SLVSDO6C August   2017  – June 2019 TPS1H000-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Block Diagram
      2.      Current-Limit Protection in Auto-Retry Mode
  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 Switching Characteristics
    7. 6.7 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 Current Limit
      2. 7.3.2 DELAY Pin Configuration
        1. 7.3.2.1 Holding Mode
        2. 7.3.2.2 Latch-Off Mode
        3. 7.3.2.3 Auto-Retry Mode
      3. 7.3.3 Standalone Operation
      4. 7.3.4 Fault Truth Table
      5. 7.3.5 Full Diagnostics
        1. 7.3.5.1 Short-to-GND and Overload Detection
        2. 7.3.5.2 Open-Load Detection
          1. 7.3.5.2.1 Output On
          2. 7.3.5.2.2 Output Off
        3. 7.3.5.3 Short-to-Battery Detection
        4. 7.3.5.4 Thermal Fault Detection
          1. 7.3.5.4.1 Thermal Shutdown
          2. 7.3.5.4.2 Thermal Swing
          3. 7.3.5.4.3 Fault Report Holding
      6. 7.3.6 Full Protections
        1. 7.3.6.1 UVLO Protection
        2. 7.3.6.2 Inductive Load Switching Off Clamp
        3. 7.3.6.3 Loss-of-GND Protection
        4. 7.3.6.4 Loss-of-Power-Supply Protection
        5. 7.3.6.5 Reverse-Current Protection
        6. 7.3.6.6 MCU I/O Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Working Modes
        1. 7.4.1.1 Normal Mode
        2. 7.4.1.2 Standby Mode
        3. 7.4.1.3 Standby Mode With Diagnostics
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

8.2.3 Application Curves

The following curves are test examples of hard short conditions. The load is 0.1 A and the current limit value is 0.5 A. Figure 34 shows a waveform of the latch-off mode. Figure 35 shows a waveform of the auto-retry mode.

TPS1H000-Q1 Application-Curve1.gif
Load = 0.1 A Current limit = 0.5 A
Figure 34. Hard-Short Condition in Latch-Off Mode
TPS1H000-Q1 Application-Curve2.gif
Load = 0.1 A Current limit = 0.5 A
Figure 35. Hard-Short Condition in Auto-Retry Mode