Hello,
我在用BQ20Z95 做电池pack遇到下面问题:
目前有100块板子,出现了十几块板子校准系数被修改成了CC Gain=0.706mohm,导致测试的电流不准,很大。
配置参数,请看附件。
2055.新建文本文档.txt
[Header] bq EVSW Version = 0.9.90 DeviceName = bq20z95 v1.50 Time = 2017/6/7 8:58:39 [Voltage(1st Level Safety)] COV Threshold = 4400 COV Time = 2 COV Recovery = 4350 COV Delta = 10 COV Temp. Hys = 5.0 POV Threshold = 17600 POV Time = 3 POV Recovery = 17400 CUV Threshold = 2600 CUV Time = 1 CUV Recovery = 3000 PUV Threshold = 10400 PUV Time = 2 PUV Recovery = 12000 [Current(1st Level Safety)] OC (1st Tier) Chg = 10000 OC (1st Tier) Chg Time = 2 OC Chg Recovery = 100 OC (1st Tier) Dsg = 32000 OC (1st Tier) Dsg Time = 0 OC Dsg Recovery = 100 OC (2nd Tier) Chg = 12000 OC (2nd Tier) Chg Time = 1 OC (2nd Tier) Dsg = 32100 OC (2nd Tier) Dsg Time = 0 Current Recovery Time = 10 AFE OC Dsg = 08 AFE OC Dsg Time = 09 AFE OC Dsg Recovery = 10 AFE SC Chg Cfg = 50 AFE SC Dsg Cfg = 51 AFE SC Recovery = 20 [Temperature(1st Level Safety)] Over Temp Chg = 75.0 OT Chg Time = 3 OT Chg Recovery = 65.0 Over Temp Dsg = 85.0 OT Dsg Time = 3 OT Dsg Recovery = 65.0 [Host Comm(1st Level Safety)] Host Watchdog Timeout = 0 [Voltage(2nd Level Safety)] SOV Threshold = 17900 SOV Time = 0 Cell Imbalance Current = 10 Cell Imbalance Fail Voltage = 1300 Cell Imbalance Time = 0 Battery Rest Time = 0 Min CIM-check voltage = 2000 PFIN Detect Time = 0 [Current(2nd Level Safety)] SOC Chg = 15000 SOC Chg Time = 0 SOC Dsg = 32000 SOC Dsg Time = 0 [Temperature(2nd Level Safety)] SOT Chg = 100.0 SOT Chg Time = 0 SOT Dsg = 100.0 SOT Dsg Time = 0 Open Thermistor = -50.0 Open Time = 0 [FET Verification(2nd Level Safety)] FET Fail Limit = 20 FET Fail Time = 0 [AFE Verification(2nd Level Safety)] AFE Check Time = 0 AFE Fail Limit = 0 AFE Fail Recovery Time = 0 AFE Init Retry Limit = 6 AFE Init Limit = 20 [Fuse Verification(2nd Level Safety)] Fuse Fail Limit = 2 Fuse Fail Time = 0 [Charge Inhibit Cfg(Charge Control)] Chg Inhibit Temp Low = -20.0 Chg Inhibit Temp High = 75.0 Temp Hys = 1.0 [Pre-Charge Cfg(Charge Control)] Pre-chg Current = 300 Pre-chg Temp = -5.0 Pre-chg Voltage = 2600 Recovery Voltage = 3000 [Fast Charge Cfg(Charge Control)] Fast Charge Current = 5100 Charging Voltage = 17300 Delta Temp = 0.0 Suspend Low Temp = -20.0 Suspend High Temp = 75.0 [Pulse Charge Cfg(Charge Control)] Turn ON Voltage = 4450 Turn OFF Voltage = 4550 Max ON Pulse Time = 60.00 Min OFF Pulse Time = 0.00 Max OFF Voltage = 4570 [Termination Cfg.