Part Number: BQ20Z655
Hi, Sir:
I tested the bq20Z655 for 2s application.
After ox46 to turn on the CHG & DSG mosfet. I can measure the Pack output voltage.
I charged the pack, charging is OK.
After charged, the dsg turn off, so pack output voltage =0 V.
[Header] bq EVSW Version = 0.9.92 DeviceName = bq20z655-R1 v0.03 Time = 2021/6/3 �W�� 11:45:59 [Voltage(1st Level Safety)] LT COV Threshold = 4300 LT COV Recovery = 4100 ST COV Threshold = 4400 ST COV Recovery = 4200 HT COV Threshold = 4300 HT COV Recovery = 4100 COV Time = 2 CUV Threshold = 2500 CUV Time = 2 CUV Recovery = 2800 [Current(1st Level Safety)] OC (1st Tier) Chg = 2000 OC (1st Tier) Chg Time = 2 OC Chg Recovery = 200 OC (1st Tier) Dsg = 6000 OC (1st Tier) Dsg Time = 2 OC Dsg Recovery = 200 OC (2nd Tier) Chg = 1500 OC (2nd Tier) Chg Time = 2 OC (2nd Tier) Dsg = 6500 OC (2nd Tier) Dsg Time = 1 Current Recovery Time = 8 AFE OC Dsg = 06 AFE OC Dsg Time = 09 AFE OC Dsg Recovery = 500 AFE SC Chg Cfg = 21 AFE SC Dsg Cfg = 22 AFE SC Recovery = 200 [Temperature(1st Level Safety)] OT1 Chg Threshold = 55.0 OT1 Chg Time = 2 OT1 Chg Recovery = 50.0 OT2 Chg Threshold = 55.0 OT2 Chg Time = 2 OT2 Chg Recovery = 50.0 OT1 Dsg Threshold = 60.0 OT1 Dsg Time = 2 OT1 Dsg Recovery = 55.0 OT2 Dsg Threshold = 60.0 OT2 Dsg Time = 2 OT2 Dsg Recovery = 55.0 Hi Dsg Start Temp = 60.0 [Host Comm(1st Level Safety)] Host Watchdog Timeout = 0 [Voltage(2nd Level Safety)] LT SOV Threshold = 4400 ST SOV Threshold = 4600 HT SOV Threshold = 4500 SOV Time = 0 PF SOV Fuse Blow Delay = 0 SUV Threshold = 2000 SUV Time = 0 Rest CIM Current = 5 Rest CIM Fail Voltage = 1000 Rest CIM Time = 0 CIM Battery Rest Time = 1800 Rest CIM Check Voltage = 3000 Active CIM Fail Voltage = 1000 Active CIM Time = 0 Active CIM Check Voltage = 3000 PFIN Detect Time = 0 PF Min Fuse Blow Voltage = 8600 [Current(2nd Level Safety)] SOC Chg = 10000 SOC Chg Time = 0 SOC Dsg = 10000 SOC Dsg Time = 0 [Temperature(2nd Level Safety)] SOT1 Chg Threshold = 65.0 SOT1 Chg Time = 0 SOT2 Chg Threshold = 65.0 SOT2 Chg Time = 0 SOT1 Dsg Threshold = 75.0 SOT1 Dsg Time = 0 SOT2 Dsg Threshold = 75.0 SOT2 Dsg Time = 0 Open Thermistor = -33.3 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 = 20 AFE Init Retry Limit = 6 AFE Init Limit = 20 [Fuse Verification(2nd Level Safety)] Fuse Fail Limit = 2 Fuse Fail Time = 0 [Charge Temp Cfg(Charge Control)] JT1 = 0.0 JT2 = 12.0 JT2a = 30.0 JT3 = 45.0 JT4 = 