IQS7211A
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
Applications
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- Fitness Bands
- True Wireless Stereo (TWS) earbuds
- Game controller touch pads
- Headphones
