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BQ20Z95 issue

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