IQS333 Datasheet (data sheet) PDF





IQS333 Datasheet, Touch and Proximity Controller

IQS333   IQS333  

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IQ Switch® ProxSense® Series ProxSense ® IQS333 Datasheet 9 Channel Projecte d / 7 Channel Self- Capacitive Touch an d Proximity Controller with 2 x 11-bit slider/scroll wheels The IQS333 ProxSe nse® IC is a 9-channel projected (or 7 -channel self) capacitive proximity and touch controller with best in class se nsitivity, signal to noise ratio and po wer consumption. Other features include automatic tuning of sense electrodes, internal reference capacitor and intern al regulator to reduce total system cos t. Main Features • 7 Self or 9 Mutu al Channel Capacitive Controller • 2 Configurable 11-bit sliders/scroll whee ls • Advanced on-chip digital sig

IQS333 Datasheet, Touch and Proximity Controller

IQS333   IQS333  
nal processing • Automatic adjustment for optimal performance (ATI) • User selectable Proximity and Touch threshol ds • Long proximity range • Automat ic drift compensation RoHS2 Compliant • Fast I2C Interface • Event mode or Streaming modes IQS333 QFR32 Repre sentations only, not actual markings 8 PWM LED/Output drivers (5mA source /10mA sink) o Hardware PWM set through I2C memory map – no overhead from hos t o Dimming modes available, up and dow n o Minimum, maximum & adjustable limit levels for dimming modes • Low Powe r, suitable for battery applications Supply voltage: 1.8V to 3.6V • <3 µA Active sensing in LP mode Applicat ions • White goods and appliances Office equipment, toys • Medical an d test equipment • Blu-Ray, DVD playe rs, TVs Available options TA -20°C t o 85°C QFR(5x5)-32 IQS333 Copyright © Azoteq (Pty) Ltd 2018. All rights re served. IQS333 Datasheet Revision 1.13 Page 1 of 52 May 2018 IQ Switch® Pr oxSense® Series Contents FUNCTIONAL OV ERVIEW ................................ ....................................... ....................................... .............................. 3 1 INTR ODUCTION .............................. ....................................... ............................................................................. 3 2 ANALO








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