TTP223 Capacitive Touch Switch Button
$0.0510
In stock
SKU
KPD-01-009
Volume discounts:
- +100 4 % $0.0490
- +500 6 % $0.0480
- +1000 8 % $0.0471
- +5000 10 % $0.0461
- +10000 12 % $0.0451
TTP223 Capacitive Touch Switch Button is available to buy in increments of 10
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The TTP223 Touch Key Module is based on a touch-sensing IC (TTP223) capacitive touch switch module.
An onboard LED will give a visual indication of when the sensor is triggered. When triggered the output of the module will switch from its idle low state to high (default operation). Solder jumpers allow for reconfiguring its mode of operation to be either active low or toggle output.Specificatoins of TTP223 Capacitive Touch Switch Button:
- Operating Voltage (VDC) : 2.5 ~ 5
- Length (mm) : 14
- Width (mm) : 10
- Height (mm) : 2
- Weight (gm) : 0.6
- Shipment Weight : 0.085 kg
- Shipment Dimensions : 3 x 3 x 1 cm
- output Voltage : 2~3 (dependent on input Voltage )
- Supports momentary or latching/toggle modes.
- Supports Active High or Active Low output signal modes.
Features of TTP223 Capacitive Touch Switch Button:
- The response time max ~ 60mS in fast mode, ~220mS at low power mode @VDD=3V.
- Sensitivity can adjust by the capacitance(0~50pF).
- Have two kinds of sampling length by pad option(SLRFTB pin).
- Stable touching detection of the human body for replacing traditional direct switch key.
- Provides Fast mode and Low Power mode selection by pad option(LPMB pin).
- Provides direct modetoggle mode by pad option(TOG pin).
- Open drain mode by bonding option, OPDO pin is open drain output, Q pin is CMOS output.
- All output modes can be selected active high or active low by pad option(AHLB pin).
- Have the maximum on time 100sec by pad option(MOTB pin).
- Have external power-on reset pin(RST pin).
- After power-on have about 0.5sec stable-time, during the time do not touch the keypad, and the function is disabled.
- Auto calibration.
- Re-calibration period is about 4.0 sec when the key has not be touched.
How to Use TTP223 Capacitive Touch Switch Button:
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;
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