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TPS23861烧芯片

Other Parts Discussed in Thread: TPS23861

用TPS23861搭了一个PSE供电电路,用着用着芯片和mosfet烧了,具体现象:

1)供电异常,I2C无法访问;

2)更换TPS23861芯片,detect结果显示mosfet fault;

3)更换mosfet,可以正常供电。

具体什么情况下烧坏的,没有看到现场。

有人有碰到过这种问题吗?