Main Features

• Highly flexible ProxFusion® device
• 13 (QFN20) / 11 (WLCSP18) external sensor pad connections
• Self-/Mutual-capacitive sensors configuration for display wake-up
• ULP wake-up on touch
  • Dedicated Ultra Low Power wake-up touch sensor or
  • Wake-up on screen/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
  • Up to 2 fingers tracking
  • High resolution coordinate outputs
  • Fast response: Coordinate report rate up to 100Hz
  • Individual sensor touch
  • Integrated touch size output (area and strength) for touch integrity
  • Single finger 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 and manufacturing support
  • Touch pattern layout drawing
  • Full FPC layout package (example & customised)
  • Test guide for touch pattern
  • RFI immunity design support
• Design simplicity
  • PC Software for debugging and obtaining optimal performance
  • One-time settings programming (during MP) or pre-programmed devices
  • Auto-run from programmed settings for simplified integration
  • No production line calibration required
• Display cover lens thickness
  • Minimum thickness: 0.5mm
  • Maximum thickness: 2-4mm depending on design parameters
• Minimize display noise
  • Advanced DSP for touch performance
  • Display and charger interference avoidance
  • Auto adjusting digital filters
• Supports different display touch panel types
  • On-cell
  • Add-on touch panel
• Supporting up to 2.5" panels
• Screen resolution
  • 256 per channel
  • Example: 2048x768 (9x4 channels), 1536x1280 (7x6 channels)
• Automated system power modes for optimal response vs consumption
• I2C communication interface with IRQ/RDY(up to fast plus -1MHz)
• Event and streaming modes
• Customisable user interface due to programmable memory
• Supply voltage
  • 1.8V(-5%) to 3.5V @ 14MHz
  • Minimum 2.2V @ 18MHz
• Small packages
  • WLCSP18 (1.62x 1.62x0.5 mm) - interleaved 0.4mm x 0.6mm ball pitch
  • QFN20 (3 x 3 x 0.5 mm) - 0.4mm pitch

Gestures

• Single tap
• Double tap
• Triple tap
• Press-and-hold
• Swipe X+ (with continuous swipe configurable)
• Swipe X- (with continuous swipe configurable)
• Swipe Y+ (with continuous swipe configurable)
• Swipe Y- (with continuous swipe configurable)
• Swipe and hold X+
• Swipe and hold X-
• Swipe and hold Y+
• Swipe and hold Y-
• Palm (Flat hand)

Applications

• Fitness bands
• True Wireless Stereo (TWS) earbuds
• Game controller touch pads
• Headphones