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bq76930外部N-MOS的均衡电路

Other Parts Discussed in Thread: BQ76930

您好!

     请问下bq76930采用外部均衡方案,如果是N-MOS ,均衡启动时,如Cell 1均衡启动,VC1是否拉低?那么N-MOS又是如何工作的呢?

谢谢!

  • bq76930内部是按照250ms的周期均衡的,70% 的时间启动均衡MOS, 这个时候VC1 和VC0的电压是1/2 Vcell1, 所以这个时候ADC不测量,剩余30% 时间,停止均衡,ADC开始测量, 下一个250ms重新开始循环。