SLUS894B January   2010  – July 2015

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and 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
    6. 7.6 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  Battery Voltage Regulation
      2. 8.3.2  Battery Current Regulation
      3. 8.3.3  Precharge
      4. 8.3.4  Input Adapter Current Regulation
      5. 8.3.5  Charge Termination, Recharge, and Safety Timer
      6. 8.3.6  Power Up
      7. 8.3.7  Enable and Disable Charging
      8. 8.3.8  System Power Selector
      9. 8.3.9  Automatic Internal Soft-Start Charger Current
      10. 8.3.10 Converter Operation
      11. 8.3.11 Synchronous and Non-Synchronous Operation
      12. 8.3.12 Cycle-By-Cycle Charge Undercurrent Protection
      13. 8.3.13 Input Overvoltage Protection (ACOV)
      14. 8.3.14 Input Undervoltage Lockout (UVLO)
      15. 8.3.15 Battery Overvoltage Protection
      16. 8.3.16 Cycle-By-Cycle Charge Overcurrent Protection
      17. 8.3.17 Thermal Shutdown Protection
      18. 8.3.18 Temperature Qualification
      19. 8.3.19 Timer Fault Recovery
      20. 8.3.20 PG Output
      21. 8.3.21 CE (Charge Enable)
      22. 8.3.22 Charge Status Outputs
      23. 8.3.23 Battery Detection
    4. 8.4 Device Functional Modes
  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 Inductor Selection
        2. 9.2.2.2 Input Capacitor
        3. 9.2.2.3 Output Capacitor
        4. 9.2.2.4 Power MOSFET Selection
        5. 9.2.2.5 Input Filter Design
        6. 9.2.2.6 Inductor, Capacitor, and Sense Resistor Selection Guidelines
        7. 9.2.2.7 Typical System Circuit Component List
      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 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  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

5 Device Comparison Table

bq24620 bq24630
Cell chemistry Lithium phosphate Lithium phosphate
Number of cells in series (minimum to maximum, 4.2 V/cell) 1 to 7 1 to 7
Charge voltage (minimum to maximum) (V) 1.8 to 26 1.8 to 26
Input voltage range (minimum to maximum) (V) 5 to 28 5 to 28
Input overvoltage (V) 32 32
Maximum battery charging current (A) 10 10
Switching frequency (kHz) 300 300
JEITA charging temperature profile No No
DPM No IIN DPM
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