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IQS213 반도체 회로 부품 판매점

3-Channel Capacitive Touch/Swipe Function Controller



Azoteq 로고
Azoteq
IQS213 데이터시트, 핀배열, 회로
IQ Switch®
ProxSense® Series
IQS213/A Datasheet
IQSwitch® - ProxSense® Series
3-Channel Capacitive Touch/Swipe Function Controller
Overview
Unparalleled Features
Sub 5µA* current consumption (“Zero-Power” electronic switch).
Internal Capacitor Implementation (ICI) Reference capacitor on-chip
Automatic Tuning Implementation (ATI) - Automatic tuning for optimal operation in various
environments & compensation against sensitivity reducing objects
IQS213A advised for applications with high load-capacitances and high sensitivity
requirements.
The IQS213(A) ProxSense® IC is a fully integrated two or three channel capacitive swipe function
sensor with market leading sensitivity and automatic tuning of the sense electrodes. The
IQS213(A) provides a minimalist implementation requiring few external components, with OTP-
option settings and an I2C-compatible interface that allow configuration for numerous applications.
Main Features
2 or 3 Channel (Projected or Self Capacitance) Input device
Swipe Function or Differentiated Touch and Distributed Proximity Electrode Implementation
Variable User Interface with Adjustable Swipe Function Configuration
Auto-Off and Advanced Auto-Off Warning Function
Supply voltage: 1.8V to 3.6V
Internal voltage regulator and reference capacitor
Advanced on-chip digital signal processing
OTP (One Time Programmable) options available
I2C compatible interface
Low Power Modes (sub 4µA*)
Variable Proximity & Touch Thresholds
Small outline MSOP-10 package
Applications
Sanitary ware, toys, office equipment
Flashlights, headlamps, keychain lights
Splash- / waterproof devices
Swipe-to-Unlock / Wake from Standby applications
Replacement for electro-mechanical switches
Advantages
Prevents accidental activation of conventional touch sensors
Improved digital filtering to reduce external noise
High immunity against aqueous substances
Highly adjustable device with continuous data or event driven I2C communication
Available options
TA
-40°C to 85°C
MSOP10
IQS213A / IQS213
*Current consumption dependant on selected Low Power settings.
Copyright © Azoteq (Pty) Ltd 2011
All Rights Reserved
IQS213A (IQS213) Datasheet
Revision 2.1
Page 1 of 46
March 2014


