CAN interface designed for automotive applications

18th July 2014

Kvaser AB

Nat Bowers

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Datasheet

Already available as a bare board version for embedded applications, Kvaser has introduced application-specific versions of its popular Leaf Light v2 interface. These latest version of the Controller Area Network (CAN) interfaces are designed for automotive and commercial vehicle diagnostic applications.

Leaf Light v2 OBDII provides a simple way of connecting a PC with the on-board computer in any vehicle by means of its USB 2.0 connector and a 16-pin OBDII compliant CAN connector. The Leaf Light HS v2 J1939-13’s USB 2.0 connector and 9-pin J1939-13 compliant CAN connector suits commercial vehicle diagnostic applications.

Kvaser’s Leaf Light product series provide reliable, low cost tools that connect any CAN network to a PC or mobile computer in applications as wide ranging as automotive, mining, marine, military, oil and gas exploration, military, industrial and heavy machinery.

All versions of Leaf Light v2 support high speed USB and can send up to 8,000 messages per second, each time-stamped with 100 microsecond accuracy. Galvanic isolation, previously a more expensive option on Kvaser’s original Leaf Light, now comes as standard, enhancing protection from power surges or electrical shocks.

Used with Kvaser’s CANlib library (free to download from the company’s website), the Leaf Light v2 series provides application programmers with quick and easy access to the CAN network. The software, which can be used across Kvaser’s product portfolio, enables hardware initialisation, bus on/off, setting of bus parameters and buffers, as well as read/write commands.