您好,
上电后,电流突然增大到15A左右,然后约10s左右,电源过流保护(20A),TPS552882QRPMRQ1芯片output短路,请帮忙看看,原理图设计和layout有没有问题.

总共14层,TOP 层布局

Layer-3

Layer-5

Bottom

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.
HI
电路借助芯片官网的在线仿真即可,layout严格参考datasheet layout推荐和说明。