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In the final installment of this series, how GaN has met the requirements to displace silicon is explored. As the adoption rate of GaN explodes, it is important to remember that, while GaN has made many advancements in just a few short years, it is still far from its theoretical performance limitations and thus there are profound improvements that can continue to be achieved. In time, the performance and cost advantages of GaN-on-silicon will result in a majority of applications currently using silicon-based devices converting to the smaller, faster, cheaper, and more reliable GaN technology.
Power Systems Design
February, 2019
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In this conference GaN market and technology status will be addressed and its future evolution will be debated by mixing visions from designers, manufacturers, and end users.
EL SEGUNDO, Calif. — January 2019 — Efficient Power Conversion (EPC) is joining forces with Yole Développement (Yole) and SEMI to sponsor the first ever ‘GaN Con,’ an industry networking event covering the entire power GaN industry from manufacturers to end users. The theme of GaN Con is “Power GaN: From promises to possible market explosion” and is focused on the emerging GaN market and the state-of-the-art for its underlying technology.
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As an example of the contribution to performance GaN devices can make to one of these mainstream applications, a traditional silicon application, the 12 V – 1 V point-of-load (POL) DC/DC converter will be examined. An eGaN IC based 12 V to 1 V, 12 A load converter yielding a peak efficiency of 78% at 5 MHz with a power density of at least 1000 W/in3, all with a cost below $0.20 per watt will be shown
Power Systems Design
January, 2019
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In this series, how the superior switching speed of gallium nitride (GaN)-on-silicon low voltage power devices have enabled many new applications is being discussed. These applications are transforming industries such as light detection and ranging (LiDAR) for autonomous vehicles, envelope tracking for 5G communications and large surface area wireless power for the home and office. In this article, how GaN power devices are transforming medicine by bringing precision control to surgical robots is examined.
Power Systems Design
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In the first article in this series, how gallium nitride (GaN)-on-silicon low voltage power devices have enabled many new applications, such as light detection and ranging (LiDAR), envelope tracking, and wireless power was discussed. In this article, more detail on one of these leading applications, LiDAR, will be explored. How GaN is being used to make LiDAR systems that see farther, with higher resolution, and at lower cost will be shown.
Power Systems Design
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Last week, Anker debuted a tiny new power brick, crediting its small size with the component it uses instead of silicon: gallium nitride (GaN). It’s the latest example of the growing popularity of this transparent, glass-like material that could one day unseat silicon and cut energy use worldwide.
The Verge
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Gallium nitride (GaN) power transistors designed for efficient power conversion have been in production for seven years. New markets, such as light detection and ranging, envelope tracking, and wireless charging, have emerged due to the superior switching speed of GaN. These markets have enabled GaN products to achieve significant volumes, low production costs, and an enviable reliability reputation. All of this provides adequate incentive for the more conservative design engineers in applications such as dc-dc converters, ac-dc converters, and automotive to start their evaluation process. So what are the remaining barriers to the conversion of the US$12 billion silicon power metal-oxide-semiconductor field-effect transistor (MOSFET) market? In a word: confidence. Design engineers, manufacturing engineers, purchasing managers, and senior management all need to be confident that GaN will provide benefits that more than offset the risk of adopting a new technology. Let's look at three key risk factors: supply chain risk, cost risk, and reliability risk.
IEEE Spectrum
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With the rise of autonomous cars and electric propulsion as driving forces in automotive applications, a huge new market for power devices based on gallium nitride grown on a silicon substrate (GaN-on-Si) is emerging.
Design World
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Gallium nitride(GaN)-on-silicon low voltage power devices have enabled many new applications since commercial availability began in 2010. New markets, such as light detection and ranging (LiDAR), envelope tracking, and wireless power, emerged due to the superior switching speed of GaN. These new applications have helped develop a strong supply chain, low production costs, and an enviable reliability record. All of this provides adequate incentive for the more conservative design engineers in applications, such as dc–dc converters, ac–dc converters, and automotive to start their evaluation process.
