SLUUCP8B
June 2024 – October 2026
BQ41Z50
1
Read This First
About This Manual
Notational Conventions
Trademarks
1
Introduction
2
Protections
2.1
Introduction
2.2
Cell Undervoltage Protection
2.3
Cell Undervoltage Compensated Protection
2.4
Cell Overvoltage Protection
2.5
Overcurrent in Charge Protection
2.6
Overcurrent in Discharge Protection
2.7
Hardware-Based Protection
2.7.1
Overload in Discharge Protection
2.7.2
Short Circuit in Charge Protection
2.7.3
Short Circuit in Discharge Protection
2.8
Temperature Protections
2.9
Overtemperature in Charge Protection
2.10
Overtemperature in Discharge Protection
2.11
Delta Cell Overtemperature Protection
2.12
Overtemperature FET Protection
2.13
Undertemperature in Charge Protection
2.14
Undertemperature in Discharge Protection
2.15
SBS Host Watchdog Protection
2.16
Precharge Timeout Protection
2.17
Fast Charge Timeout Protection
2.18
Overcharge Protection
2.19
OverCharging Voltage Protection
2.20
OverCharging Current Protection
2.21
OverPrecharging Current Protection
3
Permanent Fail
3.1
Introduction
3.1.1
Black Box Recorder
3.1.2
GPIO Control During Permanent Failure
3.2
Safety Cell Undervoltage Permanent Fail
3.2.1
SUV Check Option
3.3
Safety Cell Overvoltage Permanent Fail
3.4
Safety Overcurrent in Charge Permanent Fail
3.5
Safety Overcurrent in Discharge Permanent Fail
3.6
Safety Overtemperature Cell Permanent Fail
3.7
Safety Overtemperature FET Permanent Fail
3.8
QMax Imbalance Permanent Fail
3.9
Cell Balancing Permanent Fail
3.10
Impedance Permanent Fail
3.11
Capacity Degradation Permanent Fail
3.12
Voltage Imbalance At Rest Permanent Fail
3.13
Voltage Imbalance Active Permanent Fail
3.14
Charge FET Permanent Fail
3.15
Discharge FET Permanent Fail
3.16
Chemical Fuse Permanent Fail
3.17
AFE Register Permanent Fail
3.18
AFE Communication Permanent Fail
3.19
NTC Permanent Fail
3.20
Second Level Protection Permanent Fail
3.21
Data Flash (DF) Permanent Fail
3.22
Open Thermistor Permanent Fail (TS1, TS2, TS3, TS4)
3.23
Cell Overvoltage Latch Permanent Failure
3.24
Manual Permanent Failure
4
Advanced Charge Algorithm
4.1
Introduction
4.2
Charge Temperature Ranges
4.3
Voltage Range
4.3.1
RelativeStateofCharge() Range
4.3.2
Voltage or RelativeStateofCharge() Range
4.4
Charging Current
4.5
Charging Voltage
4.6
Valid Charge Termination
4.7
Charge and Discharge Termination Flags
4.8
Terminate Charge and Discharge Alarms
4.9
Precharge
4.10
Maintenance Charge
4.11
Charge Control SMBus Broadcasts
4.12
Charge Disabled
4.13
Charge Inhibit
4.14
Charge Suspend
4.15
ChargingVoltage() Rate of Change
4.16
ChargingCurrent() Rate of Change
4.17
Charging Loss Compensation
4.18
Cycle Count/SOH Based Degradation of Charging Voltage and Current
4.18.1
Degradation Modes
4.18.1.1
Cycle Count Based Degradation
4.18.1.2
SOH Based Degradation
4.18.1.3
Runtime Based Degradation
4.18.2
Degradation Process
4.18.2.1
Charging Voltage Degradation Process
4.18.2.2
Charging Current Degradation Process
4.19
Elevated Charge Degradation
4.20
Elevated Voltage Extended Charge Degradation
4.21
Charge Voltage Compensation for System Impedance
4.22
Cell Swelling Control (via Charging Voltage Degradation)
5
Power Modes
5.1
Introduction
5.2
NORMAL Mode
5.2.1
BATTERY PACK REMOVED Mode/System Present Detection
5.2.1.1
System Present
5.2.1.2
Battery Pack Removed
5.3
SLEEP Mode
5.3.1
Device Sleep
5.3.2
IN SYSTEM SLEEP Mode
5.3.3
ManufacturerAccess() MAC Sleep
5.3.4
Current Wake Function
5.4
SHUTDOWN Mode
5.4.1
VOLTAGE BASED SHUTDOWN
5.4.2
ManufacturerAccess() MAC Shutdown
5.4.3
Time-Based Shutdown
5.4.4
Low RSOC Time-Based Shutdown
5.4.5
Power Save Shutdown
5.4.6
IO Based Shutdown
5.5
Option to Manage Unintended Wakeup from Shutdown
5.6
Emergency FET Shutdown (EMSHUT)
5.6.1
Enter Emergency FET Shutdown Through SHUTDN
5.6.2
Enter Emergency FET Shutdown Through MFC
5.6.3
Exit Emergency FET Shutdown
5.7
STORAGE Mode
5.8
System Disconnect
6
Gauging
6.1
Introduction
6.2
Impedance Track Configuration
6.3
Gas Gauge Modes
6.4
QMax and Ra
6.4.1
QMax Initial Values
6.4.2
QMax Update Conditions
6.4.3
OCV Prediction
6.4.4
Fast Qmax Update Conditions
6.4.5
QMax and Fast Qmax Update Boundary Check
6.4.6
Ra Table Initial Values
6.4.7
Ra Table Update Conditions
6.4.8
Application of Resistance Scaling
6.5
FullChargeCapacity(FCC), RemainingCapacity(RemCap), and RelativeStateOfCharge(RSOC)
6.6
Impedance Track™ Configuration Options
6.7
State of Health (SOH)
6.8
TURBO Mode 3.0
6.9
Battery Trip Point (BTP)
6.10
Cell Interconnect IR Compensation
6.11
RSOC Rounding Option
6.12
RSOC 1% Hold
6.13
Accumulated Charge Measurement
7
Zero-Volt Charge (ZVCHG) Algorithm
7.1
Overview
7.2
Feature Activation and Operation
8
Cell Balancing
8.1
Introduction
8.2
Cell Balancing Setup
8.3
Balancing Multiple Cells
8.4
Cell Balancing Operation
8.5
Voltage based Cell Balancing
9
LED Display
9.1
Introduction
9.2
LED Display of State-of-Charge / PERMANENT FAILURE / State-of-Health
