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)

4.1 Physical Access

Table 4-1 lists the TPS25961EVM eFuse Evaluation Board input and output connector functionality. Table 4-2 and Table 4-3 describe the test point availability and the jumper functionality. Table 4-4 describes the function of signal LEDs.

Table 4-1 Input and Output Connector Functionality

Channel

ConnectorLabelDescription
CH1J1VIN(+), PGND(–)Input of CH1
J5VOUT(+), PGND(–)Output of CH1
Table 4-2 Test Points Description

Channel

Test PointsLabelDescription

CH1

TP1

VIN

CH1 input voltage

TP2

VOUT

CH1 output voltage

TP3

EN/UVLOCH1 EN/UVLO signal

TP4

OVLOCH1 OVLO signal

TP5

ILMCH1 current limit

TP8

GND

CH1 IC GND signal

TP6,TP7

PGND

CH1 power GND signal
Table 4-3 Jumper Descriptions and Default Positions

Channel

JumperLabelDescription

Default Jumper Position

CH1

J3

ILM

1-2 position sets the current limit to 0.2 A

5-6

3-4 position sets the current limit to 0.47 A
5-6 position sets the current limit to 2 A
Open position sets the current limit to 0.1 A

J2

OVLO

1-2 position sets input OVLO threshold at fixed 5.9 V

Open

Open position sets input OVLO threshold at programmable 13.76 V

J4

J4

CH1 output power indicator LED pulled to VOUT, if installed

1-2

Table 4-4 LED Descriptions

LED

Description

D2

 CH1 output power indicator. LED turns on whenever the output voltage is available.