This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TPS62873: 芯片损坏原因排查

Part Number: TPS62873

TPS52873芯片损坏现象:输入和输出对GND短接

发生背景:用热风枪吹取其他较远处IC,吹完后上电发现电流过流,掉电后排查发现P3V3短路,最终确认下来为TDA4 VDD_CPU供电的一颗TPS62873输入对GND脚短接;将芯片拆下来,测量其输入脚,对地短路;其SW脚也对地短路;

问题:TPS62873发生这种损坏情况,一般是哪些原因导致的?有什么排查方法可以确认芯片损坏原因?