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关于BQ34110在Bqstudio充放电电量监测不准的问题。

Hi TI,

我在用BQ34110监测4S1P/5000mAh的LiFePo4电池充放电电量。

充电时:在DataMemory参数配置后,经校准,电压和电流监测误差不大,电量在慢慢的上升,直至100%,

               还是有些误差—-> 每次复位后电量百分比都发生跳变。

放电时:在DataMemory参数配置后,经校准放电电流为-2000mA,发现电量瞬间从满电量100%跳到0%,去掉负载,复位后电量回到43%。

附上DataMemory参数 配置表,请TI您帮忙看下是哪里配置错了???

* Texas Instruments Data Flash File
* File created Tue Jun 23 10:17:32 2020
*
* Device Number 110
* Firmware Version 0.02
* Build Number 9
* Order Number 0
*
* bqz Device Number 110
* bqz Firmware Version 0.02
* bqz Build Number 9
*
* Field Order: Class name  Subclass name  Parameter name  Parameter Value  Display Units
Calibration Data CC Gain 11.084 mOhm
Calibration Data CC Delta 11.199 mOhm
Calibration Data CC Offset -39.18 mA
Calibration Data Board Offset -1.17 uA
Calibration Data Int Temp Offset 0 °C
Calibration Data Ext Temp Offset 0 °C
Calibration Data Pack V Offset 0 mV
Calibration Data Voltage Divider 17071 mV
Calibration Temp Model Int Coeff 1 0 Num
Calibration Temp Model Int Coeff 2 0 Num
Calibration Temp Model Int Coeff 3 -12324 Num
Calibration Temp Model Int Coeff 4 613.1 degK
Calibration Temp Model Int Min AD 0
Calibration Temp Model Int Max Temp 6131 0.1degK
Calibration Temp Model Ext Coeff 1 20982 Num
Calibration Temp Model Ext Coeff 2 -13836 Num
Calibration Temp Model Ext Coeff 3 5202 Num
Calibration Temp Model Ext Coeff 4 233.7 degK
Calibration Temp Model Ext Min AD 12909
Calibration Temp Model Vcomp Coeff 1 0 Num
Calibration Temp Model Vcomp Coeff 2 14902 Num
Calibration Temp Model Vcomp Coeff 3 -623 Num
Calibration Temp Model Vcomp Coeff 4 37 Num
Calibration Temp Model Vcomp Input Multiplier 48 Num
Calibration Temp Model Vcomp Output Divisor 256 Num
Calibration Current Filter 239 Num
Calibration Current Deadband 5 mA
Calibration Current CC Deadband 34 149nV
Charger Control Charge Inhibit Cfg Chg Inhibit Temp Low 0 °C
Charger Control Charge Inhibit Cfg Chg Inhibit Temp High 45 °C
Charger Control Charge Inhibit Cfg Temp Hys 5 °C
Charger Control JEITA Temperature T1 Temp 0 °C
Charger Control JEITA Temperature T2 Temp 10 °C
Charger Control JEITA Temperature T3 Temp 45 °C
Charger Control JEITA Temperature T4 Temp 55 °C
Charger Control JEITA Temperature Charge Current T1-T2 5000 mA
Charger Control JEITA Temperature Charge Current T2-T3 5000 mA
Charger Control JEITA Temperature Charge Current T3-T4 5000 mA
Charger Control JEITA Temperature Charge Voltage T1-T2 3500 mV
Charger Control JEITA Temperature Charge Voltage T2-T3 3600 mV
Charger Control JEITA Temperature Charge Voltage T3-T4 3500 mA
Charger Control Charge Termination Maintenance Current 200 mA
Charger Control Charge Termination Taper Current 100 mA
Charger Control Charge Termination Minimum Taper Capacity 25 0.01mAh
Charger Control Charge Termination Taper Voltage 100 mV
Charger Control Charge Termination Current Taper Window 40 s
Charger Control WHr Charge Termination Max Charge Voltage 3600 mV
Charger Control WHr Charge Termination WHr CV Step 100 mV
