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Fail-safe system basis chips eye in-vehicle networking

Posted: 25 Jun 2007 ?? ?Print Version ?Bookmark and Share

Keywords:in-vehicle networking? CAN-LIN SBCs? CAN? electronic control units?

NXP Semiconductors unveils the world's first family of fail-safe CAN-LIN system basis chips (SBCs) with integrated diagnostics for smarter electronic control units (ECUs), raising the industry standard for in-vehicle networking. NXP has launched two new fail-safe SBCs, the UJA1061 fault-tolerant CAN/LIN SBC and the UJA1065 high-speed CAN/LIN SBC.

Capable of supporting all in-vehicle networking (IVN) applications that control various power and sensor peripherals by using fault-tolerant CAN or high-speed CAN as the main network interface and LIN as a local sub-bus, the fail-safe SBCs offer car manufacturers an intelligent combination of system-specific functions. These include an advanced fail-safe system behavior that prevents any conceivable deadlock, detailed status reporting on system and sub-system levels, safe and controlled system start-up behavior and smart operating and power management modes. The devices also enable engineers to create partial CAN networks.

"NXP's new fail-safe SBCs are based on insights from carmakers, who need reliable networks for various in-car communications and also do not allow for battery drainage or network deadlock should any ECU fail," said Rob Bouwer, international product marketing manager, NXP. "The diagnostic capabilities of the NXP SBCs further enhance consumer experience by detecting and logging problems that get resolved at the service shop, before the driver notices."

NXP's fail-safe SBCs offer versatility of integration with various car manufacturers for different applications, including body control modules, rain and light sensors, seat and door modules, as well as HVAC systems. The SBCs help improve network reliability by keeping ECU faults locally, preventing adverse effects on the entire network. These SBCs also support intelligent, restrictive activation of only those ECUs required for communications to ensure low levels of power consumption.

The fail-safe SBCs for in-car applications is available now. NXP plans to expand the product family in Q3 '07 with the UJA1069 fail-safe LIN SBC and in Q4 '07 with the UJA1066 fail-safe high-speed CAN SBC.

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