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bq35100 EOS模式下 ScaledR MeasuredZ 数值问题

Other Parts Discussed in Thread: BQ35100

BQ35100 EOS模式计算Lithium Thionyl Chloride (LiSOCl2) 电池

1、MeasuredZ 是RAW data的话, ScaledR的值 用来和Ra table0-14的值比较,然后得出SOH?

如果是这样的话,那ScaledR的值是不是就应该在Ra table 0-14的大小范围内?

2、New Battery的话,bq35100 ScaledR MeasuredZ是不是需要做learning cycle?ScaledR 的值稳定之后就可以了?

3、按照TI的文档,为什么每经过gauge start->stop work cycle,SOH的值都减MAX delta?

例如下面的数据:Max DELTA=2

Nr. Measured Z, mOhm Scaled R, mOhm SOH, % Comment
1 3661 3661 98
2 4445 4445 96 SOH_MERIT
3 3996 3996 94 SOH_MERIT
4 4066 4066 92
5 3844 3844 90 SOH_MERIT
6 4485 4485 88
7 4643 4643 86
8 4131 4131 84 SOH_MERIT
9 3700 3700 82 SOH_MERIT
10 4060 4060 80
11 3580 3580 78
12 3521 2542 76 SOH_MERIT
13 3726 2690 74 SOH_MERIT
14 3645 2632 72
15 3862 2788 70 SOH_MERIT
16 3756 2712 68 SOH_MERIT
17 5485 3960 66
18 5265 3801 64 SOH_MERIT

4、在使用BQ35100的时候,怎么才能得到正取的ScaledR MeasuredZ的值。

我自测了一组数据如下:

            scaledR  measZ  vol  cur  soh
FG info:  72 72 3563 -9 95
FG info:  72 72 3564 -8 95
FG info:  65044 65044 3565 -8 90
FG info:  32767 32767 3564 -8 85
FG info:  2654 32767 3566 -8 80
FG info:  2654 32767 3564 -9 75

后面全是 ScaledR = 2654, MeasuredZ = 32767 ,gauge start/stop一次,SOH的值就减5(max delta = 5)

这个数据的变化是不是正取的?

谢谢!