SLUUCO5A december   2022  – august 2023 BQ34Z100-R2

 

  1.   1
  2.   Read This First
    1.     About This Manual
    2.     Notational Conventions
    3.     Glossary
    4.     Trademarks
  3. 1 Introduction
  4. 2 Data Commands
    1. 2.1 Standard Data Commands
      1. 2.1.1  Control(): 0x00/0x01
        1. 2.1.1.1  CONTROL_STATUS: 0x0000
        2. 2.1.1.2  DEVICE TYPE: 0x0001
        3. 2.1.1.3  FW_VERSION: 0x0002
        4. 2.1.1.4  HW_VERSION: 0x0003
        5. 2.1.1.5  RESET_DATA: 0x0005
        6. 2.1.1.6  PREV_MACWRITE: 0x0007
        7. 2.1.1.7  CHEM ID: 0x0008
        8. 2.1.1.8  BOARD_OFFSET: 0x0009
        9. 2.1.1.9  CC_OFFSET: 0x000A
        10. 2.1.1.10 CC_OFFSET_SAVE: 0x000B
        11. 2.1.1.11 DF_VERSION: 0x000C
        12. 2.1.1.12 SET_FULLSLEEP: 0x0010
        13. 2.1.1.13 STATIC_CHEM_DF_CHKSUM: 0x0017
        14. 2.1.1.14 SEALED: 0x0020
        15. 2.1.1.15 IT ENABLE: 0x0021
        16. 2.1.1.16 CAL_ENABLE: 0x002D
        17. 2.1.1.17 RESET: 0x0041
        18. 2.1.1.18 EXIT_CAL: 0x0080
        19. 2.1.1.19 ENTER_CAL: 0x0081
        20. 2.1.1.20 OFFSET_CAL: 0x0082
      2. 2.1.2  StateOfCharge(): 0x02
      3. 2.1.3  MaxError(): 0x03
      4. 2.1.4  RemainingCapacity(): 0x04/0x05
      5. 2.1.5  FullChargeCapacity(): 0x06/07
      6. 2.1.6  Voltage(): 0x08/0x09
      7. 2.1.7  AverageCurrent(): 0x0A/0x0B
      8. 2.1.8  Temperature(): 0x0C/0x0D
      9. 2.1.9  Flags(): 0x0E/0x0F
      10. 2.1.10 FlagsB(): 0x12/0x13
      11. 2.1.11 Current(): 0x10/0x11
    2. 2.2 Extended Data Commands
      1. 2.2.1  AverageTimeToEmpty(): 0x18/0x19
      2. 2.2.2  AverageTimeToFull(): 0x1A/0x1B
      3. 2.2.3  PassedCharge(): 0x1C/0x1D
      4. 2.2.4  DOD0Time(): 0x1E/0x1F
      5. 2.2.5  VoltScale(): 0x20
      6. 2.2.6  CurrScale(): 0x21
      7. 2.2.7  EnegyScale(): 0x22
      8. 2.2.8  AvailableEnergy(): 0x24/0x25
      9. 2.2.9  AveragePower(): 0x26/0x27
      10. 2.2.10 SerialNumber(): 0x28/0x29
      11. 2.2.11 InternalTemperature(): 0x2A/0x2B
      12. 2.2.12 CycleCount(): 0x2C/0x2D
      13. 2.2.13 StateOfHealth(): 0x2E/0x2F
      14. 2.2.14 ChargeVoltage(): 0x30/0x31
      15. 2.2.15 ChargeCurrent(): 0x32/0x33
      16. 2.2.16 PackConfiguration(): 0x3A/0x3B
      17. 2.2.17 DesignCapacity(): 0x3C/0x3D
      18. 2.2.18 DataFlashClass(): 0x3E
      19. 2.2.19 DataFlashBlock(): 0x3F
      20. 2.2.20 AuthenticateData/BlockData(): 0x40…0x53
      21. 2.2.21 AuthenticateChecksum/BlockData(): 0x54
      22. 2.2.22 BlockData(): 0x55…0x5F
      23. 2.2.23 BlockDataChecksum(): 0x60
      24. 2.2.24 BlockDataControl(): 0x61
      25. 2.2.25 GridNumber(): 0x62
      26. 2.2.26 LearnedStatus(): 0x63
      27. 2.2.27 Dod@Eoc(): 0x64/0x65
      28. 2.2.28 QStart(): 0x66/0x67
      29. 2.2.29 TrueRC(): 0x68/0x69
      30. 2.2.30 TrueFCC(): 0x6A/0x6B
      31. 2.2.31 StateTime(): 0x6C/0x6D
      32. 2.2.32 QmaxPassedQ(): 0x6E/0x6F
      33. 2.2.33 DOD0(): 0x70/0x71
      34. 2.2.34 QmaxDod0(): 0x72/0x73
      35. 2.2.35 QmaxTime(): 0x74/0x75
      36. 2.2.36 Data Flash Interface
        1. 2.2.36.1 Accessing Data Flash
