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bq24133 指示灯指示充满电后的问题



内容:3.7V锂电池  容量 1000mAh ,电路设置充电电流2A ,充电电压USB(5V)

问题: 指示灯指示电充满,测量锂电池电压只有4.15V,为什么达不到4.2V ,如何处理能使他达到4.2V?

发现现象:  充电电流设置变小,锂电池充满电电压为升高;

譬如:设置充电电流为1A,指示灯亮后,测量锂电池电压为3.9V;