There are three major new technologies that are driving a new generation of automotive electronics:
The first is electrification. A large number of reports are discussing electrification. Electrification actually adds electric motors to systems that were originally only gasoline or diesel, which has brought exciting changes to the mass market. There are many reasons behind this, but it is important to increase the rate of return on costs. The so-called hybrid system includes an auxiliary electric motor that can help achieve a significant increase in fuel efficiency. This motor does not dominate driving, but it can enhance the capabilities of traditional engines, so that the main engine can be "slimmed." The smaller the main engine is, the lower its power consumption will be, and the efficiency will be improved. And the cost of this system is much less than that of an all-electric car.
Followed by advanced security systems. The system is based primarily on camera monitoring (also based on or using radar-based systems) to ensure safer driving. It includes monitoring of the driver, lane departure warning, monitoring of blind spots in the car or pedestrians in hazardous areas. Studies have shown that 80%-90% of traffic accidents are caused by poor driving attention or operational errors, and new electronic safety systems can help drivers avoid these problems. This will save tens of thousands of lives and avoid personal injury and economic losses.
Finally, infotainment. Infotainment is another rapidly evolving field that integrates driving information, driving safety and driving entertainment into a "cockpit" system. There are many great applications in this area, including graphical user interface, touch and voice control, rear view and 360 degree panoramic display. The graphical dashboard provides a personalized vehicle control center that displays vehicle information, speed, navigation, and alerts. At the same time, the head-up display (HUD) allows critical driving information to appear directly on the windshield. In the future, there will be dangerous warnings or applications that enhance night vision.
ARM has done a lot in automotive electronics technology! We are developing new processors designed specifically for automotive control, while taking into account safety factors when designing other processors to better detect and monitor faults. At the same time, our GPUs are increasingly being applied to automotive chips. In addition, we continue to invest in the development of processor models to accelerate the development of automotive software prototypes.
The above-mentioned automotive electrification requires high-performance MCUs with advanced safety features to control the complex system consisting of engines, electronic engines and transmissions, while traditional low-performance MCUs cannot accomplish this task. Advanced security systems require powerful data processing capabilities to handle the vast amounts of information captured by the camera. ARM-based high performance, low power processors and GPUs can well meet this need.
Reverse Conducting Thyristor(RCT) is also called Reverse- appreciation Thyristor.The characteristic is that a diode is connected in reverse parallel between the anode and cathode of thyristor, so that the transmitting junction of anode and cathode is short-circuited.As a result of this special circuit structure, it has high voltage resistance, high temperature resistance, short turn-off time, low switching voltage and other good performance.For example, the turn-off time of the reverse thyristor is only a few microseconds, and the working frequency is dozens of KHZ, which is better than the fast thyristor (FSCR).This device is suitable for switching power supply and UPS uninterrupted power supply. One RCT can replace one thyristor and one continuous current diode respectively.
Reverse Conducting Thyristor(RCT)
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