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BQ25792直流供电未接电池

Other Parts Discussed in Thread: BQ25792

采用贵司BQ25792进行测试,出现未接电池无法工作情况

1.未接电池,使用12DC供电,NTC部分正常,开机后SYS输出不稳定8.5v-9.5v跳动

2.未接电池,使用12DC供电,NTC部分异常,开机后SYS输出稳定9.16V

想问下,系统设置正常,没有电池BQ25792是否可以工作?如果可以请指出原理图设计不足、

附图为原理图设计和引脚电压监控(xx/xx代表电压跳动)