SLUUBY2B September   2020  – May 2022 BQ76952

 

  1.   Read This First
    1.     Battery Notational Conventions
    2.     Trademarks
    3.     Glossary
  2. 1 Introduction
  3. 2 Device Description
    1. 2.1 Overview
    2. 2.2 Functional Block Diagram
  4. 3 Device Configuration
    1. 3.1 Direct Commands and Subcommands
    2. 3.2 Configuration Using OTP or Registers
    3. 3.3 Data Formats
      1. 3.3.1 Unsigned Integer
      2. 3.3.2 Integer
      3. 3.3.3 Floating Point
      4. 3.3.4 Hex
  5. 4 Measurement Subsystem
    1. 4.1  Voltage Measurement
      1. 4.1.1 Voltage Measurement Schedule
      2. 4.1.2 Usage of VC Pins for Cells Versus Interconnect
      3. 4.1.3 Cell Interconnect Resistance
    2. 4.2  General Purpose ADCIN Functionality
    3. 4.3  Coulomb Counter and Digital Filters
    4. 4.4  Synchronized Voltage and Current Measurement
    5. 4.5  Subcommands 0x0071–0x0074 DASTATUS1-4(), Cell Voltage and Synchronized Current Counts
    6. 4.6  Subcommands 0x0075–0x0077 DASTATUS5–7(), Additional Measurements
    7. 4.7  Internal Temperature Measurement
    8. 4.8  Thermistor Temperature Measurement
    9. 4.9  Factory Trim of Voltage ADC
    10. 4.10 Voltage Calibration (ADC Measurements)
    11. 4.11 Voltage Calibration (COV and CUV Protections)
    12. 4.12 Current Calibration
    13. 4.13 Temperature Calibration
  6. 5 Primary and Secondary Protection Subsystems
    1. 5.1 Protections Overview
    2. 5.2 Primary Protections
      1. 5.2.1  Primary Protections Overview
      2. 5.2.2  High-Side NFET Drivers
      3. 5.2.3  Protection FETs Configuration and Control
        1. 5.2.3.1 FET Configuration
        2. 5.2.3.2 FET Control
          1. 5.2.3.2.1 PRECHARGE Mode
          2. 5.2.3.2.2 PREDISCHARGE Mode
      4. 5.2.4  Cell Overvoltage Protection
      5. 5.2.5  Cell Undervoltage Protection
      6. 5.2.6  Short Circuit in Discharge Protection
      7. 5.2.7  Overcurrent in Charge Protection
      8. 5.2.8  Overcurrent in Discharge 1, 2, and 3 Protections
      9. 5.2.9  Overtemperature in Charge Protection
      10. 5.2.10 Overtemperature in Discharge Protection
      11. 5.2.11 Overtemperature FET Protection
      12. 5.2.12 Internal Overtemperature Protection
      13. 5.2.13 Undertemperature in Charge Protection
      14. 5.2.14 Undertemperature in Discharge Protection
      15. 5.2.15 Internal Undertemperature Protection
      16. 5.2.16 Host Watchdog Protection
      17. 5.2.17 Precharge Timeout Protection
      18. 5.2.18 Load Detect Functionality
    3. 5.3 Secondary Protections
      1. 5.3.1  Secondary Protections Overview
      2. 5.3.2  Copper Deposition (CUDEP) Permanent Fail
      3. 5.3.3  Safety Undervoltage (SUV) Permanent Fail
      4. 5.3.4  Safety Overvoltage (SOV) Permanent Fail
      5. 5.3.5  Safety Overcurrent in Charge (SOCC) Permanent Fail
      6. 5.3.6  Safety Overcurrent in Discharge (SOCD) Permanent Fail
      7. 5.3.7  Safety Cell Overtemperature (SOT) Permanent Fail
      8. 5.3.8  Safety FET Overtemperature (SOTF) Permanent Fail
      9. 5.3.9  Charge FET (CFETF) Permanent Fail
      10. 5.3.10 Discharge FET (DFETF) Permanent Fail
      11. 5.3.11 Secondary Protector (2LVL) Permanent Fail
      12. 5.3.12 Voltage Imbalance in Relax (VIMR) Permanent Fail
      13. 5.3.13 Voltage Imbalance in Active (VIMA) Permanent Fail
      14. 5.3.14 Short Circuit in Discharge Latched Permanent Fail
      15. 5.3.15 OTP Memory Signature Permanent Fail
      16. 5.3.16 Data ROM Memory Signature Permanent Fail
      17. 5.3.17 Instruction ROM Memory Signature Permanent Fail
      18. 5.3.18 LFO Oscillator Permanent Fail
      19. 5.3.19 Voltage Reference Permanent Fail
      20. 5.3.20 VSS Permanent Fail
      21. 5.3.21 Protection Comparator MUX Permanent Fail
      22. 5.3.22 Commanded Permanent Fail
      23. 5.3.23 Top of Stack Measurement Check
