US semiconductor supplier onsemi and Chinese carmaker Geely have widened their collaboration to speed up development of new electric and hybrid vehicles.
The broader partnership focuses on Geely’s SEA-S architecture, the super hybrid version of its sustainable experience architecture, along with the related super electric power (SEP) System.
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Under the arrangement, onsemi’s EliteSiC silicon carbide power technologies will be more deeply incorporated into Geely’s vehicle platforms.
The expanded collaboration will also include closer joint work on system-level design and development.
The company’s power solutions are already used in the electric drive systems of vehicles based on SEA-S, supporting 900V high-voltage architectures.
According to the press statement, the 900V setup is intended to cut energy losses and reduce heat during power transfer, with gains in charging times, vehicle range and sustained performance.
onsemi president and CEO Hassane El-Khoury said: “The EV market is entering a new phase, driven by higher-voltage architectures and increasing system complexity.
“Our expanded engagement with Geely reflects how automakers and semiconductor partners are working more closely and earlier to shape critical vehicle design decisions.”
The EliteSiC technology is also aimed at increasing power density, making it possible to deliver higher output from smaller and lighter systems.
The company said this can help vehicle dynamics and improve interior packaging.
It added that improved thermal management is expected to help maintain stable power delivery in demanding driving conditions and support long-term reliability of components.
The announcement came as Geely presented its SEA-S-based SEP System featuring onsemi’s EliteSiC technologies.
Geely Auto Group CEO Gan JiaYue added: “As we advance our electrification strategy, closer coordination with technology partners is increasingly critical. Integrating onsemi technologies across our SEA-S–based electric vehicle platforms reflects this deeper collaboration in action.
“Working with onsemi as a key system-level partner enables stronger alignment across platform design and engineering execution, supporting our goal of delivering high-performance, efficient electric vehicles to customers worldwide.”
