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BQ76PL455A: 电池断线测试采集异常

Part Number: BQ76PL455A


你好,BQ76PL455A做断线测试的时候发现一个问题

BQ76PL455A芯片用在16串的电池上,断开前11串发现采集异常,断开后的上位机采集有0V,有4.953V,实测了芯片SENSE引脚确实是这个电压,且测试的时候会慢慢往下降

请问是芯片内部设置导致的吗?还是外部连接元器件导致的(芯片到电压采集处元器件均断开,采集还是异常,0V和4.953V芯片引脚测试出来的电压