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BQ25505: 利用充电管理IC控制二次电池充电电压最大为3.1V,实际充电超过3.1V,如何解决?

Part Number: BQ25505

根据BQ25505的规格书利用电阻ROV1和ROV2控制电池的最大充电电压为3.1V,将ROV1设置为7.62MΩ,ROV2设置为5.38MΩ。当电阻焊接到电路板上后用万用表测量的阻值比实际值小,若将电阻与芯片断开连接则阻值恢复正常(此过程电路板未上电),实际充电时电压大于3.1V后仍然继续充电,有什么解决方法?