IQS228AS

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 -20°C to 85°C TSOT23-6 IQS228AS Copyright © Azoteq (Pty) Ltd 2016 All rights reserved IQS228AS Datasheet Revision 1.08 Page 1 of 30 September 2017 IQ Switch® ProxSense® Series Contents 1 OVERVIEW ..........................................................................................................................................................4 2 PACKAGING AND PIN-OUT ..................................