SLVUCK3 December   2022 TPS25961

 

  1.   TPS25961EVM: Evaluation Module for TPS25961 eFuse
  2.   Trademarks
  3. 1Introduction
    1. 1.1 EVM Features
    2. 1.2 EVM Applications
  4. 2Description
  5. 3Schematic
  6. 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
  7. 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
  8. 6EVAL Board Assembly Drawings and Layout Guidelines
    1. 6.1 PCB Drawings
  9. 7Bill of Materials (BOM)

5.2 Overcurrent Test

Use the following instructions to perform the overcurrent test on the TPS25961 eFuse:

  1. Set the input supply voltage VIN to 12 V and current limit of 2 A and enable the power supply.
  2. Place jumper J3 in suitable position to set the required current limit as per Table 4-3.
  3. Apply an overload greater than the set current limit between VOUT and GND. (While testing current limit , use a resistive load to apply over current).

Figure 5-3 shows an example of the overcurrent test on the TPS25961EVM.

Figure 5-3 Overcurrent Response of TPS25961 for 2-A Current Limit Setting
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