Valeo and Rohm develop power modules for electric motor inverters

E-mobility Valeo and Rohm develop new power electronics

2024-11-29 From 'Automobil Industrie' | Translated by AI 1 min Reading Time

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The supplier Valeo and the semiconductor manufacturer Rohm are joining forces in power electronics and are jointly developing new power modules for electric motor inverters.

Valeo and Rohm Semiconductor are working together on new power modules for electric motor inverters.(Image: Valeo | Rohm) — Valeo and Rohm Semiconductor are working together on new power modules for electric motor inverters.
(Image: Valeo | Rohm)

Valeo and Rohm Semiconductor have been working together since 2022. The focus of the cooperation initially was on the technical exchange of experience to improve the performance and efficiency of the motor inverter—a key component in the drive systems of electric vehicles and plug-in hybrids. By optimizing power electronics, both companies aim to achieve a better price-performance ratio.

This is to be achieved through higher energy efficiency and reduced heat generation—thanks to optimized cooling and mechatronic integration. Additionally, the silicon carbide power module housing technology reportedly enables higher reliability. In an initial step, the Japanese semiconductor manufacturer will supply its 2-in-1 silicon carbide module "TRCDRIVE pack" for future powertrain solutions to Valeo. Valeo aims to begin delivering a first series project at the beginning of 2026.

Background

"TRCDRIVE pack" is a trademark for silicon carbide modules (SiC modules), specifically developed for traction inverter applications. According to the announcement, this product is characterized by high power density and a special connection configuration. It helps address the major challenges of traction inverters in terms of miniaturization, higher efficiency, and reduced development effort. SiC enables low-loss power conversion under high-voltage conditions. (se)

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