC serves as a committed corporate citizen around the world.　　        TSMC deployed 288 distinct process technologies, and manufactured 11,895 products for 528 customers in 2023 by providing broadest range of advanced, specialty and advanced packaging technology services. The Company is headquartered in Hsinchu, Taiwan.　　EcoGaN™ is a trademark or registered trademark of ROHM Co., Ltd.
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Release time：2025-04-02 15:36 reading：453 Continue reading>>
Renesas and Indian Institute of Technology Hyderabad Sign Agreement to Accelerate India’s Semiconductor Independence
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Renesas and Indian Institute of Technology Hyderabad Sign Agreement to Accelerate India’s Semiconductor Independence

　　TOKYO, Japan and HYDERABAD, India, June 05, 2024 ― Renesas Electronics Corporation (TSE:6723), a premier supplier of advanced semiconductor solutions, and the Indian Institute of Technology Hyderabad (IITH) have signed a three-year memorandum of understanding (MOU) for research and collaboration in the field of VLSI and embedded semiconductor systems. The engagement with IITH professors and staff will focus on R&D and academic interactions with a goal to drive innovation in India’s semiconductor industry and advance the nation’s “Make in India” strategy.　　The signing ceremony of the agreement was held on June 3, 2024 at the IITH in Telangana state between Malini Narayanamoorthi, Country Head of India and Senior Director of Engineering, Analog & Connectivity Product Group, Renesas, and Prof. B.S. Murty, Director, IITH.　　The MOU will help the IITH foster talent development in support of India’s ambition to build a self-reliant semiconductor industry while enabling Renesas to add talented employees in India through closer collaboration with the country’s educational institutions to capture huge market opportunities.　　Under the MOU, Renesas this year will begin supporting university course curriculum development, hands-on learning using Renesas development boards and various outreach programs designed to advance lab work and proof-of-concept projects. IITH engineering students will be eligible to apply for six-month Renesas internships and pursue full-time employment with the company.　　“India holds significant importance within our business operations, and we appreciate its dynamic innovation environment and strong potential for growth,” said Julie Pope, Senior Vice President and Chief Human Resources Officer, Renesas. “We are delighted to partner with IITH in its goal to be the cradle for semiconductor innovation in India. We aim to strengthen India's semiconductor product ecosystem, and support the “Make in India” objective of providing increasing semiconductor content for India and the world.”　　“Recognizing the importance of India at the forefront of the semiconductor industry in influencing the future, our collaboration with Renesas will provide a chance for our students to gain exposure and learn directly from Renesas experts about constructing products with cutting-edge technologies. IITH is pioneering several initiatives to foster talent development in Electronic System Design and Manufacturing (ESDM) sector across India. This synergistic collaboration is a booster to that effort. This is also a pathway for R&D collaboration as IITH boasts several expert faculty spanning across several departments who can co develop next generation electronic products with Renesas,” said Prof. B.S. Murty, Director, IITH. “The opportunity for employment at a leading global company is a tremendous additional benefit.”　　About Renesas Electronics Corporation　　Renesas Electronics Corporation (TSE: 6723) empowers a safer, smarter and more sustainable future where technology helps make our lives easier. A leading global provider of microcontrollers, Renesas combines our expertise in embedded processing, analog, power and connectivity to deliver complete semiconductor solutions. These Winning Combinations accelerate time to market for automotive, industrial, infrastructure and IoT applications, enabling billions of connected, intelligent devices that enhance the way people work and live.　　About IIT Hyderabad　　Indian Institute of Technology Hyderabad (IITH) is one of the eight IITs established by the Government of India in 2008. In a short span of 15 years, the institute has become one of the top-ranked institutions in the country and has received global recognition. It has 300+ full-time faculty, 4,700+ students (60% of them being PG+PhD students), 18 Departments + 1 Centre for Interdisciplinary Programs, nearly 500+ state-of-the-art Research Facilities, and five research and entrepreneurship centres. The institute has a strong research focus with approx. Rs. 1,100+ Cr of sanctioned research funding (Rs. 250+ Cr in 2023-24). IITH has more than 10,500+ research publications with 1,60,000+ Citations, 275+ Published Patents, 3,700+ sponsored/consultancy projects with 500+ running projects, and about 190+ startups that have generated 1,100+ jobs and a revenue of Rs. 1,500+ Cr.
