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bq24170 充电电流问题

user3394914
Prodigy 91 points


  按照数据手册设置好 

Ichrage=Viset/(20*Rsr)=1.5/(20*0.02)=3.75A;

Idpm=Vacset/(20*Rac)=1.6/(20*0.02)=4A;

但实际上对4000mhA 3.3V（当时电池电压）的锂电池充电时，只能测得1.7A左右的充电电流 。

问：是否设置有错误？还有其他因素影响？