Now, for many drivers or traffic managers, safety is the most critical issue in the automotive industry. The goal of the entire automotive industry is of course zero injuries and zero deaths. This is true for any car manufacturer in the world. An incredible result, but a positive and very noble goal, which requires the deployment of more passive safety systems in automobiles, and encourages electronic system developers to devote a lot of energy to more safety monitoring systems Design and development, such as improving existing technologies such as airbags, stability control, and tire pressure monitoring, and gradually shifting passive safety to more active safety and blind spot detection, adaptive driving, cruise control systems, and even lane departure warning Wait.
To realize these safety concepts, we cannot rely solely on products such as Freescale ’s microcontrollers, but also need to have in-depth interaction with comprehensive road driving information. For example, to be able to interact with traffic signals and information along roads and highway infrastructure, we must implement vehicles. Interactive communication with the car to avoid any accidents. Therefore, for the entire car safety driving system, the vehicle information network is also an indispensable link in the safety field.
The ultimate goal of automotive development is smart mobile devices, which will contain all the trends of smart mobile devices. Of course, a complete information processing terminal platform is essential. Requiring automotive networking is not just a need for safety. Users also need to obtain information during driving and enjoy audio and video entertainment. The high-quality in-vehicle infotainment system is an important attraction in determining the purchase interest of consumers in mid- to high-end cars. The demand for high-quality audio-visual entertainment systems and network communication functions is even stronger than the best smartphones available. To this end, Freescale Semiconductor launched the i.MX 6 series of quad-core, dual-core and single-core application processors, which can integrate up to four ARM Cortex-A9 cores, and each core can run at a rate of 1.2GHz The performance is 5 times of Freescale's current application processor products. The core advantages of the i.MX 6 series are low power, high cost performance, huge processing space and unmatched compatibility. "By supporting customers in a planned manner to meet automotive and industrial temperature requirements, the i.MX series enables OEMs to accelerate value realization, support the rapid creation of complete end product portfolios, and make adjustments and expansions based on changing market demands.
The interconnection of engines, safety and electronic systems makes cars more and more complex, and the dashboard must show the driver more monitoring information, including key gauges, notifications, parking assistance and collision warning, and even include networking Information and advanced infotainment system. In the past, dashboards or dashboards in cars were very simple, containing only a few analog instruments used to measure distance, speed, RPM, and fuel level. Faced with today's information needs, the space constraints in the car make it clear that providing drivers with detailed status displays becomes a challenge. Dashboard design requires the use of more powerful graphics processors with more RAM to control more complex displays, while keeping material costs at a low level. To overcome these new challenges, manufacturers need to integrate multiple components in their designs, which will increase the cost and complexity of the project. Freescale Semiconductor's Qorivva 32-bit microcontroller (MCU) based on Power Architecture technology supports next-generation automotive dashboard applications. Qorivva MPC5645S minimizes complexity by integrating these subsystems into a single chip. The MPC5645S MCU series adds some advanced features to the popular MPC5606S series, such as high-quality digital graphics, dual displays and video input functions (applied to backup camera video sources), while providing sufficient processing power to display efficiently Data from various internal systems.
With the development of hybrid and electric vehicles, automotive power devices and batteries have become the most promising applications in the automotive electronics market. At the same time, in today's automobiles, the increasing electrical load poses challenges to batteries. Automobile failures caused by electrical systems can usually be traced back to lead-acid batteries, which can generally be avoided by knowing the exact state of the battery. The battery must be able to provide enough energy to start the engine and serve as a backup power source to support new hybrid vehicle functions, such as start-stop and intelligent alternator control. In addition, the power consumption of the battery sensor needs to be as low as possible to ensure energy efficiency. Freescale has launched the MM912J637 Intelligent Battery Sensor (IBS) for battery applications in electric vehicles. It can accurately measure the voltage, current, and temperature of lead-acid batteries and calculate the battery status, even under harsh driving conditions Can be completed. With the advent of hybrid vehicles and the increase in the overall electronic content of automobiles, as well as the introduction of start-stop systems, it is becoming increasingly important to be able to accurately assess these battery parameters.
The MM912J637 smart battery sensor provides designers with a powerful and cost-effective solution that enables precise measurement of key battery parameters in automotive and industrial applications. Freescale's fully integrated battery monitoring devices communicate using a local interconnect network (LIN). It includes a dual-channel 16-bit analog-to-digital converter (ADC) that can simultaneously measure battery voltage and current, and an independent 16-bit analog-to-digital converter for temperature measurement. The smart battery sensor provides high-resolution and accurate monitoring, and can even make a correct prediction of the battery health status, charging status and functional status even in the worst case. Car-certified in-vehicle LIN networks communicate these parameters regularly or as required.
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