SLUUCV7 December   2023

 

  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 Loads
  8. 3Implementation Results
    1. 3.1 Test Setup and Procedures
      1. 3.1.1 Startup in Low Power Mode
      2. 3.1.2 State Transition (LPM to Active Mode through Load Wakeup Trigger)
      3. 3.1.3 State Transition (LPM to Active Mode with LPMb Trigger)
      4. 3.1.4 Inrush Current Limit Test
      5. 3.1.5 Overload and Short Circuit Protection 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 Startup in Low Power Mode

Use the following instructions to verify the power up profile of TPS12130-Q1

  1. Connect the EN/UVLO pin (TP4) to ground.
  2. Now, enable the EN/UVLO to HIGH to verify the startup profile of BST, G2 and SRC.
GUID-20231128-SS0I-JLFD-TNJS-GL8KKCHSFHD1-low.pngFigure 3-2 Start-Up Profile of Low Power Path (LPMb = Low, VIN= 12 V, No-load, CBST = 470 nF)