ROHM Semiconductor Server/Data Center Solutions

The rapid growth of Artificial Intelligence (AI), cloud computing, and digital transformation is driving unprecedented demand for data center performance while increasing pressure to improve energy efficiency. ROHM Semiconductor combines advanced power and analog technologies to help maximize server power efficiency, reduce cooling system energy consumption, and support more sustainable data center infrastructures. From industry-leading Silicon-Carbide (SiC) power devices and precision analog Integrated Circuits (ICs) to discrete components and power management solutions, ROHM delivers technologies that enable energy savings, enhanced reliability, and compact server designs for next-generation computing applications.

Features

Improved power efficiency
Advanced thermal management
High reliability

High power density
Sustainable infrastructure

Overview

Infographic - ROHM Semiconductor Server/Data Center Solutions

Power Supply Unit (PSU)

ROHM delivers a comprehensive portfolio of power solutions for next-generation server PSUs, featuring industry-leading SiC and high-speed Gallium Nitride (GaN) devices for high-voltage primary-side circuits and high-performance 80V Low-Voltage Power MOSFETs (LVMOSs) that minimize conduction losses. These features benefit 50V AI server rectification applications and cost-effective super-junction MOSFETs for totem-pole PFC low-speed switching. Complementing the broad device lineup, ROHM also provides gate drivers, control ICs, and system-level design support to maximize performance and efficiency across the entire power architecture.

PSU Block Diagram

Block Diagram - ROHM Semiconductor Server/Data Center Solutions

Battery Backup Unit (BBU)

ROHM supports advanced BBUs with highly accurate fuel-gauge ICs that monitor battery charge levels and state of health (SoH) in lithium-ion batteries, helping to reduce system size while improving reliability. For server hot-swap circuits, including demanding AI server applications, ROHM’s 100V power MOSFETs deliver high safe operating area (SOA) ratings and low on-resistance to handle high current loads and enhance system robustness. Complementing these solutions, ROHM offers a broad portfolio that supports a wide range of power architectures, from conventional 12V and 50V systems to emerging 400V-class high-voltage DC power distribution racks.

BBU Block Diagram

Server Motherboards for AI

Driven by the rapid adoption of generative AI and digital transformation, modern servers demand significantly greater computing power while maintaining energy efficiency. To address rising power consumption and improve data center power usage effectiveness (PUE), ROHM offers total power solutions that support the transition from traditional 12V distributed architectures to 48V centralized systems. Combining advanced power supply IC technologies with high-performance MOSFETs and GaN devices, ROHM maximizes power conversion efficiency, reduces heat generation, increases power density, and enhances both server processing performance and overall energy savings on server boards.