SLUUCV8 October   2023 TPS4810-Q1

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 Overview
    2. 2.2 General Configurations
      1. 2.2.1 Physical Access
      2. 2.2.2 Test Equipment and Setup
        1. 2.2.2.1 Power Supplies
        2. 2.2.2.2 Meters
        3. 2.2.2.3 Oscilloscope
        4. 2.2.2.4 Loads
  8. 3Implementation Results
    1. 3.1 Test Setup and Procedures
      1. 3.1.1 Power-up with EN Control
      2. 3.1.2 Overload and Short Circuit Protection Test
      3. 3.1.3 Short-Circuit Protection Diagnosis Test
      4. 3.1.4 Input Reverse Polarity Test
  9. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layout
    3. 4.3 Bill Of Materials (BoM)
  10. 5Additional Information
    1.     Trademarks

2.2.1 Physical Access

Table 3-2 lists the TPS48111Q1EVM Evaluation Board input and output connector functionality. Table 3-3 and Table 3-4 describe the test point availability and the jumper functionality.

Table 2-2 Input and Output Connector Functionality
ConnectorLabelDescription
T1VINPower input connector to the positive rail of the input power supply
T4PGNDGround connection for the power supply
T2VOUTPower output connector to the positive side of the load
T3PGNDGround connection for the load
Table 2-3 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
TP4 GATE GATE of the external Main MOSFET
TP5 G2 GATE of the charging MOSFET
TP6 TP6 Voltage sense node for FET diagnosis
TP7 INP1 Control input of external discharge FET
TP8 INP2 Control input of external charge FET
TP9 SCP_TEST Internal short circuit comparator (SCP) diagnosis input.
TP10 INP1/ Inversion of control input for external discharge FET
TP11 INP2/ Inversion of control input external charge FET
TP12 TMR Fault timer voltage
TP13 VAUX Auxiliary supply to bias the LEDs
TP14 RS+ Positive terminal of current sense input
TP15 RS- Negative terminal of current sense input
TP16, TP17 PGND Power Ground
TP18 GND Ground
TP19 FLT Fault output
Table 2-4 Jumper and LED Descriptions
JumperLabelDescription
J1SCP_TEST

Internal short circuit comparator (SCP) diagnosis input.

1-2 Position disables the diagnosis function.

J2TMRShort-circuit protection delay setting.
1-2 Position sets 1 ms delay.
3-4 Position sets 10 ms delay.
5-6 Position sets the controller in Latch-off mode.
J3ISCPShort circuit protection threshold setting.
1-2 Position sets 20 A.
3-4 Position sets 30 A.
5-6 Position sets 50 A.
J4CS_SELCurrent sense input selection.
1-2 Position selects high-side current sensing.
2-3 Position selects low-side current sensing.
D3
(RED – LED)		D3Fault indicator. LED turns ON for under-voltage fault, short-circuit fault, charge pump UVLO and during SCP comparator diagnosis.