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BQ76952: PACK脚 LD脚的电压压差与实际的相差3~4V

caishengjie caishengjie
Prodigy 240 points
Part Number: BQ76952

 实际测量的电池电压50.5V , 芯片PACK 引脚50.2V , 芯片LD 脚50.2V MOS 输出50.0V .

但是测量的PACK脚 LD脚的电压压差余实际的相差3~4V， INFOR.PACK_VOL= 46.64 .    INFOR.LD_VOL=47.80V，Info.voltage=50.2V .

请问下这个是什么原因呢。是否属于正常温漂现象？