Reinforced Isolated IGBT Gate Drive Flyback Power Supply with 8 Outputs Reference Design
TIDA-00182
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Key Document

Description

This reference design provides reinforced isolated positive and negative voltage rails required for Insulated Gate Bipolar Transistor (IGBT) gate drivers from a single 24-volt DC input supply. Utilizing a flyback isolated control topology, this reference design provides isolation compliant to IEC61800-5, and generates power rails for all three arms of the 3-phase inverter from a single transformer. The output power is currently set at 2W/IGBT but can be scaled up for higher power IGBTs by changing the transformer design.

Features
  • Isolated power supply supporting 6 IGBT gate drivers for 3 arms of inverter (Each arm in Half-Bridge Configuration)
  • Operates with pre-regulated 24V
  • Two reinforced, low-ripple (<200mV) outputs for each IGBT driver: +16V (x2) & -8V (x2)
  • Output power: 2W per IGBT and scalable to support higher power IGBTs
  • Output capacitors rated to support up to 6A peak gate drive current
  • Option to shut down the power supply to facilitate Safe Torque Off (STO) feature
  • Designed to comply with IEC61800-5

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD19533Q5A  100V, N ch NexFET MOSFET™, single SON5x6, 9.5mOhm  MOSFETs  Sample & Buy Not Available
UCC28701  Constant-Voltage, Constant-Current PWM With Primary-Side Regulation  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD19533Q5A VSONP (DQJ)| 8 Download
UCC28701 Download

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Technical Documents

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Application notes (2)
Title Type Size (KB) Date
PDF 7246 06 Jul 2015
PDF 115 12 Mar 2015
User guides (1)
Title Type Size (KB) Date
PDF 10061 25 Aug 2014
Design files (6)
Title Type Size (KB) Date
ZIP 323 18 Sep 2014
ZIP 2745 18 Sep 2014
PDF 871 18 Sep 2014
PDF 156 18 Sep 2014
PDF 195 18 Sep 2014
PDF 383 18 Sep 2014
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Reference Designs  ( 2 )


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