IQS127DEV01-S

IQ Switch® ProxSense® Series IQS127D on AZP112A05 Connection Guide 1 IQS127D on AZP112A05 Connect CX to sense button (See Appnote: AZD008 for button design guidelines) VDDHI IQS127D TOUT = Touch Output POUT = Proximity Output Optional: 100pF capacitors for additional RF immunity (C3 and C4) 2 PC board (AZP112A05) CX/Sense plate TOUT/DATA GND VDDHI POUT 3 CT-Tool Connections IQS127 pins GND VDDHI POUT CX TOUT/DATA CT210(A) pins Programming Streaming 1 3 5 6 1 3 Copyright © Azoteq (Pty) Ltd 2017 All Rights Reserved 10 5 3 1 6 10 Revision 2.0 Page 1 of 2 December 2017 IQ Switch® ProxSense® The IQS127D ProxSense® IC is a fully integrated capacitive sensor device: IQS127D: Dual outputs (Touch button AND Proximity sensor). Features Automatic Antenna Tuning Implementation (ATI) - Automatic adjustment for optimal performance. Internal Capacitor Implementation (ICI) – reference capacitor onchip Low Power, suitable for battery applications Supply voltage: 2.95V to 5.5V Advanced on-chip digital signal processing User selectable: 4 Power Modes (13uA min) IO sink / source Time-out for stuck key Output mode (Direct / Latch / Toggle) Proximity and Touch Button sensitivity settings Minimum external components Keys: Touch: 5mm x 5mm or larger (overlay thickness dependent) Proximity: Various electrical options (wire / PCB trace / ITO / conductive foil) Dielectric: Various non-metal materials (i.e. glass, plastic, painted surfaces) Dielectric thickness: 6 mm plastic, 10 mm glass 1-Wire data streaming 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 2017 All Rights Reserved Revision 2.0 Page 2 of 2 December 2017