IQ Switch®
ProxSense® Series
ProxSense® IQS263B Datasheet
3 Channel Capacitive Touch and Proximity Controller with 8-bit Resolution
Slider or Scroll Wheel
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.
Main Features
• 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 in mobile devices according to the IEC 62209-2 ed1.0
standard and the FCC standard (KDB 616217 – D04 SAR for laptop and
tablets v01)
• Left and right flick gesture recognition
• Automatic adjustment for optimal performance (ATI)
RoHS2
Compliant
• 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
IQS263B MSOP10 / DFN 10
Representations only, not actual
markings
• Supply voltage: 1.8V to 3.6V
• <3µA Active sensing in LP mode
• <100µA full running current up to 40Hz report rate
Applications
• SAR detection for tablets and mobile phones
• SAR detection for wireless charging stations (operating frequency > 100MHz)
• SAR detection for USB dongle-type devices
• Sliders/Scroll wheels for remote controls
• Movement detection devices (anti-theft)
• Volume Control & Lid closure detection for laptops
• MP3 players
• Portable Electronics
• Wearable Electronics
Copyright © Azoteq (Pty) Ltd 2018
All rights reserved.
IQS263B Datasheet V1.04
Page 1 of 52
October 2018
