Touch sensor - TTP223B

Touch Sensor Interface :

• Control Interface: A total of three pins (GND, VCC, SIG), GND to ground, VCC is the power supply, SIG digital signal output pin

• Power Indicator: Green LED, power on the right that is shiny

• Touch area: Similar to a fingerprint icon inside the area, you can touch the trigger finger.

• Positioning holes: 4 M2 screws positioning hole diameter is 2.2mm, the positioning of the module is easy to install, 

  to achieve the inter-module combination.

Features:

• Low power consumption

• Power supply for 2 ~ 5.5V DC

• Can replace the traditional touch of a button

• Four M2 screws positioning holes for easy installation

Specification:

• Power supply voltage(VCC): 2.0, 3, 5.5 V.

• Output high VOH: 0.8VCC V

• Output low VOL: 0.3VCC V

• Response time (touch mode) : 60 mS

• Output Pin Sink Current (@ VCC = 3V, VOL = 0.6V) : 8 mA

• Output pin pull-up current (@ VCC = 3V, VOH = 2.4V) : 4 mA

• Response time (low power mode) : 220 mS

• Size : 24 x 24 x 7.2 mm