Wide Bandgap Devices and Applications Short Course

Wide Bandgap Devices and Applications Short Course

November 12-13, 2020

This is a virtual event. A link will be sent to attendees who register through Eventbrite.
The course will be presented live online in real time with opportunity for Q&A with the instructors.


Enable power electronics engineers to incorporate SiC and GaN technology into products and systems, and fully utilize the benefits of this technology.


Provide the basics of SiC and GaN power electronics technology. Participants will gain proficiency through instruction on WBG fundamentals and application-specific case studies.


Power Electronics Applications Engineers

Power Device Engineers

SiC & GaN Technical Marketing Professionals

Power Electronics Business & Product Line Managers


Elif Balkas, PhD
R&D Manager-Materials

Subhashish Bhattacarya, PhD
North Carolina State University

Al Burk, PhD
Chief Epi Scientist
Cree/Visiting Scientist, ARL

Don Gajewski, PhD
Manager of Reliability and Failure Analysis

Doug Hopkins, PhD
North Carolina State University

Iqbal Husain, PhD
North Carolina State University

Hanh-Phuc Le, PhD
UC San Diego

David Levett, PhD
Power Electronics Design and Applications Engineer
Infineon Technologies

Jimmy Liu
Director of Technical Marketing
GaN Systems

Srdjan Lukic, PhD
North Carolina State University

Julian Styles
Director of Business Development
GaN Systems

Victor Veliadis, PhD
Executive Director and CTO


Thursday, November 12, 2020 (all times EST)

10:50-11:00 AM


Dr. Victor Veliadis, PowerAmerica Executive Director & CTO

11:00-12:00 PM

Silicon, GaN, SiC: There’s Room for All

  • Market trends and drivers
  • Implications for system performance
  • Device performance differences in applications
  • Challenges for all technologies

Julian Styles, GaN Systems

12:00-1:00 PM

SiC Power Devices: Volume Applications, Market Outlook, and Introduction to Fabrication

  • High volume applications
  • Accelerating commercialization and the U.S. SiC foundry infrastructure
  • Introduction to SiC power device fabrication; what changes from that of Si

Victor Veliadis, NC State University

1:00-1:10 PM


1:10-2:10 PM

SiC Bulk Substrate: Advantages, Challenges and Solutions

Elif Balkas, Wolfspeed

2:10-3:10 PM

SiC Epitaxial Technology

Al Burk, Wolfspeed

3:10-3:20 PM


3:20-4:20 PM

SiC Power Device Reliability

  • Intrinsic reliability failure mechanisms and models
  • FIT rate based on field failure data and terrestrial neutron radiation
  • Product level reliability
  • Reliability for high voltage and high humidity environments
  • Product qualification
  • Industry consortia qualification standards development

Don Gajewski, Wolfspeed

4:20-5:20 PM

SiC MOSFETs Applications, Gate Drivers, Protection and Paralleling

  • How to parallel devices
  • Over-current and over-voltage protection
  • Gate driver design

David Levett, Infineon

5:20 PM

Day One concludes

Friday, November 13, 2020 (all times EST)

11:00-12:00 PM

WBG Modules & Packaging and Impact on Circuit Design

  • Circuit design challenges with WBG power devices
  • Advanced packaging technologies
  • Electrical and multiphysics software design tools
  • Example design of a half-bridge GaN power module w/ integrated gate drive
  • Available PREES Open Source packages

Doug Hopkins, NC State University

12:00-1:00 PM

Case Study: WBG Power Electronics Driving High-Speed Electric Machines for Electric Vehicles

Iqbal Husain, NC State University

1:00-1:10 PM


1:10-2:10 PM

Case Study: Advanced Power Delivery Architectures and Converters with GaN for High-Performance Computing

  • Optimal power delivery architectures for high-performance computing
  • Advanced converters employing GaN devices to meet new requirements of power delivery in modern systems
  • Gate drivers and powering schemes for GaN switches
  • Highlights of recent research and development toward more integrated solutions using GaN devices

Hanh-Phuc Le, UC San Diego

2:10-3:10 PM

Case Study: MV EV Fast Charger System

  • Converter topology selection
  • Device selection and characterization
  • System modeling and simulations
  • Control system specification
  • Prototype development and testing
  • Schematics and PCB design, hardware assembly and testing
  • Control code development and debugging
  • System optimization to meet the design requirements

Srdjan Lukic, NC State University

3:10-3:20 PM


3:20-4:20 PM

SiC High-Voltage and GaN Power Device Characterization for Converter Applications

  • SiC device characterization for MV converters
  • Commercial GaN device characterization for EV applications
  • Gate drive isolation, short circuit protection and switching performance
  • Solid state transformers and MV motor drives
  • Autonomous grid connector — for grid interconnection of microgrid to grid/microgrid

Subhashish Bhattacharya, NC State University

4:20-5:20 PM

GaN Based Systems’ Value Propositions

  • GaN transistor characteristics
  • Low power adapter design with GaN transistors
  • AC/DC datacenter power design with GaN transistors

Jimmy Liu, GaN Systems

5:20 PM

Day Two concludes


$300 PowerAmerica member, $500 PowerAmerica non-member, $100 Student