ECU family for off-road vehicles is safety-certified

August 17, 2020 //By Christoph Hammerschmidt
ECU family for off-road vehicles is safety-certified
With the granting of the safety certification according to ISO 26262 for the ECU family HY-TTC 500 from TTControl, a safety-certified vehicle controller for buses and trucks is available. The device can also be used in off-highway mobile working machines; for this class of vehicles it is the first such ECU on the market. Vehicle manufacturers can thus significantly shorten their development phase and launch their products on the market more quickly.

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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