ROHM Semiconductor Highlights SiC Power Modules for EV Applications
ROHM Semiconductor Highlights SiC Power Modules for EV Applications 
At APEC 2026, ROHM Semiconductor showcased its latest advancements in silicon carbide (SiC) power modules, with a strong focus on electric vehicle (EV) applications. Speaking from the show floor, Ming from ROHM walked through the company’s evolving portfolio and how it is helping engineers design more efficient and compact power systems.
ROHM has been developing silicon carbide technology for over 25 years and is currently on its fourth generation of SiC devices, with Gen 5 expected later this year. While the company continues to offer wafers and discrete components, its primary focus at this year’s event was on integrated power modules designed to simplify system design and improve performance.
Power Modules Designed for EV Systems
A major highlight at the booth was ROHM’s expanding lineup of power modules tailored for electric vehicle platforms. These modules are designed to support key EV functions such as traction inverters and onboard charging systems.
One of the standout solutions is the TRC Dry Pack, a compact power module designed specifically for EV traction inverters. These modules are built for easy integration and can be mounted directly onto a cold plate, improving thermal performance while simplifying assembly. ROHM also offers support services to help customers properly integrate these modules, including guidance on cold plate alignment and mounting.
In addition to traction solutions, ROHM presented its HSDIP20 power module, which targets onboard charger applications. This module features built-in isolation and supports multiple topologies, making it a flexible option for designers working on charging systems. Its industry-standard package also allows for multi-sourcing, which can be important for supply chain flexibility.
Compact Designs with Higher Performance
ROHM also demonstrated a unique approach to improving power density with modules that combine multiple devices into a single package. For example, a module based on the TO-247 format integrates two devices into a half-bridge configuration. This reduces the number of components required on the board while increasing current capability compared to traditional discrete designs.
To further showcase real-world applications, ROHM displayed a three-phase inverter evaluation kit built using these modules. The system integrates three TO-247-based modules into a complete inverter design and includes air cooling, allowing engineers to quickly evaluate performance and functionality.
Supporting Engineers Through Design and Integration
Because some of these power modules use proprietary packaging, ROHM is focused on helping engineers successfully integrate them into their designs. The company provides detailed documentation, including datasheets, application notes, and assembly guidelines.
For modules like the TRC Dry Pack, ROHM goes a step further by offering support services such as cold plate centering recommendations and integration guidance. This is especially valuable for teams that may not have prior experience working with these types of modules.
Evaluation kits shown at the booth are available for sample purchase, giving engineers a hands-on way to test performance and accelerate development.
Driving the Future of Power Electronics
ROHM’s presence at APEC 2026 highlights the growing importance of silicon carbide in modern power electronics, particularly in electric vehicles. By focusing on integrated power modules, the company is helping designers reduce complexity, improve efficiency, and meet the increasing power demands of next-generation systems.
As EV platforms continue to evolve, solutions that offer higher power density, better thermal management, and simplified integration will play a critical role—and ROHM is positioning itself at the center of that transition.
To learn more, visit https://www.rohm.com/.
