
LDO3输出3.3v,LDO5输出5V,但是BUCK1输出只有0.45v,只焊接BUCK1相关电路,其他都没有焊接,boot1输出5v,sw1是0。02v,DRVH1是3.4,DRVH2是0.95v,这是这么哪里出问题
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.