JAJSDZ8C June   2017  – April 2021 BQ40Z50-R2

PRODUCTION DATA  

1. 1 特長
2. 2 アプリケーション
3. 3 概要
4. 4 Revision History
5. 5 Description (continued)
6. 6 Pin Configuration and Functions
   1. 6.1 Pin Equivalent Diagrams
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  Supply Current
   6. 7.6  Power Supply Control
   7. 7.7  AFE Power-On Reset
   8. 7.8  AFE Watchdog Reset and Wake Timer
   9. 7.9  Current Wake Comparator
   10. 7.10 VC1, VC2, VC3, VC4, BAT, PACK
   11. 7.11 SMBD, SMBC
   12. 7.12 PRES, BTP_INT, DISP
   13. 7.13 LEDCNTLA, LEDCNTLB, LEDCNTLC
   14. 7.14 Coulomb Counter
   15. 7.15 CC Digital Filter
   16. 7.16 ADC
   17. 7.17 ADC Digital Filter
   18. 7.18 CHG, DSG FET Drive
   19. 7.19 PCHG FET Drive
   20. 7.20 FUSE Drive
   21. 7.21 Internal Temperature Sensor
   22. 7.22 TS1, TS2, TS3, TS4
   23. 7.23 PTC, PTCEN
   24. 7.24 Internal 1.8-V LDO
   25. 7.25 High-Frequency Oscillator
   26. 7.26 Low-Frequency Oscillator
   27. 7.27 Voltage Reference 1
   28. 7.28 Voltage Reference 2
   29. 7.29 Instruction Flash
   30. 7.30 Data Flash
   31. 7.31 OLD, SCC, SCD1, SCD2 Current Protection Thresholds
   32. 7.32 Timing Requirements: OLD, SCC, SCD1, SCD2 Current Protection Timing
   33. 7.33 Timing Requirements: SMBus
   34. 7.34 Timing Requirements: SMBus XL
   35. 7.35 Typical Characteristics
8. 8 Detailed Description
   1. 8.1 Overview
   2. 8.2 Functional Block Diagram
   3. 8.3 Feature Description
      1. 8.3.1  Primary (1st Level) Safety Features
      2. 8.3.2  Secondary (2nd Level) Safety Features
      3. 8.3.3  Charge Control Features
      4. 8.3.4  Gas Gauging
      5. 8.3.5  Configuration
         1. 8.3.5.1 Oscillator Function
         2. 8.3.5.2 System Present Operation
         3. 8.3.5.3 Emergency Shutdown
         4. 8.3.5.4 1-Series, 2-Series, 3-Series, or 4-Series Cell Configuration
         5. 8.3.5.5 Cell Balancing
      6. 8.3.6  Battery Parameter Measurements
         1. 8.3.6.1 Charge and Discharge Counting
      7. 8.3.7  Battery Trip Point (BTP)
      8. 8.3.8  Lifetime Data Logging Features
      9. 8.3.9  Authentication
      10. 8.3.10 LED Display
      11. 8.3.11 IATA Support
      12. 8.3.12 Voltage
      13. 8.3.13 Current
      14. 8.3.14 Temperature
      15. 8.3.15 Communications
          1. 8.3.15.1 SMBus On and Off State
          2. 8.3.15.2 SBS Commands
   4. 8.4 Device Functional Modes
9. 9 Application and Implementation
   1. 9.1 Application Information
   2. 9.2 Typical Applications
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
         1. 9.2.2.1 High-Current Path
            1. 9.2.2.1.1 Protection FETs
            2. 9.2.2.1.2 Chemical Fuse
            3. 9.2.2.1.3 Li-Ion Cell Connections
            4. 9.2.2.1.4 Sense Resistor
            5. 9.2.2.1.5 ESD Mitigation
         2. 9.2.2.2 Gas Gauge Circuit
            1. 9.2.2.2.1 Coulomb-Counting Interface
            2. 9.2.2.2.2 Power Supply Decoupling and PBI
            3. 9.2.2.2.3 System Present
            4. 9.2.2.2.4 SMBus Communication
            5. 9.2.2.2.5 FUSE Circuitry
         3. 9.2.2.3 Secondary-Current Protection
            1. 9.2.2.3.1 Cell and Battery Inputs
            2. 9.2.2.3.2 External Cell Balancing
            3. 9.2.2.3.3 PACK and FET Control
            4. 9.2.2.3.4 Temperature Output
            5. 9.2.2.3.5 LEDs
            6. 9.2.2.3.6 Safety PTC Thermistor
      3. 9.2.3 Application Curves
10. 10Power Supply Recommendations
11. 11Layout
    1. 11.1 Layout Guidelines
       1. 11.1.1 Protector FET Bypass and Pack Terminal Bypass Capacitors
       2. 11.1.2 ESD Spark Gap
    2. 11.2 Layout Example
12. 12Device and Documentation Support
    1. 12.1 Third-Party Products Disclaimer
    2. 12.2 Documentation Support
       1. 12.2.1 Related Documentation
       2. 12.2.2 Receiving Notification of Documentation Updates
    3. 12.3 サポート・リソース
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
13. 13Mechanical, Packaging, and Orderable Information