BQ76925中ITHRESH设置不同阈值,会影响电流测试精度,比方说ITHRESH=25mv,充电电流1A测出来是1.01A,但是当ITHRESH设置为400mv,充电电流1A测出来是1.25A,这是什么原因导致的? 我测试电流的方法是,先配置I_AMP_CAL=0,测试Sensen,然后配置I_AMP_CAL=1;测试Sensep;测压差计算电流
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BQ76925中ITHRESH设置不同阈值,会影响电流测试精度,比方说ITHRESH=25mv,充电电流1A测出来是1.01A,但是当ITHRESH设置为400mv,充电电流1A测出来是1.25A,这是什么原因导致的? 我测试电流的方法是,先配置I_AMP_CAL=0,测试Sensen,然后配置I_AMP_CAL=1;测试Sensep;测压差计算电流