Product Information

IQS227AS-00000000 TSR

IQS227AS-00000000 TSR electronic component of Azoteq

Datasheet
Capacitive Touch Sensors Proximity&Touch ATI
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

 More Buying Options & Price Grid(s)

Availability Price Quantity
0 - Global Stock

MOQ : 1
Multiples : 1
1 : USD 1.6829
10 : USD 0.6479
100 : USD 0.3055
500 : USD 0.2982
1000 : USD 0.2558
3000 : USD 0.2403
6000 : USD 0.231
9000 : USD 0.2237
24000 : USD 0.2175
N/A

Obsolete

Read More Specifications

     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Supply Voltage
Number of Channels
Package / Case
Dimensions
Temperature Range
Packaging
Series
Termination Style
Brand
Height
Length
Width
Interface Type
Sensor Type
Cnhts
Hts Code
Mxhts
Operating Supply Voltage
Product Type
Factory Pack Quantity :
Subcategory
Taric
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Additional Infomation About Product

IQ Switch ProxSense Series Azoteq IQS227AS/B DATASHEET Single channel capacitive proximity and touch controller The IQS227AS/B ProxSense IC is a fully integrated Self Capacitive sensor with dual outputs (Touch and Proximity outputs). Features > Sub 2.5A in Low Power Mode while sensing Proximity > Automatic Tuning Implementation (ATI) - Automatic tuning of sense electrode > Internal Capacitor Implementation (ICI) reference capacitor on-chip > Supply voltage: 1.8V to 3.6V > Minimum external components > Data streaming option RoHS2 > Advanced on-chip digital signal processing Compliant > User selectable (OTP): 4 Power Modes IO sink / source Time-out for stuck key Output mode (Direct / Latch / Toggle) Proximity and Touch Button sensitivity Applications > LCD, Plasma & LED TVs > GSM cellular telephones On ear detection / touch keys > LED flashlights or headlamps > White goods and appliances > Office equipment, toys, sanitary ware > Flame proof, hazardous environment Human Interface Devices > Proximity detection enables backlighting activation > Wake-up from standby applications > Replacement for electromechanical switches > Find-In-The-Dark (FITD) applications > Automotive: Door pocket lighting, electric window control > GUI trigger on Proximity detected. Available options T TSOT23-6 WLCSP-8 DFN-6 A -20C to 85C IQS227AS - - -40C to 85C IQS227B IQS227B IQS227B Copyright Azoteq (Pty) Ltd 2021 IQS227AS/B Datasheet Page 1 of 37 All rights reserved Revision 1.40 October 2021 IQ Switch ProxSense Series Azoteq Contents IQS227AS/B DATASHEET ................................................................................................................................ 1 1 OVERVIEW ..................................................................................................................................................... 5 1.1 APPLICABILITY ............................................................................................................................................ 5 1.2 ANALOGUE FUNCTIONALITY ......................................................................................................................... 5 2 PACKAGING AND PIN-OUT .......................................................................................................................... 6 2.1 IQS227AS/B.............................................................................................................................................. 6 2.1.1 TSOT23-6 Pin-out ............................................................................................................................. 6 2.1.2 WLCSP-8 Pin-out .............................................................................................................................. 7 2.1.3 DFN-6 Pin-out ................................................................................................................................... 8 2.2 SCHEMATIC................................................................................................................................................. 9 2.2.1 TSOT23-6 .......................................................................................................................................... 9 2.2.2 WLCSP-8........................................................................................................................................... 9 2.2.3 DFN-6 .............................................................................................................................................. 10 3 USER CONFIGURABLE OPTIONS ............................................................................................................. 11 3.1 CONFIGURING OF DEVICES ........................................................................................................................ 11 4 MEASURING CAPACITANCE USING THE CHARGE TRANSFER METHOD .......................................... 14 5 DESCRIPTIONS OF USER OPTIONS ......................................................................................................... 14 5.1 PROXIMITY / TOUCH SENSOR ..................................................................................................................... 15 5.2 LOGIC SELECT FOR OUTPUTS ..................................................................................................................... 15 5.3 OUTPUT PIN FUNCTION .............................................................................................................................. 15 5.3.1 Output function: Active .................................................................................................................... 15 5.3.2 Output function: Latch (for t ) .................................................................................................... 15 LATCH 5.3.3 Output function: Toggle ................................................................................................................... 16 5.4 PROXIMITY THRESHOLD ............................................................................................................................ 16 5.5 TOUCH THRESHOLD .................................................................................................................................. 16 5.6 POWER MODES......................................................................................................................................... 17 5.7 BASE VALUES ........................................................................................................................................... 18 5.8 MULTIPLIERS ............................................................................................................................................ 18 5.9 CHARGE TRANSFER .................................................................................................................................. 18 5.10 ATI TARGET COUNTS .............................................................................................................................. 18 5.11 NOISE DETECT........................................................................................................................................ 18 5.12 ENABLE PARTIAL ATI .............................................................................................................................. 18 5.13 FILTERS USED BY THE IQS227AS/B ........................................................................................................ 18 5.13.1 Long Term Average (LTA) ............................................................................................................ 18 5.13.2 IIR Raw Data filter ......................................................................................................................... 19 6 DATA STREAMING MODE .......................................................................................................................... 19 6.1 EVENT MODE ............................................................................................................................................ 21 2 6.2 I C ........................................................................................................................................................... 21 7 AUTO TUNING IMPLEMENTATION (ATI) ................................................................................................... 21 7.1 AUTOMATIC ATI ........................................................................................................................................ 21 7.2 IQS227AS/B NOISE IMMUNITY .................................................................................................................. 22 8 ELECTRICAL SPECIFICATIONS ................................................................................................................ 23 8.1 ABSOLUTE MAXIMUM SPECIFICATIONS ....................................................................................................... 23 8.2 GENERAL CHARACTERISTICS ..................................................................................................................... 23 Copyright Azoteq (Pty) Ltd 2021 IQS227AS/B Datasheet Page 2 of 37 All rights reserved Revision 1.40 October 2021

HS Compliance

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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