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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1187056/bq51050b-from-which-phase-the-chg-pin-toggle-starts
当我们使用 BQ51050B 电池电量耗尽时、/CHG 引脚在开始充电时切换为低电平、下图中的哪一点？ 它已经在预充电阶段切换至低电平？
你好
是--在预充电阶段，CHG 将为低电平。 引脚将在充电终止时变为高电平。
