TPS65217C电源芯片AC输入5V,sys输出只有2.5V,换了电源芯片,重新焊上去,还是只有2.5V,这是什么原因导致的?
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TPS65217C电源芯片AC输入5V,sys输出只有2.5V,换了电源芯片,重新焊上去,还是只有2.5V,这是什么原因导致的?