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BQ24085充电,状态灯显示异常问题,急……

OUT端外部电路不接,充电时,刚插上充电器绿灯(D2)会亮1s左右,然后灭掉,全灭表示电池未插入,然后插上电池,D1亮,表示快充(正常),但拔掉电池后,D2会亮数秒(时间不定,表示充电完成DONE),然后灭掉。请帮忙看看电路有没有问题?1、为什么刚插上充电器D2会亮一会?2、拔掉电池D2为什么也会亮一会?貌似电池在位检测出现了问题,该如何解决。谢谢~