Electronic enthusiasts' news : At this stage, the active safety market has maintained rapid growth, and major semiconductor manufacturers have accelerated their deployment in the field of automobile active safety, and strive to gain a slice of the automobile safety market. Through the following three sets of statistical data, we can easily see that the market potential of automotive safety systems, especially active safety, in the next few years is infinite.
(1) According to market research company Strategy AnalyTIcs, the global active security market is expected to grow by 15% from 2011 to 2016;
(2) According to IHS isuppli's automotive research special report, in 2012, the total revenue of the three major ADAS technologies such as adaptive cruise control system (ACC), lane departure warning (LDW) and side object detection (SOD) will reach 2.69 billion The increase in the US dollar is as high as 63%. It is not difficult to see from these data that the potential for automotive active safety development is huge;
(3) According to statistics, the average active safety equipment rate per vehicle in China is 1.7 times lower than the global average.
From the above statistics, we find that the active safety of automobiles is in full swing from a global perspective. Due to China's special market conditions, China's active safety application market is still in the initial stage of development. Although the current Chinese automotive active safety market is not yet mature, with the rapid development of active safety systems, its market potential is unlimited. At present, some vehicles in China are equipped with ABS (Automatic Anti-lock Braking System) and ESP (Body Electronic Stability System), and it is expected that they will continue to catch up with the average deployment rate of the global market in the future. In addition, with the strong technical and financial support of well-known semiconductor manufacturers, the vigorous promotion of global OEMs and the rapid improvement of automotive users' safety awareness, the market of China's automotive active safety system is bound to usher in a period of rapid development.
In general, whether in the selection of passive safety products or active safety products, the Chinese market places more emphasis on the cost-effectiveness of products or solutions, which is relatively price sensitive. Electronics enthusiasts network integrates the introduction of well-known semiconductor manufacturers on the active safety of automobiles, such as Freescale, Infineon, Fujitsu, Texas Instruments, ADI, ON Semiconductor, etc., to readers. At the end of this article, there is also the latest sharing of active technical experts from various manufacturers on active safety.
Freescale
Freescale is a leader in the automotive semiconductor industry. It mainly provides automotive microcontrollers, intelligent analog devices and sensors. The products are widely used in automotive power systems, automotive chassis and security systems, automotive body electronics, anti-theft systems and automotive entertainment systems. In the company, the company is committed to improving vehicle comfort and improving vehicle safety through intelligent driving, assisted driving, active safety, and cooperation with other automotive electronic systems. To develop a higher degree of integration, reduce the size, reduce power consumption and cost of devices for functional safety standards, and also support safety process design and safety software.
Main products : including the SCP2200 series of new image recognition processors (ICPs) for the driver assistance system market; the world's first Ethernet-based surround-view parking system jointly launched by OminiVision and Broadcom; 77GHz high-speed radar chip based on a new semiconductor process and many more.
Specific cases : 77GHZ-based automatic cruise control system (ACC); radar-based emergency braking assistance system (EBA); 24GHZ-based blind spot detection system (BSD); ultrasonic-based parking assistance system; based on multi-camera look-around system.
Infineon
Infineon can provide a total solution for active safety in automotive electronics, or one of the few semiconductor suppliers in the world that can provide 77GHz radar chips for ADAS. Help customers optimize system design, shorten development time, and reduce system cost. Infineon believes that automotive safety systems are gradually developing from passive safety to active safety, and the next development direction will be Pro-AcTIve.
Main products : The product line covers sensors, microprocessors and power drive devices, which are applied to multiple electronic active safety systems, including ABS, ESP, EPS, ACC, DWS, TPMS, FCWS, HMWS, LNVS and IPPS, etc. system.
Specific case : Infineon's SP37 sensor and TDA5200 series of RF receiving chips, the TPMS hardware system is widely used in the world. In the EPS system, the XC2000 or TriCore microprocessor, coupled with the TLE718X series motor pre-driver chip, and the angle (TLE50XX) / torque sensor (TLE499X) chipset has become the first choice of major car manufacturers and EPS component manufacturers .
