SLVUCH1A June   2022  – December 2022 TPS1641

 

  1.   TPS1641EVM: Evaluation Module for eFuse TPS1641
  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 Power Limit Test
    3. 5.3 Current Limit Test
    4. 5.4 Overvoltage Protection Test
    5. 5.5 Output Hot-Short Test
    6. 5.6 IN to OUT Short Detection Test
  8. 6EVAL Board Assembly Drawings
    1. 6.1 PCB Drawings
  9. 7Bill of Materials (BOM)
  10. 8Revision History

4.1 Physical Access

Table 4-1 lists the TPS1641EVM Evaluation Board input and output connector functionality. Table 4-2 and Table 4-3 describe the test point availability and the jumper functionality.

Table 4-1 Input and Output Connector Functionality
ConnectorLabelDescription
T1

VIN1(+), PGND(–)

CH1 input power supply to the EVM

T2

VOUT1(+), PGND(–)

CH1 output from the EVM

T3

VIN2(+), PGND(–)CH2 input power supply to the EVM

T4

VOUT2(+), PGND(–)

CH2 output from the EVM

Table 4-2 Test Points Description
Test PointsLabelDescription

TP1

VIN1

Input power supply of CH1 to the EVM

TP2

VOUT1

Output from the EVM of CH1

TP3

OVP1

OVP of CH1

TP4

EN1

Enable control (active high) and undervoltage input of CH1

TP5

FLTb1

Fault output of CH1

TP6, TP7, TP12, TP13

PGND

System ground

TP8

VIN2

Input power supply of CH2 to the EVM

TP9

VOUT2

Output from the EVM of CH2

TP10

OVP2

OVP of CH2

TP11

EN2

Enable control (active high) and undervoltage input of CH2

TP14

FLTb2

Fault output of CH2

TP15, TP16

GND

Device ground

Table 4-3 Jumper and LED Descriptions
JumperLabelDescription

J1

FET Short

Default position: OPEN. Install to emulate FET short.

J2Vin Select

Jumper to select the source; Default position: 2-3


1-2 position selects Vin2
2-3 position selects Vin1

J3

J3

CH1 bulk output capacitor connects to VOUT1, if installed.
J4PDLY

Sets blanking time for power limiting


1-2 position sets 5 ms delay
3-4 position sets 50 ms delay
J5

J5

Power limit setting


1-2 position sets 4 W
3-4 position sets 13.7 W
5-6 position sets 38 W

J6

J6

Not used

J7, J14J7, J14

Overcurrent protection setting


1-2 position sets 2.23 A
3-4 position sets 1.01 A
5-6 position sets 0.5 A
J8J8Shorts FLTb1 and FLTb2 if installed
J9FET Short

Default position: OPEN. Install to emulate FET short.

J10J10CH2 bulk output capacitor connects to VOUT2, if installed.
J11IDLY

Sets blanking time for current limiting


1-2 position sets 5-ms delay
3-4 position sets 50-ms delay
J12J12

Not used

J13J13

Current limit setting


1-2 position sets 30 mA
3-4 position sets 1 A
5-6 position sets 1.8 A

J15

J15

Jumper to set fast turn-ON for Q1

D2
(RED – LED)		D2

Fault indicator. LED turns on for fault.