Capacitive touch-screen controllers

  • 22-Jul-2010 01:52 EDT
CY AEC-Q100 HMI devices.jpg

Cypress offers automotive-qualified versions of its TrueTouch touch screen and Local Interconnect Network (LIN)-capable CapSense touch-sensing controllers. Based on Cypress’ flagship PSoC programmable system-on-chip architecture, the devices meet AEC-Q100 standards. According to Cypress, the TrueTouch controllers mark the industry’s first automotive-qualified capacitive touch-screen solution. The CY8C2x345 CapSense controllers pair analog resources with automotive industry-standard LIN communication support, making the devices suitable system controllers to interface with analog and capacitive touch-sensor inputs, and to control backlight LEDs and haptic actuators while communicating over the LIN bus. Available in single-touch, multitouch gesture and multitouch all-point offerings, the TrueTouch controllers provide the ability to track multiple fingers simultaneously. The TrueTouch solutions are able to control screen sizes up to 9 in. They are designed for use in control panels, GPS, and infotainment displays.

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