SLVU719B May   2012  – November 2021 TPS53819A

 

  1.   Trademarks
  2. 1 Description
    1. 1.1 Typical Applications
    2. 1.2 Features
  3. 2 Electrical Performance Specifications
  4. 3 Schematic
  5. 4 Test Setup
    1. 4.1 Test and Configuration Software
      1. 4.1.1 Description
      2. 4.1.2 Features
    2. 4.2 Test Equipment
    3. 4.3 Recommended Test Setup
      1. 4.3.1 Input Connections
      2. 4.3.2 Output Connections
      3. 4.3.3 Other Connections
    4. 4.4 List of Test Points
    5. 4.5 Jumper Configuration: Enable Selection
  6. 5 EVM Configuration Using the Fusion GUI
    1. 5.1 Configuration Procedure
    2. 5.2 Default Fusion GUI Screenshots and Description
  7. 6 Test Procedure
    1. 6.1 Line and Load Regulation and Efficiency Measurement Procedure
    2. 6.2 Control Loop Gain and Phase Measurement Procedure
    3. 6.3 Equipment Shutdown
  8. 7 Performance Data and Typical Characteristic Curves
    1. 7.1  Efficiency
    2. 7.2  Load Regulation
    3. 7.3  Line Regulation
    4. 7.4  fSW Versus Load
    5. 7.5  Bode Plot
    6. 7.6  Transient Response
    7. 7.7  Output Ripple
    8. 7.8  Switching Node
    9. 7.9  Turn-On Waveform
    10. 7.10 Turn-Off Waveform
    11. 7.11 Pre-bias Turn-On Waveform
    12. 7.12 Thermal Images
  9. 8 EVM Assembly Drawing and PCB layout
  10. 9 Bill of Materials
  11. 10Revision History

5.1 Configuration Procedure

  1. Adjust the input supply to provide at least 4.25 V.
  2. Apply the input voltage to the EVM. Refer to Figure 4-3 for connections and test setup.
  3. Launch the Fusion GUI software. If prompted, select GUI scan mode to DEVICE_CODE only. Refer to Figure 5-1 for changing device scanning options. The software will recognize the TPS53819A device on the EVM and load the GUI.
  4. Configure the EVM operating parameters as needed.
CAUTION:

Some parameters can be configured, such as switching frequency, to values that can result in erratic or unexpected behavior on this EVM. Consult the TPS53819A 3-V to 28-V Input, 40-A, Eco-Mode™, D-CAP2™ Synchrons Buck Controller Data Sheet for guidance in configuration of parameters and impact on component selection.

GUID-036BA8FD-8F69-405B-95EE-5E356F25DCD5-low.gifFigure 5-1 Selection of Device Scan Options
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