(Charge Control)] Maintenance Current = 0 Taper Current = 230 Taper Voltage = 100 Current Taper Window = 3 TCA Set % = -1 TCA Clear % = 98 FC Set % = -1 FC Clear % = 99 [Cell Balancing Cfg(Charge Control)] Min Cell Deviation = 1750 [Charging Faults(Charge Control)] Over Charging Voltage = 2000 Over Charging Volt Time = 2 Over Charging Current = 2000 Over Charging Curr Time = 2 Over Charging Curr Recov = 100 Depleted Voltage = 1 Depleted Voltage Time = 2 Depleted Recovery = 2 Over Charge Capacity = 2000 Over Charge Recovery = 2 FC-MTO = 65535 PC-MTO = 65535 Charge Fault Cfg = 00 [Data(SBS Configuration)] Rem Cap Alarm = 500 Rem Energy Alarm = 7600 Rem Time Alarm = 3 Init Battery Mode = 0081 Design Voltage = 15200 Spec Info = 0031 Manuf Date = 19-Sep-2017 Ser. Num. = 0001 Cycle Count = 2 CC Threshold = 4500 CC % = 90 CF MaxError Limit = 100 Design Capacity = 5100 Design Energy = 77520 Manuf Name = ZFKJ Device Name = AFFTA1 Device Chemistry = LION [Configuration(SBS Configuration)] TDA Set % = -1 TDA Clear % = -1 FD Set % = -1 FD Clear % = -1 TDA Set Volt Threshold = 5000 TDA Set Volt Time = 5 TDA Clear Volt = 5500 FD Set Volt Threshold = 10800 FD Volt Time = 2 FD Clear Volt = 11500 [Manufacturer Data(System Data)] Pack Lot Code = 0001 PCB Lot Code = 000A Firmware Version = 0001 Hardware Revision = 000A Cell Revision = 0001 [Manufacturer Info(System Data)] Manuf. Info = BAT [Lifetime Data(System Data)] Lifetime Max Temp = 30.0 Lifetime Min Temp = 20.0 Lifetime Max Cell Voltage = 4350 Lifetime Min Cell Voltage = 2935 Lifetime Max Pack Voltage = 17400 Lifetime Min Pack Voltage = 12000 Lifetime Max Chg Current = 4000 Lifetime Max Dsg Current = -3982 Lifetime Max Chg Power = 85450 Lifetime Max Dsg Power = -68020 Life Max AvgDsg Cur = -4010 Life Max AvgDsg Pow = -6125 Lifetime Avg Temp = 25.7 [Lifetime Temp Samples(System Data)] LT Temp Samples = 185 [Registers(Configuration)] Operation Cfg A = 0B01 Operation Cfg B = 6D08 Operation Cfg C = 0005 Permanent Fail Cfg = 0000 Non-Removable Cfg = 0000 [AFE(Configuration)] AFE.State_CTL = 00 [LED Cfg(LED Support)] LED Flash Rate = 2.000 LED Blink Rate = 1.000 LED Delay = 9.8 LED Hold Time = 3 CHG Flash Alarm = 10 CHG Thresh 