55.0 Temp Hys = 1.0 [Pre-Charge Cfg(Charge Control)] Pre-chg Voltage Threshold = 3000 Pre-chg Recovery Voltage = 3100 Pre-chg Current = 880 [Charge Cfg(Charge Control)] LT Chg Voltage = 8400 LT Chg Current1 = 250 LT Chg Current2 = 250 LT Chg Current3 = 250 ST1 Chg Voltage = 8400 ST1 Chg Current1 = 880 ST1 Chg Current2 = 880 ST1 Chg Current3 = 880 ST2 Chg Voltage = 8400 ST2 Chg Current1 = 1000 ST2 Chg Current2 = 1000 ST2 Chg Current3 = 1000 HT Chg Voltage = 8400 HT Chg Current1 = 1000 HT Chg Current2 = 1000 HT Chg Current3 = 1000 Cell Voltage Threshold1 = 3900 Cell Voltage Threshold2 = 4000 Cell Voltage Thresh Hys = 10 [Termination Cfg.(Charge Control)] Maintenance Current = 0 Taper Current = 250 Taper Voltage = 100 Current Taper Window = 40 TCA Set % = 100 TCA Clear % = 95 FC Set % = 99 FC Clear % = 98 [Cell Balancing Cfg(Charge Control)] Min Cell Deviation = 0 [Charging Faults(Charge Control)] Over Charging Voltage = 500 Over Charging Volt Time = 2 Over Charging Current = 500 Over Charging Curr Time = 2 Over Charging Curr Recov = 100 Depleted Voltage = 5000 Depleted Voltage Time = 2 Depleted Recovery = 5500 Over Charge Capacity = 300 Over Charge Recovery = 2 CMTO = 10800 PCMTO = 3600 Charge Fault Cfg = 00 [External Charge Control(Charge Control)] Chg Inhibit Threshold = 0 Chg Inhibit Hold Time = 0 [Data(SBS Configuration)] Rem Cap Alarm = 300 Rem Energy Alarm = 4320 Rem Time Alarm = 10 Init Battery Mode = 0081 Design Voltage = 7400 Spec Info = 0031 Manuf Date = 01-Jun-2021 Ser. Num. = 0123 Cycle Count = 0 CC Threshold = 3350 CC % = 90 CF MaxError Limit = 100 Design Capacity = 3350 Design Energy = 2480 Manuf Name = Globe Tech. Systems Device Name = HRP2-Li Device Chemistry = LION [Configuration(SBS Configuration)] TDA Set % = 6 TDA Clear % = 8 FD Set % = 2 FD Clear % = 5 TDA Set Volt Threshold = 6000 TDA Set Volt Time = 5 TDA Clear Volt = 6500 FD Set Volt Threshold = 5000 FD Volt Time = 5 FD Clear Volt = 5500 [Manufacturer Data(System Data)] Pack Lot Code = 0000 PCB Lot Code = 0000 Firmware Version = 0000 Hardware Revision = 0000 Cell Revision = 0000 [Manufacturer Info(System Data)] Manuf. Info 0 = 0123456789ABCDEF0123456789ABCDE Manuf. Block 1 = 0123456789ABCDEF0123 Manuf. Block 2 = 0123456789ABCDEF0123 Manuf. Block 3 = 0123456789ABCDEF0123 [Lifetime Data(System Data)] Lifetime Max Temp = 30.0 Lifetime Min Temp = 20.0 Lifetime Max Cell Voltage = 3500 Lifetime Min Cell Voltage = 