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器件型号：BQ40Z80 大家好、
电池标有容量为1500 mA、充满电为4.2V。为了使化学 ID、即150mA 放电至3V 切断电压、需要0.1C 的放电流。 实际放电时间约为6h、但理论上应接近10小时。 这样测量的化学 ID 是否会出现误差？ 是否需要 降低放电电流以确保放电时间接近10小时？
下面是化学 ID 的150mA 放电电流报告：
Chemistry ID selection tool, rev=2.54 Configuration used in present fit: ProcessingType=2 NumCellSeries=1 ElapsedTimeColumn=0 VoltageColumn=1 TemperatureColumn=2 CurrentColumn=3 Best chemical ID : 3717 Best chemical ID max. deviation, % : 1.85 Summary of all IDs with max. DOD deviation below 3% Chem ID max DOD error, % Max R deviation, ratio 3717 1.85 0.16 2684 1.98 0.19 2021 2 0.44 5691 2.04 0.5 1211 2.04 0.26 204 2.11 0.43 1320 2.15 0.44 106 2.21 0.11 2582 2.22 0.24 5432 2.22 0.48 2005 2.23 0.13 1139 2.24 0.05 1343 2.26 0.22 260 2.28 0.78 3607 2.28 0.53 5267 2.29 0.09 3720 2.3 0.71 1151 2.3 0.07 2022 2.33 0.31 113 2.4 0.48 1223 2.43 0.25 1270 2.46 0.05 250 2.46 0.07 5220 2.48 0.09 5605 2.49 0.13 2064 2.5 0.95 281 2.51 0.03 181 2.52 0.06 1110 2.53 0.15 2987 2.54 0.23 2459 2.56 0.76 1154 2.58 0.47 2274 2.59 0.18 1309 2.62 0.42 1348 2.62 0.28 257 2.64 0.1 528 2.65 0.02 2108 2.67 0.57 2404 2.67 0.02 234 2.69 0.04 235 2.71 0.04 1976 2.73 0.52 1128 2.74 0.04 2702 2.76 0.05 264 2.81 0.05 2148 2.83 0.01 1241 2.83 0.06 258 2.84 0.02 1204 2.85 0.64 2143 2.88 0.28 285 2.88 0.08 1341 2.89 0.13 5345 2.9 0.09 1243 2.91 0.09 2011 2.93 0.24 1217 2.93 0.09 5379 2.94 0.22 2129 2.94 0.22 2128 2.95 0.02 101 2.97 0.77 2040 2.99 0.04 2153 2.99 0.05 243 2.99 0.13 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, % 128 bq27421-G1A: 4.2V LiCoO2 3.39 354 bq27411-G1C: 4.35V LiCoO2 3.78 312 bq27421-G1B: 4.3V LiCoO2 3.83 3142 bq27421-G1D: 4.4V LiCoO2 3.94 Best generic ID 128 Max. deviations for best generic ID is within recommended range. Please chose this ID in your device configuration or device family. Device / Family #2 Generic Chem ID Device/ Voltage/ Chemistry max DOD error, % 1210 bq27621: (ALT_CHEM1) 4.3V LiCoO2 3.37 1202 bq27621: (default) 4.2V LiCoO2 3.49 354 bq27621: (ALT_CHEM2) 4.35V LiCoO2 3.78 Best generic ID 1210 Max. deviations for best generic ID is within recommended range. Please chose this ID in your device configuration or device family. Device / Family #3 Generic Chem ID Device/ Voltage/ Chemistry max DOD error, % 3230 bq27426: (default) 4.35V LiCoO2 3.48 1202 bq27426: (ALT_CHEM1) 4.2V LiCoO2 3.49 3142 bq27426: (ALT-CHEM2) 4.4V LiCoO2 3.94 Best generic ID 3230 Max. deviations for best generic ID is within recommended range. Please chose this ID in your device configuration or device family. Warning: Discharge rate is too high. High rate reduces ID detection accuracy 10 hr rate is recomeended. Total discharge time is less than 5 hrs t_hrs= 2.78906527777778
您能帮助检查这个问题吗？ 谢谢。
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