AZOTEQ

IQS223

Controller IC
IQS223
Picture
IQS223 imge
Description
3 CHANNEL SELF/PROJECTED PROXIMITY TOUCH
Package
QFN16
Application
3 Keys
Capacitance
Self & Mutual
Interface
GPIO
Channels
3.0
Supply Voltage
1.8V to 3.3V
Low power mode
< 5µA active sensing
Normal operation current
< 200µA normal mode operation at 72Hz sampling rate
Product range
IQS223-z- QNR: QFN 16 package
Key features
• 1 Global proximity wake-up channel (CH0)
• 3 Self or projected channel capacitive controller
• 4 GPIO gesture output pins (80ms pulses; Active high)
• 2 GPIO strap option input pins for sensitivity selections
• Configurable 1-dimensional flick or swipe gesture detection with individual direction output pins
• Tap, hold and swipe gesture recognition and output
• On chip noise filters and calibration algorithm
• Automatic adjustment for optimal performance (ATI)
• Automatic drift compensation
• User selectable proximity and touch thresholds
• Long proximity range with combined sensor pin charging
• Low power options for extensive power saving or wake-up response, suitable for battery applications