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.

TPS40422: tps40422 空载/轻载发烫问题

Part Number: TPS40422

你好,

我设计12V输入,4V 5A输出,在空载和轻载的时候PMIC芯片75度,MOSFET 55度,电感 50度左右,不知道为什么会发烫?可以帮忙看看吗?以下是电路图。11.pdf