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BQ76920: 平衡电路未正常工作,请帮助做设计核查



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图1是第一版做出来的,按照原理图实际焊接上去,当电芯均衡时,会出现测量1V左右的偏差,然后按照如图上上所述注释的文字处理。图2是按照TI的外部均衡电路参考设计手册( SLUA810 )画出来的希望帮忙check一下,除了原理图设计,均衡电路这块的PCB布局和布线有什么需要注意的呢,请告知一下,谢谢!