SLVSFL4 June   2020 TPS2124

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Application
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin 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 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Input Settling Time and Output Soft Start Control (SS)
        1. 8.3.1.1 Slew Rate vs. CSS Capacitor
      2. 8.3.2 Active Current Limiting (ILM)
      3. 8.3.3 Short-Circuit Protection
      4. 8.3.4 Thermal Protection (TSD)
      5. 8.3.5 Over-voltage Protection (OVx)
      6. 8.3.6 Fast Reverse Current Blocking (RCB)
      7. 8.3.7 Input Voltage Comparator (VCOMP)
    4. 8.4 TPS2124 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Manual Switchover Schematic
      2. 9.2.2 Design Requirements
      3. 9.2.3 Detailed Design Description
      4. 9.2.4 Design Procedure
        1. 9.2.4.1 Selecting OVx Resistors
        2. 9.2.4.2 Selecting Soft-Start Capacitor and Current Limit Resistors
      5. 9.2.5 Application Curves
    3. 9.3 Highest Voltage Operation (VCOMP)
      1. 9.3.1 Application Schematic
      2. 9.3.2 Design Requirements
      3. 9.3.3 Detailed Design Description
      4. 9.3.4 Detailed Design Procedure
      5. 9.3.5 Application Curves
    4. 9.4 Reverse Polarity Protection with TPS2124
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 Support Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

1 Features

  • Wide operating range: 2.8 V to 22 V
    • Absolute maximum input voltage of 24 V
  • Low RON resistance:
    • TPS2124: 62 mΩ (typical)
  • Adjustable over-voltage supervisor (OVx):
    • Accuracy < ±5%
  • Adjustable priority supervisor (PR1):
    • Accuracy < ±5%
  • Output current limit (ILM):
    • TPS2124: 1 A – 2.5 A
  • Channel status indication (ST)
  • Adjustable input settling time (SS)
  • Adjustable output soft start time (SS)
  • Low IQ from enabled input: 200 µA (typical)
  • Low IQ from disabled input: 15 µA (Typical)
  • Manual input source selection (OVx)
  • Over-temperature protection (OTP)