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目前使用BQ40Z50R1,PRES置‘1’,原理图PRES NC;

目前我这里客户有块板子,用的BQ40Z50R1的芯片,当电池移除通讯后,直接PACK端电压就下降350mV;

后面看客户原理图和配置,帮看看是否这方面的原因???

DA Configuration  为 PRES 置  1;  原理图确实直接 NC  没有接地;如下图;