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bq25703a 如何看充电是否充电正常



你好 现在为一节磷酸铁锂电池充电 现在看到的充电状态寄存器21h是A4 提示ICO算法没有完成 我设置的充电电流是1024mA 但是从直流稳压电源来看 5V输入 0.23A电流 电池电压3.1伏左右说明充电电流也就400mA左右 这算充电正常么,而且当我把直流电源电压调零再重新调到5V,芯片不会充电,必须重新写充电电流才能充电,看门狗是关的,请问这正常么