TransphormHighest Performance, Highest Reliability GaN

Design Resources

Transphorm is dedicated to educating and supporting customers developing with high voltage GaN. Let us know how we can help you design with GaN.

Evaluation Kits

Transphorm offers a number of GaN evaluation platforms in various topologies to help reduce design time.

Evaluation Platform Topology Application Power Rating Switching Frequency Featured Device Order Design Files
TDPS250E2D2-KIT 250W all-in-one power supply Computer power supply 250W 200kHz TPH3202PS Request kit Download
TDINV1000P100-KIT 1kW inverter Single-phase solar PV inverter, motor drive 1000W 100kHz TPH3206PSB Request kit Download
Firmware files    Download
TDHBG2500P100-KIT 2.5kW hard-switched half-bridge, buck or boost PV inverter, motor drive inverter, PFC or bridge 2500W Programmable TPH3212PS Request kit Download
TDPS2800E2C1-KIT 2.8kW totem-pole PFC High-efficiency bridgeless PFC 2800W 100kHz TPH3205WS Request kit Download
TDPS3500E0E10-KIT 3.5kW hard-switched half-bridge, buck or boost PV inverter, motor drive inverter, PFC or bridge 3500W Programmable TPH3205WS Request kit Download
TDTTP4000W066-KIT 4kW totem-pole PFC High-efficiency bridgeless PFC 4000W 66kHz TPH3207WS Request kit Download
TDINV4500W050-KIT 4.5kW inverter Single-phase solar PV inverter, motor drive 4500W 50kHz TPH3207WS Request kit Download

Application Notes & Design Guides

AN0010: GaN FETs in Parallel Using Drain Ferrite Beads and RC Snubbers for High-power Applications
AN0009: Recommended External Circuitry for Transphorm GaN FETs
AN0008: Drain Voltage and Avalanche Ratings for GaN FETs

AN0002: Characteristics of Transphorm GaN Power FETs
AN0003: Printed Circuit Board Layout and Probing for GaN FETs
AN0004: Designing Hard-switched Bridges with GaN
AN0007: PQFN88 Lead-free 2nd Level Soldering Recommendations for Vapor Phase Reflow

Design Guide: LLC Resonant Tank Design for 3.3kW Electric Vehicle On-board Charger with Wide-range Output Voltage

Technical Papers & Presentations

Huang, Zan; Cuadra, Jason, Preventing GaN Device VHF Oscillation, APEC 2017 Industry Session, March, 2017

Zuk, Philip; Campeau, Gaetan, How to Design with GaN in Under an Hour, APEC 2017 Exhibitor Session, March 2017

Wang, Zhan; Wu, Yifeng, 99% Efficiency True-Bridgeless Totem-Pole PFC Based on GaN HEMTs

Wang, Zhan; Honea, Jim; Wu, Yifeng, Design and Implementation of a High-efficiency Three-level Inverter Using GaN HEMTs, May 2015 (requires IEEE access)

Zhou, Liang; Wu, Yifeng; Honea, Jim; Wang, Zhan, High-efficiency True Bridgeless Totem Pole PFC based on GaN HEMT: Design Challenges and Cost-effective Solutions, May 2015 (requires IEEE access)

Wang, Zhan; Wu, Yifeng; Honea, Jim; Zhou, Liang, Paralleling GaN HEMTs for diode-free bridge power converters, Mar 2015

Kikkawa, T., et al, 600V JEDEC-qualified Highly-reliable GaN HEMTs on Si Substrates, Dec 2014 (requires IEEE access)

Wu, Yifeng; Guerrero, Jose; McKay, Jim; Smith, Kurt, Advances in reliability and operation space of high-voltage GaN power devices on Si substrates, Oct 2014 (requires IEEE access)

Wang, Zhan; Honea, Jim; Yuxiang Shi; Hui Li, Investigation of driver circuits for GaN HEMTs in leaded packages, Oct 2014

Wu, Y.; Gritters, J.; Shen, L.; Smith, R.P.; Swenson, B., kV-class GaN-on-Si HEMTs Enabling 99% Efficiency Converter at 800V and 100kHz, June 2014 (requires IEEE access)

Wu, Y.; Gritters, J.; Shen, L.; Smith, R.P.; McKay, J.; Barr, R.; Birkhahn, R., Performance and Robustness of First Generation 600V GaN-on-Si Power Transistors, Oct 2013 (requires IEEE access)

Parikh, Primit; Wu, Yifeng; Shen, Likun, Commercialization of High 600V GaN-on-Silicon Power Devices, May 2013 (requires IEEE access)

Wu, Yifeng, GaN Offers Advantages to Future HEV, March 2013

Wu, Y.; Kebort, D.; Guerrero, J.; Yea, S.; Honea, J.; Shirabe, K.; Kang, J., High-Frequency, GaN Diode-Free Motor Drive Inverter with Pure Sine Wave Output, Oct 2012

Shirabe, Kohei; Swamy, Mahesh; Kang, Jun-Koo; Hisatsune, Masaki; Wu, Yifeng; Kebort, Don; Honea, Jim, Advantages of High-frequency PWM in AC Motor Drive Applications, Sept 2012 (requires IEEE access)

Wu, Y.; Coffie, R.; Fichtenbaum, N.; Dora, Y.; Suh, C.S.; Shen, L.; Parikh, P.; Mishra, U.K., Total GaN solution to electrical power conversion, Jun 2011 (requires IEEE access)

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