9.3
LED Display on Exit of a Reset
9.4
LED Display Control Through AlternateManufacturerAccess()
10
IATA Support
10.1
Initiating IATA Shutdown (Before Shipping)
10.2
After Wakeup (Charging Is Connected for a Short Period to Wake)
11
TMP468 Temperature Sensor Support
11.1
Description
11.2
Physical Interface
11.3
Configuration of TMP468
11.4
TMP468 Communication Validation
11.5
TMP468 Temperature Data Access
11.6
TMP468 Temperature Data Use by the Device
11.7
TMP468 Pass Through Access Commands
11.8
TMP468 Power Management in BQ41Z50 Power Modes
12
General Purpose Input Output (GPIO) Capability
12.1
Description
13
Lifetime Data Collection
13.1
Description
13.2
Reset
14
Device Security
14.1
Introduction
14.2
SHA-1 Description
14.3
HMAC Description
14.4
SHA-1 Authentication
14.5
ECC Description
14.6
Security Modes
14.6.1
FULL ACCESS or UNSEALED to SEALED
14.6.2
SEALED to UNSEALED
14.6.3
UNSEALED to FULL ACCESS
14.6.4
DF Read Only Access in SEALED
15
Manufacture Production
15.1
Manufacture Testing
15.2
Calibration
15.2.1
Calibration Data Flash
15.2.1.1
Voltage
15.2.1.2
Current
15.2.1.3
Current Offset
15.2.1.3.1
CC Offset
15.2.1.3.2
Coulomb Counter Offset Samples
15.2.1.3.3
Board Offset
15.2.1.4
CC Auto Config
15.2.1.5
CC Auto Offset
15.2.1.6
Temperature
15.2.1.6.1
Internal Temp Offset
15.2.1.6.2
External 1 Temp Offset
15.2.1.6.3
External 2 Temp Offset
15.2.1.6.4
External 3 Temp Offset
15.2.1.6.5
External 4 Temp Offset
15.2.1.7
Internal Temp Model
15.2.1.7.1
Int Gain
15.2.1.7.2
Int Base Offset
15.2.1.7.3
Int Minimum AD
15.2.1.7.4
Int Maximum Temp
15.2.1.8
External Thermistor Cell Temp Model
15.2.1.8.1
Coefficient a1
15.2.1.8.2
Coefficient a2
15.2.1.8.3
Coefficient a3
15.2.1.8.4
Coefficient a4
15.2.1.8.5
Coefficient a5
15.2.1.8.6
Coefficient b1
15.2.1.8.7
Coefficient b2
15.2.1.8.8
Coefficient b3
15.2.1.8.9
Coefficient b4
15.2.1.8.10
Rc0
15.2.1.8.11
Adc0
15.2.1.8.12
Rpad
15.2.1.8.13
Rint
15.2.1.9
FET Temp Model Using an External Thermistor
15.2.1.9.1
Coefficient a1
15.2.1.9.2
Coefficient a2
15.2.1.9.3
Coefficient a3
15.2.1.9.4
Coefficient a4
15.2.1.9.5
Coefficient a5
15.2.1.9.6
Coefficient b1
15.2.1.9.7
Coefficient b2
15.2.1.9.8
Coefficient b3
15.2.1.9.9
Coefficient b4
15.2.1.9.10
Rc0
15.2.1.9.11
Adc0
15.2.1.9.12
Rpad
15.2.1.9.13
Rint
15.2.1.10
Current Deadband
15.2.1.10.1
Deadband
15.2.1.10.2
Coulomb Counter Deadband
16
Device SMBus Address
17
SBS Commands
17.1
0x00 ManufacturerAccess() and 0x44 ManufacturerBlockAccess()
17.1.1
ManufacturerAccess() 0x0000
17.1.2
ManufacturerAccess() 0x0001 Device Type
17.1.3
ManufacturerAccess() 0x0002 Firmware Version
17.1.4
ManufacturerAccess() 0x0003 Hardware Version
17.1.5
ManufacturerAccess() 0x0004 Instruction Flash Signature
17.1.6
ManufacturerAccess() 0x0005 Static DF Signature
17.1.7
ManufacturerAccess() 0x0006 Chemical ID
17.1.8
ManufacturerAccess() 0x0008 Static Chem DF Signature
17.1.9
ManufacturerAccess() 0x0009 All DF Signature
17.1.10
ManufacturerAccess() 0x000A STORAGE Mode
17.1.11
ManufacturerAccess() 0x0010 SHUTDOWN Mode
17.1.12
ManufacturerAccess() 0x0011 SLEEP Mode
17.1.13
ManufacturerAccess() 0x001D Fuse Toggle
17.1.14
ManufacturerAccess() 0x001E PCHG FET Toggle
17.1.15
ManufacturerAccess() 0x001F CHG FET Toggle
17.1.16
ManufacturerAccess() 0x0020 DSG FET Toggle
17.1.17
ManufacturerAccess() 0x0021 Gauging
17.1.18
ManufacturerAccess() 0x0022 FET Control
17.1.19
ManufacturerAccess() 0x0023 Lifetime Data Collection
17.1.20
ManufacturerAccess() 0x0024 Permanent Failure
17.1.21
ManufacturerAccess() 0x0025 Black Box Recorder
17.1.22
ManufacturerAccess() 0x0026 Fuse
17.1.23
ManufacturerAccess() 0x0027 LED DISPLAY Enable
17.1.24
ManufacturerAccess() 0x0028 Lifetime Data Reset
17.1.25
ManufacturerAccess() 0x0029 Permanent Fail Data Reset
17.1.26
ManufacturerAccess() 0x002A Black Box Recorder Reset
17.1.27
ManufacturerAccess() 0x002B LED Toggle
17.1.28
ManufacturerAccess() 0x002C LED Display Press
17.1.29
ManufacturerAccess() 0x002D CALIBRATION Mode
17.1.30
ManufacturerAccess() 0x002E Lifetime Data Flush
17.1.31
ManufacturerAccess() 0x002F Lifetime Data SPEED UP Mode
17.1.32
ManufacturerAccess() 0x0030 Seal Device
17.1.33
ManufacturerAccess() 0x0035 Security Keys
17.1.34
ManufacturerAccess() 0x0037 Authentication Key
17.1.35
ManufacturerAccess() 0x0041 Device Reset
17.1.36
ManufacturerAccess() 0x0050 SafetyAlert
17.1.37
ManufacturerAccess() 0x0051 SafetyStatus
17.1.38
ManufacturerAccess() 0x0052 PFAlert
17.1.39
ManufacturerAccess() 0x0053 PFStatus
17.1.40
ManufacturerAccess() 0x0054 OperationStatus
17.1.41
ManufacturerAccess() 0x0055 ChargingStatus
17.1.42
ManufacturerAccess() 0x0056 GaugingStatus
17.1.43
ManufacturerAccess() 0x0057 ManufacturingStatus
17.1.44
ManufacturerAccess() 0x0058 AFE Register
17.1.45
ManufacturerAccess() 0x005A No Load Rem Cap
17.1.46
ManufacturerAccess() 0x005C VCT Voltage
17.1.47
ManufacturerAccess() 0x005E ChargingStatusExt
