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使用BQ76930出现偶发性唤醒失效问题

Other Parts Discussed in Thread: BQ76930

在做长时间可靠性实验时发现BQ76930偶发出现休眠唤醒后无通信,REGOUT正常输出2.5v,MCU尝试20次重新唤醒AFE,无法获得有效通信。导致系统卡死并复位。需要将AFE的采样线彻底断开后,重新激活AFE,此时才能再次通信上。请问这个问题何解,是否是AFE内部的通信状态机或系统状态机出现某种异常状态导致的无法激活