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Azoteq IQS525 Trackpad IC

Azoteq IQS525 projected capacitive touch and proximity trackpad/touchscreen controller features high sensitivity, excellent signal to noise ratio, and automatic tuning of electrodes. Low power proximity detection allows for extremely low power operation. IQS525 delivers 25 channels with a minimum report rate of 220Hz and a resolution of 1280 x 768. It is ideal for compact capacitive keyboards, remote control trackpads, and portable devices. IQS525 is offered in a 28 pin QFN package.

Features

  • Proximity, touch and snap on each channel
  • Multi-touch support
  • Single and multi-finger gestures
  • 1280 x 768 resolution
  • I²C communications interface
  • ATI: automatic tuning for optimum sensitivity
  • 1.65V to 3.6V Supply Voltage
  • Proximity low power operation (<10µA)
  • Event mode and streaming modes
  • Internal voltage regulator and reference capacitor
  • 3 active and 2 low power modes
  • On-chip noise detection and suppression
  • QFN-28 package

Applications

  • Compact capacitive keyboards
  • Remote control trackpads
  • Appliances
  • Navigation devices
  • Kiosks and POS terminals
  • E-readers
  • Consumer electronics

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Published: 2013-08-15 | Updated: 2022-03-11