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BQ76930外接热敏电阻读取温度问题

Other Parts Discussed in Thread: BQ76930

你好,我现在用两片BQ76930测17串电池,第一片测9串,短接的是VC9-VC8,第二片测8串,短接VC4-VC3和VC9-VC8.在不外接热敏电阻时,读取电压还挺稳定的,一接上热敏电阻后芯片的VC5和VC10引脚读取电压时不时会出现50多个mv的跳动,而且我们的热敏电阻读出来的温度值比实际大10摄氏度左右。请问一下这是什么原因?