Azoteq Unveils IQS259 Nine-Channel Capacitive Proximity and Touch Controller

Azoteq, a supplier of capacitive proximity solutions, has launched the IQS259 low power capacitive proximity and touch controller. The novel IQS259 complements the ProxSense family of capacitive proximity and touch controllers, and establishes proximity and touch sensing by introducing new standards through only 8 µA of power usage. The IQS259 is more efficient compared to other similar devices.

Touch Controls for TV

The IQS259 is based on analog and digital circuitry that ensures excellent touch performance and proximity. The IQS259’s high sensitivity contributes to efficient activity through glass with thickness up to 25 mm and proximity detection of 250 mm. The performance ability of the device ranges from 1.8 V to 3.6 V with minimal power consumption up to 8 µA including touch and proximity sensing. The I2C-compatible interface facilitates complete control over the sensor functions directed through a host controller.

A complete series of Azoteq controllers based on the IQS259 technology will be available during Q1 and Q2 of 2012. The upgrades feature economic single-channel devices, self- and mutual capacitive sensors and stand-alone devices in small packages.

The significant features of the IQS259 include I2C interface, proximity and touch on each channel, multiple low-power modes, 9-channel input device, QFN(3x3)-16, multiple keys providing distributed proximity channel, large proximity-detection range, automatic tuning to optimum sensitivity, automatic drift compensation, Internal voltage regulator and reference capacitor and supply voltage ranging from 1.8 V to 3.6 V.

Azoteq’s novel IQS259 has wide applications in consumer electronics such as set-top boxes, TVs, Blu-Ray players, office equipment, educational toys, white goods and appliances; its proximity detection enables activation of backlighting. It provides GUI trigger and GUI control proximity detection, wake-up from standby applications, and used as replacement for electromechanical switches.

Source: http://www.azoteq.com/

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