SLVSAX5B July   2011  – August 2015 TPS65142

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 ESD Ratings
    2. 6.2 Recommended Operating Conditions
    3. 6.3 Thermal Information
    4. 6.4 Electrical Characteristics
    5. 6.5 Timing Requirements
    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  AVDD Boost Regulator
        1. 7.3.1.1 Setting the Output Voltage
        2. 7.3.1.2 Soft-Start (AVDD Boost Converter)
        3. 7.3.1.3 Frequency Select Pin (FREQ)
        4. 7.3.1.4 Overvoltage Protection
      2. 7.3.2  Regulated Positive Charge Pump
      3. 7.3.3  Negative Charge Pump
      4. 7.3.4  Gate Voltage Shaping
      5. 7.3.5  VCOM Buffer
      6. 7.3.6  Reset
      7. 7.3.7  Under-voltage Lockout (UVLO)
      8. 7.3.8  Thermal Shutdown
      9. 7.3.9  WLED Boost Regulator
      10. 7.3.10 Current Sinks
      11. 7.3.11 Unused IFB Pins
      12. 7.3.12 PWM Dimming
      13. 7.3.13 Enabling the WLED Driver
      14. 7.3.14 Soft-Start of WLED Boost Regulator
      15. 7.3.15 Protection of WLED Driver
        1. 7.3.15.1 Current Limit Protection
        2. 7.3.15.2 Open WLED String Protection
        3. 7.3.15.3 Overvoltage Protection
      16. 7.3.16 Power Up/Down Sequence
        1. 7.3.16.1 Power Up Sequence
        2. 7.3.16.2 Power Down Sequence and LCD Discharge Function
  8. 8 Application and Implementation
    1. 8.1 Typical Application
  9. 9 Device and Documentation Support
    1. 9.1 Community Resources
    2. 9.2 Trademarks
    3. 9.3 Electrostatic Discharge Caution
    4. 9.4 Glossary
  10. 10Mechanical, Packaging, and Orderable Information

Package Options

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

8 Application and Implementation

NOTE

Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality.

8.1 Typical Application

TPS65142 typ_app_cir_lvsax5.gifFigure 33. Typical Application Circuit