The TTP223 Capacitive Touch Sensor Module is a versatile component that enables touch-based input detection in various electronic projects. Utilizing the TTP223 integrated circuit, this module offers a reliable alternative to traditional mechanical buttons by sensing touch through changes in capacitance.

Key Features

• Capacitive Touch Sensing: Detects touch inputs without physical pressure, enhancing user interface experiences.
• Adjustable Output Modes: Supports both momentary (active while touched) and toggle (switches state with each touch) modes, configurable via solder pads.
• Low Power Consumption: Consumes minimal current, making it suitable for battery-powered applications.
• Wide Operating Voltage Range: Operates between 2.0V to 5.5V, ensuring compatibility with various microcontrollers and systems.
• Compact Design: Small footprint allows easy integration into space-constrained projects.

Technical Specifications

• Operating Voltage: 2.0V to 5.5V
• Current Consumption:
  • Low Power Mode: Typical 1.5µA, Maximum 3.0µA
  • Fast Mode: Typical 3.5µA, Maximum 7.0µA
• Response Time:
  • Fast Mode: Maximum 60ms
  • Low Power Mode: Maximum 220ms
• Touch Detection Sensitivity: Adjustable via external capacitance (0~50pF)
• Operating Temperature Range: -20°C to +70°C
• Module Dimensions: Approximately 15mm x 11mm

Applications

• Consumer Electronics: Incorporated into touchscreens and touch-sensitive buttons for devices like smartphones, tablets, and laptops.
• Home Automation: Employed in touch-activated lighting systems and appliance controls, replacing mechanical switches for a modern interface.
• Wearable Technology: Used in fitness trackers and smartwatches to provide touch inputs without adding mechanical components.
• Interactive Displays: Enhances kiosks and public information systems with responsive touch controls.
• DIY Projects and Prototyping: Favored by hobbyists and developers for creating interactive installations and experimenting with touch-based inputs.