High-Voltage e-Compressor | Allegro MicroSystems

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High-Voltage e-Compressor

A high voltage e-compressor in an electric vehicle requires a more sophisticated electrical system using the high-voltage battery and specialized components, such as IGBTs, SiC FETS and isolated gate drivers. Operating at a higher voltage (typically around 400 volts or more), which is used to power the brushless electric motor, allows for more efficient operation with less risk of overheating. As a result, the high-voltage (HV) compressor can rapidly adjust the cabin temperature, providing faster heating or cooling than the traditional 48/12V compressor.

The benefits of using a high voltage e-compressor include increased efficiency, faster cooling, reduced emissions, quieter operation, and greater flexibility in the design of the electrical system, which contribute to the overall performance, efficiency, and sustainability of the vehicle.