TOLL package 650V GaN HEMTs contribute to improving power supply efficiency.
ROHM Semiconductor announced that the EcoGaN series of 650V GaN HEMTs in the TOLL package has been adopted for AI server power supplies by Murata Power Solutions, a subsidiary of the Murata Manufacturing Group and a leading supplier of electronic components, batteries and power supplies in Japan. Integrating ROHM’s GaN HEMTs, which combine low loss operation with high-speed switching performance, in Murata Power Solutions’ 5.5kW AI server power supply unit achieves greater efficiency and miniaturization. Mass production of this power supply unit is set to begin in 2025.
Rapid advancements in IoT-related fields such as AI and AR (augmented reality) have led to a surge in global data traffic in recent years. Notably, the power consumption for a single AI-generated response is estimated to be several times higher than that of a standard internet search, highlighting the need for more efficient AI power supplies. Meanwhile, GaN devices, known for low ON resistance and high-speed switching performance, are gaining attention for their ability to enhance power supply efficiency while reducing the size of peripheral components such as inductors used in power circuits.
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