      24. 5.3.24 Cell Open Wire
  7. 6 Device Status and Controls
    1. 6.1 0x00 Control Status() and 0x12 Battery Status() Commands
    2. 6.2 0x0070 MANU_DATA() Subcommand
    3. 6.3 LDOs
      1. 6.3.1 Preregulator Control
      2. 6.3.2 REG1 and REG2 LDO Controls
    4. 6.4 Multifunction Pin Controls
    5. 6.5 CFETOFF, DFETOFF, and BOTHOFF Pin Functionality
    6. 6.6 ALERT Pin Operation
    7. 6.7 DDSG and DCHG Pin Operation
    8. 6.8 Fuse Drive
    9. 6.9 Device Event Timing
  8. 7 Operational Modes
    1. 7.1 Overview
    2. 7.2 NORMAL Mode
    3. 7.3 SLEEP Mode
    4. 7.4 DEEPSLEEP Mode
    5. 7.5 SHUTDOWN Mode
    6. 7.6 CONFIG_UPDATE Mode
  9. 8 Device Security
    1. 8.1 Overview
  10. 9 Serial Communications Interfaces
    1. 9.1 Serial Communications Overview
    2. 9.2 I2C Communications Subsystem
    3. 9.3 SPI Communications Interface
      1. 9.3.1 SPI Protocol
    4. 9.4 HDQ Communications Interface
  11. 10Cell Balancing
    1. 10.1 Cell Balancing Operation
    2. 10.2 Cell Balancing Timing
  12. 11Diagnostics
    1. 11.1 Diagnostics Overview
    2. 11.2 VREF2 Versus VREF1 Check
    3. 11.3 VSS Measurement
    4. 11.4 Top of Stack Measurement Check
    5. 11.5 LFO Oscillator Monitor
    6. 11.6 Protection Comparator Mux Check
    7. 11.7 Internal Watchdog Reset
    8. 11.8 Internal Memory Checks
  13. 12Commands and Subcommands
    1. 12.1 Direct Commands
    2. 12.2 Bitfield Definitions for Direct Commands
      1. 12.2.1  Control Status Register
      2. 12.2.2  Safety Alert A Register
      3. 12.2.3  Safety Status A Register
      4. 12.2.4  Safety Alert B Register
      5. 12.2.5  Safety Status B Register
      6. 12.2.6  Safety Alert C Register
      7. 12.2.7  Safety Status C Register
      8. 12.2.8  PF Alert A Register
      9. 12.2.9  PF Status A Register
      10. 12.2.10 PF Alert B Register
      11. 12.2.11 PF Status B Register
      12. 12.2.12 PF Alert C Register
      13. 12.2.13 PF Status C Register
      14. 12.2.14 PF Alert D Register
      15. 12.2.15 PF Status D Register
      16. 12.2.16 Battery Status Register
      17. 12.2.17 Alarm Status Register
      18. 12.2.18 Alarm Raw Status Register
      19. 12.2.19 Alarm Enable Register
      20. 12.2.20 FET Status Register
    3. 12.3 Command-Only Subcommands
    4. 12.4 Subcommands with Data
    5. 12.5 Bitfield Definitions for Subcommands
      1. 12.5.1 PF Status A Register
      2. 12.5.2 PF Status B Register
      3. 12.5.3 PF Status C Register
      4. 12.5.4 PF Status D Register
      5. 12.5.5 Manufacturing Status Register
      6. 12.5.6 FET Control Register
      7. 12.5.7 REG12 Control Register
      8. 12.5.8 OTP Write Check Result Register
      9. 12.5.9 OTP Write Result Register
  14. 13Data Memory Settings
    1. 13.1 Data Memory Access
    2. 13.2 Calibration
      1. 13.2.1  Calibration:Voltage
        1. 13.2.1.1  Calibration:Voltage:Cell 1 Gain
        2. 13.2.1.2  Calibration:Voltage:Cell 2 Gain
        3. 13.2.1.3  Calibration:Voltage:Cell 3 Gain
        4. 13.2.1.4  Calibration:Voltage:Cell 4 Gain
        5. 13.2.1.5  Calibration:Voltage:Cell 5 Gain
        6. 13.2.1.6  Calibration:Voltage:Cell 6 Gain
        7. 13.2.1.7  Calibration:Voltage:Cell 7 Gain
        8. 13.2.1.8  Calibration:Voltage:Cell 8 Gain
        9. 13.2.1.9  Calibration:Voltage:Cell 9 Gain
        10. 13.2.1.10 Calibration:Voltage:Cell 10 Gain
        11. 13.2.1.11 Calibration:Voltage:Cell 11 Gain
        12. 13.2.1.12 Calibration:Voltage:Cell 12 Gain
        13. 13.2.1.13 Calibration:Voltage:Cell 13 Gain
        14. 13.2.1.14 Calibration:Voltage:Cell 14 Gain
        15. 13.2.1.15 Calibration:Voltage:Cell 15 Gain
        16. 13.2.1.16 Calibration:Voltage:Cell 16 Gain
        17. 13.2.1.17 Calibration:Voltage:Pack Gain
        18. 13.2.1.18 Calibration:Voltage:TOS Gain
        19. 13.2.1.19 Calibration:Voltage:LD Gain
