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.

BQ25895从4.0V需要充15小时才能充到4.2V

Other Parts Discussed in Thread: BQ25895, BQSTUDIO

请教:

使用的是BQ25895+CW2015电量计,给ICR18650-3500mAh电池充电,标称3.6V,限制充电电压是4.2V,充到电量显示100%的时候测得电池电压4.0V(此过程正常),充电灯依旧是亮的,之后继续充电,大概15个多小时才充到4.2V,充电灯才灭。

下图是原理图,请问是什么原因导致的?如何改进?

谢谢。