Features Of TTP223 Touch Button Module:

• Modes Toggle or switch.
• Operating current @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 the 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), the open-drain mode by bonding option, OPDO pin is an 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 for life.
• Re-calibration period is about 4.0sec when the key has not to be touched.

Specifications Of TTP223 Circuit Sensor Module:

• Supply Voltage: 2.5 to 5.5V
• Supply current: (Vcc = 5V): 6uA (Idle) 16mA (Active)
• Sensor area: 11 x 10.5mm
• Max sensor range: ~5mm

how to make a ttp223 touch based Light Mirror Touch Switch Controller

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