SLUS987C January   2011  – December 2019 BQ33100

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
  4. 4 Revision History
  5. 5 Description (Continued)
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Electrical Characteristics: General Purpose I/O
    6. 7.6  Supply Current
    7. 7.7  REG27 LDO
    8. 7.8  Coulomb Counter
    9. 7.9  ADC
    10. 7.10 External Capacitor Voltage Balance Drive
    11. 7.11 Capacitor Voltage Monitor
    12. 7.12 Internal Temperature Sensor
    13. 7.13 Thermistor Measurement Support
    14. 7.14 Internal Thermal Shutdown
    15. 7.15 High-Frequency Oscillator
    16. 7.16 Low-Frequency Oscillator
    17. 7.17 RAM Backup
    18. 7.18 Flash
    19. 7.19 Current Protection Thresholds
    20. 7.20 Current Protection Timing
    21. 7.21 Timing Requirements: SMBus
    22. 7.22 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
      1. 8.1.1 Super Capacitor Measurements
        1. 8.1.1.1 Voltage
        2. 8.1.1.2 Current, Charge, and Discharge Counting
        3. 8.1.1.3 Device Calibration
        4. 8.1.1.4 Temperature
        5. 8.1.1.5 Series Capacitor Configuration
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Capacitance Monitoring and Learning
        1. 8.3.1.1 Monitoring and Control Operational Overview
        2. 8.3.1.2 Main Monitoring Registers
        3. 8.3.1.3 Initial Capacitance at Device Reset
        4. 8.3.1.4 Qualified Capacitance Learning
        5. 8.3.1.5 Health Determination
        6. 8.3.1.6 ESR Measurement
        7. 8.3.1.7 Monitor Operating Modes
      2. 8.3.2 Capacitor Voltage Balancing
      3. 8.3.3 Charge Control
        1. 8.3.3.1 Charge Termination
        2. 8.3.3.2 CHG Override Control
      4. 8.3.4 Lifetime Data Gathering
        1. 8.3.4.1 Lifetime Maximum Temperature
        2. 8.3.4.2 Lifetime Minimum Temperature
        3. 8.3.4.3 Lifetime Maximum Capacitor Voltage
      5. 8.3.5 Safety Detection Features
        1. 8.3.5.1  Capacitor Overvoltage (OV)
        2. 8.3.5.2  Capacitor Voltage Imbalance (CIM)
        3. 8.3.5.3  Weak Capacitor (CLBAD)
        4. 8.3.5.4  Overtemperature (OT)
        5. 8.3.5.5  Overcurrent During Charging (OC Chg)
        6. 8.3.5.6  Overcurrent During Discharging (OC Dsg)
        7. 8.3.5.7  Short-Circuit During Charging (SC Chg)
        8. 8.3.5.8  Short-Circuit During Discharging (SC Dsg)
        9. 8.3.5.9  AFE Watchdog (WDF)
        10. 8.3.5.10 Integrated AFE Communication Fault (AFE_C)
        11. 8.3.5.11 Data Flash Fault (DFF)
        12. 8.3.5.12 FAULT Indication (FAULT Pin)
      6. 8.3.6 Communications
        1. 8.3.6.1 SMBus On and Off State
      7. 8.3.7 Security (Enables and Disables Features)
      8. 8.3.8 Measurement System Calibration
        1. 8.3.8.1  Coulomb Counter Deadband
        2. 8.3.8.2  Auto Calibration
        3. 8.3.8.3  Current Gain
        4. 8.3.8.4  CC Delta
        5. 8.3.8.5  Cap1 K-factor
        6. 8.3.8.6  Cap2 K-factor
        7. 8.3.8.7  Cap3 K-factor
        8. 8.3.8.8  Cap4 K-factor
        9. 8.3.8.9  Cap5 K-factor
        10. 8.3.8.10 K-factor Override Flag
        11. 8.3.8.11 System Voltage K-factor
        12. 8.3.8.12 Stack Voltage K-factor