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Release time：2024-06-12 13:37 reading：1400 Continue reading>>
Understanding Force Sensing Resistor (FSR) Technology
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Understanding Force Sensing Resistor (FSR) Technology

　　Force Sensing Resistors (FSRs) represent a critical advancement in sensor technology, offering a versatile and efficient means of measuring force or pressure across a wide range of applications. From consumer electronics to medical devices, automotive systems to robotics, FSRs play a pivotal role in enhancing functionality, safety, and user experience. This article delves into the workings of FSRs, their applications, and the advantages they offer.　　What is a Force Sensing Resistor?　　A Force Sensing Resistor, also known as a pressure sensor or force-sensitive resistor, is an electronic component whose electrical resistance changes in response to applied force or pressure. Essentially, it’s a thin, flexible, polymer-based material that exhibits a decrease in resistance when pressure is applied to its surface. This change in resistance can be measured and calibrated to determine the magnitude of the applied force.　　How do Force Sensing Resistors Work?The fundamental principle behind FSR operation is the conductive polymer material used in its construction. Typically, this material is embedded with conductive particles, and when pressure is applied, the distance between these particles decreases, allowing more current to flow through the sensor. This change in current flow corresponds to a change in resistance, which can be precisely measured.　　What’s the applications of Force Sensing Resistors?Human-Machine Interfaces (HMIs): FSRs are extensively used in touch-sensitive interfaces for consumer electronics like smartphones, tablets, and touch-sensitive buttons in appliances. They enable intuitive interaction by detecting the pressure exerted by a user’s touch.　　Medical Devices: In medical applications, FSRs are employed in devices such as electronic skin, prosthetics, and pressure-sensitive mats for patient monitoring. They help in measuring pressure distribution for applications like orthopedic rehabilitation or monitoring bedridden patients.　　Automotive Systems: FSRs find applications in automotive technologies such as seat occupancy sensors, airbag deployment systems, and touch-sensitive controls in vehicles. They enhance safety by accurately detecting the presence and position of occupants and providing feedback for touch-sensitive controls.　　Robotics: FSRs are used in robotics for force feedback systems, grip force sensing in robotic hands, and collision detection. This allows robots to interact safely and accurately with their environment, objects, and humans.　　Sports Equipment: FSRs are integrated into sports equipment such as smart insoles, golf club grips, and bicycle handlebars to measure pressure distribution, grip force, and impact forces. This data can be used for performance analysis, injury prevention, and technique improvement.　　What’s the advantages of Force Sensing Resistors?Flexibility: FSRs are thin and flexible, making them suitable for applications where space and form factor are constraints.　　Low Power Consumption: They typically require low power to operate, making them suitable for battery-powered devices.　　High Sensitivity: FSRs exhibit high sensitivity to force or pressure changes, enabling precise measurement across a wide range of forces.　　Cost-Effective: Compared to other force sensing technologies like load cells or piezoelectric sensors, FSRs are often more cost-effective, making them a preferred choice for many applications.　　Easy Integration: FSRs can be easily integrated into existing electronic systems due to their simple design and compatibility with standard electronic interfaces.　　What are the components of Force Sensing Resistors FSR?Force Sensing Resistors (FSRs) typically consist of several components that work together to detect and measure force or pressure. These components include:　　Substrate Material: FSRs are usually constructed using a flexible substrate material, often made of polymers like polyethylene or polyvinyl chloride (PVC). This substrate provides the foundation for the sensor and allows it to conform to curved or irregular surfaces.　　Conductive Polymer: The key component of an FSR is the conductive polymer layer. This layer is typically applied to the substrate and contains conductive particles dispersed throughout a polymer matrix. When pressure is applied to the sensor, the distance between these particles decreases, leading to a reduction in electrical resistance.　　Conductive Traces: FSRs often incorporate conductive traces or electrodes on the substrate, which are used to connect the sensor to external circuitry. These traces provide electrical connections for measuring the resistance of the sensor and transmitting data to a microcontroller or other electronic devices.　　Protective Layer: Many FSRs feature a protective layer on top of the conductive polymer to shield it from environmental factors such as moisture, dust, and mechanical damage. This protective layer may be made of materials like silicone rubber or polyimide film.　　Connector: In some cases, FSRs may include a connector or terminal for easy integration into electronic systems. This connector allows for quick and secure electrical connections without the need for soldering.
