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BQ28Z610: BQZ8Z610改板后电量跳变原来不跳的

Part Number: BQ28Z610


你好,原来我们做了一版3A的板子,测试电量常温不跳变,低温不跳变,后因为客户改大电流7A,电池组不变,我们重新设计板子,把原先5mr的采样电阻换成1mr,把原先采样NTC的位置挪动了,现在电池检测到的温升较低,程序还是原先3A的程序(有改过流值),目前电量跳变 常温下正常是放电到6V为0%,现在放电到6.6V 电量就到0%。请问是什么原因