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  • 48 V–12 V GaN-Enabled 1.1 kW 1/8th Brick Power Module Reference Design Using C2000™

    • TIDT376 December   2023

       

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  • 48 V–12 V GaN-Enabled 1.1 kW 1/8th Brick Power Module Reference Design Using C2000™
  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Dimensions
    3. 1.3 Test Setup
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Data
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Start-Up Sequence
  8. IMPORTANT NOTICE
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Test Report

48 V–12 V GaN-Enabled 1.1 kW 1/8th Brick Power Module Reference Design Using C2000™

Description

This reference design is a 1.1-kW, high-density, 48-V to 12-V open-loop bus converter. The design achieves 97.7% efficiency and is implemented with TI's high-performance gallium nitride (GaN) switches. An integrated printed wiring board (PWB) transformer is utilized to minimize size and maximize efficiency. The control is implemented with a F2800157QRHBRQ1 high-performance microcontroller in a 32-pin QFN package.

Features

  • Efficiency 97.7%
  • 1-MHz switching frequency
  • Power density 1300 W/in3 (without connector)
  • Total thickness without heat sink 10 mm

 
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