ZHCSPQ2 December   2022 BQ28Z620

PRODUCTION DATA  

1. 1 特性
2. 2 应用
3. 3 说明
4. 4 Revision History
5. 5 说明（续）
6. 6 BQ28Z620 Changes from BQ28Z610-R1
7. 7 Pin Configuration and Functions
8. 8 Specifications
   1. 8.1  Absolute Maximum Ratings
   2. 8.2  ESD Ratings
   3. 8.3  Recommended Operating Conditions
   4. 8.4  Thermal Information
   5. 8.5  Supply Current
   6. 8.6  Power Supply Control
   7. 8.7  Power-On Reset (POR)
   8. 8.8  Internal 1.8-V LDO
   9. 8.9  Current Wake Comparator
   10. 8.10 Coulomb Counter
   11. 8.11 ADC Digital Filter
   12. 8.12 ADC Multiplexer
   13. 8.13 Cell Balancing Support
   14. 8.14 Internal Temperature Sensor
   15. 8.15 NTC Thermistor Measurement Support
   16. 8.16 High-Frequency Oscillator
   17. 8.17 Low-Frequency Oscillator
   18. 8.18 Voltage Reference 1
   19. 8.19 Voltage Reference 2
   20. 8.20 Instruction Flash
   21. 8.21 Data Flash
   22. 8.22 Current Protection Thresholds
   23. 8.23 Current Protection Timing
   24. 8.24 N-CH FET Drive (CHG, DSG)
   25. 8.25 I2C Interface I/O
   26. 8.26 I2C Interface Timing
   27. 8.27 Typical Characteristics
9. 9 Detailed Description
   1. 9.1 Overview
   2. 9.2 Functional Block Diagram
   3. 9.3 Feature Description
      1. 9.3.1  Battery Parameter Measurements
         1. 9.3.1.1 BQ28Z620 Processor
      2. 9.3.2  Coulomb Counter (CC)
      3. 9.3.3  CC Digital Filter
      4. 9.3.4  ADC Multiplexer
      5. 9.3.5  Analog-to-Digital Converter (ADC)
      6. 9.3.6  ADC Digital Filter
      7. 9.3.7  Internal Temperature Sensor
      8. 9.3.8  External Temperature Sensor Support
      9. 9.3.9  Power Supply Control
      10. 9.3.10 Power-On Reset
      11. 9.3.11 Bus Communication Interface
      12. 9.3.12 I2C Timeout
      13. 9.3.13 Cell Balancing Support
      14. 9.3.14 N-Channel Protection FET Drive
      15. 9.3.15 Low Frequency Oscillator
      16. 9.3.16 High Frequency Oscillator
      17. 9.3.17 1.8-V Low Dropout Regulator
      18. 9.3.18 Internal Voltage References
      19. 9.3.19 Overcurrent in Discharge Protection
      20. 9.3.20 Short-Circuit Current in Charge Protection
      21. 9.3.21 Short-Circuit Current in Discharge 1 and 2 Protection
      22. 9.3.22 Primary Protection Features
      23. 9.3.23 Gas Gauging
      24. 9.3.24 Charge Control Features
      25. 9.3.25 Authentication
   4. 9.4 Device Functional Modes
      1. 9.4.1 Lifetime Logging Features
      2. 9.4.2 Configuration
         1. 9.4.2.1 Coulomb Counting
         2. 9.4.2.2 Cell Voltage Measurements
         3. 9.4.2.3 Current Measurements
         4. 9.4.2.4 Auto Calibration
         5. 9.4.2.5 Temperature Measurements
10. 10Applications and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
       1. 10.2.1 Design Requirements (Default)
       2. 10.2.2 Detailed Design Procedure
          1. 10.2.2.1 Setting Design Parameters
          2. 10.2.2.2 Calibration Process
          3. 10.2.2.3 Gauging Data Updates
       3. 10.2.3 Application Curve
11. 11Power Supply Recommendations
12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
13. 13Device and Documentation Support
    1. 13.1 Documentation Support
    2. 13.2 接收文档更新通知
    3. 13.3 支持资源
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 术语表
14. 14Mechanical, Packaging, and Orderable Information