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Release time：2024-05-29 11:39 reading：1074 Continue reading>>
Murata Enters Licensing Agreement with Michelin to Integrate RFID Technology into Tires
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Murata Enters Licensing Agreement with Michelin to Integrate RFID Technology into Tires

　　Murata Manufacturing Co., Ltd. is pleased to announce a significant licensing agreement with Michelin, Europe’s premier automobile tire manufacturer. This agreement will allow for the integration of cutting-edge RFID (Radio Frequency Identification) tire tags into automotive tires, helping to further advance tire management, sustainability, security, and traceability until the end of life within the transportation and wider automotive industry.　　For 80 years now, Murata has been a leading company in the electronics market. With a major component for innovation and technology, Murata contributes to the improvement of society. With emerging environmental and societal challenges, Murata is investing more and more in the interconnectivity and traceability of products, giving life to the objects around us, particularly through RFID technology.　　In the future, more and more objects will be connected, in order to better trace their origins and recycling. Europe is already implementing the ESPR (Eco-design for Sustainable Products Regulation) improving the circularity of products, each of them will be issued a digital product passport (DPP) allowing their life cycle to be traced.　　This will also affect tires which must contain an RFID, an essential component to obtain a DPP. This RFID, in addition to guaranteeing compatibility with new European standards, will make it possible to improve all logistical aspects affecting the tire and automobile industry and mobility more generally.　　Michelin and Murata have enjoyed a successful working relationship for many years. This partnership has contributed to advancing RFID tag technology in tires. Thanks to this new agreement, Murata will be able to produce generation 4 RFID tire tags. Through this agreement, Murata will also have the possibility of offering the integration of RFID Tag in tires, patented by Michelin. In the future, tire manufacturers around the world will have access to this cutting-edge solution scheduled to enter mass production.　　In addition to offering innovative RFID tire tags, Murata is committed to helping tire manufacturers evaluate and implement these tags into their products. By leveraging its deep understanding of communications technologies, Murata can provide tailored solutions that improve tire traceability and management for various applications, encompassing high-performance motorsport, passenger vehicles, and networks for global transport. Additionally, to facilitate uniform adoption of RFID technology within the tire industry, Murata will continue to provide tire manufacturers with access to solutions based on Murata's RFID software, id-Bridge.　　“RFID technology is a key element, in improving the efficiency and optimization of tire operations. This RFID tag is the unique way to identify tires, from cradle to grave, in a consistent manner, thus responding to the ecological challenges of our time.　　Through this license, Murata and Michelin, hand in hand, are revolutionizing the tire industry, by allowing stakeholders to benefit from this technology, this agreement will open up new perspectives for the future of mobility.” said Laurent Couturier, RFID system designer at Michelin.　　“Michelin is one of the world’s leading tire manufacturers and this partnership will help to produce solutions capable of overcoming significant challenges that exist within the global tire market, allowing for further advancements in operation efficiency and supply chain reliability,” said Tetsuo Kawakatsu, Director of RFID Business Department at Murata.
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Release time：2024-05-23 13:50 reading：954 Continue reading>>
Nidec Drive Technology Adds New Super-high-precision Reducers to Its ABLE Series
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Nidec Drive Technology Adds New Super-high-precision Reducers to Its ABLE Series

　　Nidec Drive Technology (“Nidec Drive Technology” or the “Company”), a member of Nidec Corporation’s group companies, announced today that it has added high-end models that boast industry-leading low backlash, noise, and vibration, to the Company’s lineup of the ABLE series, a group of servo motor-dedicated planetary reducers currently on sale.　　A VRS Series Reducer A VRT Series Reducer　　Nidec Drive Technology’s Latest High-precision ABLE Series Reducers　　“ABLE reducer” is the trade name of the group of servo motor reducers that Nidec Drive Technology sells. The latest models that the Company has newly developed adopt tooth-surface grinding gears*1, successfully achieving industry-leading precision, noise, and vibration levels (backlash: 1min., or 1/3 of existing models*2; noise level: 5dB*3; and vibration level: 30% less than existing models*3).　　High-end laser beam machines, machine tools, woodworking machinery, and other mechanical products require highly accurate positioning, and a reducer’s backlash, vibration, etc. directly affect such products’ precision. Nidec Drive Technology’s latest products, whose tooth surfaces were ground with the newest models of Nidec Machine Tool Corporation’s globally renowned gear grinders, have achieved the aforementioned performance levels while driving down cost.　　Nidec Drive Technology stays committed to providing various business fields with high-efficiency industrial machines that utilize the Company’s continuously variable transmission-based knowhow, to contribute to productivity improvement and automation.　　*1. Tooth-surface grinding: A method to grind gear’s tooth surface with a grinding stone. Other grinding methods include gear cutting, shaving, and skiving, but the tooth-surface grinding method can secure better precision than them.　　*2. Backlash: The gap created when meshing gears are interlocked with each other.　　*3. Representative values of Model No. VRS-140, with a reduction ratio of 1/4
