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Low-power LIN system basis chip aimed at in-vehicle networks

21 Feb 2014

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Atmel Corp. has introduced a LIN system basis chip (SBC) ATA663254 for low-power local interconnect networking (LIN) systems used for automotive comfort, power-train, sensor and actuator applications. The ATA663254 is the first available device in this family of LIN devices, added the firm.

The LIN SBC devices claim to deliver significantly lower current consumption in various modes of operation. The integrated low dropout voltage regulator (LDO) can be used in combination with low-cost, multi-layer ceramic (MLC) blocking capacitors providing significant cost savings compared to solutions using tantalum capacitors. The improved voltage regulator works down to 2.3V supply voltage with best-in-class current consumption. This enables storing data within the MCU during system shutdown in case of unintended power supply interruption. The advanced features of the ATA663254 enable system designers to design best-in-class in-vehicle network applications in the latest automobiles. The devices are LIN specification 2.0, 2.1, 2.2, 2.2A and SAE J2602-2 certified.

Atmel's cost-optimized and performance enhanced LIN SBC is developed on a proprietary Bipolar CMOS and DMOS-on-Silicon on Insulator (BCD-on-SOI) process technology that combines high-voltage capability with rugged silicon on insulator technology. This combination allows for high-temperature operation, excellent EMC performance and very low leakage currents.

The kit includes a development board that provides all components necessary to drive the ATA663254, choice of master or slave operation, and pins that are easily accessible. It also allows switching into normal, silent or sleep mode, and offers LEDs for operation indication. In addition, it has a ground coulter clip for easy probe connection while measuring with oscilloscope.

Atmel's ATA663254 is available. The device comes in a small DFN8 package with heat slug, wettable flanks for automatic optical inspection and pinout according to the latest OEM hardware recommendations.




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