eFuse IC TCKE805系列的应用电路

TCKE805系列的电源线保护电路。它通过短路,其他保护功能以及带有外部MOSFET的反向电流电路实现了快速关断。

电路图

特点

  • 高输入电压:VIN(最大值)=18V
  • 高输出电流:IOUT(DC)=5.0A
  • 低导通电阻:RON=28mΩ(典型值)
  • 可调节过电流保护:5.0A(最大值)
  • 固定过电压钳位
  • 由外部电容控制可编程转换速率以减少浪涌电流
  • 通过外部电阻的可编程欠电压锁定
  • 由内置MOSFET驱动IC支持反向电流阻断
  • 热关断
  • 自动放电
  • 小封装:WSON10B(3.0mm×3.0mm,t:0.7mm(典型值))

说明

  • 搭载eFuse IC TCKE805的电源线保护电路
  • 一款IC实现短路时的快速关断及过压保护等多种保护功能
  • 搭载使用带有外部MOSFET的反向电流阻断电路
波形
波形

Design Documents

Materials for designers, such as an overview of circuit operation and explanations of design considerations. Please click on each tab to view the contents.

Design Data

Provides circuit data that can be loaded into EDA tools, PCB layout data, and data used in PCB manufacturing. Available in formats from multiple tool vendors. You can freely edit it with your preferred tool.

*1:Actual PCB was designed on CR5000BD. The other files were made from CR5000BD file.

*2:The data was generated on CR5000BD.

东芝产品

器件型号 器件目录 搭载部位・数量 说明
eFuse IC 4.4 to 18 V/5.0 A eFuse IC, 28 mΩ, WSON10B
Small Low ON resistance MOSFETs N-ch MOSFET, 30 V, 15 A, 0.0089 Ω@10V, SOT-1220(UDFN6B)

Related Documents

We provide materials useful for designing and considering similar circuits, such as application notes for installed products. Please click on each tab to view the contents.

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