IQS213 데이터시트, 핀배열, 회로
IQ Switch®
ProxSense® Series
Contents
OVERVIEW ..........................................................1
1 FUNCTIONAL OVERVIEW ..........................3
1.1 APPLICABILITY............................................... 3
2 ANALOGUE FUNCTIONALITY ...................3
3 DIGITAL FUNCTIONALITY .........................3
4 HARDWARE CONFIGURATION.................4
4.1 IQS213A (IQS213) - MSOP10 PIN-OUT ....... 4
4.2 REFERENCE DESIGN ...................................... 5
4.2.2 Power Supply and PCB Layout .............. 5
4.2.3 Design Rules for Harsh EMC
Environments ...................................................... 6
4.2.4 High Sensitivity....................................... 6
5 USER CONFIGURABLE OPTIONS ............7
5.1 CONFIGURING OF DEVICES ............................. 7
5.2 USER SELECTABLE CONFIGURATION OPTIONS.. 8
5.3 IQS213A (IQS213) SETUP EXAMPLES ......... 14
5.3.1 Example 1: 3-Channel Self Capacitive,
Active Low Logic Output, SwipeSwitch with
Auxiliary Touch Output. ..................................... 14
5.3.2 Example 2: 3-Channel Projected
Capacitive, Active High Logic Output,
SwipeSwitch with Auxiliary Swipe Pulse Output.15
5.3.3 Example 3: Normal Mode Operation .... 16
8.3 SELF- OR PROJECTED CAPACITANCE ............. 26
8.4 RATE OF CHARGE CYCLES............................ 27
8.4.1 Normal Power rate................................ 27
8.4.2 Low Power rates................................... 27
8.5 TOUCH REPORT RATE.................................. 27
8.6 ACTIVE CHANNELS ....................................... 27
8.7 LONG TERM AVERAGE (LTA) ........................ 28
8.8 DETERMINE TOUCH OR PROX........................ 28
8.9 ATI ............................................................ 28
8.9.1 ATI Sensitivity....................................... 28
8.9.2 ATI Target............................................. 28
8.9.3 ATI Base (MULTIPLIER) ...................... 28
8.9.4 Re-ATI .................................................. 29
8.10 RF DETECTION............................................ 29
8.10.1 RF detector sensitivity ...................... 29
9 COMMUNICATION.................................... 30
9.1 EVENT MODE .............................................. 30
9.2 I2C SPECIFIC COMMANDS.............................. 30
9.2.1 IC Reset indication ............................... 30
9.2.2 WDT ..................................................... 30
9.3 I2C READ AND WRITE SPECIFICS ................... 30
10 IQS213A (IQS213) MEMORY MAP .......... 31
10.1 MEMORY REGISTERS ................................... 31
10.2 MEMORY REGISTERS DESCRIPTION ............... 33
10.2.1 Device Information ........................... 33
10.2.2 Device Specific Data ........................ 34
10.2.3 Current Sample (CS) or Count Data. 35
10.2.4 Device Settings ................................ 37
6 DESCRIPTION OF USER SELECTABLE
OPTIONS............................................................18
11 ELECTRICAL SPECIFICATIONS ALL
PRELIMINARY .................................................. 40
6.1 IQS213A (IQS213) IC TYPE ....................... 18
6.2 SELF- / PROJECTED CAPACITANCE ................ 18
6.2.1 Capacitive Sense Electrode Design
Samples ............................................................ 19
6.3 FLOAT RX ................................................... 19
6.4 OUTPUT LOGIC SELECT................................ 19
6.5 HALT TIME .................................................. 20
6.6 LOW POWER MODES ................................... 20
6.7 PROXIMITY THRESHOLD ............................... 21
6.8 TOUCH THRESHOLDS ................................... 21
6.9 IQS213A (IQS213) SWIPE UI ................... 22
6.10 ZERO STATES ALLOWED .............................. 22
6.11 END ON ZERO STATE ................................... 22
6.12 STATE TIMES .............................................. 22
6.12.1 Minimum State Time ........................ 22
6.12.2 Maximum State Time ....................... 23
6.12.3 Overall State Time ........................... 23
6.13 TOUCH/SWIPE (PIN7) OUTPUT...................... 23
6.14 AC FILTER.................................................. 23
6.15 ATI METHOD............................................... 23
6.16 BASE VALUE ............................................... 23
6.17 ATI TARGET VALUE ..................................... 23
6.18 AUTO-OFF / ADVANCED AUTO-OFF WARNING 24
6.18.1 Advanced Auto-Off Warning (AAOW)
24
6.18.2 AAOW Clear / Reset ........................ 24
6.19 I2C DEBUG ................................................. 24
11.1
11.2
25°C)
11.3
ABSOLUTE MAXIMUM SPECIFICATIONS ........... 40
GENERAL CHARACTERISTICS (MEASURED AT
40
TIMING CHARACTERISTICS ............................ 42
12 PACKAGING INFORMATION................... 43
FIGURE 12.1 MSOP-10 BACK VIEW. .......................... 43
FIGURE 12.2 MSOP-10 SIDE VIEW. ........................... 43
FIGURE 12.3 MSOP-10 TOP VIEW............................. 43
FIGURE 12.4 MSOP-10 FOOTPRINT. ......................... 43
13 DEVICE MARKING ................................... 44
13.1 TOP MARKING .............................................. 44
13.2 BOTTOM MARKING ....................................... 44
14 ORDERING INFORMATION ..................... 45
14.1 GENERAL PART ORDER NUMBER .................. 45
15 CONTACT INFORMATION ....................... 46
7 ADDITIONAL FEATURES .........................24
7.1 NOISE DETECTION ....................................... 24
7.1.1 Notes for layout: ................................... 24
8 PROXSENSE® MODULE ...........................26
8.1 CHARGE TRANSFER CONCEPTS .................... 26
8.2 PROXSENSE® MODULE SETUP...................... 26
Copyright © Azoteq (Pty) Ltd 2011
All Rights Reserved
IQS213A (IQS213) Datasheet
Revision 2.1
Page 2 of 46
March 2014




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