SLUU535A September   2011  – January 2022 TPS40400

 

  1. 1 Introduction
  2. 2 Description
    1. 2.1 Typical Applications
    2. 2.2 Features
  3. 3 Electrical Performance Specifications
  4. 4 Schematic
  5. 5 Test Setup
    1. 5.1 Test and Configuration Software
      1. 5.1.1 Description
      2. 5.1.2 Features
    2. 5.2 Test Equipment
      1. 5.2.1 Voltage Source
      2. 5.2.2 Multimeters
      3. 5.2.3 Output Load
      4. 5.2.4 Oscilloscope
      5. 5.2.5 Fan
      6. 5.2.6 Recommended Wire Gauge
    3. 5.3 Recommended Test Setup
    4. 5.4 USB Interface Adapter and Cable
      1. 5.4.1 Input Connections
      2. 5.4.2 Output Connections
      3. 5.4.3 Jumper Connections, JP1 and JP2
      4. 5.4.4 Jumper Configurations
  6. 6 EVM Configuration Using the Fusion GUI
    1. 6.1 Configuration Procedure
    2. 6.2 Fusion GUI Screenshots
  7. 7 Test Procedure
    1. 7.1 Line/Load Regulation and Efficiency Measurement Procedure
    2. 7.2 Control Loop Gain and Phase Measurement Procedure
    3. 7.3 List of Test Points
    4. 7.4 Equipment Shutdown
  8. 8 Performance Data and Typical Characteristic Curves
    1. 8.1  Efficiency
    2. 8.2  Load Regulation
    3. 8.3  Load Transients 1
    4. 8.4  Load Transient 2
    5. 8.5  Load Transient 3
    6. 8.6  Input and Output Ripple
    7. 8.7  Switch Node and HDRV
    8. 8.8  VIN Turn On
    9. 8.9  Enable ON / OFF
    10. 8.10 Turn ON with 92% (1.1V) Pre-bias
    11. 8.11 TPS40400EVM-351 Bode Plot (20-A output)
  9. 9 EVM Assembly Drawing and PCB Layout
  10. 10List of Materials
  11. 11Revision History

6.2 Fusion GUI Screenshots

GUID-25921F5B-A070-4F3B-BC85-A95F861C5073-low.gifFigure 6-1 Screenshot 1: First Screen Upon Launching Fusion Software (Version may not match)
GUID-4E3EE64F-98FC-4BB5-A68F-A6F9614DA5A1-low.gifFigure 6-2 Screenshot 2: Fusion Successfully Recognizes the Device on EVM
GUID-F7E20AAB-63B0-4826-8DE1-181E917F639F-low.gifFigure 6-3 Screenshot 3: First Functional Screen, Configure Screen
Note:

Most of these parameters are configurable. Consult the datasheet for the TPS40400 for details on how to configure the device to achieve the desired performance.

CAUTION:

Some parameters can be configured to values that can result in erratic or unexpected behavior on this EVM. Consult the TPS40400 datasheet for guidance in configuration of parameters.

GUID-B30612B2-A150-4A63-99D6-2AE9D5D91B57-low.gifFigure 6-4 Screenshot 4: “Monitor” Screen