Fujitsu
Fujitsu attaches great importance to the automotive active safety market, and can provide a variety of system solutions to help customers achieve the purpose of reducing development difficulty, shortening development time, and reducing system costs, such as the use of software and hardware platforms, and the effective use of the network to achieve complex functions, based on Model software development method (AutoSAR) and so on. One of Fujitsu's current research focuses on active safety is the vision-based active safety system. Fujitsu can provide the world's leading three-dimensional surround view system (OmniView system), which is stitched into a three-dimensional (traditional scheme is two-dimensional) visual field through the video input of four cameras, which can effectively avoid the possible cause of the two-dimensional overhead system. Misjudgment.
Main products : Semiconductor devices: The latest FR81S series 32-bit MCU and 16FXS series 16-bit MCU are very suitable for active safety applications. At present, FR81S series products are widely used in electric vehicle main drive motor control system, TPMS, LDWS and other safety systems.
Specific case : Taking FR81S series products as an example, it provides 5-stage pipeline, supports floating-point arithmetic, MCU self-diagnosis module, and other rich peripheral resources, which can meet most of the resource requirements of active safety systems for MCU; in addition, FR81S also supports Backup RAM, ADC range comparison function, single-line debugging and other features that are very helpful for system development.
Texas Instruments
TI has always been deeply rooted in the automotive safety market, with better optimization in terms of product performance and cost. Automobile active safety development trend: integration, ABS will gradually transition to ESC, and integration with EPB; EPS part will be transformed into electric power steering in the future; the addition of radar, video, digital signal processing technology brings more powerful preprocessing and forecasting Police function; Active safety technology for electric / hybrid vehicles.
Main products : Hercules TMS570 safety microcontroller (MCU), power supply TPS65381, drive circuit, analog device, etc.
Specific case : TI's "SafeTI" design suite for functional safety can greatly simplify the customer's system safety design; Hercules TMS570 safety microcontroller (MCU) for ISO26262 automotive electronics safety standard makes the system design more streamlined and can further satisfy Applications that require high security and real-time processing; TMS570 series products have a full coverage product line from low-end to high-end, and can be widely used in advanced driver assistance systems, electric power steering, hybrid vehicles and electric vehicles, ABS / ESC, Airbag, electronic assisted parking and other applications.
ON Semiconductor
In the automotive field, ON Semiconductor focuses on certain application areas and develops related intellectual property rights (IP) and products to provide customers with appropriate silicon chips to meet customer needs. Automotive electronic functions can be controlled by wire, and ON Semiconductor has made achievements in this field.
Main products : audio DSP, tuner, LCD driver, pump drive, electric power steering EPS, lighting, car door, parking assist and car air conditioning, etc.
Specific cases : applications such as airbags, power steering and power braking systems, power braking, indirect tire pressure monitoring, night vision and parking assistance
ADI
In terms of active safety in automotive electronics, ADI's research and development focuses on rollover and stability control (ESC) and advanced driver assistance systems (ADAS radar / vision). The rapid increase in the number of mass production is the electronic stabilization system. One development trend of the electronic stabilization system is to increase the anti-rollover function and the ramp parking function on the basis of traditional ESP; the fusion of multiple sensors reduces the complexity of the system and System cost.
Main products : MEMS acceleration sensor, angular velocity sensor, digital interface, DSP, video converter, video amplifier, signal chain products
Specific case : ADAS system based on vision and radar; ADI is a vehicle-mounted radar system; rollover and stability control (ESC)
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Detailed introduction of major semiconductor manufacturers in the field of automotive active safety
　　 In response to functional safety standards, Freescale improves the automotive active safety product line: [ Details ]
　　 Infineon experts talk about car safety, Pro-Active is the trend: [ details ]
　　 Fujitsu Technical Expert: Vision-based automotive active safety technology: [ Details ]
　　 Texas Instruments: Upgrade active safety to standard configuration: [ Details ]
　　 Active safety market continues to grow, ON Semiconductor focuses on the automotive field: [ Details ]
　　 Active car safety: ADI is optimistic about ADAS and ESC: [ details ]
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