17.1.48
ManufacturerAccess() 0x0060 Lifetime Data Block 1
17.1.49
ManufacturerAccess() 0x0061 Lifetime Data Block 2
17.1.50
ManufacturerAccess() 0x0062 Lifetime Data Block 3
17.1.51
ManufacturerAccess() 0x0063 Lifetime Data Block 4
17.1.52
ManufacturerAccess() 0x0064 Lifetime Data Block 5
17.1.53
ManufacturerAccess() 0x0065 Lifetime Data Block 6
17.1.54
ManufacturerAccess() 0x0066 Lifetime Data Block 7
17.1.55
ManufacturerAccess() 0x0067 Lifetime Data Block 8
17.1.56
ManufacturerAccess() 0x0068 Lifetime Data Block 9
17.1.57
ManufacturerAccess() 0x0069 Lifetime Data Block 10
17.1.58
ManufacturerAccess() 0x006A Lifetime Data Block 11
17.1.59
ManufacturerAccess() 0x006B Lifetime Data Block 12
17.1.60
ManufacturerAccess() 0x006C Lifetime Data Block 13
17.1.61
ManufacturerAccess() 0x006D Lifetime Data Block 14
17.1.62
ManufacturerAccess() 0x006E Lifetime Data Block 15
17.1.63
ManufacturerAccess() 0x006F Power Events
17.1.64
ManufacturerAccess() 0x0070 ManufacturerInfo
17.1.65
ManufacturerAccess() 0x0071 DAStatus1
17.1.66
ManufacturerAccess() 0x0072 DAStatus2
17.1.67
ManufacturerAccess() 0x0073 GaugeStatus1
17.1.68
ManufacturerAccess() 0x0074 GaugeStatus2
17.1.69
ManufacturerAccess() 0x0075 GaugeStatus3
17.1.70
ManufacturerAccess() 0x0076 CBStatus
17.1.71
ManufacturerAccess() 0x0077 StateofHealth
17.1.72
ManufacturerAccess() 0x0078 FilterCapacity
17.1.73
ManufacturerAccess() 0x0079 RSOCWrite
17.1.74
ManufacturerAccess() 0x007A ManufacturerInfoB
17.1.75
ManufacturerAccess() 0x007B ManufacturerInfoC
17.1.76
ManufacturerAccess() 0x007E Lifetime Data Block 16
17.1.77
ManufacturerAccess() 0x0081 TMPRead1
17.1.78
ManufacturerAccess() 0x0082 TMPRead2
17.1.79
ManufacturerAccess() 0x0083 TMPRead3
17.1.80
ManufacturerAccess() 0x0084 TMPRead4
17.1.81
ManufacturerAccess() 0x0085 TMPRead5
17.1.82
ManufacturerAccess() 0x0086 TMPRead6
17.1.83
ManufacturerAccess() 0x0087 TMPRead7
17.1.84
ManufacturerAccess() 0x008A TMP Load Config
17.1.85
ManufacturerAccess() 0x008B TMP Write Register
17.1.86
ManufacturerAccess() 0x0098 AccumulationChargeEnable
17.1.87
ManufacturerAccess() 0x0099 AccumulationDischargeEnable
17.1.88
ManufacturerAccess() 0x009A AccumulationReset
17.1.89
ManufacturerAccess() 0x009B AccumulationStop
17.1.90
ManufacturerAccess() 0x009C AccumulationStart
17.1.91
ManufacturerAccess() 0x009D AccumulationChargeThreshold
17.1.92
ManufacturerAccess() 0x009E AccumulationDischargeThreshold
17.1.93
ManufacturerAccess() 0x009F AccumulatedChargeTime
17.1.94
ManufacturerAccess() 0x00B0 ChargingVoltageOverride
17.1.95
ManufacturerAccess() 0x00B2 ChargingCurrentOverride
17.1.96
ManufacturerAccess() 0x00B4 RTC Access
17.1.97
ManufacturerAccess() 0x00F0 IATAShutdown
17.1.98
ManufacturerAccess() 0x00F1 IATARm
17.1.99
ManufacturerAccess() 0x00F2 IATAFcc
17.1.100
ManufacturerAccess() 0x0341 Cell Voltage
17.1.101
ManufacturerAccess() 0x0342 Pack Voltage
17.1.102
ManufacturerAccess() 0x0343 Pack Current
17.1.103
ManufacturerAccess() 0x0344 Temperature
17.1.104
ManufacturerAccess() 0x0F00 ROM Mode
17.1.105
ManufacturerAccess() 0x3008 WriteTemp
17.1.106
ManufacturerAccess() 0x4000–0x5FFF DataFlashAccess
17.1.107
ManufacturerAccess() 0xF080 and 0xF081 Output CCADCCal Control
17.1.108
ManufacturerAccess() 0xF082 OutputShortedCCADCCal
17.2
0x01 RemainingCapacityAlarm()
17.3
0x02 RemainingTimeAlarm()
17.4
0x03 BatteryMode()
17.5
0x04 AtRate()
17.6
0x05 AtRateTimeToFull()
17.7
0x06 AtRateTimeToEmpty()
17.8
0x07 AtRateOK()
17.9
0x08 Temperature()
17.10
0x09 Voltage()
17.11
0x0A Current()
17.12
0x0B AverageCurrent()
17.13
0x0C MaxError()
17.14
0x0D RelativeStateOfCharge()
17.15
0x0E AbsoluteStateOfCharge()
17.16
0x0F RemainingCapacity()
17.17
0x10 FullChargeCapacity()
17.18
0x11 RunTimeToEmpty()
17.19
0x12 AverageTimeToEmpty()
17.20
0x13 AverageTimeToFull()
17.21
0x14 ChargingCurrent()
17.22
0x15 ChargingVoltage()
17.23
0x16 BatteryStatus()
17.24
0x17 CycleCount()
17.25
0x18 DesignCapacity()
17.26
0x19 DesignVoltage()
17.27
0x1A SpecificationInfo()
17.28
0x1B ManufacturerDate()
17.29
0x1C SerialNumber()
17.30
0x20 ManufacturerName()
17.31
0x21 DeviceName()
17.32
0x22 DeviceChemistry()
17.33
0x23 ManufacturerData()
17.34
0x2F Authenticate()
17.35
0x3C CellVoltage4()
17.36
0x3D CellVoltage3()
17.37
0x3E CellVoltage2()
17.38
0x3F CellVoltage1()
17.39
0x48 GPIORead()
17.40
0x49 GPIOWrite()
17.41
0x4A BTPDischargeSet()
17.42
0x4B BTPChargeSet()
17.43
0x4F StateofHealth()
17.44
0x50 SafetyAlert()
17.45
0x51 SafetyStatus()
17.46
0x52 PFAlert()
17.47
0x53 PFStatus()
17.48
0x54 OperationStatus()
17.49
0x55 ChargingStatus()
17.50
0x56 GaugingStatus()
17.51
0x57 ManufacturingStatus()
17.52
0x58 AFERegister()
17.53
0x59 MaxTurboPwr()
17.54
0x5A SusTurboPwr()
17.55
0x5B TurboPackR()
17.56
0x5C TurboSysR()
17.57
0x5D TurboEdv()
17.58
0x5E MaxTurboCurr()
17.59
0x5F SusTurboCurr()
17.60
0x60 LifetimeDataBlock1()
17.61
0x61 LifetimeDataBlock2()
17.62
