IQS621 Datasheet (data sheet) PDF

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IQ Switch ProxFusion® Series IQS621 Datasheet Combination sensor with ambi ent light sensing (ALS), capacitive pro ximity/touch, Halleffect sensor & induc tive sensing capabilities The IQS621 P roxFusion® IC is a multifunctional, am bient light sensing (ALS), capacitive, Hall-effect & inductive sensor designed for applications where any or all of t he technologies may be required. The IQ S621 is an ultra-low power solution des igned for short or long term activation s through any of the sensing channels. The IQS621 is fully I2C compatible. Fe atures • Unique combination of sensi ng technologies: o Capacitive sensing o Ambient light sensing (ALS) o

Hall-effect sensing • o Inductive se nsing • Capacitive sensing o o Ful l auto-tuning with adjustable sensitivi ty 2pF to 200pF external capacitive loa d • capability o Enhanced temperatu re stability • • Ambient light se nsing (ALS) • o Absolute lux output o Human eye response compensated • o 4-bit ALS range output (0 - 10) o Dual threshold detection for day/night indication with hysteresis • Hall-ef fect sensing o On-chip Hall-effect meas urement plates o Dual direction Hall sw itch sensor UI o 2 level detection (wi dely variable) o Detection range 10mT â €“ 200mT • Inductive sensing o 2 Le vel detection and hysteresis for induct ive • sensing • o Only external sense coil required (PCB trace) • Mu ltiple integrated UI options based on y ears of experience in sensing on fixed and mobile platforms: o Proximity / To uch o Proximity wake-up Automatic Tuni ng Implementation (ATI) – performance enhancement (10bit) Minimal external UOLG 2.8 x 2.5 x 0.6 components 9-pi n Standard I2C interface Representati ons only Optional RDY indication for e vent mode operation Low power consumpt ion: o 75uA (100Hz response, 1ch induct ive) o 95uA (100Hz response, 2ch Hall) o 75uA (100Hz response, 3ch capacitive) o 60uA (100Hz response, ALS) o 25uA (20Hz response, 1ch inductive) o 25uA (20H