SLUS912A August   2009  – August 2015

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 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 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 Input Overvoltage Protection
      2. 7.3.2 Input Overcurrent Protection
      3. 7.3.3 Battery Overvoltage Protection
      4. 7.3.4 Thermal Protection
      5. 7.3.5 Enable Function
      6. 7.3.6 Fault Indication
    4. 7.4 Device Functional Modes
      1. 7.4.1 OPERATION Mode
      2. 7.4.2 POWER-DOWN Mode
      3. 7.4.3 POWER-ON RESET Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Powering Accessories
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Selection Of RBAT
        2. 8.2.2.2 Selection Of RCE, RFAULT, And RPU
        3. 8.2.2.3 Selection Of Input And Output Bypass Capacitors
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Community Resources
    2. 11.2 Trademarks
    3. 11.3 Electrostatic Discharge Caution
    4. 11.4 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

9 Power Supply Recommendations

The intention is for the bq24312 device to operate with 5-V adapters with a maximum current rating of 1.5 A. The device operates from sources from 3 V to 5.7 V. Outside of this range, the output is disconnected due to either UVLO or the OVP function.