Transcending the limitations of silicon with SiC ushers in a new era

  • High-efficiency inverters for driving electric vehicle motors
  • Increasing the efficiency of power conditioners for solar power systems
  • High-efficiency power supplies for data centers

ROHM’s advanced device technologies are revolutionizing the world of power electronics

  • The world’s first mass producing SiC MOSFETs and full SiC power modules
  • Integrated development and production of materials (wafers), devices, and packages
  • Framework that supports advanced user applications

ROHM is disrupting the power device industry through breakthrough SiC technology

  • Communicating directly with cutting-edge developers from around the world
  • Fostering technology towards the use of advanced power devices
  • Building an ecosystem to expand the application range and achieve large-scale adoption
Scroll to Analog Technology

Analog technology

ROHM analog ICs continue to revolutionize the consumer electronics field

  • Sophisticated technology enables full control of electrical signals
  • Unmatched customization helps customers solve power-related problems and achieve exactly what they need
  • Integrated development of circuit, layout, and processes

ROHM supports technological innovation in the automotive and industrial fields by leveraging technologies gained in the consumer sector

  • Advanced control that enables flexible manipulation of power waveforms
  • Power management that completely eliminates waste
  • High quality power supply not susceptible to interruptions or faults

Superior analog technologies
cultivated for over half a century
deliver optimized power solutions

  • Power supply ICs with high step-down ratio provide semiconductor drive voltages from 60V sources
  • Ultra-low-power consumption ICs that enable 10-year battery life for IoT devices
  • Advanced power supplies for high fidelity audio
Scroll to Social Challenge


Combining sophisticated power device expertise with advanced analog IC technology provides technological synergy optimized for the new age of electronics

  • Bringing out the full potential of advanced power devices
  • Providing analog control with higher response speed and improved accuracy
  • Keeping pace with advancements in power and analog technologies

A fusion of power and analog technologies that can only come from ROHM.
The result: outstanding efficiency and performance

  • AC/DC converters that maximize the performance of SiC MOSFETs
  • GaN devices that achieve ultra-precise power control
  • High-level evaluation boards incorporating the latest technologies

Modularization and single-chip solutions offer significant advantages in terms of greater miniaturization, higher efficiency, and improved reliability.
ROHM’s technology innovation continues.

  • Delivering smaller form factors, lower power consumption and higher reliability
  • Pursuing greater ease-of-use
  • Establishing a production system that can provide long-term, stably supply

Social Challenge

Striking the perferct balance between achieving a comfortable lifestyle and protecting the global environment

  • Technology of the future will have high power requirements
  • Development scenarios must take environmental issues into account
  • Using power effectively without waste is necessary
Scroll to Special Contents

Special Contents

Scroll to products


SiC Power Devices

SiC Power Devices

Silicon Carbide devices dramatically increase system efficiency while contributing to greater miniaturization

Nano Series

Nano Series (DC/DC Converters)

Revolutionary power supplies at the forefront of analog technology



High-end audio ICs designed for music applications

OpAMP Series

OpAMP Series

OP amps aimed at being completely noiseless