IQS7222D
The IQS7222D ProxFusion® IC is a multi-sensor, multi-channel device mainly aimed at single finger trackpad applications. The device features I2C compatibility and on-chip computations that allow for an effective response even in the lowest power modes.
Main Features
- Highly flexible ProxFusion® device
- 9x external sensor pad connections (QFN20)
- Configure up to 14 channels using the external connections
- External sensor options:
- Up to 8x self capacitive sensors
- Up to 14x mutual capacitive sensors
- Up to 4x inductive sensors
- Built-in basic functions:
- Independent channel automatic tuning
- Noise filtering
- Debounce & Hysteresis
- Dual direction trigger indication
- Built-in Signal processing options:
- Single finger gesture recognition:
- Swipes (up, down, left, right)
- Adjustable swipe length, angle and time duration
- Taps (single taps)
- Adjustable tap size and time duration
- Flick
- Trackpad:
- XY coordinate slider output
- Dynamic XY coordinate filtering
- XY coordinate calibration
- Single finger gesture recognition:
- Design simplicity
- PC Software for debugging and obtaining optimal settings and performance
- Auto-run from programmed settings for simplified integration
- Automated system power modes for optimal response vs consumption
- I2C communication interface with IRQ/RDY(up to fast plus -1MHz)
- Event and streaming modes
- Customizable user interface due to programmable memory
- Supply Voltage 1.8V to 3.5V
- Small packages
- QFN20 (3 x 3 x 0.5 mm) - 0.4 mm pitch
Applications
- Wearables
- Waterproof inductive buttons
- Navigation controls
- Low power wake-up / proximity sensor
- Office equipment, toys, sanitary ware
- Replacement for electromechanical switches and keypads
- White goods and appliances