用的是电源适配器供电 电流才20多mA 希望个点意见
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充电电流设置是否不对?适配器到板端的连接线是否有问题(看下,板端的5V是否只有4.5V左右)
你看下CHG脚的状态是否处于充电状态,如果是充电状态,建议测量输入电流而不是输出电流来测量充电电流,因为电流表的mA档内阻比较大。