BQ34Z100: BQ34Z100采集电池化学ID

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Star Xu：

您好，上传的数据中没有放电电流，请检查数据。

,

?? ?：

您好！我测试3串锂电池串联，一串满充是4.2V，容量是2500mAH，我在BQSTUDIO的Calibration中Current设计了-250mA，但是收集到的数据是0，这是怎么一回事？

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Star Xu：

您好，电流校正建议用1A放电校正，校正以后用1A充电或放电，在register页面看一下电流是否准确，准确说明校正成功。

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?? ?：

好的，谢谢！可以给我解惑吗？用1A这是为什么呢？我也测过单个电芯，然后设置还是那样，收集到的电流数据有正有负的？

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Star Xu：

您好，也可以用250mA校正，250mA电流较小，没有校正之前误差较大可能看不到250mA。

放电是负数，充电是正数。

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?? ?：

那这样收集到数据都是0，官网ID就匹配不通过了，放电电流为0？

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Star Xu：

您好，建议将log数据发过来看一下。

,

?? ?：

roomtemp_rel_dis_rel.csv

就是这个收集到的，以0.25A放电

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Star Xu：

您好，您发的数据电流一栏是0，只能看到电压在变化，建议放电时观察register中current栏是否有电流。

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?? ?：

您好！我就是这样设置，但是检测出来的电流数据要不就是一直是250，要不就是一直为0，我不知道是我哪里设置有问题？

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?? ?：

放电时候就是一直为0，但是我也挂上了负载

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Star Xu：

您好，电流校正和电压校正不能同时进行，电压要在静止时电压稳定的状态下进行，电流校正要在接负载放电的时候进行。

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?? ?：

好的，我试试看

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Star Xu：

您好，我们在另一个帖子中讨论。

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?? ?：

您好，请问是哪一篇？

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Star Xu：

您好, 在下面的帖子中看到校正问题已经解决

 e2echina.ti.com/…/bq34z100-bq34z100