Charger Control WHr Charge Termination WHr Termination Capacity 5000 mAh
Charger Control WHr Charge Termination FC WHr Clear 2500 mAh
Charger Control NiMH Charge Termination Delta Temperature 3 °C
Charger Control NiMH Charge Termination Delta Temperature Time 100 s
Charger Control NiMH Charge Termination Holdoff Time 180 s
Charger Control NiMH Charge Termination Holdoff Current 240 mA
Charger Control NiMH Charge Termination Holdoff Temperature 25 °C
Charger Control NiMH Charge Termination Cell Negative Delta Voltage 17 mV
Charger Control NiMH Charge Termination Cell Negative Delta Time 16 s
Charger Control NiMH Charge Termination Cell Negative Delta Qual Voltage 3200 mV
Charger Control Learned Charge Voltage Last Charge Voltage T1-T2 3500 mV
Charger Control Learned Charge Voltage Last Charge Voltage T2-T3 3600 mV
Charger Control Learned Charge Voltage Last Charge Voltage T3-T4 3500 mV
Charger Control Charge Level Control Charge Voltage Level A 3200 mV
Charger Control Charge Level Control Charge Voltage Level B 3250 mV
Charger Control Charge Level Control Charge Voltage Level C 3300 mV
Charger Control Charge Level Control Charge Voltage Level D 3350 mV
Charger Control Charge Level Control Charge Voltage Level E 3400 mV
Charger Control Charge Level Control Charge Voltage Level F 3500 mV
Charger Control Charge Level Control Charge Voltage Level G 3550 mV
Charger Control Charge Level Control Charge Voltage Level H 3600 mV
Settings Configuration Direct Charge Pin Control 0 hex
Settings Configuration Charge Level Pin Control 0 hex
Settings Configuration Pin Control Config 10 hex
Settings Configuration Alert1_0 Config 0 hex
Settings Configuration Alert1_1 Config 0 hex
Settings Configuration Alert1_2 Config 0 hex
Settings Configuration Alert1_3 Config 0 hex
Settings Configuration Alert1_4 Config 0 hex
Settings Configuration Alert1_5 Config 0 hex
Settings Configuration Alert1_6 Config 0 hex
Settings Configuration Alert2_0 Config 0 hex
Settings Configuration Alert2_1 Config 0 hex
Settings Configuration Alert2_2 Config 0 hex
Settings Configuration Alert2_3 Config 0 hex
Settings Configuration Alert2_4 Config 0 hex
Settings Configuration Alert2_5 Config 0 hex
Settings Configuration Alert2_6 Config 0 hex
Settings Configuration SOC Flag Config A 0c8c hex
Settings Configuration SOC Flag Config B 8c hex
Settings Configuration CEDV Gauging Configuration 102a hex
Settings Configuration EOS Configuration 1 hex
Settings BLT Init Discharge Set 150 mAh
Settings BLT Init Charge Set 175 mAh
Settings Accumulated Charge Accum Charge Positive Threshold 1000 mAh
Settings Accumulated Charge Accum Charge Negative Threshold 1000 mAh
Settings Manufacturing Mfg Status Init 28 hex
Safety OTC OT Chg 55 °C
Safety OTC OT Chg Time 2 s
Safety OTC OT Chg Recovery 50 °C
Safety OTD OT Dsg 60 °C
Safety OTD OT Dsg Time 2 s
Safety OTD OT Dsg Recovery 55 °C
Safety UTC UT Chg 0 °C
Safety UTC UT Chg Time 2 s
Safety UTC UT Chg Recovery 5 °C
Safety UTD UT Dsg 0 °C
Safety UTD UT Dsg Time 2 s
Safety UTD UT Dsg Recovery 5 °C
Safety BATLOW Battery Low Set Threshold 2950 mV
