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BQ25601有没有低电量提示功能,间接的提示也行

Other Parts Discussed in Thread: BQ25601

两个问题:

1. 想问一下BQ25601有没有低电量提示功能,间接的提示也行

2. BQ25601的的三种状态:Not Charging、Pre-charge (< VBATLOWV)、Fast Charging为什么周期性的短期性的不停地在切换?不应该是先预充电,再一直快速充电知道充电停止吗?