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  • TPS1689 Evaluation Module for eFuse

    • SLVUD44 March   2025 TPS1689

       

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  • TPS1689 Evaluation Module for eFuse
  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 General Configurations
      1. 2.1.1 Physical Access
      2. 2.1.2 Test Equipment and Setup
        1. 2.1.2.1 Power supplies
        2. 2.1.2.2 Meters
        3. 2.1.2.3 Oscilloscope
        4. 2.1.2.4 USB-to-GPIO Interface Adapter
        5. 2.1.2.5 Loads
  8. 3Implementation Results
    1. 3.1 Test Setup and Procedures
      1. 3.1.1 Hot Plug
      2. 3.1.2 Start-up With Enable
      3. 3.1.3 Power Up Into Short
      4. 3.1.4 Undervoltage Lockout
      5. 3.1.5 Overvoltage Lockout
      6. 3.1.6 Overcurrent Event
      7. 3.1.7 Output Hot Short
      8. 3.1.8 Thermal Performance of TPS1689EVM
  9. 4Using the TPS1689EVM-GUI
    1. 4.1 Access the TPS1689EVM-GUI
    2. 4.2 Introduction to the TPS1689EVM-GUI
    3. 4.3 Establishing Communication Between the EVM and GUI
    4. 4.4 Quick Info
    5. 4.5 Configuration
    6. 4.6 Telemetry
    7. 4.7 Register Map Page
  10. 5Hardware Design Files
    1. 5.1 Schematic
    2. 5.2 PCB Drawings
    3. 5.3 Bill Of Materials (BOM)
  11.   Trademarks
  12. IMPORTANT NOTICE
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EVM User's Guide

TPS1689 Evaluation Module for eFuse

Description

The TPS1689EVM is used to evaluate the performance of the TPS1689 eFuse device. The TPS1689EVM comes with 1 TPS16890 eFuse and 1 TPS16851 connected in parallel to evaluate a 54V (typical) and 40A (steady state) design. This evaluation module incorporates 1 TPS16890 device in parallel with 1 TPS16851, which supports a 2kW input power path protection design at an input voltage of 48V. The TPS1689EVM enables the evaluation of TPS1689 eFuse by communicating with the TPS1689EVM-GUI using the USB-TO-GPIO2 USB interface adapter evaluation module.

Features

TPS1689EVM comes with one TPS16890 eFuse and one TPS16851 eFuse connected in parallel to evaluate a 54V (typical) and 40A (steady-state) design. General TPS1689EVM eFuse evaluation board features include:

  • 40V to 54V (typical) operation
  • 25A and 44A programmable circuit breaker threshold using on-board jumpers
  • Adjustable reference voltage (VIREF) for overcurrent, short-circuit protection, and active current sharing blocks through VIREF (32h) register
  • Adjustable output voltage slew rate control both in hardware and firmware
  • Adjustable transient current blanking timer in firmware through OC_TIMER (14h) register
  • Adjustable active current sharing threshold using on-board jumpers
  • TVS diode for input and Schottky diode for output transient protections
  • LED status for power good and fault indications
  • Options to engage the power cycle and the quick output discharge (QOD) using EN/UVLO pin
  • PMBus interface with the TPS1689EVM-GUI using the USB-TO-GPIO2 USB interface adapter evaluation module
  • Option to interface an external EEPROM with TPS1689 for indefinite configuration of the eFuse and Blackbox fault recording

Applications

This EVM can be used on the following applications:

  • Input hotswap and hotplug
  • Server and high performance computing
  • Network interface cards
  • Graphics and hardware accelerator cards
  • Data center switches and routers
  • Fan trays
  • Switches and routers

 
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