SLUUCK8A December   2021  – December 2022 TPS4811-Q1

 

  1.   TPS48111Q1EVM: Evaluation Module for Smart High-Side Driver TPS48111-Q1
  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 Pre-charging Functional Test
    2. 5.2 Power-Up With EN Control
    3. 5.3 ON and OFF Control With INP Input
    4. 5.4 Overcurrent Protection Test
    5. 5.5 Output Hot-Short 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 TPS48111Q1EVM 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
T1VINPower input connector to the positive rail of the input power supply

T4

PGNDGround connection for the power supply

T2

VOUTPower output connector to the positive side of the load

T3

PGNDGround connection for the load
Table 4-2 Test Points Description
Test Points Label Description
TP1 VIN Input power supply to the EVM
TP2 VOUT Output from the EVM
TP3 EN/UVLO Enable control (active high) and undervoltage input
TP5

GATE

 GATE of the external main MOSFET
TP6

INP

 Control input of main MOSFET
TP7

INP/

 Inversion of control input for main MOSFET
TP8

TMR

 Fault timer voltage
TP9

VAUX

 Auxiliary supply to bias fault LEDs
TP10 IMON Load current monitor
TP11 FLT_I/ Overcurrent fault output
TP12 FLT_T/ Overtemperature fault output
TP13 RS+ Positive terminal of current sense input
TP14 RS– Negative terminal of current sense input
TP15,

TP16, TP17, TP18

GND

 GND
TP24 INP_G Control input of pre-charge MOSFET
TP25

G

 GATE of the pre-charge MOSFET
TP26 INP_G/ Inversion of control input for pre-charge MOSFET
Table 4-3 Jumper and LED Descriptions
Jumper Label Description
J1 TMR

Fault timer setting


1-2 position sets 15-ms delay
3-4 position sets 150-ms delay
5-6 position sets the controller in latch-off mode
J2 IMON Current scale setting
1-2 position sets 0.09 V/A
3-4 position sets 0.034 V/A
J3 IWRN Overcurrent protection threshold setting
1-2 position sets RIWRN to short and disables the overcurrent protection
3-4 position sets 5 A
5-6 position sets 15 A
7-8 position sets 50 A
D4
(RED – LED)		 D4 Fault indicator. LED turns on for overcurrent fault.
D5
(RED – LED)

D5

 Fault indicator. LED turns on for overtemperature fault.