Part Number:BQ27Z561Other Parts Discussed in Thread: BQSTUDIO, GPCCHEM
在使用bq27z561做Chem ID时,做了3款锂电池,得出的结论都是LiCoO2,但选购的锂电池是LiMn2O4,同时匹配出的有些ID,在bqStudio中没有此ID号,比如TXT文件中,匹配出ID 128,但在bqStudio中根本不存在,bqStudio目前我更新至网站最新版
GPC_report.txt
Chemistry ID selection tool, rev=2.51 Configuration used in present fit: ProcessingType=2 NumCellSeries=1 ElapsedTimeColumn=0 VoltageColumn=1 CurrentColumn=2 TemperatureColumn=3 Best chemical ID : 108 Best chemical ID max. deviation, % : 5.62 Summary of all IDs with max. DOD deviation below 3% Chem ID max DOD error, % Max R deviation, ratio 0 0 0 Warning: Deviation is above recommended level. New chem ID needs to be released for this cell. Please contact your TI representative to send the cell to Dallas for characterization Selection of best generic ID for ROM based devices like bq274xx Device / Family #1 Generic Chem ID Device/ Voltage/ Chemistry max DOD error, % 128 bq27421-G1A: 4.2V LiCoO2 9.29 312 bq27421-G1B: 4.3V LiCoO2 9.93 354 bq27411-G1C: 4.35V LiCoO2 10 3142 bq27421-G1D: 4.4V LiCoO2 10.08 Best generic ID 128 Warning: Deviation for best generic ID is above recommended level for this device / family. Consider using another device, flash based gauge or RAM programming of custom ID. Device / Family #2 Generic Chem ID Device/ Voltage/ Chemistry max DOD error, % 1202 bq27621: (default) 4.2V LiCoO2 8.98 1210 bq27621: (ALT_CHEM1) 4.3V LiCoO2 9.47 354 bq27621: (ALT_CHEM2) 4.35V LiCoO2 10 Best generic ID 1202 Warning: Deviation for best generic ID is above recommended level for this device / family. Consider using another device, flash based gauge or RAM programming of custom ID. Device / Family #3 Generic Chem ID Device/ Voltage/ Chemistry max DOD error, % 1202 bq27426: (ALT_CHEM1) 4.2V LiCoO2 8.98 3142 bq27426: (ALT-CHEM2) 4.4V LiCoO2 10.08 3230 bq27426: (default) 4.35V LiCoO2 10.76 Best generic ID 1202 Warning: Deviation for best generic ID is above recommended level for this device / family. Consider using another device, flash based gauge or RAM programming of custom ID.
Star Xu:
您好,没有找到对应的CHEM ID,建议您用Chemistry update for Battery Management Studio (bqStudio), 将CHEM ID 列表更新到最新版看一下有没有对应的ID
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Lidong Yu:
谢谢,我会尝试更新,那识别出的电池错误是什么原因导致的?
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Lidong Yu:
目前更新的是最新的888个ID的,为什么匹配出来的是LiCoO2,但选购的锂电池是LiMn2O4
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Star Xu:
您好,GPCCHEM工具是根据OCV与CHEM ID 列表匹配的,容量,电池类型可能不同,所以后面需要学习更新qmax和ra表等参数。