        20. 13.2.1.20 Calibration:Voltage:ADC Gain
      2. 13.2.2  Calibration:Current
        1. 13.2.2.1 Calibration:Current:CC Gain
        2. 13.2.2.2 Calibration:Current:Capacity Gain
      3. 13.2.3  Calibration:Vcell Offset
        1. 13.2.3.1 Calibration:Vcell Offset:Vcell Offset
      4. 13.2.4  Calibration:V Divider Offset
        1. 13.2.4.1 Calibration:V Divider Offset:Vdiv Offset
      5. 13.2.5  Calibration:Current Offset
        1. 13.2.5.1 Calibration:Current Offset:Coulomb Counter Offset Samples
        2. 13.2.5.2 Calibration:Current Offset:Board Offset
      6. 13.2.6  Calibration:Temperature
        1. 13.2.6.1  Calibration:Temperature:Internal Temp Offset
        2. 13.2.6.2  Calibration:Temperature:CFETOFF Temp Offset
        3. 13.2.6.3  Calibration:Temperature:DFETOFF Temp Offset
        4. 13.2.6.4  Calibration:Temperature:ALERT Temp Offset
        5. 13.2.6.5  Calibration:Temperature:TS1 Temp Offset
        6. 13.2.6.6  Calibration:Temperature:TS2 Temp Offset
        7. 13.2.6.7  Calibration:Temperature:TS3 Temp Offset
        8. 13.2.6.8  Calibration:Temperature:HDQ Temp Offset
        9. 13.2.6.9  Calibration:Temperature:DCHG Temp Offset
        10. 13.2.6.10 Calibration:Temperature:DDSG Temp Offset
      7. 13.2.7  Calibration:Internal Temp Model
        1. 13.2.7.1 Calibration:Internal Temp Model:Int Gain
        2. 13.2.7.2 Calibration:Internal Temp Model:Int base offset
        3. 13.2.7.3 Calibration:Internal Temp Model:Int Maximum AD
        4. 13.2.7.4 Calibration:Internal Temp Model:Int Maximum Temp
      8. 13.2.8  Calibration:18K Temperature Model
        1. 13.2.8.1  Calibration:18K Temperature Model:Coeff a1
        2. 13.2.8.2  Calibration:18K Temperature Model:Coeff a2
        3. 13.2.8.3  Calibration:18K Temperature Model:Coeff a3
        4. 13.2.8.4  Calibration:18K Temperature Model:Coeff a4
        5. 13.2.8.5  Calibration:18K Temperature Model:Coeff a5
        6. 13.2.8.6  Calibration:18K Temperature Model:Coeff b1
        7. 13.2.8.7  Calibration:18K Temperature Model:Coeff b2
        8. 13.2.8.8  Calibration:18K Temperature Model:Coeff b3
        9. 13.2.8.9  Calibration:18K Temperature Model:Coeff b4
        10. 13.2.8.10 Calibration:18K Temperature Model:Adc0
      9. 13.2.9  Calibration:180K Temperature Model
        1. 13.2.9.1  Calibration:180K Temperature Model:Coeff a1
        2. 13.2.9.2  Calibration:180K Temperature Model:Coeff a2
        3. 13.2.9.3  Calibration:180K Temperature Model:Coeff a3
        4. 13.2.9.4  Calibration:180K Temperature Model:Coeff a4
        5. 13.2.9.5  Calibration:180K Temperature Model:Coeff a5
        6. 13.2.9.6  Calibration:180K Temperature Model:Coeff b1
        7. 13.2.9.7  Calibration:180K Temperature Model:Coeff b2
        8. 13.2.9.8  Calibration:180K Temperature Model:Coeff b3
        9. 13.2.9.9  Calibration:180K Temperature Model:Coeff b4
        10. 13.2.9.10 Calibration:180K Temperature Model:Adc0
      10. 13.2.10 Calibration:Custom Temperature Model
        1. 13.2.10.1  Calibration:Custom Temperature Model:Coeff a1
        2. 13.2.10.2  Calibration:Custom Temperature Model:Coeff a2
        3. 13.2.10.3  Calibration:Custom Temperature Model:Coeff a3
        4. 13.2.10.4  Calibration:Custom Temperature Model:Coeff a4
        5. 13.2.10.5  Calibration:Custom Temperature Model:Coeff a5
        6. 13.2.10.6  Calibration:Custom Temperature Model:Coeff b1
        7. 13.2.10.7  Calibration:Custom Temperature Model:Coeff b2
        8. 13.2.10.8  Calibration:Custom Temperature Model:Coeff b3
        9. 13.2.10.9  Calibration:Custom Temperature Model:Coeff b4
        10. 13.2.10.10 Calibration:Custom Temperature Model:Rc0
        11. 13.2.10.11 Calibration:Custom Temperature Model:Adc0
      11. 13.2.11 Calibration:Current Deadband
        1. 13.2.11.1 Calibration:Current Deadband:Coulomb Counter Deadband
