The IQS133 is a fully integrated three channel capacitive touch and proximity sensor with market leading sensitivity and automatic tuning to the sense antenna.



  • 3 Channel input device
  • Automatic tuning to optimum sensitivity
  • Supply voltage 3V to 5.5V
  • Internal voltage regulator and reference capacitor
  • OTP options:
    • Direct (logic level) and serial data output
    • 3 Low power modes (4μA min)
    • Adjustable proximity & touch thresholds
    • Output: Active high and active low (open drain)
  • Proximity detection
  • Automatic drift compensation
  • Small outline MSOP–10 package


  • LCD, Plasma & LED TVs
    • Proximity enabled back lighting
    • Touch keys
  • Wake up from standby detection / touch keys
  • White goods and appliances
  • Office equipment
  • Toys
  • Hermetically sealed human interface devices
  • Replacement for electro-mechanical switches
Let us help you implement your IQS133.
We’ve done it before.
Feel free to order us around.