EV maker Ampere, which was formed by Renault and STMicroelectronics, has announced an agreement starting in 2026 between the two companies on the supply of silicon carbide (SiC) power modules as part of their collaboration on a powerbox Ampere’s electric powertrain inverter.
The powerbox is designed for optimum performance-to-size ratio across Ampere’s line-up, and supports both 400 V and 800 V architectures.
The powerbox combines three SiC-based power modules, an excitation module—which provides the necessary electrical excitation to the motor or generator for controlling the magnetic field within the motor—and a cooling baseplate designed to dissipate heat from the back side of the power module, simplifying the thermal management and cooling process.
“By working upstream together, we were able to optimize and secure the supply of key components for our electric powertrains, to offer high-performance EVs with increased range and optimized charging time. It aligns with Ampere’s strategy to master the entire value chain of power electronics for its e-powertrain, leveraging STMicroelectronics’ expertise in power modules,” said Philippe Brunet, SVP Powertrain & EV Engineering, Ampere.
Source: STMicroelectronics
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