0x62 LifetimeDataBlock3()
17.63
0x63 LifetimeDataBlock4()
17.64
0x64 LifetimeDataBlock5()
17.65
0x65 LifetimeDataBlock6()
17.66
0x66 LifetimeDataBlock7()
17.67
0x67 LifetimeDataBlock8()
17.68
0x68 TurboRhfEffective()
17.69
0x69 TurboVload()
17.70
0x6A LifetimeDataBlock 11()
17.71
0x6B LifetimeDataBlock12()
17.72
0x70 ManufacturerInfo()
17.73
0x71 DAStatus1()
17.74
0x72 DAStatus2()
17.75
0x73 GaugeStatus1()
17.76
0x74 GaugeStatus2()
17.77
0x75 GaugeStatus3()
17.78
0x76 CBStatus()
17.79
0x77 StateofHealth()
17.80
0x78 FilteredCapacity()
18
Data Flash Values
18.1
Data Formats
18.1.1
Unsigned Integer
18.1.2
Integer
18.1.3
Floating Point
18.1.4
Hex
18.1.5
String
18.2
Calibration
18.2.1
Cell 1..4 Interconnect Resistance
18.2.1.1
Cell 1 Interconnect Resistance
18.2.1.2
Cell 2 Interconnect Resistance
18.2.1.3
Cell 3 Interconnect Resistance
18.2.1.4
Cell 4 Interconnect Resistance
18.3
Settings
18.3.1
Configuration
18.3.1.1
FET Options
18.3.1.2
SBS Gauging Configuration
18.3.1.3
SBS Configuration
18.3.1.4
Auth Config
18.3.1.5
Power Config
18.3.1.6
IO Config
18.3.1.7
LED Configuration
18.3.1.8
SOC Flag Config A
18.3.1.9
SOC Flag Config B
18.3.1.10
Balancing Configuration
18.3.1.11
IT Gauging Configuration
18.3.1.12
IT Gauging Ext
18.3.1.13
Charging Configuration
18.3.1.14
Charging Configuration Ext
18.3.1.15
Temperature Enable
18.3.1.16
Ext TMP Temperature Enable
18.3.1.17
Temperature Mode
18.3.1.18
Ext TMP Temperature Mode
18.3.1.19
DA Configuration
18.3.1.20
Elevated Degrade Configuration
18.3.1.21
DZT Gauging Configuration
18.3.2
Flag Map
18.3.2.1
Set Up 1 Configuration
18.3.2.2
Set Up 1 Pin Number
18.3.2.3
Set Up 2 Configuration
18.3.2.4
Set Up 2 Pin Number
18.3.2.5
Set Up 3 Configuration
18.3.2.6
Set Up 3 Pin Number
18.3.2.7
Set Up 4 Configuration
18.3.2.8
Set Up 4 Pin Number
18.3.3
GPIO
18.3.3.1
Pres Pin Number
18.3.3.2
Disconnect Pin Number
18.3.3.3
Emergency Shutdown Pin Number
18.3.3.4
IO Shutdown Pin Number
18.3.3.5
BTP Pin Number
18.3.3.6
BTP Pin Configuration
18.3.3.7
Display Pin Number
18.3.3.8
Display Pin Configuration
18.3.3.9
GPIO_PF Pin Number
18.3.3.10
LED Pins Mask
18.3.3.11
GPIO_INT Enable
18.3.3.12
GPIO_INT Output Enable
18.3.3.13
GPIO_INT Default Out
18.3.3.14
Sealed Access Config
18.3.4
Fuse
18.3.4.1
Permanent Fail Fuse A
18.3.4.2
Permanent Fail Fuse B
18.3.4.3
Permanent Fail Fuse C
18.3.4.4
Permanent Fail Fuse D
18.3.4.5
Min Blow Fuse Voltage
18.3.4.6
Fuse Blow Timeout
18.3.4.7
GPIO Timeout
18.3.5
BTP
18.3.5.1
Init Discharge Set
18.3.5.2
Init Charge Set
18.3.5.3
Init Charge SOC Set
18.3.5.4
Init Discharge SOC Set
18.3.6
Sealed Access
18.3.6.1
DF Only Read Timeout
18.3.6.2
MfgInfoC Write Timeout
18.3.7
Lifetimes
18.3.7.1
Lifetimes Configuration
18.3.7.2
Time RSOC Thresholds
18.3.7.3
Temperature Hold-off Time
18.3.7.4
Time Temperature Limits
18.3.8
Protection
18.3.8.1
Protection Configuration
18.3.8.2
Enabled Protections A
18.3.8.3
Enabled Protections B
18.3.8.4
Enabled Protections C
18.3.8.5
Enabled Protections D
18.3.9
Permanent Failure
18.3.9.1
Enabled PF A
18.3.9.2
Enabled PF B
18.3.9.3
Enabled PF C
18.3.9.4
Enabled PF D
18.3.10
AFE
18.3.10.1
OCC
18.3.10.2
OCD1
18.3.10.3
OCD2
18.3.10.4
Short Circuit Discharge
18.3.10.5
Over Temperature
18.3.10.6
Current Discharge Wake
18.3.10.7
Current Charge Wake
18.3.10.8
OCC 1 Delay 2
18.3.10.9
OCC 1 Delay 1
18.3.10.10
OCD 1 Delay 2
18.3.10.11
OCD 1 Delay 1
18.3.10.12
OCD 2 Delay 2
18.3.10.13
OCD 2 Delay 1
18.3.10.14
Short Circuit Discharge Delay
18.3.10.15
Over Temperature Delay
18.3.10.16
OCD Wake Delay 2
18.3.10.17
OCD Wake Delay 1
18.3.10.18
OCC Wake Delay 2
18.3.10.19
OCC Wake Delay 1
18.3.10.20
ZVCHG Exit Threshold
18.3.10.21
ZVCHG Min Stepdown Current
18.3.11
Smart Temperature
18.3.11.1
Mid Point Temp
18.3.12
Manufacturing
18.3.12.1
Manufacturing Status Init
18.3.13
Accumulated Charge Measurement
18.3.13.1
Accum Discharge Threshold
18.3.13.2
Accum Charge Threshold
18.3.14
TMP468
18.3.14.1
Address
18.4
Advanced Charging Algorithm
18.4.1
Temperature Ranges
18.4.1.1
T1 Temp
18.4.1.2
Hysteresis Temp T1
18.4.1.3
T2 Temp
18.4.1.4
Hysteresis Temp T2
18.4.1.5
T5 Temp
18.4.1.6
Hysteresis Temp T5
18.4.1.7
T6 Temp
18.4.1.8
Hysteresis Temp T6
18.4.1.9
T3 Temp
18.4.1.10
Hysteresis Temp T3
18.4.1.11
T4 Temp
18.4.1.12
Hysteresis Temp T4
18.4.2
PreCharging
18.4.3
Maintenance Charging
18.4.4
Voltage Range
18.4.4.1
Precharge Start Voltage
18.4.4.2
Charging Voltage Low
18.4.4.3
Charging Voltage Med
18.4.4.4
Charging Voltage High
18.4.4.5
Charging Voltage Hysteresis
18.4.5
Degrade Mode 1
18.4.5.1
Cycle Threshold
18.4.5.2
SOH Threshold
18.4.5.3
Runtime Threshold
18.4.5.4
Voltage Degradation
18.4.5.5
Current Degradation
18.4.6
Degrade Mode 2
18.4.6.1
Cycle Threshold
18.4.6.2
SOH Threshold
18.4.6.3
Runtime Threshold
18.4.6.4
Voltage Degradation
18.4.6.5
Current Degradation
18.4.7
Degrade Mode 3
18.4.7.1
Cycle Threshold
18.4.7.2
SOH Threshold
18.4.7.3
Runtime Threshold
18.4.7.4