3200 Lifetime Max Pack Voltage = 14000 Lifetime Min Pack Voltage = 12800 Lifetime Max Chg Current = 1500 Lifetime Max Dsg Current = -3000 Lifetime Max Chg Power = 15000 Lifetime Max Dsg Power = -15000 Life Max AvgDsg Cur = -1000 Life Max AvgDsg Pow = -1500 Life Avg Temp = 25.0 [Lifetime Temp Samples(System Data)] LT Temp Samples = 0 [Registers(Configuration)] Operation Cfg A = 0129 Operation Cfg B = 2440 Operation Cfg C = 1170 Permanent Fail Cfg = 0000 Permanent Fail Cfg 2 = 0000 Non-Removable Cfg = 0000 [AFE(Configuration)] AFE.State_CTL = 00 SMB Sync Command = FF SMB Sync Delay = 50 [LED Cfg(LED Support)] LED Flash Period = 512 LED Blink Period = 1024 LED Delay = 100 LED Hold Time = 4 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 = 3 LCD Freq = 35 [Power(Power)] Flash Update OK Voltage = 6000 Shutdown Voltage = 5000 Shutdown Time = 10 Cell Shutdown Voltage = 2500 Cell Shutdown Time = 10 Charger Present = 3000 Sleep Current = 10 Bus Low Time = 5 Cal Inhibit Temp Low = 5.0 Cal Inhibit Temp High = 45.0 Sleep Voltage Time = 5 Sleep Current Time = 20 Wake Current Reg = 00 Sealed Ship Delay = 5 [IT Cfg(Gas Gauging)] Load Select = 7 Load Mode = 0 Term Voltage = 6000 User Rate-mA = 0 User Rate-mW = 0 Reserve Cap-mAh = 0 Reserve Cap-mWh = 0 Ra Max Delta = 44 Max IR Correct = 400 Transient Factor Charge = 180 Transient Factor Discharge = 180 [Current Thresholds(Gas Gauging)] Dsg Current Threshold = 100 Chg Current Threshold = 50 Quit Current = 10 Dsg Relax Time = 1 Chg Relax Time = 60 [State(Gas Gauging)] Qmax Cell 0 = 3350 Qmax Cell 1 = 3350 Qmax Cell 2 = 0 Qmax Cell 3 = 0 Qmax Pack = 3350 Update Status = 00 Cell 0 Chg dod at EoC = 0 Cell 1 Chg dod at EoC = 0 Cell 2 Chg dod at EoC = 0 Cell 3 Chg dod at EoC = 0 Avg I Last Run = -2000 Avg P Last Run = -3022 Delta Voltage = 0 Max Avg I Last Run = -2000 Max Avg P Last Run = -3022 [R_a0(Ra Table)] Cell0 R_a flag = FF55 Cell0 R_a 0 = 38 Cell0 R_a 1 = 41 Cell0 R_a 2 = 43 Cell0 R_a 3 = 44 Cell0 R_a 4 = 42 Cell0 R_a 5 = 42 Cell0 R_a 6 = 45 Cell0 R_a 7 = 48 Cell0 R_a 8 = 49 Cell0 R_a 9 = 52 Cell0 R_a 10 = 56 Cell0 R_a 11 = 64 Cell0 R_a 12 = 74 Cell0 R_a 13 = 128 Cell0 R_a 14 = 378 [R_a1(Ra Table)] Cell1 R_a flag = FF55 Cell1 R_a 0 = 38 Cell1 R_a 1 = 41 Cell1 R_a 2 = 43 Cell1 R_a 3 = 44 Cell1 R_a 4 = 42 Cell1 R_a 5 = 42 Cell1 R_a 6 = 45 Cell1 R_a 7 = 48 Cell1 R_a 8 = 49 Cell1 R_a 9 = 52 Cell1 R_a 10 = 56 Cell1 R_a 11 = 64 Cell1 R_a 12 = 74 