TTP223B Single Channel Touch Detector IC (Pack of 10)

Sold By: Abhith IndiaSKU: 2H12

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TTP223 is a single channel touch detector IC that could be used as a 1 touch key driver. It is a useful interface when replaced with a traditional button key. It has a low power consumption with a wide range of operating voltage. It has an auto calibration feature for life and it has a re-calibration period of about 4.0 seconds. The sensitivity can be adjusted using an external capacitor of 0 to 50 pF.

Pin Description
 Pin Number Pin Name Description
1 Q CMOS Output Pin
2 VSS Power Supply Negative Pin
3 I Input of the Sensor Port
4 AHLB Output Active High or Low
5 VDD Power Supply Positive Pin
6 TOG Output Type Option Pin


The TTP223 touch controller is the exact non-contact alternative to traditional button switches. The IC uses an onboard sense pad that uses copper trace as a touch element and the touch sensitivity can be configured using an additional external capacitor ranging from 0 to 50pF. There are two pins, AHLB and TOG that could be used to configure the output state either high or low or toggle mode enable option.

Type Single Channel Touch IC
Operating Voltage 2V-5V DC 
Operating Current 1.5 uA
Maximum operating Current 3.0 uA
Response time 220ms at low power mode.
Adjustable Sensitivity Using external capacitor (0-50 pF)
Quantity 10 Pieces

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