ECU family for off-road vehicles is safety-certified

ECU family for off-road vehicles is safety-certified

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By Christoph Hammerschmidt

TTControl has received the first ISO 26262:2018 certification for its off-the-shelf electronic control units for the off-highway market. This enables the use of the electronic controllers designed for rough operating conditions in road vehicle electrical and electronic (E/E) systems.TÜV Nord certified the functional safety and the compliance with the ASIL C integrity level of the HY-TTC 500 electronic controller family when programmed in C. 

The HY-TTC 500 family consists of high-end safety electronic control units designed to satisfy upcoming needs for a wide range of high-end applications like construction and agricultural machinery or the automotive industry. The freely programmable high-end electronic controllers, with a powerful dual-core ARM Cortex-R4 lockstep processor, are protected by a compact, automotive-style housing suited for harsh environments. 

They can be used as a platform for vehicle prototyping and development and as a versatile control unit for series programs, e.g., as a vehicle control unit (VCU), for (electrical) power train applications or vehicle dynamics control systems – even in low-volume programs.

The ECU family at hand series consists of high-end safety-control units, designed to build up a safe, centralized electronic architecture using a single controller for the whole vehicle. A single controller architecture can be used in a wide range of automotive and off-highway applications to handle electronic complexity, save costs and increase safety. 

ISO 26262 is relevant for safety-related systems that include one or more electrical or electronic (E/E) system installed in series production road vehicles, including buses and trucks. So far, the HY-TTC 500 family has fulfilled the IEC 61508, ISO 13849 and ISO 25119 safety standards. Now, the entire ECU platform covering both hardware and software when programmed in C complies with the even stricter requirements for functional safety under ISO 26262:2018, as a safety element out of context (SEooC). 

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