STMicroelectronics STBP电压保护集成电路

STMicroelectronics STBP电压保护集成电路可以为高达+28V的输入电压提供过压保护。它们的低RDS(on)N沟道MOSFET开关可保护连接到OUT引脚的系统,以防DC电源故障,满足中国信息产业部通信标准YD/T 1591-2006。在输入过压情况下,器件通过关闭内部低RDS(on)N沟道MOSFET开关立即可断开DC电源,从而防止损坏受保护部件。另外,这些器件也监控自身结温,如果结温超出给定限值,则关断内部MOSFET。每一器件均可由微控制器控制,并能提供关于故障情况的状态信息。

特性

  • Input overvoltage protection up to 28V
  • Integrated high voltage N-channel MOSFET switch
  • Low RDS(on)
  • Integrated charge pump
  • Maximum continuous current of up to 2A
  • Thermal shutdown protection
  • Soft-start feature to control the inrush current
  • Enable input (EN)
  • Fault indication output (FLT)
  • IN input ESD withstand voltage up to ±15kV (air discharge), up to ±8kV (contact discharge) in a typical application circuit with 1μF input capacitor (±2kV HBM for standalone device)
  • Certain overvoltage options compliant with the China Communications Standard YD/T 1591-2006 (overvoltage protection only)
  • Small, RoHS compliant TDFN 8-lead package or TFDN 10-lead package

STBP112 Block Diagram

框图 - STMicroelectronics STBP电压保护集成电路

STBP120 Block Diagram

框图 - STMicroelectronics STBP电压保护集成电路
发布日期: 2014-01-21 | 更新日期: 2022-03-11