TTP223 Touch Button Module

Red TTP223 Touch Button Sensor Module

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

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FEATURES Of Red TTP223 Touch Button Module

• Supports momentary or latching/toggle modes.

• Supports Active High or Active Low output signal modes.

• Dimensions : 15mm x 11mm.

• Input Voltage : 2 Volt - 5.5 Volts DC.

• 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 human body for replacing traditional direct switch key.

• Provides Fast mode and Low Power mode selection by pad option(LPMB pin).

• Provides direct mode、toggle 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 key pad, and the function is disabled.

• Auto calibration.

• Re-calibration period is about 4.0 sec, when key has not be touched.

Related Links

• Tutorial for TTP223 capacitive touch sensor Module