GaN Drivers in Clean Energy Applications

This article is a technical report that discusses the role of gallium nitride (GaN) drivers in clean energy applications. It compares GaN power devices with traditional silicon (Si) and silicon carbide (SiC) devices, focusing on their physical properties and technical performance. The report highlights the advantages of GaN devices, particularly enhancement mode high-electron-mobility transistors (HEMTs), in various clean energy applications, including power factor correction converters, DC-DC converters, and solar inverters. It details the operational efficiencies and lower power losses associated with GaN devices compared to their Si counterparts. The article also examines the current and projected costs of GaN FETs and their implications for overall system costs. Additionally, it presents the Allegro high-voltage isolated gate drivers and outlines their advantages over existing solutions. The report concludes with a discussion on the future trends and potential developments in GaN technology for clean energy systems.