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ROHM and Valeo to Co-Develop Next-Gen Power Electronics for Electric Motor Inverters

ROHM will provide its 2-in-1 Silicon Carbide (SiC) molded module TRCDRIVE pack™ to Valeo for future powertrain solutions.

December 03, 2024. By Aishwarya

ROHM Semiconductor has collaborated with Valeo to optimize the next generation of power modules for electric motor inverters using their combined expertise in power electronics management.

As a first step, ROHM will provide its 2-in-1 Silicon Carbide (SiC) molded module TRCDRIVE pack™ to Valeo for future powertrain solutions.

Valeo is broadening access to efficient, electrified mobility across various vehicle types and markets, from the smallest one (ebikes) through the mainstream (passenger cars) to the largest one (eTrucks).

By combining Valeo’s expertise in mechatronics, thermal management and software development with ROHM’s power modules, Valeo drives the power electronics solution forward, contributing to the performance, efficiency, and decarbonization of automotive systems worldwide.

ROHM and Valeo have been collaborating since 2022, initially focusing on technical exchanges aimed at improving the performance and efficiency of the motor inverter – a key component in the propulsion systems of electric vehicles (EVs) and plug-in hybrids (PHEVs).

By refining power electronics, both companies aim to offer optimized cost/performance by delivering higher energy efficiency, reducing heat generation thanks to optimized cooling and mechatronic integration, and increasing overall reliability with a SiC packaging.

“We are pleased to support Valeo, a renowned automotive supplier, with our power semiconductors. ROHM’s TRCDRIVE pack provides high power density, leading to improved power efficiency. Together, we contribute to the development of highly efficient powertrains by fostering collaboration with Valeo,” said Wolfram HARNACK, President ROHM Semiconductor GmbH.

“This partnership marks, for Valeo Power Division, a significant step forward in delivering advanced and highly efficient power electronics. Together, we aim to set new industry standards for high voltage inverters and accelerate the transition towards more efficient and affordable electric mobility,” said Xavier DUPONT, Valeo Power Division CEO.

These evolutions are all essential to supporting the growing demand for longer range, faster charging capabilities, and, overall, a high-performance and an affordable inverter for BEVs and PHEVs.

Valeo will start supplying a first series project in early 2026. ROHM and Valeo will contribute to the improvement of efficiency and downsizing of Valeo’s next generation of xEV inverters.

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