力芯微推出4.5V~18V, 0.75A~5A限流电源开关 ET20170

Release time:2025-09-04
author:AMEYA360
source:力芯微
reading:700

  产品概述

  力芯微电子推出ET20170,一款集成电流限制和反向阻断功能的N沟道MOSFET电源开关,专为输入/输出电路保护设计。其输入电压范围为4.5V至18V,支持0.75A至5A的连续输出电流,可提供基本的电源管理功能,如可编程电流限制、软启动控制以及反向电流阻断能力(RCB),并且具有多种保护功能,包括短路保护、过流保护和内部热关断保护,且所有引脚符合HBM±2KV的静电放电保护标准,确保在各种操作条件下都能安全可靠地工作。ET20170适用于多种应用场合,例如SSD硬盘、PC卡、无线数据卡、USB电源分配与保护(如USB 3.1供电)以及家电、服务器、工业设备的输入/输出端口保护等。其采用DFN10 (3.0mm×3.0mm)的小型封装,便于集成到小型化设计中。

  管脚定义

力芯微推出4.5V~18V, 0.75A~5A限流电源开关 ET20170

  应用框图

力芯微推出4.5V~18V, 0.75A~5A限流电源开关 ET20170


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力芯微:可调启动时间的5V10A负载开关ET3164
8通道开漏和推挽应用电平转换 | 力芯微推出内置上拉电阻适用于开漏和推挽的自动双向电平转换
  产品概述  在通信技术跨越式发展的今天,5G的高速连接、AI的实时决策与物联网的泛在组网,正推动电子设备向更高速、更智能、更融合的方向演进。信号传输系统作为数字世界的“神经网络”,不仅需要处理多电压、多协议的复杂兼容挑战,更面临着低延时、高能效与极致集成化的严苛要求。  力芯微推出一款8通道自动双向适用于推挽和开漏应用的电平转换芯片 ETS0108,纳秒级传输延时,自动双向传输无需额外控制,内置10kΩ上拉电阻减少外围器件,可在1.8V到5V之间转换电平,兼容I²C、UART、SPI等多种通信协议,显著降低系统集成复杂度,推挽应用下支持24Mbps信号传输,其在消费电子、工业控制与自动化等领域广泛适用。  产品特点  无需控制自动转换传输方向  输入输出端口内置10kΩ上拉电阻  最大传输速率:  24Mbps (Push Pull)  2Mbps (Open Drain)  VCCA工作电压1.65V到3.6V (VVCCA ≤ VVCCB)  VCCB工作电压2.3V到5.5V  B端口ESD能力 HBM达到8kV  封装尺寸TSSOP20 (4.4mm × 6.5mm)  典型应用图1:典型应用电路  管脚定义图2:管脚定义  功能框图图3:功能框图  其他亮点  one-shot功能:输出单稳态触发器(one-shot)检测A或B输入端口的上升沿,在上升沿期间,单稳态触发器(one-shot)会短暂接通输出上拉MOS管,可加快输出信号从低电平到高电平的转换速度。
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