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BQ40Z60的电池平衡功能怎么开启?

Other Parts Discussed in Thread: BQ40Z60

BQ40Z60的电池平衡已经使能,但是在operation status中的CB位未检测到电池平衡的活动?这是什么情况呢?

  • 检查以下配置

    Settings:Balancing Configuration [CB] = 1

    Balancing Configuration [CBR] = 1.

    Min Start Balance Delta, Relax Balance Interval, and Min RSOC for Balancing

    如果配置都正确需要让电池进入relax状态或者在静置的时候发送IT enable指令,只有在OCVTAKEN之后才会计算ΔQ和balancing time

    最后能够看到cell 1 bal time之类的会有相应的均衡时间计算得出,然后会自动开始均衡。

    看你的截图,bal time都是0, cell1 ~4的DOD0 相差也不大。