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.

TPS40170不工作

Other Parts Discussed in Thread: TPS40170

板子上共有两片TPS40170,不工作,没有输出和驱动电压。

EN正常,输入24V测量7V左右,VDD 与UVLO 都是3.38V。问下可能的故障位置在哪里? 整个板子机贴,核对过电阻电容,应该不会有焊接问题。