The IQS263B ProxSense® IC is a 3-channel projected or self capacitive proximity and touch controller with best in class sensitivity, signal to noise ratio and power consumption. Other features include automatic tuning for sense electrodes, internal reference capacitor and internal regulator to reduce total system cost.

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Status: Production Mouser DK Electronics Seltech logo 2017 Future H CMYK LG


  • 3 Self or Mutual Channel Capacitive Controller
  • Configurable 8-bit 2/3 channel slider or 3 channel scroll wheel
  • Up to 80Hz report rate - On chip Movement Detection algorithm - SAR compliance
  • IEC 62209-2 ed1.0 and the FCC KDB 616217–D04
  • Left, right flick and tap gestures
  • Automatic adjustment for optimal performance (ATI)
  • User selectable Proximity and Touch thresholds
  • Long proximity range - Automatic drift compensation
  • Fast I2C Interface - Event mode or streaming modes
  • Hibernation mode
  • Low Power, suitable for battery applications
  • Supply voltage: 1.8V to 3.6V - 3μA Active sensing in LP mode
  • 100μA at 40Hz report rate


  • Remote controls
  • SAR detection for tablets and mobile phones
  • SAR detection for wireless charging stations
  • Sliders/Scroll wheels for remote controls
  • Movement detection devices
  • Volume Control & Lid closure detection for laptops
  • MP3 players
  • Portable Electronics
  • Wearable Electronics


Application Notes: 

a b csar sensor, sar psensor, specific absorption rate, sar iqs128, sar iqs229, sar iqs263
Specific Absorption Rate, SAR, Sensor, Psensor