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IQS227AS Datasheet, PDF (1/31 Pages) List of Unclassifed Manufacturers – Single Channel Capacitive Proximity/Touch Controller
IQ Switch®
ProxSense® Series
IQS227AS Datasheet
IQ Switch® - ProxSense® Series
Single Channel Capacitive Proximity/Touch Controller
The IQS227AS ProxSense® IC is a fully integrated Self Capacitive sensor with dual outputs
(Touch and Proximity outputs).
Features
 Sub 2.5µA in Low Power Mode while sensing Proximity
 Automatic Tuning Implementation (ATI) - Automatic tuning of sense electrode
 Internal Capacitor Implementation (ICI) – reference capacitor on-chip
 Supply voltage: 1.8V to 3.6V
 Minimum external components
 Data streaming option
 Advanced on-chip digital signal processing
RoHS2
 User selectable (OTP): 4 Power Modes
IO sink / source
Compliant
Time-out for stuck key
Output mode (Direct / Latch / Toggle)
Proximity and Touch Button sensitivity
6 pin TSOT23-6
Representations only,
not actual markings
Applications
 LCD, Plasma & LED TVs
 GSM cellular telephones – On ear detection / touch keys
 LED flashlights or headlamps
 White goods and appliances
 Office equipment, toys, sanitary ware
 Flame proof, hazardous environment Human Interface Devices
 Proximity detection enables backlighting activation
 Wake-up from standby applications
 Replacement for electromechanical switches
 Find-In-The-Dark (FITD) applications
 Automotive: Door pocket lighting, electric window control
 GUI trigger on Proximity detected
Available options
TA
TSOT23-6
-40°C to 85°C IQS227AS
Copyright © Azoteq (Pty) Ltd 2015
All rights reserved
IQS227AS Datasheet
Revision 1.05
Page 1 of 31
October 2015