IQS253EV02S Azoteq, IQS253EV02S Datasheet - Page 2

• Manufacturer Part Number: IQS253EV02S
• Description: Touch Sensor Development Tools IQS253 Eval Kit
• Manufacturer: Azoteq

Specifications of IQS253EV02S

• Rohs: yes
• Interface Type: I2C

Power
USB
Port
The mainboard includes a programming and
data streaming header as also illustrated in the
Figure 2.2.
The EV-Kit is interfaced to a personal
computer for data streaming and programming
OTP options, by means of the Azoteq
Configuration
programming and visual data streaming please
utilizethe USBProg and IQS253 GUI software,
provided
(http://www.azoteq.com).
3 Module Boards
3.1 IQS253 Module Board – Self
Figure 3.1 illustrates the self-capacitance
mode IQS253 Module board.
include:
Figure 3.1
Descriptions of the components are given in
Table 3.1.
Copyright © Azoteq (Pty) Ltd 2012.
All Rights Reserved.
marked “S”
Figure 2.2
3 x Touch and proximity sensing channels
in self-capacitance mode
Small and compact PCB layout, which is
easily wired to prototype applications
Capacitance Mode
on
IQS253
Programming
mainboard
Bottom view of EV-Kit
streaming
Tool
and data
header
the
Azoteq
Module
(CT220).For
Its features
ProxSense
website.
board
IQS253EV02 Evaluation Kit User Manual
IQ Switch
IC
®
Revision 1.0
Table 3.1
board component description
Series
Component Purpose
C1, C2
C3, C4
R4
R1, R2, R3
R5, R6, R7
®
IQS253 S-ModeModule
Power
supply
decoupling
capacitors
Internal
regulator
decoupling
capacitors
Boolean
Output
Sense
electrode
(Cx)
resistors
(Added ESD
Protection)
Streaming
pull-up
resistors
series
Typical value
1µF,
100pF
1µF,
100pF
100Ω
470Ω
10kΩ
Page 2 of 6
June 2012