Higher Heat Tolerance for EV Inverters
Infineon Technologies has launched a new silicon carbide (SiC) power module for electric vehicle inverters, the first in its HybridPACK Drive family rated for continuous operation at 205°C. This represents a 30°C increase over the industry standard of 175°C. The higher thermal ceiling allows the module to deliver up to 15% more output current compared to existing SiC designs, directly benefiting inverter performance and power density.
Drop In Design Eases OEM Adoption
The new 1300 V module uses the same physical footprint and electrical interfaces as current HybridPACK Drive designs. This drop in compatibility means OEMs and Tier 1 suppliers can integrate the module into existing inverter platforms without requiring redesign or lengthy requalification cycles. The improved thermal tolerance also enables simpler or smaller cooling systems, which can reduce overall system cost, vehicle weight, and energy consumption.
Implications for High Voltage EV Architectures
With a blocking voltage of 1300 V, the module supports inverter operation in systems running above 900 V battery voltage, a growing trend in next generation EVs. Infineon has indicated it will extend the 205°C capability across its existing 1200 V SiC portfolio within the same product family. For automotive security engineers, this component advancement is relevant because higher power density and thermal margins can influence thermal management strategies and electrical stress profiles in inverter control units, which are often integrated into critical vehicle systems like torque control and regenerative braking.
Source: Automotiveworld
