The IQS333 ProxSense® IC is a 9-channel projected (or 7-channel self) capacitive proximity and touch controller with best in class sensitivity, signal to noise ratio and power consumption. Other features include automatic tuning of sense electrodes, internal reference capacitor and internal regulator to reduce total system cost.

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

Features: Applications
  • 7 Self or 9 Mutual Channel Capacitive Controller
  • 2 Configurable 11-bit sliders/scroll wheels
  • Advanced on-chip digital signal processing
  • 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
  • 8 PWM LED/ GPIOs drivers (5mA source/10mA sink)
  • Low Power, suitable for battery applications
  • Supply voltage: 1.8V to 3.6V


  • White goods and appliances
  • Office equipment, toys
  • Medical and test equipment 
  • Blu-Ray, DVD players, TVs



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Application Notes: