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Thermal design for a high density GaN-based power stage

Thermal design for a high density GaN-based power stage
eGaN FETs and ICs enable very high-density power converter design, owing to their compact size, ultra-fast switching, and low on-resistance. The limiting factor for output power in most high-density converters is junction temperature, which prompts the need for more effective thermal design. The chip-scale packaging of eGaN FETs and ICs offer six-sided cooling, with effective heat extraction from the bottom, top, and sides of the die. This article presents a high-performance thermal solution to extend the output current capability of eGaN-based converters. EDN Read article Read more
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The Growing Ecosystem for eGaN FET Power Conversion

The Growing Ecosystem for eGaN FET Power Conversion
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 Read article Read more
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Facts Say About An Account from a Scientist: he saved the world's 15% energy consumption prior. Now, he discovers silicon's replacement material

Facts Say About An Account from a Scientist: he saved the world's 15% energy consumption prior. Now, he discovers silicon's replacement material
This scientist got his Ph.D 40 years ago who saved the world's 15% energy consumption at one time. He is continuing his journey of innovations now in discovering silicon's replacement material for humankind. My father always taught me that the true worth of an individual is measured based on their contribution to society. As I entered graduate school in 1975 I knew my passion was in the field of semiconductors, and I felt my best contribution to society would come from finding a successor to silicon. I did my graduate work in Gallium Arsenide, but realized by the time I received my ... Read more
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How to measure the world's fastest power switch

Gallium Nitride (GaN) FETS are poised to replace silicon power devices in voltage regulators and DC-DC power supplies. Their switching speeds are significantly faster and their RDS(on) is lower than silicon MOSFETS. That can lead to higher power efficiency power sources, which is good for all of us. If you're designing power circuits with GaN devices, you need a grasp of the device's switching speed.

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Gallium nitride based devices set to bring substantial boost to power efficiency

Gallium nitride has long been known to have useful properties when it comes to electronic components. Even so, its application has largely been confined to more exotic areas of the industry, particularly rf transistors. But GaN is beginning to find application in what could be considered the mainstream, with some of its proponents suggesting its arrival could mark the beginning of the end for the traditional power mosfet. By: Graham Pitcher New Electronics December 13, 2011 Read the article Read more
Categories: GaN Market News
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