Hi, I have a question regarding a TI's GPC tool.
I went through all the steps described in SLVA725 and uploaded a compressed data file (log from bqStudio and a config text file) using form on a TI website to get a GPC report (in order to choose proper chemistry ID for my lead acid battery).
Unfortunately, the mailed reply I got confused me:
There was an error in processing your report. The specific error encountered is:
The following errors were reported by the calculation engine:
Accuracy Error: 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
What's more, an attached report file says the chemistry is LiCoO2 - but the sent data describes lead acid battery!
Chemistry ID selection tool, rev=2.18
Configuration used in present fit:
ProcessingType=2
NumCellSeries=6
ElapsedTimeColumn=0
VoltageColumn=1
CurrentColumn=2
TemperatureColumn=3
Best chemical ID : 800 Best chemical ID max. deviation, % : 29.96
Summary of all IDs with max. DOD deviation below 3%
Chem ID max DOD error, % Max R deviation, ratio
0 0 0
Accuracy Error: 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
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 100
354 bq27411-G1C: 4.35V LiCoO2 172.62
312 bq27421-G1B: 4.3V LiCoO2 200
128 bq27421-G1A: 4.2V LiCoO2 200
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, %
354 bq27621: (ALT_CHEM2) 4.35V LiCoO2 172.62
1210 bq27621: (ALT_CHEM1) 4.3V LiCoO2 200
1202 bq27621: (default) 4.2V LiCoO2 200
Best generic ID 354
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, %
3230 bq27426: (default) 4.35V LiCoO2 100
3142 bq27426: (ALT-CHEM2) 4.4V LiCoO2 100
1202 bq27426: (ALT_CHEM1) 4.2V LiCoO2 200
Best generic ID 3230
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
Warning: difference between initial and final DOD is less than 90% dDOD_%= 74 Try to decrease the discharge rate
I don't see anything wrong in the measurement data and config file I sent to process by your tool. Could you tell me what's the problem here?