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公司设计的板子 BQ76PL536A 读取电压误差较大,请问可能是什么引起的呢?

Other Parts Discussed in Thread: BQ76PL536A

各位好,

    公司设计的板子 BQ76PL536A 读取电压误差较大,大概有几十 mV ,大概会是什么原因引起的呢?

   会不会和 PCB 设计有关,该注意哪些方面,有没相关资料呢?