Microchip Technology MTCH2120 Touch Controllers
Microchip Technology MTCH2120 Touch Controllers offer designers a straightforward pathway when implementing touch-button capabilities on user interfaces. These turnkey touch devices feature low-power and water-tolerant benefits and are integrated with Microchip's unified ecosystem, enabling an easier design process while facilitating transitions between other turnkey solutions. The MTCH2120 gives a robust touch experience independent of noise events and moisture and has the flexibility to adapt to individual product requirements. Microchip Technology MTCH2120 Touch Controllers offer I2C port expander capabilities and an Easy Tune feature that automatically adjusts sensitivity and filter levels based on real-time noise assessment.Features
- Easy Tune
- Automatically adjusts sensitivity and filters levels based on real-time noise assessment
- Removes need for threshold tuning
- MPLAB® Harmony Host Code Configurator plug-in
- Capacitive Touch sensing
- High signal noise ratio (SNR)
- Configurable via I2C bus
- Adjustable sensitivity
- Multi-stage active noise suppression filters
- Automatic environmental compensation
- Water tolerant touch
- Low power with the option to combine sensors (lump mode)
- Configuration GPIO as an optional host interface
- Supports various sensor shapes and sizes
- Interrupt pin for Touch Status change
- Option to disable or suspend sensor
- Option to save configuration
- Brown-out protection
Specifications
- 3V to 5V operating voltage range
- -40mA to 40mA source current range
- 250ms software reset
- -40°C to +105°C operating temperature range
Pin Diagram
Simplified Measurement Flow
Published: 2025-01-06
| Updated: 2025-02-27
