ZHCSCE2I October   2013  – March 2022 BQ76920 , BQ76930 , BQ76940

PRODMIX  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1. 6.1 Versions
    2. 6.2 BQ76920 Pin Diagram
    3. 6.3 BQ76930 Pin Diagram
    4. 6.4 BQ76940 Pin Diagram
  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
    6. 7.6 Timing Requirements
    7. 7.7 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 Subsystems
        1. 8.3.1.1 Measurement Subsystem Overview
          1. 8.3.1.1.1 Data Transfer to the Host Controller
          2. 8.3.1.1.2 14-Bit ADC
            1. 8.3.1.1.2.1 Optional Real-Time Calibration Using the Host Microcontroller
          3. 8.3.1.1.3 16-Bit CC
          4. 8.3.1.1.4 External Thermistor
          5. 8.3.1.1.5 Die Temperature Monitor
          6. 8.3.1.1.6 16-Bit Pack Voltage
          7. 8.3.1.1.7 System Scheduler
        2. 8.3.1.2 Protection Subsystem
          1. 8.3.1.2.1 Integrated Hardware Protections
          2. 8.3.1.2.2 Reduced Test Time
        3. 8.3.1.3 Control Subsystem
          1. 8.3.1.3.1 FET Driving (CHG AND DSG)
            1. 8.3.1.3.1.1 High-Side FET Driving
          2. 8.3.1.3.2 Load Detection
          3. 8.3.1.3.3 Cell Balancing
          4. 8.3.1.3.4 Alert
          5. 8.3.1.3.5 Output LDO
        4. 8.3.1.4 Communications Subsystem
    4. 8.4 Device Functional Modes
      1. 8.4.1 NORMAL Mode
      2. 8.4.2 SHIP Mode
    5. 8.5 Register Maps
      1. 8.5.1 Register Details
      2. 8.5.2 Read-Only Registers
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Device Timing
      2. 9.1.2 Random Cell Connection
      3. 9.1.3 Power Pin Diodes
      4. 9.1.4 Alert Pin
      5. 9.1.5 Sense Inputs
      6. 9.1.6 TSn Pins
      7. 9.1.7 Unused Pins
      8. 9.1.8 Configuring Alternative Cell Counts
    2. 9.2 Typical Applications
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Step-by-Step Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 第三方米6体育平台手机版_好二三四免责声明
    2. 12.2 Documentation Support
    3. 12.3 Related Links
    4. 12.4 Receiving Notification of Documentation Updates
    5. 12.5 Trademarks
  13. 13Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

9.1.8 Configuring Alternative Cell Counts

Each BQ769x0 family of IC's support a variety of cell counts. The following tables provide guidance on which device and which input pins to use, depending on the number of cells in the pack.

Table 9-2 Cell Connections for BQ76920
Cell Input3 Cells4 Cells5 Cells
VC5–VC4CELL 3CELL 4CELL 5
VC4–VC3shortshortCELL 4
VC3–VC2shortCELL 3CELL 3
VC2–VC1CELL 2CELL 2CELL 2
VC1–VC0CELL 1CELL 1CELL 1
Table 9-3 Cell Connections for BQ76930
Cell Input6 Cells7 Cells8 Cells9 Cells10 Cells
VC10–VC9CELL 6CELL 7CELL 8CELL 9CELL 10
VC9–VC8shortshortshortshortCELL 9
VC8–VC7shortshortCELL 7CELL 8CELL 8
VC7–VC6CELL 5CELL 6CELL 6CELL 7CELL 7
VC6–VC5bCELL 4CELL 5CELL 5CELL 6CELL 6
VC5–VC4CELL 3CELL 4CELL 4CELL 5CELL 5
VC4–VC3shortshortshortCELL 4CELL 4
VC3–VC2shortCELL 3CELL 3CELL 3CELL 3
VC2–VC1CELL 2CELL 2CELL 2CELL 2CELL 2
VC1–VC0CELL 1CELL 1CELL 1CELL 1CELL 1
Table 9-4 Cell Connections for BQ76940
Cell Input9 Cells10 Cells11 Cells12 Cells13 Cells14 Cells15 Cells
VC15–VC14CELL 9CELL 10CELL 11CELL 12CELL 13CELL 14CELL 15
VC14–VC13shortshortshortshortshortshortCELL 14
VC13–VC12shortshortshortCELL 11CELL 12CELL 13CELL 13
VC12–VC11CELL 8CELL 9CELL 10CELL 10CELL 11CELL 12CELL 12
VC11–VC10bCELL 7CELL 8CELL 9CELL 9CELL 10CELL 11CELL 11
VC10–VC9CELL 6CELL 7CELL 8CELL 8CELL 9CELL 10CELL 10
VC9–VC8shortshortshortshortshortCELL 9CELL 9
VC8–VC7shortshortCELL 7CELL 7CELL 8CELL 8CELL 8
VC7–VC6CELL 5CELL 6CELL 6CELL 6CELL 7CELL 7CELL 7
VC6–VC5bCELL 4CELL 5CELL 5CELL 5CELL 6CELL 6CELL 6
VC5–VC4CELL 3CELL 4CELL 4CELL 4CELL 5CELL 5CELL 5
VC4–VC3shortshortshortshortCELL 4CELL 4CELL 4
VC3–VC2shortCELL 3CELL 3CELL 3CELL 3CELL 3CELL 3
VC2–VC1CELL 2CELL 2CELL 2CELL 2CELL 2CELL 2CELL 2
VC1–VC0CELL 1CELL 1CELL 1CELL 1CELL 1CELL 1CELL 1
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