SLVUC35A May   2021  – August 2021 TPS25946

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 EVM Features
    2. 1.2 EVM Applications
  3. 2Description
  4. 3Schematic
  5. 4General 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. 5Test Setup and Procedures
    1. 5.1 Hot Plug Test
    2. 5.2 Startup With a Combination of Capacitive and Resistive Loads
    3. 5.3 Power-Up into Short Test
    4. 5.4 Overvoltage Lockout Test
    5. 5.5 Transient Overload Performance
    6. 5.6 Overcurrent Test
    7. 5.7 Output Hot Short Test
    8. 5.8 USB On-The-Go (OTG) Performance
  7. 6EVAL Board Assembly Drawings and Layout Guidelines
    1. 6.1 PCB Drawings
  8. 7Bill Of Materials (BOM)
  9. 8Revision History

5 Test Setup and Procedures

In this user's guide, the test procedure is described for TPS259460A and TPS259460L devices. Make sure the evaluation board has default jumper settings as shown in Table 5-1.

Table 5-1 Default Jumper Setting for TPS25946EVM eFuse Evaluation Board

J3

J4

J5

J6

J7

1-2

3-4

 3-4

7-8

 2-3
GUID-20210424-CA0I-FT9F-N9VV-NJ2TWKKRZ4S9-low.gif Figure 5-1 TPS25946EVM 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 of 10 A.
  • Turn OFF the power supply.
  • Set the jumper setting on EVM to default positions as shown in Table 5-1.