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TPS65150PWP上电后,几路输出会掉,感觉芯片像是关断了,求大神指导怎么去分析



基本是按照这个参考电路设计的。只是由于所需电压不同,所以分压电阻不同而已。个引脚电容值都是按和这个参考一样,输入5V的,但是一上电,其他几路电压会直接掉。看上去芯片被保护了,不知道怎么去排查