SLUUCZ1 July   2024 TPS546C25

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 Test Setup
      1. 2.1.1 Test and Configuration Software
        1. 2.1.1.1 Description
        2. 2.1.1.2 Features
      2. 2.1.2 Test Equipment
        1. 2.1.2.1 Voltage Source
        2. 2.1.2.2 Multimeters
        3. 2.1.2.3 Output Load
        4. 2.1.2.4 Oscilloscope
        5. 2.1.2.5 Fan
        6. 2.1.2.6 USB-to-GPIO Interface Adapter:
        7. 2.1.2.7 Recommended Wire Gauge
      3. 2.1.3 Tip and Barrel Measurement
      4. 2.1.4 List of Test Points, Jumpers, and Connectors
      5. 2.1.5 Configuring EVM to Overdrive VDRV
    2. 2.2 Best Practices
  9. 3Software
    1. 3.1 EVM Configuration Using the Fusion GUI
      1. 3.1.1 Configuration Procedure
    2. 3.2 Using the Fusion GUI
      1. 3.2.1 Opening the Fusion GUI
      2. 3.2.2 Changing ON_OFF_CONFIG
      3. 3.2.3 SMBALERT# Mask
      4. 3.2.4 All Config
      5. 3.2.5 Pin Strapping
      6. 3.2.6 Monitor
      7. 3.2.7 Status
  10. 4Implementation Results
    1. 4.1 Test Procedure
      1. 4.1.1 Line and Load Regulation and Efficiency Measurement Procedure
      2. 4.1.2 Efficiency Measurement Test Points
      3. 4.1.3 Control Loop Gain and Phase Measurement Procedure
    2. 4.2 Performance Data and Typical Characteristic Curves
      1. 4.2.1 Efficiency
      2. 4.2.2 Transient Response
      3. 4.2.3 Control Loop Bode Plot
      4. 4.2.4 Output Ripple
      5. 4.2.5 Control On
      6. 4.2.6 Control Off
      7. 4.2.7 Control On With Prebiased Output
      8. 4.2.8 Thermal Image
  11. 5Hardware Design Files
    1. 5.1 Schematic
    2. 5.2 EVM Assembly Drawing and PCB Layout
    3. 5.3 Bill of Materials
  12. 6Additional Information
    1. 6.1 Trademarks

2.1.4 List of Test Points, Jumpers, and Connectors

Table 3-1 lists the test point functions.

Table 2-1 Test Point Functions
Test Point Type Name Description
BOOT1 T-H Loop BOOT1 Test point connection to the BOOT pin
FB1 T-H Loop FB1 Test point connection to the VSEL/FB pin
TP1 SMB SW SMB connection to the SW node
TP2 SMB VOUT SMB connection to the Vout node
TP3 T-H Loop PVIN_SNS Kelvin sense connection to the PVIN
TP4 T-H Loop VO_EFF Connection for measuring efficiency
TP5 T-H Loop BODE-CH2 VOUT and BODE-CH2
TP6 T-H Loop PGND_SNS Kelvin sense connection to the PGND
TP7 T-H Loop VDRV Connection to the VDRV pin
TP8 T-H Loop SW Test point connection to the SW pin
TP9 T-H Loop VO_REG Connection for measuring regulation
TP10 T-H Loop EXTBIAS External Bias measurement point for the VDRV
TP11 T-H Loop PG Test point connection to the PGOOD pin
TP12 T-H Loop EN Test point connection to the EN pin
TP13 T-H Loop BODE-CH1 BODE-CH1
TP14 T-H Loop GND_REG Connection for measuring regulation
TP15 T-H Loop ALERT Connection to the SMB_ALERT
TP16 T-H Loop PGND_EFF Kelvin connection to the GND for efficiency measurement
TP17 SMB EN SMB connection for EN signal on J6
TP18 T-H Loop AGND Connection to AGND pour and AGND pin
TP19 T-H Loop GOSNS Connection to the GOSNS pin
VCC1 T-H Loop VCC1 Measurement point for the VCC
VOSNS1 T-H Loop VOSNS1 Connection to the VOSNS1 pin

Table 3-2 lists the EVM jumpers.

Table 2-2 Jumpers
Jumper Type Name Description
J5 Header, 2.54mm, 2x1, Gold, TH PG_PULLUP Connect RESET to pullup resistor default pins 1-2 shorted
J8 Header, 2.54mm, 12x2, Gold, TH MSEL2 Jumper for setting MSEL2 default pins 5-6 shorted
J9 Header, 2.54mm, 4x2, Gold, TH MSEL1 Jumper for setting MSEL1 default pins 3-4 shorted
J11 Header, 100mil, 7x2, Gold, TH VSEL Jumper for setting VSEL default pins 7-8 shorted
J13 Header, 2.54mm, 2x1, Gold, TH RESET Connect RESET to pullup resistor default pins 1-2 open
J15 Header, 2.54mm, 4x2, Gold, TH ADDR Jumper for setting ADDR default pins 1-2 shorted

Table 3-3 lists the options for the EN/UVLO pin selections on J6.

Table 2-3 J6 Selections
Shunt Position Selection
Pin 1 to 2 shorted PMBus adapter control signal
Pin 3 to 4 shorted Resistor divider to PVIN default pins 3-4 shorted

Table 3-4 lists the EVM connector functions.

Table 2-4 Connector Functions
Connector Type Name Description
J1 Header, 2.54mm, 2x1, Gold, TH VOUT Connect for differential probe with 100mil spacing
J2 Terminal Block, 5mm, 2-pole, Tin, TH VIN Connection for input voltage source. Maximum current rating = 24A
J3 Terminal Block, 60A, 10.16mm Pitch, 2-Pos, TH VOUT Connection for load, maximum current rating = 50A
J4 Terminal Block, 5mm, 2-pole, Tin, TH EXTBIAS Connection for external bias supply
J7 Card Edge Socket, 0.8mm, 10x2, SMT VOUT Connection for miniSlammer
J10 Card Edge Socket, 0.8mm, 10x2, SMT VOUT Connection for miniSlammer
J12 Header (shrouded), 100mil, 5x2, Gold, TH USB2GPIO Connection for USB2GPIO2
J14 1mm Uninsulated Shorting Plug, 10.16mm spacing, TH PGND Ground connection