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HS-CAN transceivers handle 1Mbit/s apps

Posted: 26 May 2009 ?? ?Print Version ?Bookmark and Share

Keywords:CAN transceiver? ESD? communications?

NXP Semiconductors has released the TJA1042 and TJA1051 high-speed (HS)-CAN transceivers that offer enhanced CAN functionality, improved performance, greater reliability, environmentally friendly packaging and reduced system costs. Both products have been approved by major European and North American car manufacturers and are available for sampling and volume production as of today.

Designed for HS-CAN applications up to 1Mbit/s and developed in collaboration with key players in the automotive industry, NXP's new transceivers feature extremely slow electromagnetic emissions and greater protection against ringing effects. This ensures reliable communications over even the most advanced networks, which feature an ever-increasing number of electronic control units (ECUs) and complex bus topologies.

Improved ESD performance (8kV according to the IEC 61000-4-2 standard) allows manufacturers to build ECUs without having to incorporate external ESD protection. This makes it possible to reduce overall system costs significantly while continuing to meet the latest ESD requirements. The transceivers disengage from the bus when they are not powered on or are operating in a 'low power' mode. This results in extremely low current consumption of as little as 10mA typical, enabling effective automotive power management with reduced CO2 emissions. Predictable under-voltage behavior simplifies the design of systems that incorporate Start-Stop functionality. Both transceivers are environmentally friendly, being RoHS-compliant and don't contain any halogenated flame retardants (known as Dark Green).

"These new transceiver products from NXP enable our customers to introduce greener, safer and more reliable cars with reduced system costs," said Toni Versluijs, senior director and general manager CAN/LIN transceivers, NXP.

Fully ISO 11898-2 compliant, the transceivers have been qualified to the appropriate Automotive Electronics Council standard Q100 and are suitable for use in automotive applications. Furthermore, dedicated processes such as Design for Excellence have been employed to ensure a very low level of returns and high production yields from the first product shipments onwards.

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