Voltage Degradation
18.4.7.5
Current Degradation
18.4.8
Degrade Mode
18.4.8.1
Runtime Degrade
18.4.8.2
Runtime Update Interval
18.4.8.3
Cycle Count Start Runtime
18.4.9
CS Degrade
18.4.9.1
Temperature Threshold
18.4.9.2
Voltage Threshold
18.4.9.3
Time Interval
18.4.9.4
Delta Voltage
18.4.9.5
Min CV
18.4.10
Charge Voltage Override
18.4.10.1
CHGV Override Max
18.4.10.2
CHGV Override Min
18.4.11
Charge Current Override
18.4.11.1
CHGI Override Max
18.4.11.2
CHGI Override Min
18.4.12
Termination Config
18.4.12.1
Charge Term Taper Current
18.4.12.2
Charge Term Voltage Offset
18.4.12.3
Charge Term Charging Voltage
18.4.13
Charging Rate of Change
18.4.13.1
Current Rate
18.4.13.2
Voltage Rate
18.4.14
Charge Loss Compensation
18.4.14.1
CCC Current Threshold
18.4.14.2
CCC Voltage Threshold
18.4.15
IR Correction
18.4.15.1
Averaging Interval
18.4.16
Sealed Write
18.4.16.1
Hold Off
18.4.16.2
Lockout
18.4.17
Low Temp Charging
18.4.17.1
Voltage
18.4.17.2
Current Low
18.4.17.3
Current Med
18.4.17.4
Current High
18.4.18
Standard Temp Low Charging
18.4.18.1
Voltage
18.4.18.2
Current Low
18.4.18.3
Current Med
18.4.18.4
Current High
18.4.19
Standard Temp High Charging
18.4.19.1
Voltage
18.4.19.2
Current Low
18.4.19.3
Current Med
18.4.19.4
Current High
18.4.20
High Temp Charging
18.4.20.1
Voltage
18.4.20.2
Current Low
18.4.20.3
Current Med
18.4.20.4
Current High
18.4.21
Rec Temp Charging
18.4.21.1
Voltage
18.4.21.2
Current Low
18.4.21.3
Current Med
18.4.21.4
Current High
18.4.22
Cell Balancing Config
18.4.22.1
Voltage Cell Balance Threshold
18.4.22.2
Voltage Cell Balance Window
18.4.22.3
Voltage Cell Balance Min
18.4.22.4
Voltage Cell Balance Interval
18.4.22.5
Balance Time per mAh Cell 1
18.4.22.6
Balance Time per mAh Cell 2–4
18.4.22.7
Min Start Balance Delta
18.4.22.8
Relax Balance Interval
18.4.22.9
Min RSOC for Balancing
18.4.22.10
Start Rsoc for Bal in Sleep
18.4.22.11
End Rsoc for Bal in Sleep
18.4.22.12
Start Time for Bal in Sleep
18.4.23
Elevated Degrade
18.4.23.1
Accumulated ERM Time
18.4.23.2
Accumulated ERETM Time
18.4.23.3
Accumulated EVLTM Time
18.4.23.4
Accumulated EVMTM Time
18.4.23.5
Accumulated EVHTM Time
18.4.23.6
ERETM Status
18.4.23.7
EVTM Degrade
18.4.23.8
EVTM Active
18.4.23.9
ERM Reset RSoC Threshold
18.4.23.10
ERM Reset Voltage Threshold
18.4.23.11
ERM RSoC Threshold
18.4.23.12
ERM Voltage Threshold
18.4.23.13
ERM Time Threshold
18.4.23.14
ERETM RSoC Threshold
18.4.23.15
ERETM Voltage Threshold
18.4.23.16
ERETM Temperature Threshold
18.4.23.17
ERETM Time Threshold
18.4.23.18
ERETM Charging Voltage
18.4.23.19
EVTM Voltage Thresholds
18.4.23.20
EVTM Temperature Thresholds
18.4.23.21
EVLTM Time Thresholds
18.4.23.22
EVLTM Delta Charging Voltages
18.4.23.23
EVMTM Time Thresholds
18.4.23.24
EVMTM Delta Charging Voltages
18.4.23.25
EVHTM Time Thresholds
18.4.23.26
EVHTM Delta Charging Voltages
18.5
Power
18.5.1
Power
18.5.2
Shutdown
18.5.2.1
Shutdown Voltage
18.5.2.2
Shutdown Time
18.5.2.3
IO Shutdown Delay
18.5.2.4
IO Shutdown Timeout
18.5.2.5
Low RSoC Shutdown Threshold
18.5.2.6
Low RSoC Shutdown Time
18.5.2.7
Charger Present Threshold
18.5.3
Sleep
18.5.3.1
Sleep Current
18.5.3.2
Low Current
18.5.3.3
Low Current Period
18.5.3.4
Measure Time
18.5.3.5
Bus Timeout
18.5.3.6
Current Time
18.5.4
Ship
18.5.4.1
FET Off Time
18.5.4.2
Delay
18.5.4.3
Auto Ship Time
18.5.5
Power Off
18.5.6
Manual FET Control
18.5.7
System Present
18.5.7.1
SysPres Delay
18.5.8
Storage
18.5.8.1
Storage Delay
18.5.8.2
Storage Ignore SMB Delay
18.5.9
Power Events
18.5.9.1
Power Events
18.5.10
IATA
18.5.10.1
IATA Config
18.5.10.2
IATA Delay Time
18.5.10.3
IATA RSOC Threshold
18.5.10.4
IATA DeltaV Threshold
18.5.10.5
IATA Delta RSOC
18.5.10.6
IATA Wake AbsRSOC
18.5.10.7
IATA MIN Temperature
18.5.10.8
IATA MAX Temperature
18.5.10.9
IATA MIN Voltage
18.5.10.10
IATA MAX Voltage
18.5.11
IATA STORE
18.5.11.1
IATA RM mAH
18.5.11.2
IATA RM cWH
18.5.11.3
IATA FCC mAH
18.5.11.4
IATA FCC cWH
18.5.11.5
IATA Flag
18.5.12
Unintended Wakeup
18.5.12.1
Delay
18.5.12.2
Count
18.6
LED Support
18.6.1
LED Config
18.6.1.1
LED Flash Period
18.6.1.2
LED Blink Period
18.6.1.3
LED Delay
18.6.1.4
LED Hold Time
18.6.1.5
LED FC Time
18.6.1.6
CHG Flash Alarm
18.6.1.7
CHG Thresh 1
18.6.1.8
CHG Thresh 2
18.6.1.9
CHG Thresh 3
18.6.1.10
CHG Thresh 4
18.6.1.11
CHG Thresh 5
18.6.1.12
DSG Flash Alarm
18.6.1.13
DSG Thresh 1
18.6.1.14
DSG Thresh 2
18.6.1.15
DSG Thresh 3
18.6.1.16
DSG Thresh 4
18.6.1.17
DSG Thresh 5
18.7
System Data
18.7.1
Manufacturer Info
18.7.2
Manufacturer Info B
18.7.3
Manufacturer Info C
18.7.4
Integrity
18.7.4.1
Static DF Signature
18.7.4.2
Static Chem DF
18.7.4.3
All DF Signature
18.8
SBS Configuration
18.8.1
Data
18.8.1.1
Manufacturer Date
18.8.1.2
Serial Number
18.8.1.3
Manufacturer Name
18.8.1.4
Device Name
18.8.1.5
Device Chemistry
18.8.1.6
Remaining Capacity Alarm
18.8.1.6.1
Remaining Ah Capacity Alarm
18.8.1.6.2
Remaining Wh Capacity Alarm
18.8.1.7
