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3kW Power Supply Design with Easy Manufacturability for 48 V Bus Power Architecture

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posted on 2022-02-22, 04:25 authored by Ahmed NabihAhmed Nabih, Qiang LiQiang Li, Fred Lee
The increase of power requirements per server rack, especially in the 48V bus architecture is demanding the increase of rated power and power density per power supply to fit as many power supplies in the server rack power shelf as possible. Due to the trade-off between fabrication cost and efficiency (running cost) of the power supply, the design of efficient but yet less labor-intensive power supply is important. This paper discusses methods to design DC-DC unit of the 3kW power supply for the 48V architecture with easier manufacturability and lower cost. Prototype for 400V/48V 3kW 1MHz is demonstrated.


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Virginia Tech

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  • United States of America