The IQS9320 ProxFusion® IC is a flexible multi-channel inductive sensing device that supports a high number of channels per device, adjustable trigger points, analog data streaming, and high report rates. The trigger-level UI allows for adjustable trigger point sensitivity resulting in a better user experience with best-in-class sensitivity and power consumption. TriggerMaxallows for dynamic trigger point adjustment on the fly.

Main Features

  • Highly flexible ProxFusion® device
  • Up to 20 Inductive sensors
  • Adjustable trigger point detection
  • Up to 4kHz report rate
  • RF Immunity
  • Sensor flexibility
    • Automatic sensor tuning for optimum sensitivity
    • Internal voltage regulator
    • On-chip noise filtering
    • Trigger point detection hysteresis
  • I2C communication interface with IRQ/RDY (up to fast plus - 1MHz)
  • QFN52 (6 x 6 x 0.75 mm) – 0.35mm pitch
  • Wide input voltage supply range: 2.2V to 3.5V
  • Wide operating temperature range: -40°C to +85°C
  • Selectable I2C address
  • Analog channel data streaming
  • Multi-device matrix key scanning
  • Multi-device synchronized sampling
  • Automatic channel calibration
  • TriggerMax dynamic trigger point adjustment
  • Environmental tracking


  • Mechanical Keyboards
  • Waterproof Buttons (Inductive)
  • Remote Controls
  • Gaming Controllers
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