RemainingTimeAlarm
18.8.1.8
Initial Battery Mode
18.8.1.9
Specification Information
18.8.1.10
VLB Remaining Capacity
18.8.1.10.1
VLB Remaining Cap mAh
18.8.1.10.2
VLB Remaining Cap in cWh
18.8.1.11
VLB Voltage
18.8.1.12
VLB Hold Time
18.8.1.13
VLB Timeout
18.9
Lifetimes
18.9.1
Voltage
18.9.1.1
Cell 1 Max Voltage
18.9.1.2
Cell 2 Max Voltage
18.9.1.3
Cell 3 Max Voltage
18.9.1.4
Cell 4 Max Voltage
18.9.1.5
Cell 1 Min Voltage
18.9.1.6
Cell 2 Min Voltage
18.9.1.7
Cell 3 Min Voltage
18.9.1.8
Cell 4 Min Voltage
18.9.1.9
Max Delta Cell Voltage
18.9.2
Current
18.9.2.1
Max Charge Current
18.9.2.2
Max Discharge Current
18.9.2.3
Max Avg Dsg Current
18.9.2.4
Max Avg Dsg Power
18.9.3
Temperature-Relax
18.9.3.1
Max Temp Cell
18.9.3.2
Min Temp Cell
18.9.3.3
Max Delta Cell Temp
18.9.3.4
Min Temp Int Sensor
18.9.3.5
Max Temp Int Sensor
18.9.3.6
Max Temp Fet
18.9.3.7
Max Temp TS1
18.9.3.8
Max Temp TS2
18.9.3.9
Max Temp TS3
18.9.3.10
Max Temp TS4
18.9.3.11
Min Temp TS1
18.9.3.12
Min Temp TS2
18.9.3.13
Min Temp TS3
18.9.3.14
Min Temp TS4
18.9.3.15
Max Temp TMP468-1
18.9.3.16
Max Temp TMP468-2
18.9.3.17
Max Temp TMP468-3
18.9.3.18
Max Temp TMP468-4
18.9.3.19
Max Temp TMP468-5
18.9.3.20
Max Temp TMP468-6
18.9.3.21
Max Temp TMP468-7
18.9.3.22
Max Temp TMP468-8
18.9.3.23
Min Temp TMP468-1
18.9.3.24
Min Temp TMP468-2
18.9.3.25
Min Temp TMP468-3
18.9.3.26
Min Temp TMP468-4
18.9.3.27
Min Temp TMP468-5
18.9.3.28
Min Temp TMP468-6
18.9.3.29
Min Temp TMP468-7
18.9.3.30
Min Temp TMP468-8
18.9.4
Temperature-Charge
18.9.4.1
Max Temp Cell
18.9.4.2
Min Temp Cell
18.9.4.3
Max Delta Cell Temp
18.9.4.4
Max Temp Int Sensor
18.9.4.5
Min Temp Int Sensor
18.9.4.6
Max Temp Fet
18.9.4.7
Max Temp TS1
18.9.4.8
Max Temp TS2
18.9.4.9
Max Temp TS3
18.9.4.10
Max Temp TS4
18.9.4.11
Min Temp TS1
18.9.4.12
Min Temp TS2
18.9.4.13
Min Temp TS3
18.9.4.14
Min Temp TS4
18.9.4.15
Max Temp TMP468-1
18.9.4.16
Max Temp TMP468-2
18.9.4.17
Max Temp TMP468-3
18.9.4.18
Max Temp TMP468-4
18.9.4.19
Max Temp TMP468-5
18.9.4.20
Max Temp TMP468-6
18.9.4.21
Max Temp TMP468-7
18.9.4.22
Max Temp TMP468-8
18.9.4.23
Min Temp TMP468-1
18.9.4.24
Min Temp TMP468-2
18.9.4.25
Min Temp TMP468-3
18.9.4.26
Min Temp TMP468-4
18.9.4.27
Min Temp TMP468-5
18.9.4.28
Min Temp TMP468-6
18.9.4.29
Min Temp TMP468-7
18.9.4.30
Min Temp TMP468-8
18.9.5
Temperature-Discharge
18.9.5.1
Max Temp Cell
18.9.5.2
Min Temp Cell
18.9.5.3
Max Delta Cell Temp
18.9.5.4
Max Temp Int Sensor
18.9.5.5
Min Temp Int Sensor
18.9.5.6
Max Temp Fet
18.9.5.7
Max Temp TS1
18.9.5.8
Max Temp TS2
18.9.5.9
Max Temp TS3
18.9.5.10
Max Temp TS4
18.9.5.11
Min Temp TS1
18.9.5.12
Min Temp TS2
18.9.5.13
Min Temp TS3
18.9.5.14
Min Temp TS4
18.9.5.15
Max Temp TMP468-1
18.9.5.16
Max Temp TMP468-2
18.9.5.17
Max Temp TMP468-3
18.9.5.18
Max Temp TMP468-4
18.9.5.19
Max Temp TMP468-5
18.9.5.20
Max Temp TMP468-6
18.9.5.21
Max Temp TMP468-7
18.9.5.22
Max Temp TMP468-8
18.9.5.23
Min Temp TMP468-1
18.9.5.24
Min Temp TMP468-2
18.9.5.25
Min Temp TMP468-3
18.9.5.26
Min Temp TMP468-4
18.9.5.27
Min Temp TMP468-5
18.9.5.28
Min Temp TMP468-6
18.9.5.29
Min Temp TMP468-7
18.9.5.30
Min Temp TMP468-8
18.9.6
Safety Events
18.9.6.1
No Of COV Events
18.9.6.2
Last COV Event
18.9.6.3
No Of CUV Events
18.9.6.4
Last CUV Event
18.9.6.5
No Of OCD1 Events
18.9.6.6
Last OCD1 Event
18.9.6.7
No Of OCD2 Events
18.9.6.8
Last OCD2 Event
18.9.6.9
No Of OCC1 Events
18.9.6.10
Last OCC1 Event
18.9.6.11
No Of OCC2 Events
18.9.6.12
Last OCC2 Event
18.9.6.13
No Of AOCD Events
18.9.6.14
Last AOCD Event
18.9.6.15
No Of ASCD Events
18.9.6.16
Last ASCD Event
18.9.6.17
No Of AOCC Events
18.9.6.18
Last AOCC Event
18.9.6.19
No Of OTC Events
18.9.6.20
Last OTC Event
18.9.6.21
No Of OTD Events
18.9.6.22
Last OTD Event
18.9.6.23
No Of OTF Events
18.9.6.24
Last OTF Event
18.9.7
Charging Events
18.9.7.1
No Valid Charge Term
18.9.7.2
Last Valid Charge Term
18.9.8
Gauging Events
18.9.8.1
No Of Qmax Updates
18.9.8.2
Last Qmax Update
18.9.8.3
No Of Ra Updates
18.9.8.4
Last Ra Update
18.9.8.5
No Of Ra Disable
18.9.8.6
Last Ra Disable
18.9.9
Cell Balancing
18.9.9.1
CB Time Cell 1
18.9.9.2
CB Time Cell 2
18.9.9.3
CB Time Cell 3
18.9.9.4
CB Time Cell 4
18.9.10
Time
18.9.10.1
Total Firmware Runtime
18.9.10.2
Time Spent in LFT_UUT
18.9.10.3
Time Spent in LFT_UT
18.9.10.4
Time Spent in LFT_LT
18.9.10.5
Time Spent in LFT_STL
18.9.10.6
Time Spent in LFT_RT
18.9.10.7
Time Spent in LFT_STH
18.9.10.8
Time Spent in LFT_HT
18.9.10.9
Time Spent in LFT_OT
18.10
Protections
18.10.1
CUV—Cell Undervoltage
18.10.1.1
Threshold
18.10.1.2
Delay
18.10.1.3
Recovery
18.10.1.4
Recovery Charger Present Time
18.10.2
CUVC—Cell Undervoltage
18.10.2.1
Threshold
18.10.2.2
Delay
18.10.2.3
Recovery
18.10.3
COV—Cell Overvoltage
18.10.3.1
Threshold Low Temp
18.10.3.2
Threshold Standard Temp Low
18.10.3.3
Threshold Standard Temp High
18.10.3.4
Threshold High Temp
18.10.3.5
Threshold Rec Temp
18.10.3.6
Delay
18.10.3.7
Recovery Low Temp
