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

3.1.6 Input Reverse Polarity Test

Use the following instructions to test the input reverse polarity protection:

  1. Set the jumper setting on EVM to default position as shown in 3.
  2. Set the input supply voltage VIN to 60 V and current limit of 10 A.
  3. Connect the power supply positive to J4 and power supply negative to J1. The power supply is now connected in reverse polarity at the input of TPS48000-Q1
  4. Enable the power supply.
  5. Observe the waveform at VOUT (TP4) with an oscilloscope.
GUID-20231103-SS0I-ST1Q-GXFP-6JRDM5NFKMHJ-low.png Figure 3-12 Input Reverse Polarity Protection of TPS48000-Q1 Device