Cell1 R_a 13 = 128 Cell1 R_a 14 = 378 [R_a2(Ra Table)] Cell2 R_a flag = FF55 Cell2 R_a 0 = 38 Cell2 R_a 1 = 41 Cell2 R_a 2 = 43 Cell2 R_a 3 = 44 Cell2 R_a 4 = 42 Cell2 R_a 5 = 42 Cell2 R_a 6 = 45 Cell2 R_a 7 = 48 Cell2 R_a 8 = 49 Cell2 R_a 9 = 52 Cell2 R_a 10 = 56 Cell2 R_a 11 = 64 Cell2 R_a 12 = 74 Cell2 R_a 13 = 128 Cell2 R_a 14 = 378 [R_a3(Ra Table)] Cell3 R_a flag = FF55 Cell3 R_a 0 = 38 Cell3 R_a 1 = 41 Cell3 R_a 2 = 43 Cell3 R_a 3 = 44 Cell3 R_a 4 = 42 Cell3 R_a 5 = 42 Cell3 R_a 6 = 45 Cell3 R_a 7 = 48 Cell3 R_a 8 = 49 Cell3 R_a 9 = 52 Cell3 R_a 10 = 56 Cell3 R_a 11 = 64 Cell3 R_a 12 = 74 Cell3 R_a 13 = 128 Cell3 R_a 14 = 378 [R_a0x(Ra Table)] xCell0 R_a flag = FFFF xCell0 R_a 0 = 38 xCell0 R_a 1 = 41 xCell0 R_a 2 = 43 xCell0 R_a 3 = 44 xCell0 R_a 4 = 42 xCell0 R_a 5 = 42 xCell0 R_a 6 = 45 xCell0 R_a 7 = 48 xCell0 R_a 8 = 49 xCell0 R_a 9 = 52 xCell0 R_a 10 = 56 xCell0 R_a 11 = 64 xCell0 R_a 12 = 74 xCell0 R_a 13 = 128 xCell0 R_a 14 = 378 [R_a1x(Ra Table)] xCell1 R_a flag = FFFF xCell1 R_a 0 = 38 xCell1 R_a 1 = 41 xCell1 R_a 2 = 43 xCell1 R_a 3 = 44 xCell1 R_a 4 = 42 xCell1 R_a 5 = 42 xCell1 R_a 6 = 45 xCell1 R_a 7 = 48 xCell1 R_a 8 = 49 xCell1 R_a 9 = 52 xCell1 R_a 10 = 56 xCell1 R_a 11 = 64 xCell1 R_a 12 = 74 xCell1 R_a 13 = 128 xCell1 R_a 14 = 378 [R_a2x(Ra Table)] xCell2 R_a flag = FFFF xCell2 R_a 0 = 38 xCell2 R_a 1 = 41 xCell2 R_a 2 = 43 xCell2 R_a 3 = 44 xCell2 R_a 4 = 42 xCell2 R_a 5 = 42 xCell2 R_a 6 = 45 xCell2 R_a 7 = 48 xCell2 R_a 8 = 49 xCell2 R_a 9 = 52 xCell2 R_a 10 = 56 xCell2 R_a 11 = 64 xCell2 R_a 12 = 74 xCell2 R_a 13 = 128 xCell2 R_a 14 = 378 [R_a3x(Ra Table)] xCell3 R_a flag = FFFF xCell3 R_a 0 = 38 xCell3 R_a 1 = 41 xCell3 R_a 2 = 43 xCell3 R_a 3 = 44 xCell3 R_a 4 = 42 xCell3 R_a 5 = 42 xCell3 R_a 6 = 45 xCell3 R_a 7 = 48 xCell3 R_a 8 = 49 xCell3 R_a 9 = 52 xCell3 R_a 10 = 56 xCell3 R_a 11 = 64 xCell3 R_a 12 = 74 xCell3 R_a 13 = 128 xCell3 R_a 14 = 378 [Device Status Data(PF Status)] Saved PF Flags 1 = 0000 Saved PF Flags 2 = 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 1 = 0000 PF Safety Status2 = 0000 Saved 1st PF Flags 1 = 0000 Saved 1st 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 = 10 CC Delta = 10 Ref Voltage = 1225.00 AFE Pack Gain = -500.03 CC Offset = -0.273 Board Offset = -43.4 Int Temp Offset = 0.0 Ext1 Temp Offset = 0.0 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
after charging, dsg turn off
How to solve ?
Thanks