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NXP's CAN transceivers approved for Volkswagen cars

Posted: 19 Feb 2014     Print Version  Bookmark and Share

Keywords:NXP Semiconductors  CAN transceiver  Volkswagen  electro-magnetic interference 

NXP Semiconductors N.V. has revealed that Volkswagen has approved Mantis for its vehicles without the need for a common-mode choke, enabling significant system cost savings in applications. According to the company, the family of HS-CAN transceivers allows system cost savings with chokeless EMC performance.

With increasing functions being introduced into the car, the performance of a modern IVN becomes increasingly critical to the vehicle's safe and reliable operation, with electro-magnetic emission and immunity against electro-magnetic interference being critical parameters to control. Automotive manufacturers define strict specifications which all transceivers must adhere to before being approved for use in the vehicle. Traditionally, a common-mode choke has been required to reach the performance limits in the application, creating an additional cost of approximately $0.10 to $0.15 per module.

The transceivers' performance has reached a level where Volkswagen can successfully remove this additional filtering component and still meet the company's strict requirements. This not only reduces costs of applications, but also reduces module space and allows greater design flexibility.

This announcement marks the first time a German automotive manufacturer has approved a CAN transceiver for use in vehicles without a common-mode choke since the introduction of the stringent EMC requirements, including "Hardware Requirements for LIN, CAN and FlexRay Interfaces in Automotive Application-Audi, BMW, Daimler, Porsche, Volkswagen," Revision 1.3/2012.

Mantis CAN transceivers

All members of the Mantis family are dual-sourced from wafer fabs in the Netherlands and Singapore to provide an agile, high-capacity and secure manufacturing base. The Mantis family of products was released in August 2013.

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