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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/956989/bq24073-not-getting-regulated-4-4v-output-voltage-at-vout-pin-is-5-0v-when-plugging-usb-cable
连接 USB 电缆时、输出电压(在 C2上)变为5.0V。 如果没有 USB 电缆、它会绕过电池电压。 在输出端未调节4.4V 电压
电池也无法充电
对 IC 进行回流焊解决了该问题。 输出电压现在为4.438V、电池也在充电。
