The IQS7222A ProxFusion® IC is a sensor fusion device for applications that require multiple sensing capabilities from a single sensor IC. The sensor is fully I2C compatible and on-chip calculations enable multiple application options. Various UIs from gestures to power mode switching allows the IC to respond effectively in the intended application with ultra-low power consumption.
Main Features
Highly flexible ProxFusion® device
12 sensor pad connections (QFN-20) / 10 sensor pad connections (WLCSP-18)
Configure up to 9 Channels using the external connections or internal sensor
External sensor options:
Up to 8 self capacitive touch / proximity sensing channels
Up to 9 projected capacitive touch / proximity sensing channels
Up to 4 inductive sensing channels
Internal sensor option:Hall-effect switch
Built-in basic functions:
Automatic tuning
Noise filtering
Differential measurements (reference channels)
Debounce & hysteresis
Dual direction trigger indication
Built-in Signal processing options:
Slider output (0-255)
Wheel output (0-255)
Gesture functions (swipe, tap, hold)
Movement detection
Applications
SAR compliance in mobile devices
Wear detection
Multiple slider, wheel & button designs
Waterproof inductive buttons
Low power wake-up buttons / proximity
Hall-effect dock detection
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