        13. 8.3.8.13 K-factor Stack Override Flag
        14. 8.3.8.14 CC Offset
        15. 8.3.8.15 Board Offset
        16. 8.3.8.16 Int Temp Offset
        17. 8.3.8.17 Ext1 Temp Offset
        18. 8.3.8.18 CC Current
        19. 8.3.8.19 Voltage Signal
        20. 8.3.8.20 Temp Signal
        21. 8.3.8.21 CC Offset Time
        22. 8.3.8.22 ADC Offset Time
        23. 8.3.8.23 Current Gain Time
        24. 8.3.8.24 Voltage Time
        25. 8.3.8.25 Temperature Time
        26. 8.3.8.26 Cal Mode Timeout
        27. 8.3.8.27 Ext Coef a1..a5, b1..b4, Ext rc0, Ext adc0
        28. 8.3.8.28 Rpad
        29. 8.3.8.29 Rint
        30. 8.3.8.30 Int Coef 1..4, Int Min AD, Int Max Temp
        31. 8.3.8.31 Filter
        32. 8.3.8.32 Deadband
        33. 8.3.8.33 CC Deadband
    4. 8.4 Device Functional Modes
      1. 8.4.1 Operating Power Modes
    5. 8.5 Programming
      1. 8.5.1 Communications
        1. 8.5.1.1 BQ33100 Slave Address
        2. 8.5.1.2 SMBus On and Off State
        3. 8.5.1.3 Packet Error Checking
      2. 8.5.2 SBS Commands
        1. 8.5.2.1 SBS Command Summary
        2. 8.5.2.2 SBS Command Details
          1. 8.5.2.2.1  ManufacturerAccess (0x00)
            1. 8.5.2.2.1.1  Device Type (0x0001)
            2. 8.5.2.2.1.2  Firmware Version (0x0002)
            3. 8.5.2.2.1.3  Hardware Version (0x0003)
            4. 8.5.2.2.1.4  DF Checksum (0x0004)
            5. 8.5.2.2.1.5  Seal Device (0x0020)
            6. 8.5.2.2.1.6  Lifetime and Capacitor Balancing Enable (0x0021)
            7. 8.5.2.2.1.7  FAULT Activation (0x0030)
            8. 8.5.2.2.1.8  FAULT Clear (0x0031)
            9. 8.5.2.2.1.9  CHGLVL0 Activation (0x0032)
            10. 8.5.2.2.1.10 CHGLVL0 Clear (0x0033)
            11. 8.5.2.2.1.11 CHGLVL1 Activation (0x0033)
            12. 8.5.2.2.1.12 CHGLVL1 Clear (0x0034)
            13. 8.5.2.2.1.13 Learn Load Activation (0x0037)
            14. 8.5.2.2.1.14 Learn Load Clear (0x0038)
            15. 8.5.2.2.1.15 Calibration Mode (0x0040)
            16. 8.5.2.2.1.16 Reset (0x0041)
            17. 8.5.2.2.1.17 Unseal Device (UnsealKey)
            18. 8.5.2.2.1.18 Extended SBS Commands
          2. 8.5.2.2.2  Temperature (0x08)
          3. 8.5.2.2.3  Voltage (0x09)
          4. 8.5.2.2.4  Current (0x0A)
          5. 8.5.2.2.5  ESR (0x0B)
          6. 8.5.2.2.6  RelativeStateofCharge (0x0D)
          7. 8.5.2.2.7  Health (0x0E)
          8. 8.5.2.2.8  Capacitance (0x10)
          9. 8.5.2.2.9  ChargingCurrent (0x14)
          10. 8.5.2.2.10 ChargingVoltage (0x15)
          11. 8.5.2.2.11 CapacitorVoltage5..1 (0x3B..0x3F)
          12. 8.5.2.2.12 Extended SBS Commands
            1. 8.5.2.2.12.1 FETControl(0x46)
            2. 8.5.2.2.12.2 SafetyAlert (0x50)
            3. 8.5.2.2.12.3 SafetyStatus (0x51)
            4. 8.5.2.2.12.4 OperationStatus (0x54)
            5. 8.5.2.2.12.5 SystemVoltage (0x5a)
            6. 8.5.2.2.12.6 UnSealKey(0x60)
            7. 8.5.2.2.12.7 ManufacturerInfo(0x70)
      3. 8.5.3 Data Flash
        1. 8.5.3.1 Accessing Data Flash
        2. 8.5.3.2 Data Flash Interface
        3. 8.5.3.3 Data Flash Summary
