Tools and parts used in designing a reliable automotive network.
Automotive networking technology is evolving fast, driven by a number of key trends. With a continuously increasing quantity of cars on the road and rising fuel costs, demand for energy efficiency is steadily growing. Worldwide legislation is establishing ever-stricter caps on CO2 emissions. The spotlight is also on functional safety. With the ISO 26262 automotive standard increasingly moving into applications that were not typically safety-relevant, the bar is moving upwards and we are seeing increasingly granular system safety concepts. At the same time, complexity is on the incline. Growing consumer expectations are pushing for new and innovative comfort and safety features also in low-end segments, and this, in turn, is putting pressure on semiconductor manufacturers to reduce complexity through hardware/software compatibility and design-in support.
Last but not least, standardized, high-performance communication interfaces and protocols are needed to support the growing volume of data shared across automotive networks. CAN and LIN are the most commonly used in-vehicle networking interfaces. High-speed infotainment tends, however, to rely on Ethernet, MOST and LVDS, but these involve high implementation costs. CAN Partial Networking and CAN Flexible Data-rate (e.g. CAN FD) can help to balance the cost performance ratio here.
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