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Power semiconductors are used across many areas of e-mobility, with different technologies suitable for each part of a vehicle, depending on the voltage and current requirements, while emerging tech is allowing smaller systems to be implemented. With GaN and SiC technologies maturing and coming down in price, adoption is growing, and the technologies are increasingly dominating the design and development of e-mobility powertrain and power systems.
E-Mobility Engineering
March 2024
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Gallium Nitride (GaN) FETs have revolutionized the power electronics industry, offering advantages such as smaller size, faster switching, higher efficiency, and lower costs compared to traditional silicon MOSFETs. However, the rapid evolution of GaN technology has sometimes outpaced the development of dedicated GaN-specific gate drivers and controllers. Consequently, circuit designers often turn to generic gate drivers designed for silicon MOSFETs, necessitating careful consideration
of various factors to ensure optimal performance.
Bodo’s Power Systems
February, 2024
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宜普電源轉換公司聯合創辦人暨執行長Alex Lidow表示,GaN的成本競爭力亦與Si MOSFET並駕齊驅,潛在爆發力更有過之而無不及,目前最關鍵就是得重塑諸多研究者的老舊觀念,認為GaN昂貴到碰不得。GaN的技術正迎來轉捩點,在先進運算、車用電子、太空電子及消費電子等新型應用設計多數採GaN技術,而非Si MOSFET。
DIGITIMES Asia
2023年9月
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宜普電源轉換公司聯合創辦人暨執行長Alex Lidow接受DIGITIMES專訪,提到GaN主要會被應用在650V及以下市場。反之碳化矽則是主導650V以上的市場,它可望取代矽基絕緣閘極雙極性電晶體。宜普也在開發對速度及尺寸特性極為要求的400V以下市場。且致力於製造比Si功率元件擁有更高性能、更具成本競爭力的GaN元件。
DIGITIMES Asia
2023年9月
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事實證明,15 V ~ 350 V 氮化鎵異質結場效應功率電晶體在功率轉換、馬達控制和光達等應用中,無論是在效率、尺寸、速度和成本方面都比矽元件更具優勢 。氮化鎵積體電路為許多高頻應用提供了多方面的系統級優勢。 氮化鎵積體電路才剛剛發展,其優勢肯定會隨著其技術發展而不斷增强。
Bodo’s Power Systems
2023年6月
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Case Spotlights Next-Gen Tech Replacing Silicon
(El Segundo, California)—Efficient Power Conversion Corporation (EPC), the global leader in gallium nitride (GaN) technology, today filed complaints in federal court and in the U.S. International Trade Commission (ITC) asserting four patents of its foundational patent portfolio against Innoscience (Zhuhai) Technology Company, Ltd. and its affiliates (collectively, Innoscience). These patents cover core aspects of the design and manufacturing process of EPC’s proprietary enhancement-mode gallium nitride power semiconductor devices. These patents encompass innovations that enabled GaN-based power devices to mature from a research project to a mass-producible high-volume alternative to silicon-based transistors and integrated circuits with GaN devices having higher efficiency, smaller size, and lower cost.
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Since the launch of GaN-on-Si enhancement mode power transistors in March 2010 there has been a slow but monotonic shift towards adoption and replacement of silicon-based power MOSFETs. Initial adoption came from risk-taker visionaries in applications such as lidar, high-end audio amplifiers, robots, vehicle headlamps, and high-performance DC-DC converters. For the expansion of GaN for power conversion to get beyond the early adopters, a more user-friendly format than the WLCP needed to be developed. This format, however, needed to preserve the key attributes of small size, low RDS(on), high speed, excellent thermal conductivity, and low cost. In other words, the best package would be the least amount of package technically possible. Enter the PQFN…
Bodo’s Power Systems
March, 2023
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Five times smaller than an equivalent silicon MOSFET and twice as powerful as the previous generation of eGaN devices is the new sixth generation of devices introduced by Efficient Power Conversion (EPC). We asked CEO Alex Lidow in the video.
Electroniknet.de
November 29, 2022
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This panel discussion from Electronica 2022 discusses the benefits and challenges for SiC and GaN in multiple application contexts, as well as the last barriers to overcome for widespread adoption, such as large-volume capabilities and prices.