        4. 8.5.3.4 Specific Data Flash Programming Details
          1. 8.5.3.4.1  OC Dsg
          2. 8.5.3.4.2  OC Dsg Time
          3. 8.5.3.4.3  SC Dsg Cfg
          4. 8.5.3.4.4  SC Chg Cfg
          5. 8.5.3.4.5  Initial 1st Capacitance
          6. 8.5.3.4.6  Capacitance
          7. 8.5.3.4.7  Firmware Version
          8. 8.5.3.4.8  Hardware Version
          9. 8.5.3.4.9  Manuf. Info
          10. 8.5.3.4.10 Operation Cfg
          11. 8.5.3.4.11 FET ACTION
          12. 8.5.3.4.12 FAULT
          13. 8.5.3.4.13 AFE State_CTL
          14. 8.5.3.4.14 Measurement Margin %
          15. 8.5.3.4.15 Max Dsg Time
          16. 8.5.3.4.16 V Chg Nominal
          17. 8.5.3.4.17 V Chg A
          18. 8.5.3.4.18 V Chg B
          19. 8.5.3.4.19 V Chg Max
          20. 8.5.3.4.20 Min Voltage
          21. 8.5.3.4.21 Learning Frequency
          22. 8.5.3.4.22 Dsg Current Threshold
          23. 8.5.3.4.23 Chg Current Threshold
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Selecting Number of Series Capacitor Support
        2. 9.2.2.2 Selecting Charging Voltage Values
        3. 9.2.2.3 Learning Frequency Selection
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Support Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.5.3.3 Data Flash Summary

The following notation is used in Table 62 with regards to the Data Type column:

The Alpha Character

  • H = Hexadecimal value
  • I = Integer value
  • S = String
  • U = Unsigned Integer value

The Numeric Value following the alpha character is the length of the data in bytes: for example, OT Time Data Type = U1 = Unsigned Integer of 1 byte in length.

Table 62. Data Flash Values

CLASS NAME SUBCLASS ID SUBCLASS NAME OFFSET PARAMETER NAME DATA TYPE MIN MAX DEFAULT UNITS
Safety 0 Voltage 0 OV Threshold I2 0 1000 100 mV
Safety 0 Voltage 2 OV Recovery I2 –500 1000 0 mV
Safety 0 Voltage 4 OV Time U1 0 255 2 s
Safety 0 Voltage 5 CIM Fail Voltage I2 0 5000 550 mV
Safety 0 Voltage 7 CIM Time U1 0 240 10 s
Safety 0 Voltage 8 CIM Recovery I2 0 5000 500 mV
Safety 0 Voltage 10 Min CIM Check Voltage U2 0 65535 1000 mV
Safety 1 Current 0 OC Chg I2 0 5000 1000 mA
Safety 1 Current 2 OC Chg Time U1 0 240 5 mA
Safety 1 Current 3 OC Chg Recovery I2 –1000 5000 900 mA
Safety 1 Current 5 CLBAD Current I2 0 30000 15 mA
Safety 1 Current 7 CLBAD Time U1 0 240 60 s
Safety 1 Current 8 CLBAD Recovery I2 0 1000 10 mA
Safety 1 Current 10 Current Recovery Time U1 0 240 5 s
Safety 1 Current 11 OC Dsg H1 0 f F hex
Safety 1 Current 12 OC Dsg Time H1 0 f F hex
Safety 1 Current 13 OC Dsg Recovery I2 5 1000 5 mA
Safety 1 Current 15 SC Chg Cfg H1 0 f7 f4 hex
Safety 1 Current 16 SC Dsg Cfg H1 0 f7 f7 hex
Safety 1 Current 17 SC Recovery I2 0 200 1 mA
Safety 2 Temperature 0 OT Chg I2 0 1200 680 0.1ºC
Safety 2 Temperature 2 OT Chg Time U1 0 240 2 s
Safety 2 Temperature 3 OT Chg Recovery I2 0 1200 630 0.1ºC
Safety 3 AFE Verification 1 AFE Fail Limit U1 0 255 100 Counts
Safety 3 AFE Verification 3 AFE Init Retry Limit U1 0 255 6 num
Safety 3 AFE Verification 4 AFE Init Limit U1 0 255 20 Counts
Charge Control 34 Charge Cfg 0 Chg Voltage I2 0 32767 8400 mV
Charge Control 34 Charge Cfg 2 Chg Current I2 0 20000 500 mA