        2. 2.2.36.2 Manufacturer Information Block
        3. 2.2.36.3 Access Modes
        4. 2.2.36.4 Sealing/Unsealing Data Flash Access
  5. 3 Fuel Gauging
    1. 3.1  Overview
    2. 3.2  Impedance Track Variables
      1. 3.2.1  Load Mode
      2. 3.2.2  Load Select
      3. 3.2.3  Reserve Cap-mAh
      4. 3.2.4  Reserve Cap-mWh/cWh
      5. 3.2.5  Energy Scale
      6. 3.2.6  Dsg Current Threshold
      7. 3.2.7  Chg Current Threshold
      8. 3.2.8  Quit Current, Dsg Relax Time, Chg Relax Time, and Quit Relax Time
      9. 3.2.9  Qmax
      10. 3.2.10 Update Status
      11. 3.2.11 Avg I Last Run
      12. 3.2.12 Avg P Last Run
      13. 3.2.13 Cell Delta Voltage
      14. 3.2.14 Ra Tables
      15. 3.2.15 StateOfCharge() Smoothing
      16. 3.2.16 Charge Efficiency
      17. 3.2.17 Lifetime Data Logging
    3. 3.3  Device Configuration
      1. 3.3.1 Pack Configuration Register
      2. 3.3.2 Pack Configuration B Register
      3. 3.3.3 Pack Configuration C Register
    4. 3.4  Voltage Measurement and Calibration
      1. 3.4.1 1S Example
      2. 3.4.2 7S Example
      3. 3.4.3 Autocalibration
    5. 3.5  Temperature Measurement
    6. 3.6  Overtemperature Indication
      1. 3.6.1 Overtemperature: Charge
      2. 3.6.2 Overtemperature: Discharge
    7. 3.7  Charging and Charge Termination Indication
    8. 3.8  The Scale Factors
    9. 3.9  LED Display
    10. 3.10 Alert Signal
    11. 3.11 Fast Resistance Scaling
      1. 3.11.1 Calculation of Resistance Scale
      2. 3.11.2 Negative Resistance Scale
      3. 3.11.3 Reset of Resistance Scale
      4. 3.11.4 Fast Resistance Scaling Configuration
  6. 4 Communications
    1. 4.1 Authentication
    2. 4.2 Key Programming
    3. 4.3 Executing an Authentication Query
    4. 4.4 HDQ Single-Pin Serial Interface
    5. 4.5 I2C Interface
    6. 4.6 Switching Between I2C and HDQ Modes
      1. 4.6.1 Converting to HDQ Mode
      2. 4.6.2 Converting to I2C Mode
  7. 5 Device Functional Modes
    1. 5.1 NORMAL Mode
    2. 5.2 SLEEP Mode
    3. 5.3 FULL SLEEP Mode
  8. 6 Power Control
    1. 6.1 Reset Functions
    2. 6.2 Wake-Up Comparator
    3. 6.3 Flash Updates
  9. 7 Data Flash Summary
  10. 8 Gas Gauge Timing Considerations
    1. 8.1 Gauging Effects on I2C Transactions
    2. 8.2 HDQ Bus Effects on Gauging
    3. 8.3 Gauging Effects on HDQ Transactions
    4. 8.4 Manufacturer Timing Notes
  11. 9 HDQ Communication Basics
    1. 9.1 Basic HDQ Protocol
    2. 9.2 Break
    3. 9.3 Basic Timing
    4. 9.4 Reading 16-Bit Words
    5. 9.5 Host Processor Interrupts Using Discrete I/O Port for HDQ
    6. 9.6 Using UART Interface to HDQ
  12. 10Procedures to Seal and Unseal the Gauge
    1. 10.1 Unseal the Gauge to UNSEALED Mode
    2. 10.2 Unseal the Gauge to FULL ACCESS Mode
    3. 10.3 Seal the Gauge
  13. 11Impedance Track Gauge Configuration
    1. 11.1 Introduction
    2. 11.2 Determining ChemID
    3. 11.3 Learning Cycle
    4. 11.4 Common Problems Seen During the Learning Cycle
    5. 11.5 Test Gauge and Optimize
    6. 11.6 Finalize Golden File
    7. 11.7 Program and Test the PCB
  14. 12Revision History

