Azoteq IQ Switch IQS128 Connection Manual

Brand
Azoteq
Model
IQ Switch IQS128
Type
Connection Manual
IQ Switch
®
ProxSense
®
Series
Copyright © Azoteq (Pty) Ltd 2012 Page 1 of 3
All Rights Reserved Revision 1.00
January 2012
IQS128 on AZP242A02 Connection Guide
1 IQS128 on AZP242A02
2 PCboard (AZP242A02)
3 PCB Layout
Figure 1.1 Top layer component placement
G
ND
CTRL/ND
VDDHI
CX/Sense plate
OUT
VDDHI
GND
C2
1uF
CXOUT
CTRL/ND VREG
C3
1uF
GND
C1
100pF
C4
100pF
R2
470R
OUT
OUT
R3
2K0
CX
CTRL/ND
3
OUT
1
VREG
4
CX
6
VSS
2
VDDHI
5
U1
IQS128 TSOT23-6
CTRL/ND
CTRL/ND
R1
2K0
VDDHI
VDDHI
Connect CX to sense button
(See Appnote: AZD008 for
button design guidelines)
OUT = DYCAL Output
CTRL = Input CTRL or Touch output
ND = Multiplexed optional Noise Detector
Optional: 100pF capacitors for additional
RF immunity (C1 and C4).
IQ Switch
®
ProxSense
®
Copyright © Azoteq (Pty) Ltd 2012 Page 3 of 3
All Rights Reserved Revision 1.00
January 2012
• Proximity and Touch sensitivity selections
6 pin TSOT23-6
IQS128LP offered in DFN(2x3)-8
Touch: 6 mm plastic, 10 mm glass
Proximity: 15cm
IQS128EV01 Kit includes:
•
3 x Module PCB with IQS128 (TSOT23-6)
Contact Information
Please visit www.azoteq.com for comprehensive datasheets,
application notes, reference designs and a list of distributors for your
region.
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Azoteq:
IQS128EV01S
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Azoteq IQ Switch IQS128 Connection Manual

Brand
Azoteq
Model
IQ Switch IQS128
Type
Connection Manual
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