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BQ2057CSN的STAT

大家好,请教大家一个问题,BQ2057CSN芯片的STAT引脚在充电中和充电完成两种状态下对应的电压、电流分别是多大?我看典型电路STAT引脚串联了一个电阻和一个二极管,用来作指示用。