In Europe, car accidents cause approximately 1.7 million injuries and 40,000 deaths each year. The European Union plans to reduce this number by half by 2010, and the application of innovative safety systems to automobiles will help achieve this goal. For example, regardless of visibility, medium and long-range radar systems can reduce the risk of road traffic accidents. After the vehicle is installed with such a safety system, other vehicles and obstacles 20 to 200 meters ahead can be identified.
At present, the radar system is expensive, exceeding 1,000 Euros, and it is difficult to widely put it into commercial use. In addition, the size of these systems is usually 10cm X 20cm, taking up a lot of space in the car fender.
Infineon Technologies will change this situation with a new radar chip. It is expected that mid- and long-range radar systems using this chip will enter the mid-range car market by mid-2010. Using the RXN7740 in the RASIC â„¢ (radar system IC) product family, manufacturers can reduce the size of the radar system by a quarter, while reducing the system cost of wireless RF modules by more than 20%.
Hans Adlkofer, Vice President of Infineon Technologies and General Manager of the Sensor Control Business Division, said: "Radar technology is the key to designing innovative driver assistance systems to avoid traffic accidents. No matter what weather conditions our radar chip (including Foggy, rainy and snowy days) can make the car see the road ahead. It is with this chip that the mid- and long-range radar system will become the standard equipment for mid-level vehicles by 2010. "
Automotive radar system: 65% growth rate
American market research organization Strategy AnalyTIcs predicts that from 2006 to 2011, the annual growth rate of vehicles using obstacle alarm systems will exceed 65%. According to the Strategy AnalyTIcs report, of the 3 million vehicles with obstacle warning systems installed in 2011, approximately 2.3 million vehicles will use radar technology. In addition, 7% of all new vehicles will be equipped with this system in 2014, mainly in Europe and Japan.
How do cars "see clearly" the road ahead in heavy fog
The radar system of a car can emit radio frequency electromagnetic waves, and these electromagnetic waves can be reflected back when they meet the preceding vehicle or other objects. Infineon's radar chip sends and receives these RF signals and processes them through the background. The background data evaluation result can determine the distance between the vehicle and other vehicles and the driving speed of other vehicles. Therefore, when a vehicle collision accident is predicted, the seat headrest and seat belt will be prepared in advance to help reduce the impact of the accident. At the same time, the same signal is also sent to the brake system or airbag system.
Bring the world's fastest RF chip to the market
The new radar chip RXN7440 in Infineon's RASIC product family is the world's fastest RF chip developed by the company's R & D laboratory. Four years ago, the company's research and development laboratory developed the world's fastest RF chip, and now the chip is put on the market for commercial use. Infineon radar chips use a manufacturing process based on silicon germanium (SiGe). The silicon germanium process R & D project is supported by the German Federal Ministry of Education and Research (BMBF). This process has been specifically designed to be particularly suitable for automotive applications. Unlike gallium arsenide (GaAs) components currently in use, the SiGe process can make radar sensors that are smaller and more affordable.
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