      12. 13.2.12 Calibration:CUV
        1. 13.2.12.1 Calibration:CUV:CUV Threshold Override
      13. 13.2.13 Calibration:COV
        1. 13.2.13.1 Calibration:COV:COV Threshold Override
    3. 13.3 Settings
      1. 13.3.1  Settings:Fuse
        1. 13.3.1.1 Settings:Fuse:Min Blow Fuse Voltage
        2. 13.3.1.2 Settings:Fuse:Fuse Blow Timeout
      2. 13.3.2  Settings:Configuration
        1. 13.3.2.1  Settings:Configuration:Power Config
        2. 13.3.2.2  Settings:Configuration:REG12 Config
        3. 13.3.2.3  Settings:Configuration:REG0 Config
        4. 13.3.2.4  Settings:Configuration:HWD Regulator Options
        5. 13.3.2.5  Settings:Configuration:Comm Type
        6. 13.3.2.6  Settings:Configuration:I2C Address
        7. 13.3.2.7  Settings:Configuration:SPI Configuration
        8. 13.3.2.8  Settings:Configuration:Comm Idle Time
        9. 13.3.2.9  Settings:Configuration:CFETOFF Pin Config
        10. 13.3.2.10 Settings:Configuration:DFETOFF Pin Config
        11. 13.3.2.11 Settings:Configuration:ALERT Pin Config
        12. 13.3.2.12 Settings:Configuration:TS1 Config
        13. 13.3.2.13 Settings:Configuration:TS2 Config
        14. 13.3.2.14 Settings:Configuration:TS3 Config
        15. 13.3.2.15 Settings:Configuration:HDQ Pin Config
        16. 13.3.2.16 Settings:Configuration:DCHG Pin Config
        17. 13.3.2.17 Settings:Configuration:DDSG Pin Config
        18. 13.3.2.18 Settings:Configuration:DA Configuration
        19. 13.3.2.19 Settings:Configuration:Vcell Mode
        20. 13.3.2.20 Settings:Configuration:CC3 Samples
      3. 13.3.3  Settings:Protection
        1. 13.3.3.1  Settings:Protection:Protection Configuration
        2. 13.3.3.2  Settings:Protection:Enabled Protections A
        3. 13.3.3.3  Settings:Protection:Enabled Protections B
        4. 13.3.3.4  Settings:Protection:Enabled Protections C
        5. 13.3.3.5  Settings:Protection:CHG FET Protections A
        6. 13.3.3.6  Settings:Protection:CHG FET Protections B
        7. 13.3.3.7  Settings:Protection:CHG FET Protections C
        8. 13.3.3.8  Settings:Protection:DSG FET Protections A
        9. 13.3.3.9  Settings:Protection:DSG FET Protections B
        10. 13.3.3.10 Settings:Protection:DSG FET Protections C
        11. 13.3.3.11 Settings:Protection:Body Diode Threshold
      4. 13.3.4  Settings:Alarm
        1. 13.3.4.1 Settings:Alarm:Default Alarm Mask
        2. 13.3.4.2 Settings:Alarm:SF Alert Mask A
        3. 13.3.4.3 Settings:Alarm:SF Alert Mask B
        4. 13.3.4.4 Settings:Alarm:SF Alert Mask C
        5. 13.3.4.5 Settings:Alarm:PF Alert Mask A
        6. 13.3.4.6 Settings:Alarm:PF Alert Mask B
        7. 13.3.4.7 Settings:Alarm:PF Alert Mask C
        8. 13.3.4.8 Settings:Alarm:PF Alert Mask D
      5. 13.3.5  Settings:Permanent Failure
        1. 13.3.5.1 Settings:Permanent Failure:Enabled PF A
        2. 13.3.5.2 Settings:Permanent Failure:Enabled PF B
        3. 13.3.5.3 Settings:Permanent Failure:Enabled PF C
        4. 13.3.5.4 Settings:Permanent Failure:Enabled PF D
      6. 13.3.6  Settings:FET
        1. 13.3.6.1 Settings:FET:FET Options
        2. 13.3.6.2 Settings:FET:Chg Pump Control
        3. 13.3.6.3 Settings:FET:Precharge Start Voltage
        4. 13.3.6.4 Settings:FET:Precharge Stop Voltage
        5. 13.3.6.5 Settings:FET:Predischarge Timeout
        6. 13.3.6.6 Settings:FET:Predischarge Stop Delta
      7. 13.3.7  Settings:Current Thresholds
        1. 13.3.7.1 Settings:Current Thresholds:Dsg Current Threshold
        2. 13.3.7.2 Settings:Current Thresholds:Chg Current Threshold
      8. 13.3.8  Settings:Cell Open-Wire
        1. 13.3.8.1 Settings:Cell Open-Wire:Check Time
      9. 13.3.9  Settings:Interconnect Resistances
        1. 13.3.9.1  Settings:Interconnect Resistances:Cell 1 Interconnect
        2. 13.3.9.2  Settings:Interconnect Resistances:Cell 2 Interconnect
