电池充电IC 的STAT 状态引脚内部是通过什么来判断电池在充电中或已经充满电的?
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您好,The STAT output indicates the charging status: charging (LOW), charging complete or charge disable (HIGH) or charging fault (Blinking). The STAT output can be disabled by setting EN_ICHG_MON bits = 11. in addition, the status register (CHRG_STAT) indicates the different charging phases: 00-charging disable, 01-precharge, 10- fast charge (constant current) and constant voltage mode, 11-charging done. Once a charging cycle is completed, an INT is asserted to notify the host.
内部通过什么来判断您可以看一下数据手册9.2 Functional Block Diagram