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Marelli launches SiC power module for motorsport EVs

Global automotive supplier Marelli has launched a power module for motorsport EV applications. The module, which was completely developed in the company’s Corbetta (Italy) facility, is based on silicon carbide (SiC) technology and uses a new direct cooling solution. 

The new module, called EDI (Enhanced Direct-cooling Inverter), was developed by Marelli Motorsport with the Fraunhofer Institute for Reliability and Microintegration. Marelli says the module’s structural design reduces the thermal resistance between the SiC components and the liquid coolant, due to a new baseplate-less solution.

The company also claims that the technology enables conversion efficiencies of up to 99.5%, a 50% reduction in weight and size, and 50% higher heat dissipation compared to a silicon-based design of the same rating.

Marelli says the EDI power module has successfully undergone a series of reliability qualification tests for motorsport mission profiles to assess the robustness of the design when subjected to thermal cycles, switching tests and pressure cycles.

Source: Marelli 

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