Power Electronic News
January, 2023
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EPC推出80 V、通過AEC-Q101 認證的氮化鎵場效應電晶體(GaN FET)EPC2252,為設計人員提供比矽MOSFET更小和更高效的解決方案,用於車規級光達、48 V/12 V DC/DC轉換和低電感馬達控制器。
作為增强型氮化鎵 (eGaN®)FET和IC的全球領導者,宜普電源轉換公司(EPC)進一步擴大已有現貨供應的車規級氮化鎵電晶體系列,推出80 V、11 mΩ、在 1.5 mm x 1.5 mm封裝內提供75 A脉衝電流的EPC2252,比矽MOSFET更小和更高效,適用於自動駕駛和其他先進駕駛輔助系統應用中的車規級光達、48 V/12 V DC/DC轉換和低電感馬達控制器。
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Power-conversion technologies are experiencing the first tectonic shift since the move from bipolar to MOS. That shift, of course, is due to the viral adoption of wide-bandgap power devices. At this point, GaN is more than a specialty technology; it is a broad-scale replacement for silicon MOSFETs in applications ranging from 30 V up to 650 V — a multibillion-dollar market.
Power Electronics News
December, 2022
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Despite the continued progress in traditional transistor scaling, the semiconductor industry has reached an inflection point. The demand for faster, smaller, smarter, and more energy-efficient chips calls for new design and manufacturing paradigms. This eBook includes contributions from technology and market experts Malcolm Penn, Future Horizons; Tim Burgess and Bernd Westhoff, Renesas Electronics; Jean-Christophe Eloy, Yole Group; Luc Van den hove, imec; Ezgi Dogmus, Poshun Chiu, and Taha Ayari, Yole Intelligence; Alex Lidow, Efficient Power Conversion; Victor Veliadis, PowerAmerica; Richard Collins and Yu-Han Chang, IDTechEx; and Jean-René Lèquepeys, CEA-Leti.
EETimes
December, 2022
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Continue the conversation with Guy Moxey and EPC CEO and Co-Founder Alex Lidow as they explore how GaN and Wolfspeed Silicon Carbide are changing the way we live, and where the future of these technologies could take us.
Wolfspeed
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In this interview from electronica 2022, Alex Lidow talks about technology during these 50 years of EE Times, the next challenges for our industry, and the growth of GaN. “Below 650 volts, where the MOSFET is dominant that will be written over by GaN”.
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GaN power devices should be the ideal choice for power conversion applications in space because they are more robust than rad hard MOSFETs when exposed to various forms of radiation. The electrical and thermal performance of GaN has also demonstrated superior operation in a space environment. In this podcast, Bel Lazar, Chief Executive Officer of EPC Space, will analyze the importance of GaN for the space industry. In addition to his role as CEO of EPC Space, Bel currently serves as COO of Efficient Power Conversion (EPC).
EETimes
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Efficient Power Conversion (EPC) introduces the 80 V, 4 mOhm EPC2619 GaN FET in tiny 1.5 mm x 2.5 mm footprint, offering higher performance and smaller solution size than traditional MOSFETs for high power density applications, including DC-DC conversion, motor drives, and synchronous rectification for 12 V – 20 V.
EL SEGUNDO, Calif.— November 2022 — EPC, the world’s leader in enhancement-mode gallium nitride (GaN) power FETs and ICs, launches the 80 V, 4 mOhm EPC2619. This is the lead product for a new generation of eGaN devices that have double the power density compared to EPC’s prior-generation products.
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As energy efficiency standards increase, high-voltage Silicon Carbide and low-voltage GaN are replacing traditional silicon, enabling cooler, lighter, and more powerful electronics. Join Guy Moxey and Alex Lidow, EPC CEO and Co-founder, and explore how Wolfspeed and EPC technologies complement one another in the race towards a more sustainable future.
Wolfspeed
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From Nov. 15 to 18, electronica 2022 will bring the international electronics industry together at the Munich exhibition grounds. Wide Bandgap Semiconductors, Renewable Energies, Smart Grid, and Energy Storage will be the major topics covered by the Power Electronics Forum at electronica 2022. In this podcast, onsemi president and CEO Hassane El-Khoury, Silanna Semiconductor North America CEO Mark Drucker, and of Efficient Power Conversion (EPC) CEO Alex Lidow will introduce the Power Electronics Forum. Interview with Alex Lidow starts at 31:55
EETimes
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Alex Lidow, former CEO of International Rectifier and CEO of Efficient Power Conversion, is one of the few individuals to have pioneered two revolutionary power semiconductor technologies – the silicon power MOSFET and the gallium nitride HEMT. How did he come to have these two unique opportunities?
elektroniknet.de
September, 2022
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There is a commonly held belief in the industry that GaN devices are wasted on inverters for electric motors. After all, if the performance of the system is restricted by the use of a 20KHz PWM, then there can be little benefit in using a material that gains the majority of its advantages from faster switching speeds. However, according to Marco Palma, Director of Motor Drives Systems and Applications at EPC, there are some ways that GaN can still prove effective in that role.
Power Systems Design
September, 2022
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