TTP223 Capacitive Touch Sensor Description

TTP223 Capacitive Touch IC replicating a single tactile button. This touch detection IC is designed for replacing traditional direct button key with diverse pad size.TTP223 Capacitive Touch Sensor

TTP223 Capacitive Touch Sensor Features 

TTP223 Capacitive Touch Sensor

1. Input Voltage: 3.3V – 5.5V DC

2. Module size: 15mm x 11mm

3. Stable touching detection of human body for replacing traditional direct switch key.

TTP223 Touch Key Switches Module Touching Button Self-Locking No-Locking Capacitive Switches Single Channel For Arduino

1.Size:15*11mm
2.Power:2.5-5.5V

Trigger setting mode: (1- > Short ; 0- > No Short)
AB=00:No-lock High TTL level output;
AB=01:Self-lock High TTL level output;
AB=10:No-lock Low TTL level output;
AB=11:Self-lock Low TTL level output;

About This item

TTP223 Capacitive Touch Sensor Button Module pad in circle Operating voltage 2.2 up to 5.5v Stable touching detection of human body Dc in Pakistan

1. Input Voltage: 3.3V – 5.5V DC TTP223 Capacitive Touch Sensor

2. Module size: 15mm x 11mm

3. Stable touching detection of human body for replacing traditional direct switch key.

For this tutorial, we required these items:

1. TTP223 Touch Sensor Module ( Capacitor)

2. 10mm LED (Yellow)

3. Resistor 220 ohm

4. Breadboard Power Stick 3.3V / 5V

5. Li-Ion Rechargable Battery 7.4V 1200mAh

Trigger setting mode: (1 = Short ; 0 = No Short)

Jumpers AB

Momentary / High Output 00 (used in this tutorial)

Self Lock / High Output 01

Momentary / Low Output 10

Self Lock / Low Output 11

Based on the results,

1. The LED will turn on when we touch the .

2. If no touching detected, the LED will turn off.

 Operating voltage 2.0V~5.5V
Operating current @VDD=3V, no load
low power mode typical 1.5uA, maximum 3.0uA
response time max 220mS at low power mode @VDD=3V
Sensitivity can adjust by the capacitance(0~50pF) outside
Stable touching detection of human body for replacing traditional direct switch key
Low Power mode
Provides direct mode toggle mode by pad option(TOG pin)
Q pin is CMOS output
All output modes can be selected active high or active low by pad option(AHLB pin)
After power-on have about 0.5sec stable-time, during the time do not touch the key pad,
And the function is disabled
Auto calibration for life
At low power mode the re-calibration period is about 4.0sec normally,
When key detected touch and released touch, the auto re-calibration will be redoing after
about 16sec from releasing key
The sensitivity of TTP223N is better than TTP223-BA6’s.
But the stability of MOEDULE is worse than TTP223-BA6’s.

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