纽扣电池单独用万用表测电压还有3.1V,为什么接上TPS62730的稳压电路后,电池电压就变到2.6V2.5V左右了,跟稳压电路断开后,电压就慢慢在回升。这是怎么回事?
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看上去你说的是开路电压和负载电压的关系。
电池一般有负载的话,电压会下降的。(和电池内阻有关)。
看负载电流的大小。
BR. AZ