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HEV/EV

Renesas offers solutions and evaluation kits for next-generation hybrid electric vehicles (HEVs) and electric vehicles (EVs).

Offering kit solutions for technologies for improving the environmental friendliness of HEVs and EVs

HEVs and EVs* are growing in popularity amid calls to reduce vehicle CO2 emissions in order to slow global warming. HEVs are powered by a system that combines a conventional internal combustion engine and an electric motor. The electric motor provides motive power when starting from a stationary state, when driving at low speed, and during sudden acceleration, lowering fuel consumption and reducing CO2 emissions. When decelerating, the motor acts as a generator, converting mechanical energy into electricity and charging the HEV’s battery (regeneration control) as the vehicle slows down. EVs, in contrast, have no internal combustion engine at all and use only an electric motor for both motive power and regeneration. For this reason, EVs have lower CO2 emissions than HEVs. Both HEV and EV systems consume large amounts of electricity when running on the motor. They therefore carry special high-voltage batteries (with output of several hundred volts) designed specifically for HEVs and EVs and unlike the batteries found in conventional vehicles powered by internal combustion engines. These HEV/EV batteries are equipped with voltage detection and charging control functions.
Renesas offers kits comprising MCUs, ASICs, power devices (IGBTs, power MOSFETs), etc., for implementing the new technologies (motor generator systems, battery control systems, battery charger and DC/DC control systems) used in HEV and EV systems.

* HEV/EV: Hybrid Electric Vehicle/Electric Vehicle

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