Gallium Nitride (GaN) devices bring significant improvements to communication power supplies with their high-frequency capability (MHz-level switching speeds) and low-loss advantages (markedly reduced conduction/switching losses). They enhance system conversion efficiency, support stable high-temperature operation of communication equipment in passive cooling environments, and reduce base station energy consumption. The high-temperature stability and high-frequency operational capability of GaN devices make them highly reliable in high-power communication power supplies requiring 24/7 continuous operation, helping to control thermal management costs and promoting the development of communication infrastructure toward higher efficiency and energy savings.
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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