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IQ Switch
®
ProxFusion Series
Copyright © Azoteq 2017 IQS624 Datasheet v1.19 Page 7 of 67
All rights reserved May 2017
1
1.1 ProxFusion
The ProxFusion sensor series provide all the proven ProxSense
®
engine capabilities with
additional sensors types. A combined sensor solution is available within a single platform.
1.2 Packaging and Pin-Out
Figure 1.1 Pin out of IQS624 DFN (3X3)-10 package.
Table 1.1 IQS624 Pin-out
IQS624 Pin-out
Pin
Name Type Function
1 SDA Digital Input / Output I
2
C: SDA Output
2 RDY Digital Output I
2
C: RDY Output
3 VDDHI Supply Input Supply Voltage Input
4 VREG Regulator Output
Internal
Regulator Pin (Connect 1µF bypass
capacitor)
5 LTX Analogue Transmit Electrode 1
6 RX0 Analogue Sense Electrode 0
7 RX1 Analogue Sense Electrode 1/ Transmit Electrode 0
8 SCL Digital Input / Output I
2
C: SCL Output
9 NC Not connect Not connect
10 VSS Supply Input Ground Reference
1.3 Reference schematic
Figure 1.2 IQS624 reference schematic
SDA
RDY
VDDHI
VREG
LTX
RX0
RX1
SCL
VSS
NC
IQS624