IQS211A Datasheet (data sheet) PDF





IQS211A Datasheet, Single Channel Capacitive Proximity/Touch Controller

IQS211A   IQS211A  

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ProxSense® Series IQS211A Datasheet Si ngle Channel Capacitive Proximity/Touch Controller with movement detection Th e IQS211A ProxSense® IC is a self-capa citance controller designed for applica tions where an awake/activate on proxi mity/touch function is required. The IQ S211A is an ultra-low power solution t hat uses movement detection for applica tions that require long term detection. The IQS211A operates standalone or I2C and can be configured via OTP (One Tim e Programmable) bits. RoHS2 6 pin TSO T23-6 Features Compliant Representat ions only, not actual markings  Pin compatible with IQS127D/ 128/ 227AS/ 228AS/ 231A o Runtime switch

IQS211A Datasheet, Single Channel Capacitive Proximity/Touch Controller

IQS211A   IQS211A  
 Automatic Tuning Implementation (A TI)  On-chip movement detection algo rithm  Forced activation when moveme nt detected  Minimal external compon ents  Down to 10aF capacitance resol ution to standalone mode  Separate MOVEMENT output selection: Pulse Freque ncy Modulation (PFM, default), Pulse Wi dth Modulation (PWM), Latched, or PWM o nly  Up to 60pF sensor load (with e ffective active in activation movemen t detection)  Low power consumption :  Up to 200pF sensor load for touc h o 80uA (50 Hz response), applicatio n o 20uA (20 Hz response)  Multipl e One-Time-Programmable (OTP) options o sub-2uA (LP mode, optional zoom to sc anning mode with wake-up)  Standalo ne direct outputs:  Low power optio ns: o Primary output (configurable) o Low power without activation Default: ACTIVATION o Low power within activat ion o Secondary output (configurable) o Low power standby modes with Defaul t: MOVEMENT proximity wake-up / reset wake-up  1-Wire streaming interface :  Internal Capacitor Implementatio n (ICI) o 1-Wire & event CLK signal o Valuable for debugging  Various I2C configurations:  Supply voltage: 1. 8V to 3.3V  Low profile TSOT23-6 pac kage o Normal polling o Polling with RDY interrupt on SCL Applications  Wearable devices  Movement detection devices an








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