The IQS7211 ProxFusion® IC is a sensor fusion device targeting the wearable fitness market. A low-power dedicated wake-up touch button launches full trackpad/touchscreen (up to 32 channel) sensing with best-in-class sensitivity and power consumption.

Main Features

  • Highly flexible ProxFusion® device
  • 12 (QFN) / 10 (WLCSP) configurable external sensor pad connections
  • Mutual/Self capacitive sensor configuration for display wake-up
  • ULP wake-up on touch
    • Dedicated Ultra Low Power wake-up touch sensor or
    • Wake-up on display/trackpad
  •  Sensor flexibility
    • Automatic sensor tuning for optimum sensitivity
    • Internal voltage regulator
    • Reference capacitor
    • On-chip noise filtering
    • Detection debounce and hysteresis
    • Wide range of capacitance detection
  • Trackpad/Touchscreen
    • High resolution coordinate outputs
    • Fast response: Coordinate report rate up to 100Hz
    • Individual sensor touch (for up to 32 touch key applications)
    • Integrated touch size output (area and strength) for touch integrity
    • Gesture recognition engine
    • Electrode mapping for optimal PCB layout
    • Configurable coordinate resolution and orientation
    • Compatible with wide range of overlay materials and thicknesses
    • Compatible with multiple 1- and 2- layer sensor patterns
    • Adjustable sensing frequency offset for limiting potential display interference
    • No calibration required – systems automatically compensated for mechanical & temperature changes
    • Water immunity features
  •  Design & manufacturing support
    • Touch pattern layout drawing
    • Full FPC layout package (example & customized)
    • Test guide for touch pattern
    • RFI immunity design support


    • Fitness Bands
    • True Wireless Stereo (TWS) earbuds
    • Game controller touch pads
    • Headphones
We’ve done it before.
If you don’t believe us test it yourself.


  • 1x IQS7211A stamp

Embed into custom design and interface to host MCU to evaluate capacitive functions.

NOTE: Arduino Uno/ST Nucleo not included. CT210/A sold separately.


  • 2x IQS7211A Stamps
  • 1x Rectangle trackpad plugin
  • 1x Flower trackpad plugin
  • 5x IQS7211A Chips
  • 1x CT210A debug and display tool

Connect the plugins to your computer via CT210/A to evaluate capacitive functions with our GUI software.

NOTE: Arduino Uno/ST Nucleo not included.

Azoteq provides software used for the serial streaming of data to a computer utilising the Azoteq USB-dongles. Each IC has its own dedicated software and is intended for prototyping purposes and can be found on the Azoteq website under Software and Tools.

Feel free to order us around.
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