MTCH2120T-V/REB

Overview

The MTCH2120T-V/REB is a 12-channel capacitive touch controller from Microchip Technology, housed in a VQFN-20 package. It operates within a supply voltage range of 1.8 V to 5.5 V and supports an industrial temperature range of -40°C to +85°C. The device features an I²C interface for host communication and includes active noise cancellation capabilities. Configuration data is stored on-chip, eliminating the need for external memory components.

Feature Summary

• Supports up to 12 capacitive touch channels with high signal-to-noise ratio
• Integrated I²C interface for simplified host connectivity
• Active noise cancellation for stable operation in electrically noisy environments
• On-chip configuration storage reduces system complexity

Applications

• Consumer electronics user interfaces
• Industrial control panels requiring water resistance
• Medical devices with touch input requirements
• Kitchen appliances and outdoor self-service terminals

Procurement Notes

Verify the specific suffix 'V' against the official datasheet to confirm voltage range and temperature grade specifications. Confirm the 'REB' suffix indicates tape and reel packaging suitable for automated assembly processes before finalizing procurement orders.

Selection Notes

Select this component when a solution supporting up to 12 independent touch inputs is required without complex firmware development. The integrated I²C interface simplifies integration compared to GPIO-based controllers. Ensure the design environment meets the specified operating temperature and voltage constraints for reliable performance.

Part Context

This part belongs to the MTCH2120 series of touch screen controllers designed for embedded systems. It serves as a dedicated touch sensing solution that offloads processing tasks from the main microcontroller, enabling intuitive and responsive user interfaces in various electronic applications.

Replacement Considerations

Consult the official Microchip documentation for pin-compatible or functionally equivalent alternatives within the MTCH series. Verify interface compatibility and channel count requirements when evaluating substitute parts.