SLUUD52 August   2024 TPS544E27

 

  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 Kit Contents
    3. 1.3 Specifications
    4. 1.4 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. 4Implementation Results
    1. 4.1 Performance Data and Typical Characteristics Curves
  11. 5Hardware Design Files
    1. 5.1 Schematic
    2. 5.2 PCB Layout
    3. 5.3 Bill of Materials
  12. 6Additional Information
    1. 6.1 Trademarks

1.3 Specifications

Table 1-1 provides a summary of the TPS544E27EVM 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 TPS544E27EVM Electrical Performance Specifications
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
Input voltage range81216V
Full load input currentPVIN = 12V, internal VCC/VDRV, IO = 40A, FCCM, fSW = 800kHz3.86A
No load input currentPVIN = 12V, internal VCC/VDRV, IO = 0A, DCM, fSW = 800kHz9.67mA
VCC/VDRV input currentExternal 5V bias, fSW = 800kHz, PVIN = 12V, IO = 40A, FCCM38.6mA
Output voltage 1V
Output current range040A
Output ripple voltagefSW = 800kHz, IO = 40A6mVPP
Output load regulationfSW = 800kHz, IO = 0A-40A, FCCM0.11%
Output voltage undershootfSW = 800kHz, IO = 0A – 20A, 2A/us slew rate, FCCM24.1mV
Output voltage overshootfSW = 800kHz, IO = 0A – 20A, 2A/us slew rate, FCCM29.2mV
Output rise timeSet by (61h) TON_RISE0.5ms
Output current limitSet by (46h) IOUT_OC_FAULT_LIMIT50A
Switching frequency (fSW)Set by (33h) FREQUENCY_SWITCH6008001200kHz
EfficiencyVIN = 12V, external 5V Bias, fSW = 800kHz, IO = 40A87.5%
Loop bandwidthVIN = 12V, Internal LDO, fSW = 800kHz, IO = 40A105.8kHz
Phase marginVIN = 12V, Internal LDO, fSW = 800kHz, IO = 40A54.8Deg
IC case temperatureVIN = 12V, external 5V bias, fSW = 800kHz, IO = 40A, 10 minute dwell time91°C