1 = 0 CHG Thresh 2 = 20 CHG Thresh 3 = 40 CHG Thresh 4 = 60 CHG Thresh 5 = 80 DSG Flash Alarm = 10 DSG Thresh 1 = 0 DSG Thresh 2 = 20 DSG Thresh 3 = 40 DSG Thresh 4 = 60 DSG Thresh 5 = 80 Sink Current = 1 [Power(Power)] Flash Update OK Voltage = 10000 Shutdown Voltage = 8000 Shutdown Time = 10 Cell Shutdown Voltage = 2200 Cell Shutdown Time = 10 Charger Present = 3000 Sleep Current = 10 Bus Low Time = 5 Cal Inhibit Temp Low = 5.0 Cal Inhibit Temp High = 40.0 Sleep Voltage Time = 5 Sleep Current Time = 20 Wake Current Reg = 00 [IT Cfg(Gas Gauging)] Load Select = 4 Load Mode = 0 Term Voltage = 12000 User Rate-mA = 0 User Rate-mW = 0 Reserve Cap-mAh = 0 Reserve Cap-mWh = 0 [Current Thresholds(Gas Gauging)] Dsg Current Threshold = 70 Chg Current Threshold = 70 Quit Current = 30 Dsg Relax Time = 1 Chg Relax Time = 20 [State(Gas Gauging)] Qmax Cell 0 = 5012 Qmax Cell 1 = 5012 Qmax Cell 2 = 5010 Qmax Cell 3 = 5012 Qmax Pack = 5010 Update Status = 06 Avg I Last Run = -3959 Avg P Last Run = -6102 Delta Voltage = 18 [R_a0(Ra Table)] Cell0 R_a flag = 0055 Cell0 R_a 0 = 6 Cell0 R_a 1 = 6 Cell0 R_a 2 = 7 Cell0 R_a 3 = 8 Cell0 R_a 4 = 7 Cell0 R_a 5 = 6 Cell0 R_a 6 = 7 Cell0 R_a 7 = 6 Cell0 R_a 8 = 6 Cell0 R_a 9 = 6 Cell0 R_a 10 = 6 Cell0 R_a 11 = 7 Cell0 R_a 12 = 9 Cell0 R_a 13 = 17 Cell0 R_a 14 = 40 [R_a1(Ra Table)] Cell1 R_a flag = 0055 Cell1 R_a 0 = 6 Cell1 R_a 1 = 6 Cell1 R_a 2 = 7 Cell1 R_a 3 = 8 Cell1 R_a 4 = 7 Cell1 R_a 5 = 6 Cell1 R_a 6 = 7 Cell1 R_a 7 = 6 Cell1 R_a 8 = 6 Cell1 R_a 9 = 6 Cell1 R_a 10 = 6 Cell1 R_a 11 = 7 Cell1 R_a 12 = 9 Cell1 R_a 13 = 17 Cell1 R_a 14 = 40 [R_a2(Ra Table)] Cell2 R_a flag = 0055 Cell2 R_a 0 = 6 Cell2 R_a 1 = 6 Cell2 R_a 2 = 7 Cell2 R_a 3 = 8 Cell2 R_a 4 = 7 Cell2 R_a 5 = 6 Cell2 R_a 6 = 7 Cell2 R_a 7 = 6 Cell2 R_a 8 = 6 Cell2 R_a 9 = 6 Cell2 R_a 10 = 6 Cell2 R_a 11 = 7 Cell2 R_a 12 = 9 Cell2 R_a 13 = 17 Cell2 R_a 14 = 40 [R_a3(Ra Table)] Cell3 R_a flag = 0055 Cell3 R_a 0 = 10 Cell3 R_a 1 = 10 Cell3 R_a 2 = 11 Cell3 R_a 3 = 14 Cell3 R_a 4 = 12 Cell3 R_a 5 = 10 Cell3 R_a 6 = 11 Cell3 R_a 7 = 11 Cell3 R_a 8 = 10 Cell3 R_a 9 = 11 Cell3 R_a 10 = 11 Cell3 R_a 11 = 11 Cell3 R_a 12 = 15 Cell3 R_a 13 = 28 Cell3 R_a 14 = 67 [R_a0x(Ra Table)] xCell0 R_a flag = FFFF xCell0 R_a 0 = 48 xCell0 R_a 1 = 47 xCell0 R_a 2 = 54 xCell0 R_a 3 = 66 xCell0 R_a 4 = 58 xCell0 