Charge Control 34 Charge Cfg 4 Chg Enable Delay U2 0 65000 0 ms
Charge Control 35 Full Charge Cfg 0 Taper Current I2 0 1000 3 mA
Charge Control 35 Full Charge Cfg 2 Taper Voltage I2 0 1000 100 mVolt
Charge Control 35 Full Charge Cfg 4 Current Taper Window U1 0 240 2 s
Charge Control 35 Full Charge Cfg 5 FC Set % I1 -1 100 –1 Percent
Charge Control 35 Full Charge Cfg 6 FC Clear % I1 -1 100 98 Percent
Charge Control 36 Capacitance Balancing Cfg 0 CB Threshold I2 0 5000 1500 mVolt
Charge Control 36 Capacitance Balancing Cfg 2 CB Min U1 0 255 5 mVolt
Charge Control 36 Capacitance Balancing Cfg 3 CB Restart U1 0 255 10 mVolt
System Data 48 Data 0 Design Voltage I2 0 18000 8400 mVolt
System Data 48 Data 2 Manuf Date U2 0 65535 0 Day + Mo × 32 +
(Yr – 1980)
× 256
System Data 48 Data 4 Ser. Num. H2 0 ffff 1 hex
System Data 48 Data 6 Design Capacitance I2 0 65535 250 F
System Data 48 Data 8 Init 1st Capacitance I2 0 65535 250 F
System Data 48 Data 10 Capacitance I2 0 65535 250 F
System Data 48 Data 12 Design ESR I2 0 65535 320 mΩ
System Data 48 Data 14 Initial ESR I2 0 65535 320 mΩ
System Data 48 Data 16 ESR I2 0 65535 320 mΩ
System Data 48 Data 18 Manuf Name S12 x x Texas Instruments —
System Data 48 Data 30 Device Name S8 x x BQ33100 —
System Data 48 Data 38 Init Safety Status H2 0 ffff 0 hex
System Data 56 Manufacturer Data 0 Pack Lot Code H2 0 ffff 0 —
System Data 56 Manufacturer Data 2 PCB Lot Code H2 0 ffff 0 —
System Data 56 Manufacturer Data 4 Firmware Version H2 0 ffff 0 —
System Data 56 Manufacturer Data 6 HardwareVersion H2 0 ffff 0 —
System Data 58 Manufacturer Info 0 Manuf. Info S32 x x 0123456789ABCDEF0123456789ABCDE —
System Data 59 Lifetime Data 0 Lifetime Max Temp I2 0 1400 0 0.1ºC
System Data 59 Lifetime Data 2 Lifetime Min Temp I2 –600 1400 500 0.1ºC
System Data 59 Lifetime Data 4 Lifetime Max Capacitor Voltage I2 0 32767 0 mVolt
Configuration 64 Registers 0 Operation Cfg H2 0 FFFF 308 flags
Configuration 64 Registers 4 FET Action H2 0 FFFF 0 flags
Configuration 64 Registers 8 Fault H2 0 FFFF 0 flags
Configuration 65 AFE 1 AFE State_CTL H1 0 ff 0 flags
Configuration 67 Power 0 Flash Update OK Voltage I2 0 20000 4000 mVolt
Configuration 67 Power 2 Shutdown Voltage I2 0 5500 4000 mVolt
Monitoring 86 System Requirement 0 Min Power I2 0 16800 10 Watt/100
Monitoring 86 System Requirement 2 Required Time I2 0 32767 60 s
Monitoring 86 System Requirement 4 Min Voltage I2 0 10000 4000 mVolt
Monitoring 87 Charging Voltage 0 V Chg Nominal I2 0 32767 8400 mVolt
Monitoring 87 Charging Voltage 2 V Chg A I2 0 32767 8900 mVolt
Monitoring 87 Charging Voltage 4 V Chg B I2 0 32767 9500 mVolt
Monitoring 87 Charging Voltage 6 V Chg Max I2 0 32767 10000 mVolt
Monitoring 87 Charging Voltage 8 V Learn Max I2 0 32767 10000 mVolt
Monitoring 88 Learning Configuration 0 Learning Frequency U1 0 255 2 week
Monitoring 88 Learning Configuration 1 Measurement Margin % U1 0 100 10 Percent
Monitoring 88 Learning Configuration 2 Max Chg Time I2 0 32767 300 s
Monitoring 88 Learning Configuration 4 Max Dsg Time I2 0 32767 10 s
Monitoring 88 Learning Configuration 6 Learn Delta Voltage I2 0 2000 500 mVolt
