2023 Speaker
Dr. Tamara Baksht
Tamara studied Philosophy and Physics in Tomsk State University, Russia, where she was born and raised. Going forward, she gained a Ph.D. in Electrical Engineering from Tel Aviv University, Israel, focusing on GaAs and GaN HEMTs. She started working on GaN HEMT in Gal-El (MMIC), part of the Israel Aircraft Industry.
Tamara is one of the pioneers of GaN transistors design and development, covering wide power and frequency ranges. She has years of experience running multidisciplinary GaN projects, defining work plans, budgeting, reporting, transferring products to production, and providing customer support.
In 2010 Tamara co-founded VisIC Technologies with III-V semi-technology expert Gregory Bunin, and she has been leading the company ever since.
GaN HEMT for Electric Car Inverter: Breakthroughs and Challenges
The mobility industry is living through the most dramatic changes since the invention of the internal combustion engine and the standardization of the manufacturing process. Society and governments are looking for zero-emission transport, while car makers are seeking the most efficient way to manufacture low-cost and long-distance electric cars. In this context, inverter efficiency became the critical performance parameter, and semiconductors with low loss switching energy, such as SiC and GaN are getting into the spotlight. In this keynote the successful development of a three- phase GaN-based inverter reference design with 400V bus voltage and 400ARMS current is discussed and the results are presented. The major steps on the way from semiconductor chip design, through module development and to full current inverter operation are discussed, chosen solutions explained and results are presented. The main challenges include robust high current > 100A GaN die, with low parametric shift because of repetitive unclamped switching tests up to 1600V; driving 4 dies in parallel to obtain equal current sharing, smooth waveform at needed current and obtaining low voltage overshoots on the gate and on the drain.
VisIC Technologies
VisIC Technologies has a decade of experience in creating, developing, and advancing concepts based on cutting-edge Gallium Nitride-on-silicon technology. We develop solutions that help reduce energy waste in power conversion systems, with a focus on battery electric vehicles (BEV). Our patented D3GaN technology – Direct Drive D-mode GaN – addresses the automotive industry’s cost, supply, sustainability, reliability, quality, and performance needs.
With our D3GaN technology, BEV can save up to 50% on power losses over the driving cycle of the electric car, thus reducing battery cost and increasing driving range and performance. This solution also reduces the cooling system requirements and the size of the BEV inverter.
VisIC Technologies has produced the first GaN-based transistors used in automotive inverters. By utilizing the GaN on Silicon technology, we address the supply chain concern as we are using existing semiconductor high-volume production lines.
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Jiemin Cao
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Dr. Rainer Kaesmaier
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Mark Nils Münzer
Infineon Technologies AG
Prof. Qinfen Hao
Institute of Computing Technology, Chinese Academy of Science
Dr. Fengze Hou
Institute of Microelectronics of the Chinese Academy of Sciences
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Jiangsu Silicon Integrity Semiconductor Technology Co., Ltd.
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onsemi
Kaisheng Ma
Polar Bear Tech
Dr. Victor Veliadis
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Abe Hidenori
Resonac Corporation
Ralf Bornefeld
Robert Bosch
Dr. Terry Wu
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Luke Liu
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Francesco Muggeri
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Dariusz Czaja
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Prof. Shaojun Wei
Tsinghua University
Markus Mosen
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Dr. Wenbiao Ruan
Xiamen Sky Semiconductor Technology Co., Ltd.
Simone Bertolazzi, PhD.
Yole Intelligence
Julian Fieres
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Mr. Ning Chen used to work in the mobile communication industry in Japan for long years. After joined Panasonic in 2003, he has been engaged in the development of advanced sensor solutions for smart systems. He is now the Director of China Technology Center of Industrial Solutions Company.
Ron, who joined CNW in early 2013 after over a decade at DHL, sees himself as customer-centric. He is available day and night to listen and help customers realize that CNW is their most reliable special logistics partner. Ron believes in open communications and making it easy for them to approach CNW with urgent and emergency shipping challenges, no matter how complicated.</span>
Hermann Waltl is currently the executive sales and customer support director for EV Group (EVG). In this role, he is responsible for overseeing EVG’s worldwide sales operations across all of the company’s product lines and key markets including Asia Pacific, Europe and North America. Waltl joined EV Group in 2002 as a sales operations manager where he was responsible for all aspects of worldwide contract management and sales administration for three years.
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Mario Morales is the program vice president of IDC’s enabling technologies, storage, and semiconductor research. He is responsible for in-depth analysis, evaluation of emerging markets and trends, forecasting, and research of major semiconductor industry segments such as embedded and intelligent systems, wireless, personal computing, networking and cloud infrastructure, automotive electronics, and consumer.