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Overview
The 48V bus is widely used in communications, new energy vehicles, humanoid robots, and data centers. Compared to traditional 12V bus architectures, the 48V bus delivers four times the output power at the same current level, meeting growing power demands while significantly reducing distribution losses. Relative to conventional Si MOSFETs, GaN's high-frequency and high-efficiency properties substantially improve both the efficiency and power density of 48V DC-DC power supplies, providing revolutionary power solutions for communications, automotive, and data center applications.
Reference Designs
1.2kW 48V Four-Phase Buck Power Solution
This 1.2kW 48V buck power solution employs a four-phase interleaved Buck topology, delivering high switching frequency and high power density with a peak efficiency of 98.10%. Compared to silicon-based solutions, it reduces system losses by 30%, lowers full-load device temperature by over 15°C, and decreases volume by more than 50%.
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