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Automotive-qualified touch-sensing portfolio features capacitive touchscreen solution

May 18, 2010 // Paul Buckley

Automotive-qualified touch-sensing portfolio features capacitive touchscreen solution

Cypress Semiconductor Corp., has announced automotive qualification of the company’s TrueTouch touchscreen and LIN capable CapSense touch-sensing controllers.


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The devices, based on Cypress's flagship PSoC programmable system-on-chip architecture, meet AEC-Q100 standards, giving Cypress the industry's broadest portfolio of automotive-qualified capacitive touch-sensing technology. The TrueTouch controllers mark the industry's first automotive-qualified capacitive touchscreen solution. The CY8C2x345 CapSense controllers pair analog resources with automotive industry standard LIN communication support, making the devices the ideal 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.

Cypress also announced that Grace Semiconductor in Shanghai, China has been qualified to fabricate automotive-grade CY8C2x345 CapSense controllers that adhere to the AEC-Q100 standard, ISO/TS 16949 quality management standard and Cypress's Zero Defect manufacturing system.

The new automotive-qualified TrueTouch controllers - which are available in single-touch, multi-touch gesture and multi-touch all-point offerings - provide the ability to track multiple fingers simultaneously. The TrueTouch solutions are able to control screen sizes up to nine inches. They are designed for use in control panels, GPS and infotainment displays.

Cypress's automotive-qualified CapSense devices enable attractive, highly functional interfaces with improved durability over mechanical buttons and sliders. In addition, their industry-leading reliability, noise-immunity and water-resistance deliver superior performance in the harsh automotive operating environment. CapSense proximity sensing offers a detection range up to 25 cm, saving power by activating an interface only when needed. The devices are ideal for interior automotive applications such as audio, navigation, AC control and lighting control, as well as exterior applications such as trunk release and passive keyless-entry buttons.
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