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我用bq21040 和bq25100做充电部分，此2个共用的时候 LED灯的显示方式都是
充电 on ，充满 off 吗？？
是的，Bq21040和Bq25101 CHG# 脚若直接接LED灯阴极，都是亮则表明正在充电，灭代表充电完成或没有充电
感谢
