Compact, Single-Channel, Isolated SiC and IGBT Gate Driver Reference Design for UPS and Inverters
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Key Document


This Silicon Carbide (SiC) FET and IGBT gate driver reference design is a blueprint to drive the power stages of UPS, AC inverter, and electric vehicle charge pile (EV charging station) applications. The design is based on TI’s UCC53xx 3-kVRMS basic isolated gate drivers to drive high- and low-side FETs. The reference design contains a compact, built-in, 1.5W, isolated fly buck auxiliary power supply for powering the input and output of the gate driver. By combining the isolated gate driver and isolated gate driver power supply in a compact board with a form factor of 33 mm × 23 mm.  This design provides a fully tested, robust, independent, easy to validate, single-channel driver solution, capable of withstanding > 100 kV/μs Common-Mode Transient Immunity (CMTI).

  • Suited for single phase and three phase inverters,mid and high voltage power converters (100VAC to 230 VAC)
  • 0.5A/2A/6A/10A source and sink current suits driving MOSFET/ IGBT/SiC-FET with currents up to 100A and operating frequencies up to 500-Khz
  • Protection against spurious turn-on/off of IGBT/FET during power on and power off sequence
  • 4000 VPK and 2500-VRMS isolation barrier
  • Driver solution validated and meets high Common Mode Transient Immunity (CMTI) of > 100 kV/μs
  • Built-in low cost, low component, compact isolated supply to power high-voltage side circuit with negative bias for noise immunity

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Schematic/Block Diagram

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Design Guide

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Design Files

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM25017  7.5-48V Wide Vin, 650mA Constant On-Time Synchronous Buck Regulator  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC5320  2-A/2-A, 3-k/5-kVRMS single-channel isolated gate driver with 12-V UVLO, bipolar supply  Gate drivers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM25017 Download Download
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UCC5320 Download
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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 5997 28 Jun 2017
Design files (6)
Title Type Size (KB) Date
ZIP 447 28 Jun 2017
ZIP 1418 28 Jun 2017
PDF 304 28 Jun 2017
PDF 74 28 Jun 2017
PDF 26 28 Jun 2017
PDF 234 28 Jun 2017

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