        3. 13.3.9.3  Settings:Interconnect Resistances:Cell 3 Interconnect
        4. 13.3.9.4  Settings:Interconnect Resistances:Cell 4 Interconnect
        5. 13.3.9.5  Settings:Interconnect Resistances:Cell 5 Interconnect
        6. 13.3.9.6  Settings:Interconnect Resistances:Cell 6 Interconnect
        7. 13.3.9.7  Settings:Interconnect Resistances:Cell 7 Interconnect
        8. 13.3.9.8  Settings:Interconnect Resistances:Cell 8 Interconnect
        9. 13.3.9.9  Settings:Interconnect Resistances:Cell 9 Interconnect
        10. 13.3.9.10 Settings:Interconnect Resistances:Cell 10 Interconnect
        11. 13.3.9.11 Settings:Interconnect Resistances:Cell 11 Interconnect
        12. 13.3.9.12 Settings:Interconnect Resistances:Cell 12 Interconnect
        13. 13.3.9.13 Settings:Interconnect Resistances:Cell 13 Interconnect
        14. 13.3.9.14 Settings:Interconnect Resistances:Cell 14 Interconnect
        15. 13.3.9.15 Settings:Interconnect Resistances:Cell 15 Interconnect
        16. 13.3.9.16 Settings:Interconnect Resistances:Cell 16 Interconnect
      10. 13.3.10 Settings:Manufacturing
        1. 13.3.10.1 Settings:Manufacturing:Mfg Status Init
      11. 13.3.11 Settings:Cell Balancing Config
        1. 13.3.11.1  Settings:Cell Balancing Config:Balancing Configuration
        2. 13.3.11.2  Settings:Cell Balancing Config:Min Cell Temp
        3. 13.3.11.3  Settings:Cell Balancing Config:Max Cell Temp
        4. 13.3.11.4  Settings:Cell Balancing Config:Max Internal Temp
        5. 13.3.11.5  Settings:Cell Balancing Config:Cell Balance Interval
        6. 13.3.11.6  Settings:Cell Balancing Config:Cell Balance Max Cells
        7. 13.3.11.7  Settings:Cell Balancing Config:Cell Balance Min Cell V (Charge)
        8. 13.3.11.8  Settings:Cell Balancing Config:Cell Balance Min Delta (Charge)
        9. 13.3.11.9  Settings:Cell Balancing Config:Cell Balance Stop Delta (Charge)
        10. 13.3.11.10 Settings:Cell Balancing Config:Cell Balance Min Cell V (Relax)
        11. 13.3.11.11 Settings:Cell Balancing Config:Cell Balance Min Delta (Relax)
        12. 13.3.11.12 Settings:Cell Balancing Config:Cell Balance Stop Delta (Relax)
    4. 13.4 Power
      1. 13.4.1 Power:Shutdown
        1. 13.4.1.1 Power:Shutdown:Shutdown Cell Voltage
        2. 13.4.1.2 Power:Shutdown:Shutdown Stack Voltage
        3. 13.4.1.3 Power:Shutdown:Low V Shutdown Delay
        4. 13.4.1.4 Power:Shutdown:Shutdown Temperature
        5. 13.4.1.5 Power:Shutdown:Shutdown Temperature Delay
        6. 13.4.1.6 Power:Shutdown:FET Off Delay
        7. 13.4.1.7 Power:Shutdown:Shutdown Command Delay
        8. 13.4.1.8 Power:Shutdown:Auto Shutdown Time
        9. 13.4.1.9 Power:Shutdown:RAM Fail Shutdown Time
      2. 13.4.2 Power:Sleep
        1. 13.4.2.1 Power:Sleep:Sleep Current
        2. 13.4.2.2 Power:Sleep:Voltage Time
        3. 13.4.2.3 Power:Sleep:Wake Comparator Current
        4. 13.4.2.4 Power:Sleep:Sleep Hysteresis Time
        5. 13.4.2.5 Power:Sleep:Sleep Charger Voltage Threshold
        6. 13.4.2.6 Power:Sleep:Sleep Charger PACK-TOS Delta
    5. 13.5 System Data
      1. 13.5.1 System Data:Integrity
        1. 13.5.1.1 System Data:Integrity:Config RAM Signature
    6. 13.6 Protections
      1. 13.6.1  Protections:CUV
        1. 13.6.1.1 Protections:CUV:Threshold
        2. 13.6.1.2 Protections:CUV:Delay
        3. 13.6.1.3 Protections:CUV:Recovery Hysteresis
      2. 13.6.2  Protections:COV
        1. 13.6.2.1 Protections:COV:Threshold
        2. 13.6.2.2 Protections:COV:Delay
        3. 13.6.2.3 Protections:COV:Recovery Hysteresis
      3. 13.6.3  Protections:COVL
        1. 13.6.3.1 Protections:COVL:Latch Limit
        2. 13.6.3.2 Protections:COVL:Counter Dec Delay
        3. 13.6.3.3 Protections:COVL:Recovery Time
      4. 13.6.4  Protections:OCC
        1. 13.6.4.1 Protections:OCC:Threshold
        2. 13.6.4.2 Protections:OCC:Delay
