IQS128EV01-S

IQ Switch® ProxSense® Series IQS128 on AZP242A02 Connection Guide 1 IQS128 on AZP242A02 Connect CX to sense button (See Appnote: AZD008 for button design guidelines) VDDHI U1 C1 C2 100pF 1uF OUT 1 OUT CX VSS VDDHI 6 R2 CX 470R 2 CTRL/ND 3 CTRL/ND VREG 5 4 CX R3 VREG OUT 2K0 IQS128 TSOT23-6 GND VDDHI VDDHI OUT = DYCAL Output CTRL = Input CTRL or Touch output ND = Multiplexed optional Noise Detector Optional: 100pF capacitors for additional RF immunity (C1 and C4). C3 C4 1uF 100pF OUT R1 CTRL/ND 2K0 CTRL/ND GND 2 PCboard (AZP242A02) OUT CX/Sense plate GND VDDHI CTRL/ND 3 PCB Layout Figure 1.1 Copyright © Azoteq (Pty) Ltd 2012 All Rights Reserved Top layer component placement Revision 1.00 Page 1 of 3 January 2012 IQ Switch® ProxSense® • 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. Copyright © Azoteq (Pty) Ltd 2012 All Rights Reserved Revision 1.00 Page 3 of 3 January 2012