Safety BATLOW Battery Low Time 2 s
Safety BATLOW Battery Low Clear Threshold 3000 mV
Safety BATHIGH Battery High Set Threshold 3000 mV
Safety BATHIGH Battery High Time 2 s
Safety BATHIGH Battery High Clear Threshold 3700 mV
Safety SOCLOW SOC Low Threshold 5 %
Safety SOCLOW SOC Low Recovery 10 %
Configuration Registers Operation Config A 8204 hex
Configuration Registers Device Type 110 Hex
Configuration Registers Number of Series Cells 4 Num
Configuration Power Flash Update OK Voltage 100 mV
Configuration Power Sleep Current 10 mA
Configuration Power Bus Low Time 5 s
Configuration Power Offset Cal Inhibit Temp Low 0 °C
Configuration Power Offset Cal Inhibit Temp High 50 °C
Configuration Power Sleep Voltage Time 1 s
Configuration Power Sleep Current Time 1 s
Configuration Current Thresholds Discharge Detection Threshold 200 mA
Configuration Current Thresholds Charge Detection Threshold 200 mA
Configuration Current Thresholds Quit Current 40 mA
Configuration Current Thresholds Discharge Relax Time 3 s
Configuration Current Thresholds Charge Relax Time 3 s
Configuration Current Thresholds Quit Relax Time 1 s
Configuration Data Default Temperature 298.2 K
Configuration Data Device Name bq34110
Configuration Data Data Flash Version ffff
Configuration Data Serial Number 1 hex
Configuration Data Manufacture Date ######## Day + Mo*32 + (Yr -1980)*512
Configuration Integrity Data DF Static Checksum 0 hex
Configuration Integrity Data All DF Checksum 0 hex
Configuration Integrity Data IF Checksum fbd3e090 hex
Configuration Integrity Data Full Reset Counter 139 Num
Configuration Integrity Data Reset Counter WD 0 Num
System Data Manufacturer Data Manufacturer Info Block A01 0 Hex
System Data Manufacturer Data Manufacturer Info Block A02 0 Hex
System Data Manufacturer Data Manufacturer Info Block A03 0 Hex
System Data Manufacturer Data Manufacturer Info Block A04 0 Hex
System Data Manufacturer Data Manufacturer Info Block A05 0 Hex
System Data Manufacturer Data Manufacturer Info Block A06 0 Hex
System Data Manufacturer Data Manufacturer Info Block A07 0 Hex
System Data Manufacturer Data Manufacturer Info Block A08 0 Hex
System Data Manufacturer Data Manufacturer Info Block A09 0 Hex
System Data Manufacturer Data Manufacturer Info Block A10 0 Hex
System Data Manufacturer Data Manufacturer Info Block A11 0 Hex
System Data Manufacturer Data Manufacturer Info Block A12 0 Hex
System Data Manufacturer Data Manufacturer Info Block A13 0 Hex
System Data Manufacturer Data Manufacturer Info Block A14 0 Hex
System Data Manufacturer Data Manufacturer Info Block A15 0 Hex
System Data Manufacturer Data Manufacturer Info Block A16 0 Hex
System Data Manufacturer Data Manufacturer Info Block A17 0 Hex
System Data Manufacturer Data Manufacturer Info Block A18 0 Hex
System Data Manufacturer Data Manufacturer Info Block A19 0 Hex
System Data Manufacturer Data Manufacturer Info Block A20 0 Hex
System Data Manufacturer Data Manufacturer Info Block A21 0 Hex
System Data Manufacturer Data Manufacturer Info Block A22 0 Hex
