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Atmel debuts in-vehicle networking sol'ns to cut system cost

Posted: 07 Nov 2014     Print Version  Bookmark and Share

Keywords:Atmel  in-vehicle networking  LIN  system basis chip  voltage regulator 

Atmel Corp. has rolled out its next-generation family of local interconnect networking (LIN) transceivers, system basis chips (SBC) and voltage regulators aimed at automotive body, powertrain, infotainment sensor and actuator applications, among others. The devices claim to be the industry's first to meet OEM hardware recommendations and offer scalable functionality to reduce overall system cost, noted the company.

The products in the portfolio feature an LDO with outstanding minimum supply voltage of 2.3V combined with linear mode current of 130uA to support data storage even during an unexpected shut down. The family is compliant with the latest standards including LIN 2.0, 2.1, 2.2, 2.2A and SAEJ2602-2. Some members of the family also include application specific functions such as relay drivers, watchdog, high-side switches and wake up inputs to enable system designers to build innovative in-vehicle network applications in next-generation automobiles.

The devices are available in DFN packages with heat-slug and wet-able flanks to support optical solder inspection. These next-generation devices also provide a family package footprint so that designers can upgrade their designs with various devices within the LIN SBC family, Atmel added.

According to the company, the ATA6632/33/34 devices feature 3.3V/5V/85mA LDO that make them ideal for low-cost multi-layer ceramic capacitors, 2.3V lowest operating voltage and very low current consumption in linear mode (2V < VS < 5.5V): typically 130uA, supporting emergency data write back to Flash in an unforeseen shut down situation. They also flaunt <15uA sleep current and <290uA normal mode current. The line-up is available in DFN 8 (3 x 3mm) and DFN16 (3 x 5.5mm) packaging, wet-able flanks included, allowing automatic optical inspection of the solder joint.

To accelerate the design development, an evaluation kit is also available to support the new LIN devices. The ATAB663xxxA development kit allows designers to quickly start designing with Atmel's LIN family. The kit is easy-to-use with a pre-defined set-up. All pins are easily accessible for quick testing. The kits allow designers to select master or slave operation with a mounting option for LIN pull-up resistor and series diode.

Samples for all family members are available.

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