SLVSGG9B June   2023  – February 2025 TPS922052 , TPS922053 , TPS922054 , TPS922055

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 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
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Adaptive Off-Time Current Mode Control
        1. 7.3.1.1 Switching Frequency Settings
        2. 7.3.1.2 Spread Spectrum
      2. 7.3.2 Setting LED Current
      3. 7.3.3 Undervoltage Lockout
      4. 7.3.4 Internal Soft Start
      5. 7.3.5 Dimming Mode
        1. 7.3.5.1 PWM Dimming
        2. 7.3.5.2 Analog Dimming
        3. 7.3.5.3 Hybrid Dimming
        4. 7.3.5.4 Flexible Dimming
      6. 7.3.6 CC/CV Charging Mode
      7. 7.3.7 Fault Protection
      8. 7.3.8 Thermal Foldback
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 TPS922054 24V Input, 4A Output, 4-piece WLED Driver With Analog Dimming
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Inductor Selection
          2. 8.2.1.2.2 Input Capacitor Selection
          3. 8.2.1.2.3 Output Capacitor Selection
          4. 8.2.1.2.4 Sense Resistor Selection
          5. 8.2.1.2.5 Other External Components Selection
        3. 8.2.1.3 Application Curves
      2. 8.2.2 TPS922054 48V Input, 2A Output, 12-piece WLED Driver with PWM Dimming
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 Inductor Selection
          2. 8.2.2.2.2 Input Capacitor Selection
          3. 8.2.2.2.3 Output Capacitor Selection
          4. 8.2.2.2.4 Sense Resistor Selection
          5. 8.2.2.2.5 Other External Components Selection
        3. 8.2.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

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

4 Device Comparison Table

Part Number Package Typical Current Limit Spread Spectrum Operation Junction Temperature
TPS922052DMTR VSON (14) 3A Disabled -40°C to 125°C
TPS922052DRRR WSON (12) 3A Disabled -40°C to 125°C
TPS922052DYYR SOT-23-THN (14) 3A Disabled -40°C to 125°C
TPS922053DMTR VSON (14) 3A Enabled -40°C to 125°C
TPS922053DRRR WSON (12) 3A Enabled -40°C to 125°C
TPS922053DYYR SOT-23-THN (14) 3A Enabled -40°C to 125°C
TPS922054DMTR VSON (14) 6A Disabled -40°C to 125°C
TPS922054DRRR WSON (12) 6A Disabled -40°C to 125°C
TPS922054MDMTR VSON (14) 6A Disabled -55°C to 125°C
TPS922055DMTR VSON (14) 6A Enabled -40°C to 125°C
TPS922055DRRR WSON (12) 6A Enabled -40°C to 125°C
TPS922055MDMTR VSON (14) 6A Enabled -55°C to 125°C