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为什么BQ24070当充电电流减小到设定的截止充电电流时充电完成指示灯不亮?



我MODE拉高,Rset设置的为1.1k,设定最大充电电流接近于1A,差不多当充电电流小于100mA就应该显示充电完成,但是当电流减小到30mA时却始终还是充电状态,充电完成指示灯不亮,但是充电电流会一直减小,最后基本减小到10mA,但是充电指示灯就是不亮,希望哪位有经验的专家释疑一下。PS:已经排除灯是坏的情况,芯片也能正常充电。