SLUUCU5 June   2024 TPS544C27

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
      1. 1.1.1 Before You Begin
    2. 1.2 Electrical Performance Specifications
    3. 1.3 Device Information
  8. 2Hardware
    1. 2.1 Test Equipment
      1. 2.1.1 Voltage Source
      2. 2.1.2 Oscilloscope
      3. 2.1.3 Multimeters
      4. 2.1.4 Output Load
      5. 2.1.5 Fan
      6. 2.1.6 USB-to-GPIO Interface Adapter:
      7. 2.1.7 Recommended Wire Gauge
    2. 2.2 List of Test Points, Jumpers, and Connectors
    3. 2.3 Efficiency Measurement Test Points
    4. 2.4 Control Loop Gain and Phase Measurement
    5. 2.5 External 5V bias to enhance efficiency
    6. 2.6 Input Current Measurement
  9. 3Software
    1. 3.1 Opening the PMBus Fusion GUI
    2. 3.2 Monitor Page
    3. 3.3 Status Page
  10. 4Performance Data and Typical Characteristics Curves
  11. 5Hardware Design Files
    1. 5.1 Schematics
    2. 5.2 PCB Layout
    3. 5.3 BOM
  12. 6Trademarks

4 Performance Data and Typical Characteristics Curves

Figure 5-1 through Figure 5-28 present typical performance curves for TPS544C27EVM. The input voltage is 12V, output voltage is 1V, unless otherwise noted.

TPS544C27 Efficiency, FCCM, Internal LDOFigure 4-1 Efficiency, FCCM, Internal LDO
TPS544C27 Efficiency, FCCM, External 5V BiasFigure 4-3 Efficiency, FCCM, External 5V Bias
TPS544C27 Efficiency, DCM. Internal LDOFigure 4-5 Efficiency, DCM. Internal LDO
TPS544C27 Efficiency, DCM, External 5V BiasFigure 4-7 Efficiency, DCM, External 5V Bias
TPS544C27 Load Regulation, FCCM, Internal LDOFigure 4-9 Load Regulation, FCCM, Internal LDO
TPS544C27 Load Regulation, DCM, Internal VCC LDOFigure 4-11 Load Regulation, DCM, Internal VCC LDO
TPS544C27 ENABLE Start-Up, 800kHz, 20A LoadFigure 4-13 ENABLE Start-Up, 800kHz, 20A Load
TPS544C27 Output Voltage Ripple, 600kHz FCCM, 35A LoadFigure 4-15 Output Voltage Ripple, 600kHz FCCM, 35A Load
TPS544C27 Output Voltage Ripple, FCCM, 800kHz, 0.5A LoadFigure 4-17 Output Voltage Ripple, FCCM, 800kHz, 0.5A Load
TPS544C27 Load Transient, FCCM, 0A to 15A Load Step, 1A/usFigure 4-19 Load Transient, FCCM, 0A to 15A Load Step, 1A/us
TPS544C27 Thermal Characteristics, 600kHz FCCM, Internal LDO, 35A Load, no airflow, soak 10 minutesFigure 4-21 Thermal Characteristics, 600kHz FCCM, Internal LDO, 35A Load, no airflow, soak 10 minutes
TPS544C27 Thermal Characteristics, 800kHz FCCM, Internal LDO, 35A Load, no airflow, soak 10 minutesFigure 4-23 Thermal Characteristics, 800kHz FCCM, Internal LDO, 35A Load, no airflow, soak 10 minutes
TPS544C27 Thermal Characteristics, 1MHz FCCM, Internal LDO, 35A Load, no airflow, soak 10 minutesFigure 4-25 Thermal Characteristics, 1MHz FCCM, Internal LDO, 35A Load, no airflow, soak 10 minutes
TPS544C27 Thermal Characteristics, 1.2MHz, FCCM, Internal LDO, 35A Load, no airflow, soak 10 minutesFigure 4-27 Thermal Characteristics, 1.2MHz, FCCM, Internal LDO, 35A Load, no airflow, soak 10 minutes
TPS544C27 Power Dissipation, FCCM, Internal LDOFigure 4-2 Power Dissipation, FCCM, Internal LDO
TPS544C27 Power Dissipation, FCCM, External 5V BiasFigure 4-4 Power Dissipation, FCCM, External 5V Bias
TPS544C27 Power Dissipation, DCM, Internal LDOFigure 4-6 Power Dissipation, DCM, Internal LDO
TPS544C27 Power Dissipation, DCM, External 5V BiasFigure 4-8 Power Dissipation, DCM, External 5V Bias
TPS544C27 Load Regulation, FCCM, External 5V BiasFigure 4-10 Load Regulation, FCCM, External 5V Bias
TPS544C27 Load Regulation, DCM, External 5V BiasFigure 4-12 Load Regulation, DCM, External 5V Bias
TPS544C27 ENABLE Shutdown, 800kHz, 20A loadFigure 4-14 ENABLE Shutdown, 800kHz, 20A load
TPS544C27 Output Voltage Ripple, 800kHz FCCM, 35A LoadFigure 4-16 Output Voltage Ripple, 800kHz FCCM, 35A Load
TPS544C27 Output Voltage Ripple, DCM, 800kHz, 0.5A LoadFigure 4-18 Output Voltage Ripple, DCM, 800kHz, 0.5A Load
TPS544C27 Bode Plot, FCCM, 800kHz, 35A LoadFigure 4-20 Bode Plot, FCCM, 800kHz, 35A Load
TPS544C27 Thermal Characteristics, 600kHz FCCM, External 5V Bias, 35A Load, no airflow, soak 10 minutesFigure 4-22 Thermal Characteristics, 600kHz FCCM, External 5V Bias, 35A Load, no airflow, soak 10 minutes
TPS544C27 Thermal Characteristics, 800kHz FCCM, External 5V Bias, 35A Load, no airflow, soak 10 minutesFigure 4-24 Thermal Characteristics, 800kHz FCCM, External 5V Bias, 35A Load, no airflow, soak 10 minutes
TPS544C27 Thermal Characteristics, 1MHz FCCM, External 5V Bias, 35A Load, no airflow, soak 10 minutesFigure 4-26 Thermal Characteristics, 1MHz FCCM, External 5V Bias, 35A Load, no airflow, soak 10 minutes
TPS544C27 Thermal Characteristics, 1.2MHz, FCCM, External 5V Bias, 35A Load, no airflow, soak 10 minutesFigure 4-28 Thermal Characteristics, 1.2MHz, FCCM, External 5V Bias, 35A Load, no airflow, soak 10 minutes