Product Information

IQS253MSR

IQS253MSR electronic component of Azoteq

Datasheet
Capacitive Touch Sensors 3Ch, Ultra Low Power

Manufacturer: Azoteq
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
N/A

Obsolete
Availability Price Quantity
0 - Global Stock

MOQ : 4000
Multiples : 4000

Stock Image

IQS253MSR
Azoteq

4000 : USD 0.3148
24000 : USD 0.3148
N/A

Obsolete
     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Supply Voltage
Number of Channels
Package / Case
Packaging
Series
Brand
Factory Pack Quantity :
Interface Type
Mounting Style
Sensor Type
Cnhts
Hts Code
Operating Supply Voltage
Product Type
Subcategory
Taric
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IQ Switch ProxSense Series TM IQS253 Datasheet - Congurable 3 Channel DYCAL Capacitive Sensor with Automatic Compensation for Sensitivity Reducing Objects Unparallelled Features: TM o DYCAL : Intelligent Hysteresis o Internal Capacitor Implementation (ICI) - Reference capacitor on-chip o Automatic Tuning Implementation (ATI) - Automatic adjustment for optimal sensor performance The IQS253 ProxSense IC is a fully integrated capacitive sensor implementing Dynamic Cali- TM bration (DYCAL ) technology: intelligent hysteresis to allow for sensor drift even during sensor activation. Main features: o Self or Projected Technology sensors TM o 3 Channels congurable as DYCAL /Normal output 2 o Self: Boolean direct output congurable through I C o Supply voltage: 1.8V to 3.6V o Internal voltage regulator o Advanced on-chip digital signal processing 2 o I C adjustable settings TM DYCAL settings Control over lter operation Time-out for stuck key Proximity and Touch sensitivity selections Low Power options Event Mode possible (only communicates if an event is detected) Applications: o Any applications where a touch and proxim- ity condition can exist for a extended pe- o Occupancy sensors riod of time o SAR Compliant sensors for Tablet PCs Advantages: o On-ear detection for mobile phones o Allows for sensor drift in periods of activation and non-activation o 3D glasses o Improved digital ltering to reduce external o Personal Media Players noise 2 o Remote Control Sleep implementation o Highly adjustable I C device which only in- terrupts (Event Mode) when an event is o Gaming Controllers detected o Proximity activated back lighting Copyright Azoteq (Pty) Ltd 2016 IQS253 Datasheet Page 1 of 60 All rights reserved Revision V1.10 October 2016 IQ Switch ProxSense Series Contents List of Figures 4 List of Tables 4 Revision History 4 List of Symbols 6 1 Functional Overview 7 1.1 Applicability 7 2 Analogue Functionality 7 3 Digital Functionality 8 4 Packaging and Pin-Out 9 4.1 IQS253 Self Capacitance . 9 4.2 IQS253 Projected . 10 4.3 Power Supply and PCB Layout 11 4.4 Design Rules for Harsh EMC Environments . 12 5 DYCAL 13 5.1 Operating Principle 14 6 ProxSense Module 15 6.1 Charge Transfer Concepts 15 7 Prox Module Setup 15 7.1 Self or Projected Capacitance 15 7.2 Rate of Charge Cycles 16 7.3 Report Rate 17 7.4 Active Channels 17 TM 7.5 DYCAL or Direct Output 17 7.6 Report Order (Channel Numbers) 17 7.7 Transfer Frequency (f ) 17 cx 7.8 Counts . 17 7.9 Long Term Average (LTA) . 17 7.10 Determine Touch or Prox . 19 7.11 ATI . 19 TM 8 DYCAL 20 TM 8.1 DYCAL channels enable 21 TM 8.2 DYCAL on TOUCH/PROX . 21 8.3 LTA Adapt rates (IN and OUT) 21 8.4 Block Channel . 21 TM 8.5 DYCAL Release Threshold 21 TM 8.6 DYCAL dynamic touch threshold . 21 8.7 10s ATI BLOCK . 21 8.8 250ms DELAY TM (t ) . 22 DYCAL 8.9 Turbo Mode 22 Copyright Azoteq (Pty) Ltd 2016 IQS253 Datasheet Page 2 of 60 All rights reserved Revision V1.10 October 2016

Tariff Desc

8543.70.00 - Other machines and apparatus Free
13 No Signal processors (graphic equalisers, crossovers etc.)
91 .. Other

9027.10.00 Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes.

9031.80.00 - MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

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