SLUUCB4 June   2020 TPS25980

 

  1.   TPS25980EVM: Evaluation Module for TPS25980x efuse
    1.     Trademarks
    2. 1 Introduction
      1. 1.1 EVM Features
      2. 1.2 EVM Applications
    3. 2 Description
    4. 3 Schematic
    5. 4 General Configurations
      1. 4.1 Physical Access
      2. 4.2 Test Equipment and Set up
        1. 4.2.1 POWER SUPPLIES
        2. 4.2.2 METERS
        3. 4.2.3 OSCILLOSCOPE
        4. 4.2.4 LOADS
    6. 5 Test Setup and Procedures
      1. 5.1 Hot-Plug Test
      2. 5.2 Current Limit Test
      3. 5.3 Output Hot-Short Test
      4. 5.4 Wakeup into Short Test
      5. 5.5 Overvoltage Cut-off Test
    7. 6 EVAL Board Assembly Drawings and Layout Guidelines
      1. 6.1 PCB Drawings
    8. 7 Bill Of Materials (BoM)

5 Test Setup and Procedures

In this user guide, the test procedure is described for TPS259804O device. Following similar test steps, TPS259802O/3O/7O variants from TPS25980x family can also be evaluated.

Make sure the evaluation board has default jumper settings as shown in Table 6.

Table 6. Default Jumper Setting for TPS25980EVM eFuse Evaluation Board

J4 J6 J7 J8 J9 J10 J11 J12
Open 1-2 2-3 Install 3-4 5-6 Open 1-2
TPS25980 TPS259824OEVM-Setup.gifFigure 2. TPS25980EVM Setup with Test Equipment

Follow these instructions before starting any test and repeat again before moving to next test:

  • Set the power supply output (VIN) to zero volts.
  • Turn ON the power supply and set the power supply output (VIN) to 12 V, current limit = 20 A.
  • Turn OFF the power supply.
  • Set the jumper setting on EVM to default position as shown in Table 6.