Monitoring 88 Learning Configuration 8 Cap Start Time U2 0 65535 320 msec
Monitoring 81 Current Thresholds 0 Dsg Current Threshold I2 0 2000 10 mA
Monitoring 81 Current Thresholds 2 Chg Current Threshold I2 0 2000 0 mA
Calibration 104 Data 0 Current Gain F4 1.00E – 01 4.00E + 00 0.47095 Number
Calibration 104 Data 4 CC Delta F4 2.98E + 04 1.19E + 06 140466.3 Number
Calibration 104 Data 8 Cap1 K-factor I2 0 32767 20500 —
Calibration 104 Data 10 Cap2 K-factor I2 0 32767 20500 —
Calibration 104 Data 12 Cap3 K-factor I2 0 32767 20500 —
Calibration 104 Data 14 Cap4 K-factor I2 0 32767 20500 —
Calibration 104 Data 16 Cap5 K-factor I2 0 32767 20500 —
Calibration 104 Data 18 K-factor cap override flag H2 0 FFFF 0 num
Calibration 104 Data 20 System Voltage K-factor I2 0 32767 24500 —
Calibration 104 Data 22 Stack Voltage K-factor I2 0 32767 24500 —
Calibration 104 Data 24 K-factor stack override flag H2 0 FFFF 0 num
Calibration 104 Data 26 CC Offset I2 –32768 32767 –7744 num
Calibration 104 Data 28 Board Offset I2 –32767 32767 0 uV
Calibration 104 Data 30 Int Temp Offset I1 –128 127 0 0.1ºC
Calibration 104 Data 31 Ext1 Temp Offset I1 –128 127 0 0.1ºC
Calibration 104 Data 32 Ext2 Temp Offset I1 –128 127 0 0.1ºC
Calibration 104 Data 33 ESR Offset I1 –128 127 0 mΩ
Calibration 105 Config 0 CC Current I2 0 32767 3000 mA
Calibration 105 Config 2 Voltage Signal I2 0 32767 8400 mVolt
Calibration 105 Config 4 Temp Signal I2 0 32767 2980 0.1ºK
Calibration 105 Config 6 CC Offset Time U2 0 65535 250 s
Calibration 105 Config 8 ADC Offset Time U2 0 65535 32 s
Calibration 105 Config 10 CC Gain Time U2 0 65535 250 s
Calibration 105 Config 12 Voltage Time U2 0 65535 1984 ms
Calibration 105 Config 14 Temperature Time U2 0 65535 32 s
Calibration 105 Config 17 Cal Mode Timeout U2 0 65535 38400 s/128
Calibration 106 Temp Model 0 Ext Coef a1 I2 –32768 32767 –14812 num
Calibration 106 Temp Model 2 Ext Coef a2 I2 –32768 32767 24729 num
Calibration 106 Temp Model 4 Ext Coef a3 I2 –32768 32767 –21265 num
Calibration 106 Temp Model 6 Ext Coef a4 I2 –32768 32767 28353 num
Calibration 106 Temp Model 8 Ext Coef a5 I2 –32768 32767 759 num
Calibration 106 Temp Model 10 Ext Coef b1 I2 –32768 32767 –399 num
Calibration 106 Temp Model 12 Ext Coef b2 I2 –32768 32767 764 num
Calibration 106 Temp Model 14 Ext Coef b3 I2 –32768 32767 –3535 num
Calibration 106 Temp Model 16 Ext Coef b4 I2 –32768 32767 5059 num
Calibration 106 Temp Model 18 Ext rc0 I2 –32768 32767 11703 num
Calibration 106 Temp Model 20 Ext adc0 I2 –32768 32767 11813 num
Calibration 106 Temp Model 22 Rpad I2 –32768 32767 87 Ω
Calibration 106 Temp Model 24 Rint I2 –32768 32767 17740 Ω
Calibration 106 Temp Model 26 Int Coef 1 I2 –32768 32767 0 s
Calibration 106 Temp Model 28 Int Coef 2 I2 –32768 32767 0 s
Calibration 106 Temp Model 30 Int Coef 3 I2 –32768 32767 –12263 s
Calibration 106 Temp Model 32 Int Coef 4 I2 –32768 32767 6106 s
Calibration 106 Temp Model 34 Int Min AD I2 –32768 32767 0 s
Calibration 106 Temp Model 36 Int Max Temp I2 –32768 32767 6106 0.1ºK
Calibration 107 Current 0 Filter U1 0 255 239 Number
Calibration 107 Current 1 Dead Band U1 0 255 5 mA
Calibration 107 Current 2 CC Deadband U1 0 255 10 294 nV