SLUSA76B December   2010  – January 2015 BQ24210

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Typical Application Schematic
  5. 5 Revision History
  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 Input Voltage-Based Dynamic Power Management (VBUS-DPM)
      2. 8.3.2 CHG Pin Indication
      3. 8.3.3 CHG and PG LED Pull-Up Source
      4. 8.3.4 Power Good Indication (PG)
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power-Down or Undervoltage Lockout (UVLO)
      2. 8.4.2 Operation Mode Detection and Transition
      3. 8.4.3 Sleep Mode
      4. 8.4.4 Load Mode
      5. 8.4.5 Charge Mode
        1. 8.4.5.1  Overvoltage Protection (OVP) - Continuously Monitored
        2. 8.4.5.2  Power Up
        3. 8.4.5.3  Battery Detect Routine
        4. 8.4.5.4  New Charge Cycle
        5. 8.4.5.5  BAT Output
        6. 8.4.5.6  Fast Charge Current (IOUT)
        7. 8.4.5.7  Termination
        8. 8.4.5.8  Timers
        9. 8.4.5.9  Battery Temperature Monitoring
        10. 8.4.5.10 Limited Power Charge Mode - TS Pin High
      6. 8.4.6 Suspend Mode
  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
      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 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

10 Power Supply Recommendations

In order for the IC to charge a battery, the power source at VBUS must be larger than the undervoltage lockout threshold of 3.3 V typical and the battery voltage, V(BAT) plus 200 mV typical to prevent SLEEP mode but less than the OVP threshold of 7.5 V typical. The input power source can be a low impedance USB port or wall adapter or a high impedance solar panel if the VBUS_DPM feature if appropriately configured.
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