SLUS891B February   2010  – November 2014

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Handling Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Battery Voltage Regulation
      2. 7.3.2  Battery Current Regulation
      3. 7.3.3  Precharge
      4. 7.3.4  Charge Termination, Recharge, and Safety Timer
      5. 7.3.5  Power Up
      6. 7.3.6  Enable and Disable Charging
      7. 7.3.7  Automatic Internal Soft-Start Charger Current
      8. 7.3.8  Cycle-by-Cycle Charge Undercurrent Protection
      9. 7.3.9  Input Overvoltage Protection (ACOV)
      10. 7.3.10 Input Undervoltage Lock-Out (UVLO)
      11. 7.3.11 Battery Overvoltage Protection
      12. 7.3.12 Cycle-by-Cycle Charge Overcurrent Protection
      13. 7.3.13 Thermal Shutdown Protection
      14. 7.3.14 Temperature Qualification
      15. 7.3.15 Timer Fault Recovery
      16. 7.3.16 PG Output
      17. 7.3.17 CE (Charge Enable)
      18. 7.3.18 Inductor, Capacitor, and Sense Resistor Selection Guidelines
      19. 7.3.19 Charge Status Outputs
      20. 7.3.20 Battery Detection
        1. 7.3.20.1 Example
    4. 7.4 Device Functional Modes
      1. 7.4.1 Converter Operation
      2. 7.4.2 Synchronous and Non-Synchronous Operation
    5. 7.5 Application Information
    6. 7.6 Typical Application
      1. 7.6.1 Design Requirements
      2. 7.6.2 Detailed Design Procedure
        1. 7.6.2.1 Inductor Selection
        2. 7.6.2.2 Input Capacitor
        3. 7.6.2.3 Output Capacitor
        4. 7.6.2.4 Power MOSFET Selection
        5. 7.6.2.5 Input Filter Design
      3. 7.6.3 Application Curves
  8. 8 Power Supply Recommendations
  9. 9  Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 Trademarks
    2. 10.2 Third-Party Products Disclaimer
    3. 10.3 Electrostatic Discharge Caution
    4. 10.4 Glossary
  11. 11Mechanical, 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

8 Power Supply Recommendations

The bq24600 requires a voltage source between 5 V and 28 V connected to VCC. and VCC can be supplied either from the battery or the adapter. If the VCC voltage is greater than the SRN voltage, bq24600 exits the SLEEP mode. If the SRN voltage is greater than VCC, bq24600 enters a low-quiescent current (< 15 µA) SLEEP mode to minimize current drain from the battery.
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