18.10.3.8
Recovery Standard Temp Low
18.10.3.9
Recovery Standard Temp High
18.10.3.10
Recovery High Temp
18.10.3.11
Recovery Rec Temp
18.10.3.12
Cell Overvoltage Latch Limit
18.10.3.13
Cell Overvoltage Counter Decrement Delay
18.10.3.14
Reset
18.10.4
OCC1—Overcurrent In Charge 1
18.10.4.1
Threshold
18.10.4.2
Delay
18.10.5
OCC2—Overcurrent In Charge 2
18.10.5.1
Threshold
18.10.5.2
Delay
18.10.6
OCC—Overcurrent In Charge Recovery
18.10.6.1
Recovery Threshold
18.10.6.2
Recovery Delay
18.10.7
OCD1—Overcurrent In Discharge 1
18.10.7.1
Threshold
18.10.7.2
Delay
18.10.8
OCD2—Overcurrent In Discharge 2
18.10.8.1
Threshold
18.10.8.2
Delay
18.10.9
OCD—Overcurrent In Discharge Recovery
18.10.9.1
Recovery Threshold
18.10.9.2
Recovery Delay
18.10.9.3
Latch Limit
18.10.9.4
Counter Dec Delay
18.10.9.5
Reset
18.10.10
AOCD—Overload in Discharge
18.10.10.1
Latch Limit
18.10.10.2
Counter Dec Delay
18.10.10.3
Recovery
18.10.10.4
Reset
18.10.11
AOCC—Overcurrent In Charge
18.10.11.1
Latch Limit
18.10.11.2
Counter Dec Delay
18.10.11.3
Recovery
18.10.11.4
Reset
18.10.12
ASCD—Short Circuit in Discharge
18.10.12.1
Latch Limit
18.10.12.2
Counter Dec Delay
18.10.12.3
Recovery
18.10.12.4
Reset
18.10.13
OTC—Overtemperature in Charge
18.10.13.1
Threshold
18.10.13.2
Delay
18.10.13.3
Recovery
18.10.14
OTD—Overtemperature in Discharge
18.10.14.1
Threshold
18.10.14.2
Delay
18.10.14.3
Recovery
18.10.15
DCOT—Delta Cell Overtemperature
18.10.15.1
Threshold
18.10.15.2
Delay
18.10.15.3
Recovery
18.10.16
OTF—Overtemperature FET
18.10.16.1
Threshold
18.10.16.2
Delay
18.10.16.3
Recovery
18.10.17
UTC—Undertemperature in Charge
18.10.17.1
Threshold
18.10.17.2
Delay
18.10.17.3
Recovery
18.10.18
UTD—Undertemperature in Discharge
18.10.18.1
Threshold
18.10.18.2
Delay
18.10.18.3
Recovery
18.10.19
HWD—Host Watchdog
18.10.20
PTO—PRECHARGE Mode Time Out
18.10.20.1
Charge Threshold
18.10.20.2
Suspend Threshold
18.10.20.3
Delay
18.10.20.4
Reset
18.10.21
CTO—Fast Charge Mode Time Out
18.10.21.1
Charge Threshold
18.10.21.2
Suspend Threshold
18.10.21.3
Delay
18.10.21.4
Reset
18.10.22
OC—Overcharge
18.10.22.1
Threshold
18.10.22.2
Recovery
18.10.22.3
RSOC Recovery
18.10.23
CHGV—ChargingVoltage
18.10.23.1
Threshold
18.10.23.2
Delay
18.10.23.3
Recovery
18.10.24
CHGC—ChargingCurrent
18.10.24.1
Threshold
18.10.24.2
Delay
18.10.24.3
Recovery Threshold
18.10.24.4
Recovery Delay
18.10.25
PCHGC—Pre-ChargingCurrent
18.10.25.1
Threshold
18.10.25.2
Delay
18.10.25.3
Recovery Threshold
18.10.25.4
Recovery Delay
18.11
Permanent Fail
18.11.1
SUV—Safety Cell Undervoltage
18.11.1.1
Threshold
18.11.1.2
Delay
18.11.2
SOV—Safety Cell Overvoltage
18.11.2.1
Threshold
18.11.2.2
Delay
18.11.3
SOCC—Safety Overcurrent in Charge
18.11.3.1
Threshold
18.11.3.2
Delay
18.11.4
SOCD—Safety Overcurrent in Discharge
18.11.4.1
Threshold
18.11.4.2
Delay
18.11.5
SOT—Overtemperature Cell
18.11.5.1
SOTC Threshold
18.11.5.2
SOTC Delay
18.11.5.3
SOTD Threshold
18.11.5.4
SOTD Delay
18.11.6
SOTF—Overtemperature FET
18.11.6.1
Threshold
18.11.6.2
Delay
18.11.7
Open Thermistor—NTC Thermistor Failure
18.11.7.1
Threshold
18.11.7.2
Delay
18.11.7.3
FET Delta
18.11.7.4
Cell Delta
18.11.8
QIM—QMax Imbalance
18.11.8.1
Threshold
18.11.8.2
Delay
18.11.9
CB—Cell Balance
18.11.9.1
Max Threshold
18.11.9.2
Delta Threshold
18.11.9.3
Delay
18.11.10
VIMR—Voltage Imbalance At Rest
18.11.10.1
Check Voltage
18.11.10.2
Check Current
18.11.10.3
Delta Threshold
18.11.10.4
Delay
18.11.10.5
Duration
18.11.11
VIMA—Voltage Imbalance Active
18.11.11.1
Check Voltage
18.11.11.2
Check Current
18.11.11.3
Delta Threshold
18.11.11.4
Delay
18.11.12
IMP—Impedance Imbalance
18.11.12.1
Delta Threshold
18.11.12.2
Max Threshold
18.11.12.3
Ra Update Counts
18.11.13
CD—Capacity Degradation
18.11.13.1
Threshold
18.11.13.2
Delay
18.11.14
CFET—CHG FET Failure
18.11.14.1
OFF Threshold
18.11.14.2
OFF Delay
18.11.15
DFET—DFET Failure
18.11.15.1
OFF Threshold
18.11.15.2
OFF Delay
18.11.16
FUSE—FUSE Failure
18.11.16.1
Threshold
18.11.16.2
Delay
18.11.17
AFER—AFE Register
18.11.17.1
Threshold
18.11.17.2
Delay Period
18.11.17.3
Compare Period
18.11.18
AFEC—AFE Communication
18.11.18.1
Threshold
18.11.18.2
Delay Period
18.11.19
TMPC—TMP468 Communication
18.11.19.1
TMPC Threshold
18.11.19.2
TMPC Delay
18.11.20
2LVL—2nd Level OV
18.12
PF Status
18.12.1
Device Status Data
18.12.1.1
Safety Alert A
18.12.1.2
Safety Status A
18.12.1.3
Safety Alert B
18.12.1.4
Safety Status B
18.12.1.5
Safety Alert C
18.12.1.6
Safety Status C
18.12.1.7
Safety Alert D
18.12.1.8
Safety Status D
18.12.1.9
PF Alert A
18.12.1.10
PF Status A
18.12.1.11
PF Alert B
18.12.1.12
PF Status B
18.12.1.13
PF Alert C
18.12.1.14
PF Status C
18.12.1.15
PF Alert D
18.12.1.16
PF Status D
18.12.1.17
Fuse Flag
18.12.1.18
Operation Status A
18.12.1.19
Operation Status B
18.12.1.20
Temp Range
18.12.1.21
Charging Status A
18.12.1.22
Charging Status B
18.12.1.23
Gauging Status
18.12.1.24
IT Status
18.12.2
