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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/676554/bq24171-what-is-the-purpose-of-d2
参考 TI BQ24171数据表、二极管 D2将电池电压与 AVCC 引脚并联、D1来自直流输入电源。 D2的用途是什么？ 如果 D2发生短路故障、直流电源将直接连接到电池、这是一种糟糕的故障模式。 我正在实施一个具有全电源路径开关、两节锂电池和12V 直流电源的设计(如果重要)。
