IQS9151
The IQS9151 ProxFusion® IC is a generic and configurable trackpad product aimed to be suitable for
numerous design variations and requirements. The IQS9151 has multi-touch high-performance (linearity, accuracy, low-noise) trackpad outputs, integrated snap button options, and an on-chip gesture recognition engine. The IQS9151 features best-in-class sensitivity, signal-to-noise ratio, and automatic tuning of electrodes. Low-power proximity detection allows extremely low-power operation.
Main Features
- Highly flexible ProxFusion® device
- Self-/Mutual-capacitive sensors configuration for device wake-up
- Ultra Low Power (ULP) wake-up on touch
- RF immunity
- Sensor flexibility:
- Automatic sensor tuning for optimal sensitivity
- Internal voltage regulator
- On-chip noise filtering
- Detection debounce and hysteresis
- Wide range of capacitance detection
- I2C communication interface with IRQ/RDY, up to Fast-Mode Plus (1 MHz)
- QFN52 (6×6×0.75 mm) – 0.35 mm pitch
- Wide input voltage supply range: 2.2 V to 3.5 V > Wide operating temperature range: −40 °C to +85°C
- Trackpad
- Up to 7 fingers tracking
- High-resolution coordinate outputs
- Fast response
- Individual touch sensor
- Snap dome detection
- Integrated touch size output (area and strength) for touch integrity
- Multi-finger gesture recognition engine
- Electrode mapping for optimal PCB layout
- Configurable coordinate resolution and orientation
- Compatible with a wide range of overlay materials and thicknesses
- Compatible with multiple 1- and 2-layer sensor patterns
- Adjustable sensing frequency offset for limiting potential interference
- No calibration required - systems automatically compensated for mechanical & temperature changes
- Design and manufacturing support
- Touch pattern layout drawing
- Full FPC layout package (example & customized)
- Test guide for touch pattern
- RFI immunity design support >
- Design simplicity
- PC GUI software for debugging and obtaining optimal performance
- Easily obtain setup defaults from the GUI header file export
- No production line calibration required
- EEPROM compatibility for default settings storage for auto-startup