请问该芯片如果完全使用单片机(host)来控制其均衡的打开和关闭需要怎么配置
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这个app note描述了由主机完全控制时的单元平衡注意事项。请查看See section
| 4 | CB_NO_CMD | 0 | This bit allows blocking of cell balancing commands if host-controlled balancing is not desired. 0 = Host-controlled balancing commands are accepted. 1 = Host-controlled balancing commands are ignored. |
从手册看只是讲了允许主机控制,但是我想要的是,只有主机控制。均衡开启条件和结束条件等其他策略都由主机控制。952不做参与均衡策略。请问能做到吗?
CB_RLX 和 CB_CHG 位启用自主电池平衡。默认情况下它们被禁用。在禁用这些位时启用主机控制将仅允许主机控制平衡。请参见技术参考手册的表 13-35。
也就说通过关闭充电时自主均衡和静置时自主均衡,来实现不让952自主动作的目标,对吗
您好,CB_RLX 和 CB_CHG禁用并设置CB_NO_CMD应该能实现完全由主机控制平衡。建议您实际操作一下。
Host-controlled balancing can be controlled using specific subcommands sent by the host, these subcommands
are also accessible in SEALED mode, to avoid the need for the pack to be unsealed in operation in order to
initiate balancing. If host-controlled balancing will not be used, access to these subcommands can be disabled
by setting the Balancing Configuration[CB_NO_CMD] configuration bit. The subcommands used by the host
to control cell balancing are described below.
我将BalancingConfiguration进行如下配置
,允许主机控制,然后给CB_ACTIVE_CELLS发送命令,
。但是实际上并没有进行均衡,请问是否正确,还需要什么条件能执行均衡命令
通过修改均衡串数bq769x2_subcmd_wr_type2(0, CB_ACTIVE_CELLS, 0x0040);以及最小压差bq769x2_err = bq769x2_set_reg(0, CellBalanceMinDeltaRelax, 1, 1);
现在第6串,有变化,但是电压高了100mV,而且读CB_ACTIVE_CELLS这个寄存器,仍然全是0
这个帖子时间较久了,为您创建了新帖, 建议在下面这个新帖中继续咨询您的问题:
https://e2echina.ti.com/support/power-management/f/power-management-forum/286179/re-bq76952