IQS324
TheIQS324ProxFusion® IC is a sensor fusion device for rotation and angle sensing applications using a diametrically polarised magnet in an off-axis configuration. The included ProxFusion® channel can be used for integrated UI applications or as a wake-up channel.
Main Features
- Highly Flexible ProxFusion® Device
- Hall-Effect Angle Sensor
- 4 Hall plates
- Off-axis orientation
- 16-bit absolute angle output
- <1° angle error1
- Wide operational range
- Automatic Tuning Implementation (ATI)
- Automatic synchronisation with mechanical ratchets
- Hall-Effect Angle Sensor
- ProxFusion® Channel
- Supports self-capacitive or inductive sensing
- Automatic Tuning Implementation (ATI)
- Button UI to detect large changes
- Movement UI to detect small/rapid changes
- Interval UI
- Configurable number of intervals per rotation
- Configurable hysteresis between intervals
- I2C Interface With IRQ/RDY Signal
- Design Simplicity
- PC software for configuration and debugging
- Guidelines for magnet selection and mechanical constraints
- Supply Voltage: 1.8V to 3.6V
- QFN20 Package (3 × 3 × 0.5mm) – 0.4mm pitch
Applications
- Scroll wheels and thumb wheels for computer peripherals
- Applications requiring flexible UI options with sensor fusion
- Mechanical and optical rotary encoder replacements
- Adjustment and control knobs