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.

TPS65130负电压输出不正常

Other Parts Discussed in Thread: TPS65130

焊接应该没有问题的,万用表测量电容C51两端是导通的,D5两端也是导通的(没上电前这两个元件是不导通的,上电后就导通了,上电后芯片不发烫。),第一次焊接只有正电压+10.5V(正常),没有负电压。第二次焊接正电压4.6V左右(不正常),负电压依然没有。