ICStation TTP223 Capacitive Touch Sensor Module



  • @VDD=3V, no load, SLRFTB=1
  • The response time max about 60mS at fast mode, 220mS at low power mode @VDD=3V
  • Sensitivity can adjust by the capacitance(0~50pF) outside
  • 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 for life
  • Re-calibration period is about 4.0sec, when key has not be touched

Product Description

TTP223 Self Lock Jog Capacitive Switch Single Road Reconstruction Touch Key Module


Module size: 15mmx11mm
Power supply: 2.5v-5.5v
The latest version and red board


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