SLVUCS1A july   2023  – august 2023 TPS7H2140-SEP

 

  1.   1
  2.   Description
  3.   Features
  4.   4
  5. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  6. 2Hardware
    1. 2.1 Connection Descriptions
      1. 2.1.1 Connectors
    2. 2.2 Variable Resistors for CS and CL
      1. 2.2.1 Current Sense Resistor
      2. 2.2.2 Current Limit Resistors
    3. 2.3 Open-Load Detection Pull-Up Resistors
    4. 2.4 Connecting Channels In Parallel
  7. 3Implementation Results
    1. 3.1 Separated Output Results
      1. 3.1.1 Power Up and Power Down
      2. 3.1.2 Enable and Disable
      3. 3.1.3 Current Sensing
      4. 3.1.4 Load Step Effects Across Output Channels
      5. 3.1.5 Overcurrent Protection
    2. 3.2 Modified Configuration Results
      1. 3.2.1 Short-to-GND (Fast-Trip) Overcurrent
  8. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials
  9. 5Additional Information
    1.     Trademarks
  10. 6Related Documentation
  11. 7Revision History

1.4 Device Information

The TPS7H2140-SEP is a quad-channel, 4.5 V to 32 V, 160-mΩ eFuse with an adjustable current limit and high accuracy current sense. Additionally, the TPS7H2140-SEP features short-to-GND protection, loss-of-GND protection, thermal overload protection, and inductive load negative voltage clamp. The device contains four N-channel MOSFETs for independent control of all four channels using a discrete enable signal for each output channel. The device supports diagnostic reporting with both digital status output and analog current sense report. Diagnostics can be disabled for multiplexing the sense pin between different devices. External programmable current limit improves the whole system’s reliability by limiting the inrush or overload current. Thermal shutdown behavior can be configured between latch off or auto-retry.