        3. 13.6.4.3 Protections:OCC:Recovery Threshold
        4. 13.6.4.4 Protections:OCC:PACK-TOS Delta
      5. 13.6.5  Protections:OCD1
        1. 13.6.5.1 Protections:OCD1:Threshold
        2. 13.6.5.2 Protections:OCD1:Delay
      6. 13.6.6  Protections:OCD2
        1. 13.6.6.1 Protections:OCD2:Threshold
        2. 13.6.6.2 Protections:OCD2:Delay
      7. 13.6.7  Protections:SCD
        1. 13.6.7.1 Protections:SCD:Threshold
        2. 13.6.7.2 Protections:SCD:Delay
        3. 13.6.7.3 Protections:SCD:Recovery Time
      8. 13.6.8  Protections:OCD3
        1. 13.6.8.1 Protections:OCD3:Threshold
        2. 13.6.8.2 Protections:OCD3:Delay
      9. 13.6.9  Protections:OCD
        1. 13.6.9.1 Protections:OCD:Recovery Threshold
      10. 13.6.10 Protections:OCDL
        1. 13.6.10.1 Protections:OCDL:Latch Limit
        2. 13.6.10.2 Protections:OCDL:Counter Dec Delay
        3. 13.6.10.3 Protections:OCDL:Recovery Time
        4. 13.6.10.4 Protections:OCDL:Recovery Threshold
      11. 13.6.11 Protections:SCDL
        1. 13.6.11.1 Protections:SCDL:Latch Limit
        2. 13.6.11.2 Protections:SCDL:Counter Dec Delay
        3. 13.6.11.3 Protections:SCDL:Recovery Time
        4. 13.6.11.4 Protections:SCDL:Recovery Threshold
      12. 13.6.12 Protections:OTC
        1. 13.6.12.1 Protections:OTC:Threshold
        2. 13.6.12.2 Protections:OTC:Delay
        3. 13.6.12.3 Protections:OTC:Recovery
      13. 13.6.13 Protections:OTD
        1. 13.6.13.1 Protections:OTD:Threshold
        2. 13.6.13.2 Protections:OTD:Delay
        3. 13.6.13.3 Protections:OTD:Recovery
      14. 13.6.14 Protections:OTF
        1. 13.6.14.1 Protections:OTF:Threshold
        2. 13.6.14.2 Protections:OTF:Delay
        3. 13.6.14.3 Protections:OTF:Recovery
      15. 13.6.15 Protections:OTINT
        1. 13.6.15.1 Protections:OTINT:Threshold
        2. 13.6.15.2 Protections:OTINT:Delay
        3. 13.6.15.3 Protections:OTINT:Recovery
      16. 13.6.16 Protections:UTC
        1. 13.6.16.1 Protections:UTC:Threshold
        2. 13.6.16.2 Protections:UTC:Delay
        3. 13.6.16.3 Protections:UTC:Recovery
      17. 13.6.17 Protections:UTD
        1. 13.6.17.1 Protections:UTD:Threshold
        2. 13.6.17.2 Protections:UTD:Delay
        3. 13.6.17.3 Protections:UTD:Recovery
      18. 13.6.18 Protections:UTINT
        1. 13.6.18.1 Protections:UTINT:Threshold
        2. 13.6.18.2 Protections:UTINT:Delay
        3. 13.6.18.3 Protections:UTINT:Recovery
      19. 13.6.19 Protections:Recovery
        1. 13.6.19.1 Protections:Recovery:Time
      20. 13.6.20 Protections:HWD
        1. 13.6.20.1 Protections:HWD:Delay
      21. 13.6.21 Protections:Load Detect
        1. 13.6.21.1 Protections:Load Detect:Active Time
        2. 13.6.21.2 Protections:Load Detect:Retry Delay
        3. 13.6.21.3 Protections:Load Detect:Timeout
      22. 13.6.22 Protections:PTO
        1. 13.6.22.1 Protections:PTO:Charge Threshold
        2. 13.6.22.2 Protections:PTO:Delay
        3. 13.6.22.3 Protections:PTO:Reset
    7. 13.7 Permanent Fail
      1. 13.7.1  Permanent Fail:CUDEP
        1. 13.7.1.1 Permanent Fail:CUDEP:Threshold
        2. 13.7.1.2 Permanent Fail:CUDEP:Delay
      2. 13.7.2  Permanent Fail:SUV
        1. 13.7.2.1 Permanent Fail:SUV:Threshold
        2. 13.7.2.2 Permanent Fail:SUV:Delay
      3. 13.7.3  Permanent Fail:SOV
        1. 13.7.3.1 Permanent Fail:SOV:Threshold
        2. 13.7.3.2 Permanent Fail:SOV:Delay
      4. 13.7.4  Permanent Fail:TOS
        1. 13.7.4.1 Permanent Fail:TOS:Threshold
        2. 13.7.4.2 Permanent Fail:TOS:Delay
      5. 13.7.5  Permanent Fail:SOCC
        1. 13.7.5.1 Permanent Fail:SOCC:Threshold
        2. 13.7.5.2 Permanent Fail:SOCC:Delay
      6. 13.7.6  Permanent Fail:SOCD
        1. 13.7.6.1 Permanent Fail:SOCD:Threshold
        2. 13.7.6.2 Permanent Fail:SOCD:Delay
      7. 13.7.7  Permanent Fail:SOT
        1. 13.7.7.1 Permanent Fail:SOT:Threshold
