用BQ24070做电池/外部电源切换,以及电池充电管理,充电和切换都很顺利,只是这个充电指示灯让我费解。
按照DATASHEET上所讲,快速充电时STAT1 ON, STAT2 OFF充电结束后相反STAT1 OFF, STAT2 ON。
正好我用了一个共阳双色LED,充电过程红色,充电结束绿色,但是目前电池电压已经到了4.2V,充电电流已经降到了0.01A,放了一夜,还是红灯,STAT的状态都没有变化。
输入电压5.25V,电路图如下,请求帮助,这个我错在哪里?谢谢!
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