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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1052868/bq24170-change-using-12v-to-5v-usb
解析
您好！
发生这种情况时、您的电池电压是多少？ 输入电压必须高于电池电压、因为这是一个降压充电器。
此外、您还需要调整 OVPSET 分压器。 在5V 输入下、OVPSET 为0.45V、低于0.5V、指示欠压。
谢谢、
Mike Emanuel
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