        2. 13.7.7.2 Permanent Fail:SOT:Delay
      8. 13.7.8  Permanent Fail:SOTF
        1. 13.7.8.1 Permanent Fail:SOTF:Threshold
        2. 13.7.8.2 Permanent Fail:SOTF:Delay
      9. 13.7.9  Permanent Fail:VIMR
        1. 13.7.9.1 Permanent Fail:VIMR:Check Voltage
        2. 13.7.9.2 Permanent Fail:VIMR:Max Relax Current
        3. 13.7.9.3 Permanent Fail:VIMR:Threshold
        4. 13.7.9.4 Permanent Fail:VIMR:Delay
        5. 13.7.9.5 Permanent Fail:VIMR:Relax Min Duration
      10. 13.7.10 Permanent Fail:VIMA
        1. 13.7.10.1 Permanent Fail:VIMA:Check Voltage
        2. 13.7.10.2 Permanent Fail:VIMA:Min Active Current
        3. 13.7.10.3 Permanent Fail:VIMA:Threshold
        4. 13.7.10.4 Permanent Fail:VIMA:Delay
      11. 13.7.11 Permanent Fail:CFETF
        1. 13.7.11.1 Permanent Fail:CFETF:OFF Threshold
        2. 13.7.11.2 Permanent Fail:CFETF:OFF Delay
      12. 13.7.12 Permanent Fail:DFETF
        1. 13.7.12.1 Permanent Fail:DFETF:OFF Threshold
        2. 13.7.12.2 Permanent Fail:DFETF:OFF Delay
      13. 13.7.13 Permanent Fail:VSSF
        1. 13.7.13.1 Permanent Fail:VSSF:Fail Threshold
        2. 13.7.13.2 Permanent Fail:VSSF:Delay
      14. 13.7.14 Permanent Fail:2LVL
        1. 13.7.14.1 Permanent Fail:2LVL:Delay
      15. 13.7.15 Permanent Fail:LFOF
        1. 13.7.15.1 Permanent Fail:LFOF:Delay
      16. 13.7.16 Permanent Fail:HWMX
        1. 13.7.16.1 Permanent Fail:HWMX:Delay
    8. 13.8 Security
      1. 13.8.1 Security:Settings
        1. 13.8.1.1 Security:Settings:Security Settings
      2. 13.8.2 Security:Keys
        1. 13.8.2.1 Security:Keys:Unseal Key Step 1
        2. 13.8.2.2 Security:Keys:Unseal Key Step 2
        3. 13.8.2.3 Security:Keys:Full Access Key Step 1
        4. 13.8.2.4 Security:Keys:Full Access Key Step 2
    9. 13.9 Data Memory Summary
  15. 15Revision History

12.3 Command-Only Subcommands

Table 12-22 Table of Command-Only Subcommands
Command Name Access Description
0x000E EXIT_DEEPSLEEP Sealed: W
Unsealed: W
Full Access: W		 Exit DEEPSLEEP mode
0x000F DEEPSLEEP Sealed: W
Unsealed: W
Full Access: W		 Enter DEEPSLEEP mode. Must be sent twice in a row within 4 s to take effect
0x0010 SHUTDOWN Sealed: W
Unsealed: W
Full Access: W		 Start SHUTDOWN sequence. Must be sent twice in a row within 4s to take effect if sealed. If sent twice while unsealed, the shutdown delays are skipped.
0x0012 RESET Sealed: —
Unsealed: W
Full Access: W		 Resets the device
0x001C PDSGTEST Sealed: —
Unsealed: W
Full Access: W		 In FET Test mode, toggle the PDSG FET enable.
0x001D FUSE_TOGGLE Sealed: —
Unsealed: W
Full Access: W		 Toggle FUSE state
0x001E PCHGTEST Sealed: —
Unsealed: W
Full Access: W		 In FET Test mode, toggle the PCHG FET enable.
0x001F CHGTEST Sealed: —
Unsealed: W
Full Access: W		 In FET Test mode, toggle the CHG FET enable.
0x0020 DSGTEST Sealed: —
Unsealed: W
Full Access: W		 In FET Test mode, toggle the DSG FET enable.
0x0022 FET_ENABLE Sealed: —
Unsealed: W
Full Access: W		 Toggle FET_EN in Manufacturing Status. FET_EN = 0 means FET Test Mode. FET_EN = 1 means Firmware FET Control.
0x0024 PF_ENABLE Sealed: —
Unsealed: W
Full Access: W		 Toggle PF_EN in Manufacturing Status
0x0030 SEAL Sealed: —
Unsealed: W
Full Access: W		 Places the device in SEALED mode
0x0082 RESET_PASSQ Sealed: W
Unsealed: W
Full Access: W		 Resets the integrated charge and timer. Charge resets to 0.5 userAh so that the integer portion is rounded.
0x008A PTO_RECOVER Sealed: W
Unsealed: W
Full Access: W		 Triggers recovery from a Precharge Timeout (PTO) safety event. This also resets the timeout timer for an ongoing precharge cycle.
0x0090 SET_CFGUPDATE Sealed: —
Unsealed: W
Full Access: W		 Enters CONFIG_UPDATE mode
0x0092 EXIT_CFGUPDATE Sealed: W
Unsealed: W
Full Access: W		 Exits CONFIG_UPDATE mode. This also clears the Battery Status()[POR] and Battery Status()[WD] bits.
