TTP223 Capacitive Touch Sensor Module Expand

TTP223 Capacitive Touch Sensor Module

9MTOUCHTTP223

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Tiny touch sensitive button module for replacing traditional mechanical touch switches. Uses the TTP223 touch sensor IC

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R14.95

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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.

FEATURES :

  • Supports momentary or latching/toggle modes. 
  • Supports Active High or Active Low output signal modes
  • Dimensions : 15mm x 11mm
  • Input Voltage : 2V-5.5V 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 4.0sec, when key has not be touched
JumpersAB
Latching / High Ouput 0 0
Latching / Low Output 1 0
Momentary / High Output 0 1
Momentary / Low Output 1 1

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TTP223 Capacitive Touch Sensor Module

TTP223 Capacitive Touch Sensor Module