请问usb限流开关IC的故障指示引脚flag输出有什么作用?谢谢!
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这个引脚就是输出一个过流的信号。当负载过流时,
TPS2041B调节内部MOSFET使输出恒流,虽然TPS2041可以工作在恒流输出并不损坏器件,
但这并不是正常的工作模式,需要将这个过流的状态输出上报。
Over-current and over-temperature fault report; open-drain flag is active low when triggered