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Release time：2024-04-18 13:45 reading：1355 Continue reading>>
Jiangsu Runic Technology Co., Ltd Honored with China IC Design Achievement Award & Selected in China Fabless100 List
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Jiangsu Runic Technology Co., Ltd Honored with China IC Design Achievement Award & Selected in China Fabless100 List

　　On March 29th, the award ceremony of "2024 China IC Design Achievement Award" organized by ASPENCORE was held in Zhangjiang Science Hall, Shanghai. Jiangsu Runic RS50XX series of low noise, high accuracy and ultra-low temperature-drift precision voltage references were awarded the Best Amplifier/Data Converter/Isolator of the Year in China IC Design Achievement Award.　　Jiangsu Runic Technology Co., Ltd has been listed as one of the "Top 10 Analog Signal Chain Companies" for two consecutive years.　　Jiangsu Runic Technology Co., Ltd as China's high-performance, high-quality analog/mixed-signal IC R&D and sales of high-tech semiconductor design company has been selected for two consecutive years in the China Fabless100 list of Top 10 analog signal chain companies, fully demonstrates Runic in the analog signal chain market area of technical strength and competitive advantage, and has been widely recognized by the industry.　　The China IC Design Fabless 100 list is based on quantitative mathematical models, corporate public information, vendor questionnaires, and first-hand interviews by a team of AspenCore analysts, who carefully select the companies with the strongest overall strength and growth potential in China's IC design industry; the Top 10 companies are selected according to the category (each company is categorized into one category only); and the criteria for selecting the Top 10 companies in each category are as follows The selection criteria for each category of Top 10 companies are as follows:　　Companies headquartered in mainland China and Hong Kong/Macau, but excluding Taiwan enterprises　　Fabless companies only, IDM companies with fabs are excluded from screening　　Self-developed and designed chip products have been mass-produced and have been put into commercial use or entered the supply chain of mainstream OEMs.　　Owns a number of patents for Invention Technology, and has strong chip R&D and application design capabilities
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Release time：2024-04-10 13:24 reading：712 Continue reading>>
ROHM Develops Automotive Primary LDOs: Leveraging Original QuiCur™ Technology to Achieve Industry-Leading* Load Response Characteristics
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ROHM Develops Automotive Primary LDOs: Leveraging Original QuiCur™ Technology to Achieve Industry-Leading* Load Response Characteristics

　　ROHM has developed 45V rated 500mA output primary LDO regulators: BD9xxM5-C (BD933M5EFJ-C / BD950M5EFJ-C / BD900M5EFJ-C / BD933M5WEFJ-C / BD950M5WEFJ-C / BD900M5WEFJ-C). These devices are suitable for supplying power to automotive electronic components such as ECUs that operate from vehicle batteries.　　In recent years, the number of onboard power supply system and functions continues to grow as electrification in the automotive industry progresses. This increases the demand for primary LDOs that can directly step down the battery voltage to MCUs and other components used in ECUs. However, the energy supplied by the vehicle’s lead-acid battery is often subject to sudden voltage fluctuations, which primary LDOs are required to provide with excellent line-transient response in these conditions.　　At the same time, ECUs and other downstream devices often experience load current variations during operation, that also demand excellent load-transient response characteristics. A high frequency response is essential for fast output voltage recovery, but it has been difficult to provide sufficient phase margin at the same time to ensure stable operation. In response, ROHM developed a novel solution that addresses these challenges.　　The BD9xxM5-C incorporates original QuiCur™ high-speed load response technology that delivers excellent response characteristics to load current fluctuations. For example, the LDO can maintain output to within 100mV of set voltage even as the load changes between 0 and 500mA in 1μs (Rise time/Fall time). Furthermore, low 9.5µA (typ.) current consumption contributes to lower power consumption in automotive applications. These new products will be available in four packages, ranging from the compact HTSOP-J8 to the high heat dissipation TO252 (TO252-3/TO252-5) and HRP5 types. This allows users to select the most suitable package for each use case.　　Going forward, ROHM will continue to improve reliability while reducing power consumption in automotive applications by developing products utilizing its strengths in analog and other technologies.　　Product LineupThe new BD9xxM5-C meets the basic requirements for automotive products, including 150°C operation and qualification under the AEC-Q100 automotive reliability standard. A wide range of packages will be available to select from depending on the application environment, all featuring excellent response performance and low current consumption using proprietary QuiCur™ technology.　　