Device Voltage Data (at the Time of PF Event)
18.12.2.1
Cell 1 Voltage
18.12.2.2
Cell 2 Voltage
18.12.2.3
Cell 3 Voltage
18.12.2.4
Cell 4 Voltage
18.12.2.5
Battery Direct Voltage
18.12.2.6
Pack Voltage
18.12.3
Device Current Data
18.12.4
Device Temperature Data (at the Time of PF Event)
18.12.4.1
Internal Temperature
18.12.4.2
External 1 Temperature
18.12.4.3
External 2 Temperature
18.12.4.4
External 3 Temperature
18.12.4.5
External 4 Temperature
18.12.5
Device Gauging Data (at the Time of PF Event)
18.12.5.1
Cell 1DOD0
18.12.5.2
Cell 2 DOD0
18.12.5.3
Cell 3 DOD0
18.12.5.4
Cell 4 DOD0
18.12.5.5
Passed Charge
18.12.6
AFE Regs
18.12.6.1
OCC
18.12.6.2
OCD1
18.12.6.3
OCD2
18.12.6.4
Short Circuit Discharge
18.12.6.5
Current Discharge Wake
18.12.6.6
Current Charge Wake
18.12.6.7
OCC 1 Delay 2
18.12.6.8
OCC 1 Delay 1
18.12.6.9
OCD 1 Delay 2
18.12.6.10
OCD 1 Delay 1
18.12.6.11
OCD 2 Delay 2
18.12.6.12
OCD 2 Delay 1
18.12.6.13
Short Circuit Discharge Delay
18.12.6.14
Over Temperature Delay
18.12.6.15
OCD Wake Delay 2
18.12.6.16
OCD Wake Delay 1
18.12.6.17
OCC Wake Delay 2
18.12.6.18
OCC Wake Delay 1
18.13
Black Box
18.13.1
Safety Status
18.13.2
PF Status
18.14
Gas Gauging
18.14.1
Current Thresholds
18.14.1.1
Dsg Current Threshold
18.14.1.2
Chg Current Threshold
18.14.1.3
Quit Current
18.14.1.4
Dsg Relax Time
18.14.1.5
Chg Relax Time
18.14.2
Design
18.14.2.1
Design Capacity mAh
18.14.2.2
Design Capacity cWh
18.14.2.3
Design Voltage
18.14.3
Cycle
18.14.4
FD
18.14.4.1
Set Voltage Threshold
18.14.4.2
Clear Voltage Threshold
18.14.4.3
Set % RSOC Threshold
18.14.4.4
Clear % RSOC Threshold
18.14.5
FC
18.14.5.1
Set Voltage Threshold
18.14.5.2
Clear Voltage Threshold
18.14.5.3
Set % RSOC Threshold
18.14.5.4
Clear % RSOC Threshold
18.14.6
TD
18.14.6.1
Set Voltage Threshold
18.14.6.2
Clear Voltage Threshold
18.14.6.3
Set % RSOC Threshold
18.14.6.4
Clear % RSOC Threshold
18.14.7
TC
18.14.7.1
Set Voltage Threshold
18.14.7.2
Clear Voltage Threshold
18.14.7.3
Set % RSOC Threshold
18.14.7.4
Clear % RSOC Threshold
18.14.8
State
18.14.8.1
QMax
18.14.8.2
Update Status
18.14.8.3
Cell 1–4 Chg Voltage at EoC
18.14.8.3.1
Cell 1 Chg Voltage at EoC
18.14.8.3.2
Cell 2 Chg Voltage at EoC
18.14.8.3.3
Cell 3 Chg Voltage at EoC
18.14.8.3.4
Cell 4 Chg Voltage at EoC
18.14.8.4
Current at EoC
18.14.8.5
Average Last Run
18.14.8.5.1
Avg I Last Run
18.14.8.5.2
Avg P Last Run
18.14.8.6
Delta Voltage
18.14.8.7
Temp
18.14.8.7.1
Temp k
18.14.8.7.2
Temp a
18.14.8.8
Max Avg Last Run
18.14.8.8.1
Max Avg I Last Run
18.14.8.8.2
Max Avg P Last Run
18.14.8.9
SOH FCC Max
18.14.8.9.1
SOH FCC Max mAh
18.14.8.9.2
SOH FCC Max cWh
18.14.8.10
SOH Temp
18.14.8.10.1
SOH Temp k
18.14.8.10.2
SOH Temp a
18.14.8.11
Cycle Count
18.14.9
Turbo Cfg
18.14.9.1
Min System Voltage
18.14.9.2
Ten Second Max C-Rate
18.14.9.3
Ten Millisecond Max C-Rate
18.14.9.4
High Frequency Resistance
18.14.9.5
Reserve Energy %
18.14.9.6
Turbo Adjustment Factor
18.14.10
IT-DZT Config
18.14.10.1
Design Resistance
18.14.10.2
Pack Resistance
18.14.10.3
System Resistance
18.14.10.4
Predict Ambient Time
18.14.10.5
Ra Filter
18.14.10.6
Ra Max Delta
18.14.10.7
Reference Grid
18.14.10.8
Resistance Parameter Filter
18.14.10.9
Near EDV Ra Param Filter
18.14.10.10
Max Current Change %
18.14.10.11
Resistance Update Voltage
18.14.10.12
Qmax Delta
18.14.10.13
Qmax Upper Bound
18.14.10.14
Term Voltage
18.14.10.15
Term Min Cell V
18.14.10.16
Res Relax Time
18.14.10.17
Term Voltage Delta
18.14.10.18
Max Simulation Iterations
18.14.10.19
Simulation Near Term Delta
18.14.10.20
Fast Scale Start SOC
18.14.10.21
DeltaV Max Voltage Delta
18.14.10.22
Load Select
18.14.10.23
Fast Scale Load Select
18.14.10.24
Load Mode
18.14.10.25
User Rate-mA
18.14.10.26
User Rate-cW
18.14.10.27
Reserve Cap-mAh
18.14.10.28
Reserve Cap-cWh
18.14.11
Smoothing
18.14.11.1
Smooth Relax Time
18.14.11.2
Term Smooth Start Cell V Delta
18.14.11.3
Term Smooth Final Cell V Delta
18.14.11.4
Term Smooth Time
18.14.11.5
DSG_0_SMOOTH_PAUSE_RELAX
18.14.12
Condition Flag
18.14.13
Max Error
18.14.13.1
Time Cycle Equivalent
18.14.13.2
Cycle Delta
18.14.14
SOH
18.15
RA Table
18.15.1
R_a0
18.15.2
R_a1
18.15.3
R_a2
18.15.4
R_a3
18.15.5
R_a0x
18.15.6
R_a1x
18.15.7
R_a2x
18.15.8
R_a3x
18.16
TMP468
18.16.1
Temp1 Configuration
18.16.2
Temp2 Configuration
18.16.3
Temp3 Configuration
18.16.4
Temp4 Configuration
18.16.5
Temp5 Configuration
18.16.6
Temp6 Configuration
18.16.7
Temp7 Configuration
18.16.8
Temp8 Configuration
18.17
Data Flash Summary
A AFE Threshold and Delay Settings
A.1 Overload in Discharge Protection (AOCD1 and AOCD2)
A.2 Overcurrent in Charge Protection (AOCC)
A.3 Short Circuit in Discharge Protection (ASCD)
A.4 Over Temperature Protection
A.5 Current Wake Detector
B Sample Filter Settings
C Revision History
18.10.14.2
Delay
Class
Subclass
Name
Type
Min
Max
Default
Unit
Protections
OTD
Delay
U1
0
255
2
s
Description
: Overtemperature in Discharge trip delay