The rise of new energy vehicles, how power semiconductors help green travel?

     The rise of new energy vehicles marks the automotive industry's move towards sustainable development, and its power semiconductors play an important role in enabling green mobility. The power semiconductor is mainly responsible for controlling and transmitting electric energy, and is the core device of the electric transmission system of new energy vehicles. The following will introduce the application of power semiconductors in the field of new energy vehicles in detail.

     First, power semiconductors can improve the efficiency of battery management systems for new energy vehicles. The main source of energy for new energy vehicles is electrical energy, which is stored and released through batteries. Power semiconductor devices such as MOSFET (metal oxide semiconductor field-effect transistor) and IGBT (insulated gate bipolar transistor) can achieve rapid charge and discharge control of the battery, improve the energy conversion efficiency of the battery system, extend the battery life, and reduce energy waste.

     Second, the power semiconductor is crucial to the control of the motor. Motor is the key power component of new energy vehicles, power semiconductor devices with low voltage drop, high switching frequency, high conduction current and other characteristics, can effectively drive and control the motor. For example, the inverter using power semiconductor devices can achieve stepless speed regulation of the motor, improve the efficiency and responsiveness of the motor, and achieve a more intelligent vehicle control system.

     In addition, power semiconductors also play an important role in the charging piles of new energy vehicles. Charging pile is the key equipment for charging new energy vehicles, and power semiconductor devices can realize the functions of electric energy conversion, current control and protection in the charging pile. The use of power semiconductor technology can provide efficient, safe and stable charging services, improve charging efficiency, shorten charging time, and meet the needs of users.

     In addition, power semiconductor devices can also be used in auxiliary systems of new energy vehicles, such as air conditioning, seat heating, audio, etc. Through efficient energy conversion and control, power semiconductor devices can improve the energy consumption efficiency of the auxiliary system, reduce energy waste, and achieve accurate control and management of various functional equipment in the car.

     However, it is worth noting that the application of power semiconductors in the field of new energy vehicles faces some challenges. The first is the cost issue, the price of power semiconductor devices is relatively high, and the cost needs to be further reduced to promote its wide application in new energy vehicles. The second is the stability and reliability of high temperature environment, new energy vehicles often work in a high temperature environment, the demand for power semiconductor devices with higher stability and reliability.

     All in all, power semiconductors provide critical support for green mobility in new energy vehicles by improving performance in battery management, motor control, charging piles, and auxiliary system efficiency. With the continuous progress of technology and the reduction of costs, power semiconductors will play a more important and extensive role in the field of new energy vehicles, promoting the popularization and development of green travel.