In this series, a few of the many, high volume applications taking advantage of GaN to achieve new levels of end-product differentiation will be discussed. First, it is useful to explore the factors attributing to the rapid acceleration of the adoption rate.
Power Systems Design
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In recent years, GaN-based power conversion has increased in popularity due to the inherent benefits of eGaN FETs over conventional Si transistors. Migrating a converter design from Si to GaN offers many system-level improvements, which require consideration of all the components in that system. This trend has subsequently spurred a growth in the ecosystem of power electronics that support GaN-based designs.
Power Systems Designs
By Edward A. Jones, Michael de Rooij, and David Reusch
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EPC CEO & Co-Founder, Alex Lidow was a featured guest on Cheddar TV sharing how GaN technology is enabling new and disruptive technologies, such as LiDAR for self-driving cars and power conversion transistors and ICs for wide-area wireless power and medtech.
Cheddar
September 11, 2017
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GaN power element technology has found its way into a major application in the industry with the release of the Dell Latitude computer using the AirFuel standard.
Planet Analog
July 19, 2017
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Max Smolaks welcomes gallium nitride, a new material which will replace silicon in the power chain
For the past 35 years, most power supplies have relied on power MOSFETs (metal oxide semiconductor field effect transistors) – voltage-controlled devices made of silicon that are used to switch and condition electricity.
Data Center Dynamics
April 19, 2017
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See some of the GaN applications demonstrated by Efficient Power Conversion Corporation at APEC 2017.
EDN Network
April 3, 2017
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At APEC 2017, Efficient Power Conversion (EPC) showcased applications using eGaN technology in an effort to prove that it will soon change the way we live.
Electronics360
March 29, 2017
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Silicon Valley's namesake raw material faces a promising new rival: gallium nitride (GaN). Some say the newcomer is poised to swarm the $30 billion semiconductor power supply market. It's a market that involves "anything that plugs into a wall" ranging from Apple (AAPL) iPhone chargers to Tesla Motors' (TSLA) luxury electric cars.
Investor's Business Daily
Allison Gatlin
July 2016
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Tuesday I was fortunate enough to have a meeting with Alex Lidow, founder of chip company EPC of El Segundo, California, and something of an luminary of the chip world. Lidow came up with the “power MOSFET,” a device that went on to be the basis of billions in semiconductor sales, in 1977.
His new company, whose initials stand for “Efficient Power Conversion,” proposes replacing silicon, the original basis of the MOSFET, and one of the most prevalent types of semiconductor around, with a different material, Gallium Nitride, commonly abbreviated as GaN — or “eGaN,” as Lidow calls the company’s new, improved form of GaN.
Barron's
Tiernan Ray
June 29, 2016
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There have been several comparisons of eGaN FETs with silicon MOSFETs in a variety of applications, including hard-switched, soft-switched, and high-frequency power conversion. These studies have shown that eGaN FETs have large efficiency and power density advantages over silicon MOSFETs. Here we’ll focus on the use of eGaN FETs in synchronous rectifier (SR) applications and the importance of dead-time management. We show that eGaN FETs can dramatically reduce loss due to dead-time in synchronous rectifiers above and beyond the benefits of low RDS(on)and charge.
Power Systems Design
By: Dr. John Glaser & Dr. David Reusch, Efficient Power Conversion
June 13, 2016
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ANDOVER, Mass.—At the front door of Raytheon's Integrated Air Defense Center, there's a reminder of how big microwave electronics used to be—the original microwave oven. The now ever-present kitchen device was invented after a Raytheon engineer discovered his candy bar melted while he was standing near a magnetron used in a radar system the company was developing. Nearly the size of a refrigerator, the original microwave looks like it would cook a whole lot more than whatever was put within its metal grate, which was meant to contain the microwaves from its magnetron.
Ars Technica
June 9, 2016
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Senior representatives GaN power manufacturers (EPC, Transphorm, GaN Systems, Infineon and Navitas) presented details of their significant developments in moving the technology into mainstream, volume applications. Based on the information presented in the five talks, there are three significant reasons to expect dramatic growth in adoption of GaN power devices.
Bodo’s Power Systems
June 1, 2016
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