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各位，老师：
附件的电路，通电后两个比较器LM331芯片发烫明显，然后U8的1脚及U9的3脚测量电压只有0.21V不符合理论计算的分压结果，I_bat的电压范围为在0-3.3V。请问是会是什么原因，谢谢。