0x0093 DSG_PDSG_OFF Sealed: W
Unsealed: W
Full Access: W		 Disables DSG and PDSG FET drivers
0x0094 CHG_PCHG_OFF Sealed: W
Unsealed: W
Full Access: W		 Disables CHG and PCHG FET drivers
0x0095 ALL_FETS_OFF Sealed: W
Unsealed: W
Full Access: W		 Disables CHG, DSG, PCHG, and PDSG FET drivers
0x0096 ALL_FETS_ON Sealed: W
Unsealed: W
Full Access: W		 Allows all four FETs to be on if other safety conditions are met. This clears the states set by the DSG_PDSG_OFF, CHG_PCHG_OFF, and ALL_FETS_OFF commands.
0x0099 SLEEP_ENABLE Sealed: W
Unsealed: W
Full Access: W		 Enable SLEEP mode. The default is loaded from data memory, after which this command can change the setting.
0x009A SLEEP_DISABLE Sealed: W
Unsealed: W
Full Access: W		 Disable SLEEP mode. The default is loaded from data memory, after which this command can change the setting.
0x009B OCDL_RECOVER Sealed: W
Unsealed: W
Full Access: W		 Recovers Overcurrent in Discharge Latch (OCDL) in the next execution of the safety engine (about 1 second)
0x009C SCDL_RECOVER Sealed: W
Unsealed: W
Full Access: W		 Recovers Short Circuit in Discharge Latch (SCDL) in the next execution of the safety engine (~1 second)
0x009D LOAD_DETECT_RESTART Sealed: W
Unsealed: W
Full Access: W		 Restarts the timeout on the Load Detect (LD) pin current source if it has already triggered
0x009E LOAD_DETECT_ON Sealed: W
Unsealed: W
Full Access: W		 Force the Load Detect (LD) pin current source to be ON. This command has no effect when the device is configured for autonomous control of the current source (Protections:Load Detect:Active Time > 0).
0x009F LOAD_DETECT_OFF Sealed: W
Unsealed: W
Full Access: W		 Force the Load Detect (LD) pin current source to be OFF. This command has no effect when the device is configured for autonomous control of the current source (Protections:Load Detect:Active Time > 0).
0x2800 CFETOFF_LO Sealed: W
Unsealed: W
Full Access: W		 Drive the CFETOFF pin to a low state if it is configured as a GPO
0x2801 DFETOFF_LO Sealed: W
Unsealed: W
Full Access: W		 Drive the DFETOFF pin to a low state if it is configured as a GPO
0x2802 ALERT_LO Sealed: W
Unsealed: W
Full Access: W		 Drive the ALERT pin to a low state if it is configured as a GPO
0x2806 HDQ_LO Sealed: W
Unsealed: W
Full Access: W		 Drive the HDQ pin to a low state if it is configured as a GPO
0x2807 DCHG_LO Sealed: W
Unsealed: W
Full Access: W		 Drive the DCHG pin to a low state if it is configured as a GPO
0x2808 DDSG_LO Sealed: W
Unsealed: W
Full Access: W		 Drive the DDSG pin to a low state if it is configured as a GPO
0x2810 CFETOFF_HI Sealed: W
Unsealed: W
Full Access: W		 Drive the CFETOFF pin to a high state if it is configured as a GPO
0x2811 DFETOFF_HI Sealed: W
Unsealed: W
Full Access: W		 Drive the DFETOFF pin to a high state if it is configured as a GPO
0x2812 ALERT_HI Sealed: W
Unsealed: W
Full Access: W		 Drive the ALERT pin to a high state if it is configured as a GPO
0x2816 HDQ_HI Sealed: W
Unsealed: W
Full Access: W		 Drive the HDQ pin to a high state if it is configured as a GPO
0x2817 DCHG_HI Sealed: W
Unsealed: W
Full Access: W		 Drive the DCHG pin to a high state if it is configured as a GPO
0x2818 DDSG_HI Sealed: W
Unsealed: W
Full Access: W		 Drive the DDSG pin to a high state if it is configured as a GPO
0x2857 PF_FORCE_A Sealed: W
Unsealed: W
Full Access: W		 First part of two-word command to force the command-based PF. Must be followed by PF_FORCE_B within 4 s with no writes in between
0x29A3 PF_FORCE_B Sealed: W
Unsealed: W
Full Access: W		 Second part of two-word command to force the command-based PF. Must be preceded by PF_FORCE_A within 4 s with no writes in between
0x29BC SWAP_COMM_MODE Sealed: —
Unsealed: W
Full Access: W		 Change to the communications mode previously configured by changing Settings:Configuration:Comm Type in CONFIG_UPDATE_MODE
0x29E7 SWAP_TO_I2C Sealed: —
Unsealed: W
Full Access: W		 Select I2C Fast mode (Settings:Configuration:Comm Type = 8) in data memory and immediately start using I2C
0x7C35 SWAP_TO_SPI Sealed: —
Unsealed: W
Full Access: W		 Select SPI with CRC mode (Settings:Configuration:Comm Type = 16) in data memory and immediately start using SPI
0x7C40 SWAP_TO_HDQ Sealed: —
Unsealed: W
Full Access: W		 Select HDQ using ALERT pin mode (Settings:Configuration:Comm Type = 3) in data memory and immediately start using HDQ