IQS7222B
The IQS7222B ProxFusion® IC is a sensor fusion device for various multi-button applications. The sensor is fully I²C compatible, and on-chip calculations enable the IC to respond effectively even in the lowest power modes.
Main Features
- Highly flexible ProxFusion® device
- 9(QFN) / 8(WLCSP) external sensor pad connections
- Configure up to 18 Mutual capacitance buttons or up to 8 self-capacitance buttons
- Built-in basic functions:
- Automatic tuning
- Noise filtering
- Differential measurements (reference channels)
- Debounce & hysteresis
- Dual direction trigger indication
- Design simplicity
- PC Software for debugging and obtaining optimal settings and performance
- One-time programmable settings for custom power-on IC configuration
- 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 -1 MHz)
- Event and streaming modes
- Customizable user interface due to programmable memory
- Supply Voltage 1.8 V (-5 %) to 3.5 V
- Small packages •
- WLCSP18 (1.62 x 1.62 x 0.5 mm) - interleaved 0.4 mm x 0.6 mm ball pitch
- QFN20 (3 x 3 x 0.5 mm) - 0.4 mm pitch
Applications
- Remote Control User Interface
- Home Automation Device User Interface
- Wireless Speaker Controls

