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Renault group and vitesco technologies join forces to develop power electronics for electric and hybrid powertrains

  • The two companies jointly announced the signing of a strategic partnership
  • Subject is the joint development of a unique power electronics concept as a so called “One Box”
  • Andreas Wolf, CEO Vitesco Technologies: “With this step, we not only become a key ally of Renault Group in the field of power electronics, but it is also an important milestone to further strengthen our growth in the field of electrification.”

Renault Group, a major player in the automotive industry, and Vitesco Technologies, a international manufacturer of modern drive technologies and electrification solutions, announced the signing of a strategic partnership for the joint development and the production of power electronics in a so-called “One Box” for electric and hybrid powertrains.

Under this agreement, both partners will join their forces, contributing their know-how and experience to jointly develop a power electronics concept that is unique on the market. Renault Group will bring its electric and hybrid expertise while Vitesco Technologies will provide its “best in class” technologies and processes.

The goal is a key electronic unit that combines all components in one housing: the DC-DC converter1, the on-board charger OBC2 and the inverter3. Renault Group and Vitesco Technologies teams will define the products and assembly processes of this “One Box” by integrating the latest technologies to ensure the best level of competitiveness in terms of performance and cost. 

This “One Box” concept will also enable an unprecedented gain in compactness (-45 percent in terms of volume) and mass for the development of Renault’s future vehicles, particularly in terms of passenger space and comfort. The configurations and assembly of the various basic components will be adapted to the types of electric and hybrid powertrains. The development platform teams will be mostly based in Toulouse.

The development of this “One Box” is planned to equip electric and hybrid vehicles in Renault’s high-voltage core range from 2026 onwards, with the objective for Renault Group to eventually assemble this product in its industrial sites in France for 100 percent electric vehicles. With this new partnership, Renault Group is extending its control over the electrical value chain by integrating this unique power electronics “all-in-one” system, co-developed in-house.

As part of this partnership, Renault Group will at the same time provide Vitesco Technologies with a multi-year contract for the power electronics of Renault’s hybrid vehicles. In addition, Vitesco Technologies will supply to the Renault Group a “High Voltage Box”, which combines the DC/DC converter and charger, for battery electric vehicles as of 2025.

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