SLVSCC6A March   2014  – June 2014 TPS2561A-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Functions and Configurations
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 Handling Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Overcurrent Conditions
      2. 9.3.2 FAULTx Response
      3. 9.3.3 Thermal Sense
    4. 9.4 Device Functional Mode
      1. 9.4.1 Undervoltage Lockout (UVLO)
      2. 9.4.2 Enable (ENx)
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Current Limit
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Determine Design Parameters
          2. 10.2.1.2.2 Programming the Current-Limit Threshold
          3. 10.2.1.2.3 Designing Above a Minimum Current Limit
          4. 10.2.1.2.4 Designing Below a Maximum Current Limit
          5. 10.2.1.2.5 Accounting for Resistor Tolerance
          6. 10.2.1.2.6 Power Dissipation and Junction Temperature
          7. 10.2.1.2.7 Auto-Retry Functionality
          8. 10.2.1.2.8 Two-Level Current-Limit Circuit
      2. 10.2.2 Application Curves
  11. 11Power Supply Requirements
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Trademarks
    2. 13.2 Electrostatic Discharge Caution
    3. 13.3 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

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

5 Device Comparison Table

DEVICE MAXIMUM OPERATING CURRENT (A) OUTPUTS ENABLES TYPICAL RDS(on) (mΩ) PACKAGE
TPS2556-Q1 5 1 Active-low 22 SON-8 (DRB)
TPS2557-Q1 5 1 Active-high 22 SON-8 (DRB)
TPS2561A-Q1 2.5 2 Active-high 44 SON-10 (DRC)