Design Scheme of Hybrid Electric Vehicle EV / HEV Inverter

Design Scheme of Hybrid Electric Vehicle EV / HEV Inverter

As our components continue to provide high cost efficiency, high efficiency and high power density, Infineon is also promoting electric system solutions for future personal mobility. The mobility of modern lifestyles continues to increase, thereby increasing CO2 emissions and natural resource consumption. Personal transportation is moving in the direction of ensuring future mobility with lower emissions than today.

Moreover, rising oil prices and government regulations are also creating new boundary conditions, accelerating the introduction of electric vehicles (EVs) in the market. Exhaust emission regulations on both sides of the Atlantic are increasingly penalizing car manufacturers who do not meet fuel efficiency or emission standards.

In fact, we have discovered a major shift in consumer demand towards more fuel-efficient vehicles. Demographics also play a role, because more and more people will live in big cities, which further increases the demand for electric vehicles.

Considering that future emission standards will be stricter, the only way to achieve this is to introduce zero-emission vehicles; this can only be achieved through the development of emerging technologies (such as fully electric steamboats or hydrogen fuel cell vehicles).

In the future, it is highly likely that different technologies will coexist; for example, high-performance batteries that store electrical energy, fuel cells that generate electricity, and supercapacitors used to meet sudden increases in energy demand. Infineon can take advantage of this trend by expanding its electric drivetrain activities, such as hybrid electric vehicles.

Electronic components are the key to improving energy efficiency. In order to save energy and reduce pollution, Infineon provides innovative high-performance solutions using the best (hybrid) electric vehicle technology in its class, which represents one of the most effective energy conversion methods for personal transportation.

Infineon has integrated the expertise of the world's leading power electronics manufacturers and the world's second largest automotive semiconductor company to provide innovative electronic solutions for these new types of personal transportation. These solutions continue our commitment to excellent quality and high reliability, which is what the world's leading light vehicle manufacturers expect.

Our system expertise means that we can provide a comprehensive chipset to achieve the best balance between performance and cost. Today, we are very pleased to be able to provide users with technologically leading products in many fields of HEV applications, such as power semiconductors, power modules, microcontrollers and sensors.



Block diagram of power system solution for hybrid electric vehicle

System advantages

Realize hybrid or electric drive

Ultra-efficient 3-phase driver calibration because it achieves extremely low switching losses at high switching frequencies

Products that have passed automotive quality certification

Isolation function integrated into the IGBT driver

DC bus voltage up to 450V



EV / HEV-Block Diagram of Inverter Solution

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