A new 100 V GaN transistor for Artificial Intelligence, Industrial, and Motor-Drive Applications

Alejandro Pozo, Director of Applications Engineering at Efficient Power Conversion

Artificial intelligence (AI) computing, robotics, autonomous machines, and industrial automation are driving demand for smaller, more efficient power electronic converters. With conventional silicon (Si) MOSFETs, engineers have traditionally faced a trade-off between efficiency and power density, as the higher switching frequencies required to reduce converter size typically result in increased switching losses and lower overall efficiency. Recent gallium nitride (GaN) products have largely eliminated this compromise by enabling both higher switching frequencies and higher efficiency [1]. As a result, power converters can achieve greater power density without sacrificing performance. Today, 48 V systems are ubiquitous in AI server racks, humanoid robots, drones, automotive electronics, and industrial equipment. Consequently, 80 to 100 V-rated devices have become key building blocks in the power conversion systems present in these applications.

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