SLVUCK4A march   2023  – july 2023 TPS25948

 

  1.   1
  2.   TPS25948EVM: Evaluation Module for TPS25948 eFuse
  3.   Trademarks
  4. 1Introduction
    1. 1.1 EVM Features
    2. 1.2 EVM Applications
  5. 2Description
  6. 3Schematic
  7. 4General Configurations
    1. 4.1 Physical Access
    2. 4.2 Test Equipment and Setup
      1. 4.2.1 Power Supplies
      2. 4.2.2 Meters
      3. 4.2.3 Oscilloscope
      4. 4.2.4 Loads
  8. 5Test Setup and Procedures
    1. 5.1 Hot-Plug Test
    2. 5.2 Overcurrent Test
    3. 5.3 Output Hot-Short Test
    4. 5.4 Wakeup into Short Test
    5. 5.5 Overvoltage Test
    6. 5.6 Priority Power Mux Test
  9. 6EVAL Board Assembly Drawings and Layout Guidelines
    1. 6.1 PCB Drawings
  10. 7Bill Of Materials (BOM)
  11. 8Revision History

5 Test Setup and Procedures

In this user's guide section, the test procedure is described for TPS25948EVM testing.

Make sure the evaluation board has default jumper settings as shown in Table 5-1.

Table 5-1 Default Jumper Setting for TPS25948EVM eFuse Evaluation Board
J7J4J3J8J5J6J9J14J18J20J19J15J16J17
3-41-21-23-43-47-82-31-23-42-33-43-47-8open
GUID-20230628-SS0I-GVHJ-2G7X-9R4QZNDL44QS-low.svgFigure 5-1 TPS25948EVM Setup with Test Equipment

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

  1. Set the power supply output (VIN) to zero volts.
  2. Turn ON the power supply and set the power supply output (VIN) to 12 V, current limit = 9 A.
  3. Turn OFF the power supply.
  4. Set the jumper setting on EVM to default position as shown in Table 5-1.