TTP226

The TTP226 is an 8-channel capacitive touch detector module for replacing mechanical buttons. Detects finger proximity within a few millimetres without physical force. Configurable output: key output, longest time, fast/low power modes. 8-way onboard status LEDs. Note: HW-137 onboard — functionality unchanged.

Specifications:

• IC: TTP226
• Channels: 8
• Operating Voltage: 2.4–5.5V
• Sink Current: 8mA
• Output Pull-up Current: 4mA
• Response Time: 60ms (High Power) / 220ms (Low Power)
• Indicators: 8× onboard status LEDs

Applications:

• 8-button touch panel for HMI interfaces
• Capacitive keyboard and control surface designs
• Arduino 8-channel touch input
• Low-force industrial panel controls