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IQS228AS Datasheet, PDF (1/30 Pages) List of Unclassifed Manufacturers – Single Channel Capacitive Proximity/Touch Controller
IQ Switch® ProxSense® Series
IQS228AS Datasheet
IQ Switch® - ProxSense® Series
Single Channel Capacitive Proximity/Touch Controller
The ProxSense® IQS228AS is a single channel self-capacitive sensor with Dynamic Calibration
(DYCAL™) to allow for sensor drift during prolonged activation.
Features
 1 Self capacitive channel
 DYCAL™: Intelligent Hysteresis
 Proximity and Touch outputs
 Automatic Tuning
 Internal Reference Capacitor
RoHS2
 Minimum external components
 1-Wire data streaming
 I2C Debug option
 User selectable options (OTP):
 Ext sync control or Ext filter control
 I/O Sink or Source selection
 Time-out for stuck key
 Proximity and Touch sensitivity selections
 Low Power modes
 Low power mode 2.5A
 Supply voltage: 1.8V to 3.6V
Compliant
6 pin TSOT23-6
Representations only,
not actual markings
Applications
 Proximity sensors
 SAR detection for Tablets
 On-ear detection for mobile phones
 3D glasses
 Personal Media Players
 White goods and appliances
 Human Interface Devices
 Proximity activated backlighting
Available Options
TA
-40°C to 85°C
TSOT23-6
IQS228AS
Copyright © Azoteq (Pty) Ltd 2015
All rights reserved
IQS228AS Datasheet
Revision 1.05
Page 1 of 30
October 2015