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

1.2 Electrical Performance Specifications

Table 2-1 provides a summary of the TPS544C27EVM performance characteristics. The characteristics are given for an input voltage of VIN = 12V and output voltage of 1V. The ambient temperature is room temperature (20°C to 25°C) for all measurements, unless otherwise specified.

Table 1-1 TPS544C27EVM Electrical Performance Specifications
Parameter Test Conditions MIN TYP MAX Unit
Input voltage range 8 12 16 V
Full load input current PVIN = 12V, internal VCC/VDRV, IO = 35A, FCCM, fSW=800kHz 3.46 A
No load input current PVIN = 12V, internal VCC/VDRV, IO = 0A, DCM, fSW=800kHz 9.5 mA
VCC/VDRV input current External 5V bias, fSW = 800kHz, PVIN = 12V, IO = 35A, FCCM 38 mA
Output voltage 1 V
Output current range 0 35 A
Output ripple voltage fSW = 800kHz, IO = 35A 6 mVPP
Output load requaltion fSW = 800kHz, IO = 0A-35A, FCCM 0.15 %
Output voltage undershoot fSW = 800kHz, IO = 0A-15A, 1A/us slew rate, FCCM 13.3 mV
Output voltage overshoot fSW = 800kHz, IO = 0A-15A, 1A/us slew rate, FCCM 11.7 mV
Output rise time Set by (61h) TON_RISE 1 ms
Output current limit Set by (46h) IOUT_OC_FAULT_LIMIT 40 A
Switching frequency (fSW) Set by (33h) FREQUENCY_SWITCH 600 800 1200 kHz
Efficiency VIN = 12V, external 5V Bias, fSW = 800kHz, IO = 35A 86.1 %
Loop bandwidth VIN = 12V, Internal LDO, fSW = 800kHz, IO = 35A 109.5 kHz
Phase margin VIN = 12V, Internal LDO, fSW = 800kHz, IO = 35A 53.9 Deg
IC case temperature VIN = 12V, external 5V bias, fSW = 800kHz, IO = 35A, 10-minute dwell time 88 °C