It is estimated that the market size of MEMS components in 2014 will reach 8 billion US dollars, with a growth rate of about 14%. One of the important sources of growth is the automotive electronics field, which is mainly used in automotive safety.
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With the continuous advancement of automotive technology, electronic products such as sensors continue to be applied to the automotive industry and play a vital role in the automotive field. It has been reported that the microelectromechanical systems (MEMS) sensor market is gradually recovering after the recession of the past few years, and its recovery is driven by the development of new generation devices and new applications. It is estimated that the market size of MEMS components in 2014 will reach 8 billion US dollars, with a growth rate of about 14%. One of the important sources of growth is the automotive electronics field, which is mainly used in automotive safety.
Car safety, eternal topic
Safety first, this is an eternal topic in the automotive industry. Automobile safety systems are generally divided into active safety systems and passive safety systems. The so-called active safety is to prevent the occurrence of accidents and determine the probability of accidents in the car. Passive safety is the protection of the car members or the protection of the vehicles or pedestrians in the event of an accident. The severity of the injury to the member.
In the era of smart cars, active safety technology has become a hot emerging area, and rollover and stability control (ESC) is a new improvement to today's active safety systems. This requires a MEMS acceleration sensor and an angular velocity sensor to sense the body posture. “Because such sensors are often installed in locations where vibrations are harsh, sensors are required to have high vibration and shock resistance. This is a challenge for MEMS sensors.†ADI's leading global provider of high performance signal processing solutions Mr. Xu Zhibin, Marketing Manager of the China Electronics Industry, said.
Xu Zhibin, Marketing Manager, Automotive Industry, Analog Devices, China
Based on long-term deep MEMS technology accumulation and a deep understanding of automotive applications, ADI has made long-term planning and strong investment in automotive MEMS sensor products. At present, we have established a complete product line of high-precision and high-performance airbags, stability control, and rollover control, and can support customers at the system level.
In addition, ADI also has accelerometers and gyroscopes in the field of car navigation to meet blind zone navigation and inertial navigation with or without satellite signals.
Smart car safety system, two new development trends
At present, one of the development trends of smart car safety systems is that the loading rate of airbags and the number of stability control (ESC) systems is rising rapidly. We know that one of the characteristics of automotive technology development is that more and more components are electronically controlled. Therefore, the number and scale of electronic systems are constantly expanding, and in particular, more MEMS sensors are needed to sense different parts of the collision and the posture of the vehicle. At the same time, the reduction of system complexity and system cost through the integration of multiple sensors is another major trend in the development of automotive safety systems.
ADI has nearly 20 years of experience in collision sensor design and related knowledge accumulation and technology. Mr. Xu Zhibin said, "ADI has delivered more than 500 million MEMS sensors to date." It is understood that ADI's new generation of airbag acceleration sensors ADXL185/ADXL189/ADXL188/ADXL288, angular speed sensor ADXRS800 for ESC and Rollover/Roll stability A number of system functions are integrated internally, such as self-test, signal bandwidth setting, threshold triggering, and excellent resistance to vibration. At the same time, digital interfaces and high levels of integration help customers reduce system costs.
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