New Automotive Touchscreen Controller For Seamless Transition

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Transition between hover, finger and glove touch in a car has been made simpler with the new touchscreen controller from Atmel. As claimed by the company, it is the industry’s first auto-qualified self and mutual-capacitance controllers meeting the AEC-Q100 standards for high reliability in harsh environments.

Specifically designed for capacitive touchpads and touchscreens from five to 10 inches, the new devices support stringent automotive requirements including hover and glove support in moist and cold environments, thick lens for better impact resistance and single-layer shieldless sensor designs in automotive center consoles, navigation systems, radio interfaces and rear-seat entertainment systems, as mentioned in the release. The single-layer shieldless sensor design eliminates additional screen layers, delivering better light transparency resulting in lower power consumption along with an overall lower system cost for the manufacturer.

The automotive-qualified maXTouch mXT641T family incorporates Atmel’s Adaptive Sensing technology. According to Atmel, the revolutionary maXTouch T Series represents the next generation of Atmel’s industry-leading capacitive touchscreen controllers for the mobile market. It features a range of user interface technologies—from active stylus to hover—with cutting-edge performance to create a best-in-breed platform for consumers.

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Adding further, “The mXT641T uses the latest capacitive touch technologies designed by Atmel. With a revolutionary adaptive-sensing architecture featuring both mutual- and self-capacitance, it enables the highest performance with the industry’s lowest power consumption.
With 640 nodes, the mXT641T touchscreen controller supports up to 8 inches (20.32cm)  for Android tablets, 7 inches (17.78cm) for Windows 8 mobile devices, and up to 6.2 inches (15.74cm) for devices with 1.0mm passive stylus. In addition, the mXT641T supports Hover operation, which tracks the position of the finger when it floats within 20mm of the touchscreen.”

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“Atmel is the only automotive-qualified touch supplier with over two decades of experience in designing, developing, and manufacturing semiconductor solutions that meet the stringent quality and reliability standards for our automotive customers,” said, Rob Valiton, Senior Vice President and General Manager, Automotive, Memory and Secure Products Business Units.

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