The lineup will be expanded to comprise a total of 18 models, (including the TO252-3, TO252-5, and HRP5 packages) by FY2024.　　Application ExamplesSuitable for a wide range of automotive applications such as ECUs that operate on vehicle primary power supply systems.　　• Powertrain: Fuel Injection (FI), Tire Pressure Monitoring System (TPMS)　　• Body systems: Body Control Modules　　• Infotainment: Instrument Clusters, Head-Up Displays (HUDs)　　QuiCur™ High-Speed Load Response TechnologyQuiCur™ is the name of ROHM’s proprietary ‘Quick Current’ high-speed load response circuit capable of maximizing load response characteristics (response performance) without causing instability in the feedback circuits of power supply ICs.　　Stable operation of the power supply IC is also possible with minimal output capacitance. And in the case of switching regulators, which are a type of power supply IC, it is possible to linearly adjust the capacitance and output voltage fluctuation to easily achieve stable operation even when the capacitance is changed due to specification changes, significantly reducing the number of person-hours required for power circuit design - both in terms of decreasing component count and ensuring stable operation.　　Click on the URL below for more information on QuiCur™ Technology.　　https://www.rohm.com/news-detail?news-title=rohm-establishes-quicur-that-maximizes-the-response-performance-of-power-supply-ics&defaultGroupId=false　　• QuiCur™ is a trademark or registered trademark of ROHM Co., Ltd.　　Support ToolsROHM Real Models are high accuracy SPICE models that utilize original model-based technology to faithfully reproduce the electrical and temperature characteristics of the actual IC, resulting in a perfect match between the IC and simulation values. This ensures reliable verification, contributing to more efficient application development - for example by preventing rework after prototyping.　　ROHM Real Models are now available on ROHM’s website (see link below).　　https://www.rohm.com/products/power-management/linear-regulators/single-output-ldo-regulators?page=1&PS_ProductSeries=BD9xxM5%20series&PS_SpiceLink=1.0#parametricSearch　　Online Sales InformationSales Launch Date: February 2024　　Pricing: $1.5/unit (samples, excluding tax)　　Online Distributors: DigiKey, Mouser and Farnell　　The products will be sold at other online distributors as well.　　Applicable Part Nos: BD950M5EFJ-C, BD933M5WEFJ-C, BD950M5WEFJ-C, BD900M5WEFJ-C　　TerminologyPrimary　　In a power supply circuit, the side in charge of 1st stage conversion from a power source such as a battery is called the primary and the side responsible for 2nd stage conversion referred to as the secondary.　　LDO Regulator (Low Drop Out/Low Saturation Regulator)　　A type of power supply IC that converts between two different DC voltage levels. Falls under the category of linear regulator (where the input/output voltages operate linearly) characterized by a small input-output voltage difference. Compared to DC-DC converter ICs (switching regulators), LDOs feature a simpler circuit configuration and lower noise.　　Load Current　　From the point of view of the power supply ICs, all electronic circuits in the subsequent stages, including MCUs and sensors, can be considered “loads”. When these loads operate, a (load) current flows, causing the output voltage of the power supply IC to undershoot (drop) or overshoot. Load transient response characteristics refer to the response time until the changed voltage due to load current is restored and the power supply stabilizes.
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Release time：2024-03-27 11:07 reading：583 Continue reading>>
Vehicle-grade chips from Runic Technology
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Vehicle-grade chips from Runic Technology

　　We have recently released 11 Vehicle-grade chips that have passed AEC-Q100 Grade1&MSL 1 humidity level certification; The part number that have passed the vehicle specification certification this time include:　　High-speed Comparator: LM2901XP-Q1; LM2903XK-Q1　　General Operational Amplifier: RS8411XF-Q1; RS8414XQ-Q1　　Analog Switch: RS2260XTSS16-Q1　　Level Converter: RS0104XQ-Q1; RS0108XQ20-Q1　　Logic Chip: RS1G125XC5-Q1;　　Low Noise Operational Amplifier: RS622XTDE8-Q1　　Parallel Voltage Reference Source: RS431AXSF3-Q1; RS432AXSF3-Q1　　Vehicle-grade chips must have extremely low failure rates, high reliability, and normal operation at high and low temperatures, which requires high requirements for product design, development process, process design, process capability, and mass production control. All 11 Vehicle-grade chips released this time have passed the enhanced version of AEC-Q100 Grade 1 certification and humidity sensitivity level MSL 1 certification in authoritative third-party laboratories, with a theoretical design life of more than 25 years.　　Currently, there are 38 Vehicle-grade chips from Runic Technology , and about 20 Vehicle-grade chips are still under certification; Runic's Vehicle-grade chips are widely applicable in various fields of automotive electronics, such as power domain, body domain, intelligent cockpit, etc. At the same time, they can be widely P2P compatible with equivalent signal chains, logic, analog switches, and other automotive grade chips from companies such as TI/ADI/Experia/Onsemi.
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Release time：2024-01-17 15:10 reading：2821 Continue reading>>

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