SLUUCV9 November   2023 TPS4800-Q1

 

  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 Setup
    2. 2.2 General Configurations
      1. 2.2.1 Physical Access
      2. 2.2.2 Test Equipment and Setup
        1. 2.2.2.1 Power Supplies
        2. 2.2.2.2 Meters
        3. 2.2.2.3 Oscilloscope
        4. 2.2.2.4 Loads
  8. 3Implementation Results
    1. 3.1 Test Setup and Procedures
      1. 3.1.1 Power-Up With EN Control
      2. 3.1.2 ON and OFF Control With INP Input
      3. 3.1.3 Overload and Short Circuit Protection Test
      4. 3.1.4 Overvoltage Protection Test
      5. 3.1.5 Short-Circuit Protection Diagnosis Test
      6. 3.1.6 Input Reverse Polarity Test
  9. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layout
    3. 4.3 Bill Of Materials (BoM)
  10. 5Additional Information
    1.     Trademarks

3.1.1 Power-Up With EN Control

Use the following instructions to verify the power-up profile of TPS48000-Q1:

  1. Connect the EN/UVLO pin (TP5) to ground
  2. Now, enable the EN/UVLO to HIGH to verify the startup profile of BST, GATE and SRC
GUID-20231103-SS0I-NPZ3-ZSWK-H8NMXZ2WLDJW-low.pngFigure 3-2 Start-Up Profile of Bootstrap Voltage with INP = GND, CBST = 470 nF
GUID-20231103-SS0I-1QHH-VZXB-M04STMVZW3RS-low.pngFigure 3-3 Start-Up Profile with INP = HIGH, CBST = 470 nF