R_a 5 = 45 xCell0 R_a 6 = 52 xCell0 R_a 7 = 50 xCell0 R_a 8 = 49 xCell0 R_a 9 = 50 xCell0 R_a 10 = 50 xCell0 R_a 11 = 54 xCell0 R_a 12 = 69 xCell0 R_a 13 = 133 xCell0 R_a 14 = 316 [R_a1x(Ra Table)] xCell1 R_a flag = FFFF xCell1 R_a 0 = 48 xCell1 R_a 1 = 47 xCell1 R_a 2 = 54 xCell1 R_a 3 = 66 xCell1 R_a 4 = 58 xCell1 R_a 5 = 45 xCell1 R_a 6 = 52 xCell1 R_a 7 = 50 xCell1 R_a 8 = 49 xCell1 R_a 9 = 50 xCell1 R_a 10 = 50 xCell1 R_a 11 = 54 xCell1 R_a 12 = 69 xCell1 R_a 13 = 133 xCell1 R_a 14 = 316 [R_a2x(Ra Table)] xCell2 R_a flag = FFFF xCell2 R_a 0 = 48 xCell2 R_a 1 = 47 xCell2 R_a 2 = 54 xCell2 R_a 3 = 66 xCell2 R_a 4 = 58 xCell2 R_a 5 = 45 xCell2 R_a 6 = 52 xCell2 R_a 7 = 50 xCell2 R_a 8 = 49 xCell2 R_a 9 = 50 xCell2 R_a 10 = 50 xCell2 R_a 11 = 54 xCell2 R_a 12 = 69 xCell2 R_a 13 = 133 xCell2 R_a 14 = 316 [R_a3x(Ra Table)] xCell3 R_a flag = FFFF xCell3 R_a 0 = 48 xCell3 R_a 1 = 47 xCell3 R_a 2 = 54 xCell3 R_a 3 = 66 xCell3 R_a 4 = 58 xCell3 R_a 5 = 45 xCell3 R_a 6 = 52 xCell3 R_a 7 = 50 xCell3 R_a 8 = 49 xCell3 R_a 9 = 50 xCell3 R_a 10 = 50 xCell3 R_a 11 = 54 xCell3 R_a 12 = 69 xCell3 R_a 13 = 133 xCell3 R_a 14 = 316 [Device Status Data(PF Status)] PF Flags 1 = 0000 Fuse Flag = 00 PF Voltage = 0 PF C4 Voltage = 0 PF C3 Voltage = 0 PF C2 Voltage = 0 PF C1 Voltage = 0 PF Current = 0 PF Temperature = 0.0 PF Batt Stat = 00 PF RC-mAh = 0 PF RC-10mWh = 0 PF Chg Status = 0000 PF Safety Status = 0000 PF Flags 2 = 0000 [AFE Regs(PF Status)] AFE Status = 00 AFE Output = 00 AFE State = 00 AFE Function = 00 AFE Cell Select = 00 AFE OLV = 00 AFE OLT = 00 AFE SCC = 00 AFE SCD = 00 [Data(Calibration)] CC Gain = 2.026 CC Delta = 2.026 Ref Voltage = 1223.00 AFE Pack Gain = 672.91 CC Offset = -0.296 Board Offset = -10 Int Temp Offset = 2.0 Ext1 Temp Offset = -2.9 Ext2 Temp Offset = 0.0 [Config(Calibration)] CC Current = 3000 Voltage Signal = 16800 Temp Signal = 298.0 CC Offset Time = 250 ADC Offset Time = 32 CC Gain Time = 250 Voltage Time = 1984 Temperature Time = 32 Cal Mode Timeout = 300 [Temp Model(Calibration)] Ext Coef 1 = -28285 Ext Coef 2 = 20848 Ext Coef 3 = -7537 Ext Coef 4 = 401.2 Ext Min AD = 0 Ext Max Temp = 401.2 Int Coef 1 = 0 Int Coef 2 = 0 Int Coef 3 = -11136 Int Coef 4 = 575.4 Int Min AD = 0 Int Max Temp = 575.4 [Current(Calibration)] Filter = 239 Deadband = 3 CC Deadband = 10.0