BQ40Z50-R1: 18650B, 1C放电，放一会SOC就跳0，FCC也跳0

qingqing wang

Prodigy 5 points

Part Number: BQ40Z50-R1
Other Parts Discussed in Thread: GPCCHEM

18650B, 1C放电（20A），放一会SOC就跳0，FCC也跳0，放10%左右，0.2C充放电就没事，这个和曲线有关系吗？还是参数配置问题

2 年多前

0 Star Xu 2 年多前

TI__Guru*** 130456 points

您好，您的CHEM ID是否配置，是否学习过。

0 qingqing wang 2 年多前

Prodigy 5 points

有学习过

0 qingqing wang 2 年多前回复 Star Xu

Prodigy 5 points

4S19.8Ah---20A.log 123.gg.xlsx您好，帮忙看一下，重新学了新曲线还是不行。

0 Star Xu 2 年多前回复 qingqing wang

TI__Guru*** 130456 points

您好，将GPCCHEM 的报告发过来看一下。

0 qingqing wang 2 年多前回复 Star Xu

Prodigy 5 points

4478.GPC_report.txt

Chemistry ID selection tool, rev=2.51		
		
Configuration used in present fit:		
ProcessingType=2		
NumCellSeries=4		
ElapsedTimeColumn=0		
TemperatureColumn=1		
VoltageColumn=2		
CurrentColumn=3		
		
Best chemical ID : 2076	Best chemical ID max. deviation, % : 1.03	
		
		
		
Summary of all IDs with max. DOD deviation below 3%		
		
Chem ID	max DOD error, %	Max R deviation, ratio
2076	1.03	0.27
281	1.17	0.34
2040	1.17	1
232	1.24	0.38
285	1.27	0.38
2019	1.33	0.3
246	1.34	0.29
2099	1.34	0.06
2012	1.38	0.62
1737	1.47	0.61
288	1.52	0.54
2042	1.56	0.51
284	1.71	0.65
2072	1.74	0.78
278	1.78	0.59
2017	1.79	0.66
2100	1.94	0.64
2052	1.96	1.27
2128	2.03	0.34
2061	2.05	1.19
2056	2.14	1.12
202	2.15	2.13
210	2.19	0.45
3166	2.23	0.47
2020	2.35	0.85
2038	2.39	0.36
2114	2.44	1.12
5261	2.55	0.41
2157	2.6	0.58
299	2.66	1.16
2155	2.7	0.45
2088	2.71	0.52
2983	2.82	0.56
2064	2.85	0.29
528	2.88	0.3
		
Max. deviations for best ID is within recommended range. Chosen best chemical ID is suitable for programming the gauge.		
		
		
Selection of best generic ID for ROM based devices like bq274xx		
		
		
Device / Family #1		
Generic Chem ID	Device/ Voltage/ Chemistry	max DOD error, %
3142	bq27421-G1D: 4.4V LiCoO2	15.87
354	bq27411-G1C: 4.35V LiCoO2	18.91
128	bq27421-G1A: 4.2V LiCoO2	101.56
312	bq27421-G1B: 4.3V LiCoO2	110.37
Best generic ID 3142		
Warning: Generic ID Deviation is so high that it is most likely due to anomaly in the data. Please check that data files have recomended format, units and test schedule		
		
		
Device / Family #2		
Generic Chem ID	Device/ Voltage/ Chemistry	max DOD error, %
1202	bq27621: (default) 4.2V LiCoO2	18.56
1210	bq27621:  (ALT_CHEM1) 4.3V LiCoO2	18.86
354	bq27621:  (ALT_CHEM2) 4.35V LiCoO2	18.91
Best generic ID 1202		
Warning: Generic ID Deviation is so high that it is most likely due to anomaly in the data. Please check that data files have recomended format, units and test schedule		
		
		
Device / Family #3		
Generic Chem ID	Device/ Voltage/ Chemistry	max DOD error, %
3142	bq27426: (ALT-CHEM2) 4.4V LiCoO2	15.87
3230	bq27426: (default) 4.35V LiCoO2	18.48
1202	bq27426: (ALT_CHEM1) 4.2V LiCoO2	18.56
Best generic ID 3142		
Warning: Generic ID Deviation is so high that it is most likely due to anomaly in the data. Please check that data files have recomended format, units and test schedule

学的是2076