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LIN node SiP rolls for automotive actuator apps

Posted: 16 Feb 2007 ?? ?Print Version ?Bookmark and Share

Keywords:AVR? LIN SBC? flash memory? Atmel? ATA6602?

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Atmel Corp. has announced the availability of the ATA6602 and automotive apps" target=_blank>ATA6603 multichip modules, extending the company's current IC portfolio for LIN applications. These devices are designed for automotive actuator applications typically found in comfort electronics as well as in powertrain applications.

Using a multichip-module approach, these ICs combine an MCU (8bit AVR) and a LIN system basis chip (LIN SBC) in a single system-in-package (SiP) without internal connections. As a result, the ATA6602/ATA6603 ICs offer the highest integration level including MCU, voltage regulator, LIN transceiver and watchdog in one package covering the complete basic functionality of a LIN node. These products achieve minimum space requirements, shorter time-to-market due to the simpler system design, and lower sourcing, logistics and assembly cost.

The ATA6602 integrates the automotive-qualified ATmega88 AVR flash MCU with 8Kbytes of flash memory, whereas the ATA6603 incorporates the automotive-qualified ATmega168 with a flash memory of 16Kbytes.

The LIN SBCs within the ATA6602 and ATA6603 modules incorporate the LIN transceiver, an advanced voltage regulator and a watchdog timer. They are manufactured using Atmel's high-voltage BCDMOS process for operation in harsh environments. Due to its silent mode, the LIN SBC provides low power consumption (40?A with activated voltage regulator). It also delivers high immunity against ESD and EMC, various protection functions and a broad I/O voltage range (-40V to 60V) for the LIN bus pin, which is suitable for use in truck applications.

Since the ATA6602 and ATA6603 incorporate AVR MCUs with all pins bonded out, Atmel's standard AVR tools can be used during the development phase. For on-chip debugging, the AVR JTAGICE mkII can be used. A LIN protocol handler is also available. A LIN software library for GCC and IAR C compiler are available for free.

Samples of the ATA6602/ATA6603 in QFN48 (7-by-7mm) packages are available today. Pricing starts at $1.87 for the ATA6602 and $1.99 for the ATA6603, both in 10,000 pieces.

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