2.2 Extended Data Commands

Extended commands offer additional functionality beyond the standard set of commands. They are used in the same manner; however, unlike standard commands, extended commands are not limited to 2-byte words. The number of command bytes for a given extended command ranges in size from single to multiple bytes, as specified in Table 2-8. For details on the SEALED and UNSEALED states, refer to Section 2.2.36.3.

Table 2-8 Extended Commands
NAME COMMAND CODE UNIT SEALED ACCESS(1),(2) UNSEALED ACCESS(1),(2)
AverageTimeToEmpty() ATTE 0x18/0x19 Minutes R R
AverageTimeToFull() ATTF 0x1A/0x1B Minutes R R
PassedCharge() PCHG 0x1C/0x1D mAh R R
DoD0Time() DoD0T 0x1E/0x1F Minutes R R
VoltScale() VS 0x20 N/A R R
CurrScale() CS 0x21 N/A R R
EnergyScale() ES 0x22 N/A R R
AvailableEnergy() AE 0x24/0x25 cWh R R
AveragePower() AP 0x26/0x27 cW R R
Serial Number SERNUM 0x28/0x29 N/A R R
Internal_Temperature() INTTEMP 0x2A/0x2B 0.1 K R R
CycleCount() CC 0x2C/0x2D Counts R R
StateOfHealth() SOH 0x2E/0x2F % R R
ChargeVoltage() CHGV 0x30/0x31 mV R R
ChargeCurrent() CHGI 0x32/0x33 mA R R
PackConfiguration() PKCFG 0x3A/0x3B N/A R R
DesignCapacity() DCAP 0x3C/0x3D mAh R R
DataFlashClass() (2) DFCLS 0x3E N/A N/A R/W
DataFlashBlock() (2) DFBLK 0x3F N/A R/W R/W
Authenticate()/BlockData() A/DF 0x40…0x53 N/A R/W R/W
AuthenticateCheckSum()/BlockData() ACKS/DFD 0x54 N/A R/W R/W
BlockData() DFD 0x55…0x5F N/A R R/W
BlockDataCheckSum() DFDCKS 0x60 N/A R/W R/W
BlockDataControl() DFDCNTL 0x61 N/A N/A R/W
GridNumber() GN 0x62 N/A R R
LearnedStatus() LS 0x63 N/A R R
DoD@EoC() DEOC 0x64/0x65 N/A R R
QStart() QS 0x66/0x67 mAh R R
TrueRC() TRC 0x68/0x69 mAh R R
TrueFCC() TFCC 0x6A/0x6B mAh R R
StateTime() ST 0x6C/0x6D s R R
QMaxPassedQ QPC 0x6E/0x6F mAh R R
DOD0() DOD0 0x70/0x71 HEX# R R
QmaxDOD0() QD0 0x72/0x73 N/A R R
QmaxTime() QT 0x74/0x75 h/16 R R
Reserved RSVD 0x76...0x7F N/A R R
(1) SEALED and UNSEALED states are entered via commands to CNTL 0x00/0x01.
(2) In SEALED mode, data flash cannot be accessed through commands 0x3E and 0x3F.
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