System Data Manufacturer Data Manufacturer Info Block A23 0 Hex
System Data Manufacturer Data Manufacturer Info Block A24 0 Hex
System Data Manufacturer Data Manufacturer Info Block A25 0 Hex
System Data Manufacturer Data Manufacturer Info Block A26 0 Hex
System Data Manufacturer Data Manufacturer Info Block A27 0 Hex
System Data Manufacturer Data Manufacturer Info Block A28 0 Hex
System Data Manufacturer Data Manufacturer Info Block A29 0 Hex
System Data Manufacturer Data Manufacturer Info Block A30 0 Hex
System Data Manufacturer Data Manufacturer Info Block A31 0 Hex
System Data Manufacturer Data Manufacturer Info Block A32 0 Hex
Lifetimes Lifetime Resolution Temperature Resolution 1 C
Lifetimes Lifetime Resolution Current Resolution 100 mA
Lifetimes Lifetime Resolution Voltage Resolution 1 20mV
Lifetimes Temperature Max Temperature 37 C
Lifetimes Temperature Min Temperature -39.2 C
Lifetimes Current Max Charge Current 2143 mA
Lifetimes Current Max Discharge Current -8422 mA
Lifetimes Voltage Max Pack Voltage 726 20mV
Lifetimes Voltage Min Pack Voltage 175 20mV
Gas Gauging CEDV Profile Design Capacity mAh 5000 mAh
Gas Gauging CEDV Profile EMF 3743
Gas Gauging CEDV Profile C0 149
Gas Gauging CEDV Profile R0 867
Gas Gauging CEDV Profile T0 4030
Gas Gauging CEDV Profile R1 316
Gas Gauging CEDV Profile TC 9
Gas Gauging CEDV Profile C1 0
Gas Gauging CEDV Profile Age Factor 0
Gas Gauging CEDV Profile Fixed EDV 0 3000
Gas Gauging CEDV Profile EDV 0 Hold Time 1 s
Gas Gauging CEDV Profile Fixed EDV 1 3050
Gas Gauging CEDV Profile EDV 1 Hold Time 1 s
Gas Gauging CEDV Profile Fixed EDV 2 3150
Gas Gauging CEDV Profile EDV 2 Hold Time 1 s
Gas Gauging CEDV Profile Voltage 0% DOD 3600 mV
Gas Gauging CEDV Profile Voltage 10% DOD 3500 mV
Gas Gauging CEDV Profile Voltage 20% DOD 3450 mV
Gas Gauging CEDV Profile Voltage 30% DOD 3400 mV
Gas Gauging CEDV Profile Voltage 40% DOD 3380 mV
Gas Gauging CEDV Profile Voltage 50% DOD 3350 mV
Gas Gauging CEDV Profile Voltage 60% DOD 3310 mV
Gas Gauging CEDV Profile Voltage 70% DOD 3270 mV
Gas Gauging CEDV Profile Voltage 80% DOD 3200 mV
Gas Gauging CEDV Profile Voltage 90% DOD 3100 mV
Gas Gauging CEDV Profile Voltage 100% DOD 3000 mV
Gas Gauging Design Design Voltage 3650 mV
Gas Gauging Cycle Cycle Count Percentage 90 %
Gas Gauging FD Set Voltage Threshold 2900 mV
Gas Gauging FD Clear Voltage Threshold 3000 mV
Gas Gauging FD Set % RSOC Threshold 0 %
Gas Gauging FD Clear % RSOC Threshold 5 %
Gas Gauging FC Set Voltage Threshold 3600 mV
Gas Gauging FC Clear Voltage Threshold 3500 mV
Gas Gauging FC Set % RSOC Threshold 100 %
Gas Gauging FC Clear % RSOC Threshold 95 %
Gas Gauging TD Set Voltage Threshold 3000 mV
Gas Gauging TD Clear Voltage Threshold 3100 mV
Gas Gauging TD Set % RSOC Threshold 6 %
Gas Gauging TD Clear % RSOC Threshold 8 %
Gas Gauging TC Set Voltage Threshold 3600 mV
Gas Gauging TC Clear Voltage Threshold 3500 mV
Gas Gauging TC Set % RSOC Threshold 100 %
Gas Gauging TC Clear % RSOC Threshold 95 %
Gas Gauging State Profile Cycle Count 0
