48V DCDC Power Supply-Innoscience

Overview

The 48V bus architecture is widely adopted in communications, new energy vehicles, humanoid robots, and data centers. Compared to traditional 12V bus systems, the 48V bus delivers four times the output power at equivalent current levels, meeting growing power demands while significantly reducing distribution losses. Against conventional Si MOSFETs, GaN's high-frequency and high-efficiency capabilities substantially improve both the efficiency and power density of 48V DC-DC power supplies, enabling revolutionary power solutions for communications, automotive, and data center applications.

Reference Designs

2kW 48V Four-Phase Buck Power Solution with Dual Coupled Inductors

This 2kW buck power solution utilizes GaN's high-frequency, high-efficiency advantages combined with a four-phase interleaved Buck topology to achieve a compact, high-power-density design. It incorporates the ultra-compact GaN half-bridge driver IC INS2002 and double-sided cooling low-voltage GaN device INN100EA035A, achieving up to 98% efficiency. The power section occupies just one-fifth the area of a smartphone (iPhone 15).

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