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BQ25606RGER

Other Parts Discussed in Thread: BQ25606

本次工程化30台样机,出现9台,在充满电后,移除适配器一段时间后,开机起不来,排查发现BQ25606的SYS脚无输出,而BAT脚的电压是4V左右的,需要接入外部电源激活,才能开启,移除后一段时间再开机会存在概率性的起不来的现象。怀疑芯片上电触发了放电保 护机制,请帮忙分析下原因(部分电路图如下)