Gas Gauging State Profile Learned Full Charge Capacity 5000 mAh
Gas Gauging State Profile Stored Remaining Capacity 0 mAh
Gas Gauging CEDV Cfg Battery Low % 7 %
Gas Gauging CEDV Cfg Learning Low Temp 119 0.1°C
Gas Gauging CEDV Cfg OverLoad Current 10000 mA
Gas Gauging CEDV Cfg Self Discharge Rate 20 0.01%/day
Gas Gauging CEDV Cfg Electronics Load 0 3uA
Gas Gauging CEDV Cfg Near Full 200 mAh
Gas Gauging CEDV Cfg Reserve Capacity 0 mAh
Gas Gauging CEDV Cfg Chg Eff 100 %
Gas Gauging CEDV Cfg Dsg Eff 100 %
Gas Gauging CEDV Cfg RemCap Init Percent 100 %
Gas Gauging CEDV Smoothing Config Smoothing Config 8 hex
Gas Gauging CEDV Smoothing Config Smoothing Start Voltage 3300 mV
Gas Gauging CEDV Smoothing Config Smoothing Delta Voltage 100 mV
Gas Gauging CEDV Smoothing Config Max Smoothing Current 10000 mA
Gas Gauging CEDV Smoothing Config EOC Smooth Current 0.2 %
Gas Gauging CEDV Smoothing Config EOC Smooth Current Time 60 s
End Of Service Resistance Learning Auto Learn Time 1500 Hours
End Of Service Resistance Learning Auto Learn Retry Time 1 Hours
End Of Service Resistance Learning Minimum Learn Time 750 Hours
End Of Service Resistance Learning Alert-Warn Learn Time 750 Hours
End Of Service Resistance Learning Initial Learn Pulse Number 1 Counts
End Of Service Resistance Learning Learn Charge Voltage Delta 100 mV
End Of Service Resistance Learning Learn Charge Time Limit 3600 s
End Of Service Resistance Learning Learn Discharge Current 220 mA
End Of Service Resistance Learning Learn Discharge Current Boundary 25 %
End Of Service Resistance Learning Learn Discharge Time 500 s
End Of Service Resistance Learning Learn Request Timeout 4 s
End Of Service Resistance Learning Learn Min Temperature 10 1°C
End Of Service Resistance Learning Learn Max Temperature 40 1°C
End Of Service Resistance Learning Learn Target Temperature 25 1°C
End Of Service Resistance Learning Rcell High Temp Coefficient 0 2^-16/0.1°C
End Of Service Resistance Learning Rcell Low Temp Coefficient 0 2^-16/0.1°C
End Of Service Direct Resistance Decision DRD Alert Level 45 %
End Of Service Direct Resistance Decision DRD Alert Counts 3 Counts
End Of Service Direct Resistance Decision DRD Warning Level 60 %
End Of Service Direct Resistance Decision DRD Warning Counts 3 Counts
End Of Service Direct Resistance Decision Initial Rcell 0 mOhm
End Of Service Direct Resistance Decision Initial Rcell Learned 0
End Of Service Resistance Slope Decision RSD Alert Level 15 %
End Of Service Resistance Slope Decision RSD Alert Counts 3 Counts
End Of Service Resistance Slope Decision RSD Warning Level 30 %
End Of Service Resistance Slope Decision RSD Warning Counts 3 Counts
End Of Service Resistance Slope Decision RSDL Alert Level 15 %
End Of Service Resistance Slope Decision RSDL Warning Level 30 %
End Of Service Resistance Slope Decision Initial RRate 0
End Of Service Resistance Slope Decision Initial RRate Learned 0
End Of Service Safety Status Warning Status 0 hex

致敬!

期待您的回信,谢谢!

user6377342:

大佬,解决了吗,我在调这个

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