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CapSense MBR3 | Cypress Semiconductor

CapSense MBR3

CapSense® MBR3 is Cypress’s solution for quickly and easily replacing mechanical buttons with sleek and reliable capacitive-sensing user interfaces. The CapSense MBR3 family is the world’s easiest capacitive-sensing solution that allows you to design with the click of a mouse using our GUI-based software tool, EZ-Click™.

CapSense MBR3 combines the best of CapSense features including SmartSense™ Auto-Tuning, robust water tolerance and best-in-class proximity sensing while delivering reliable performance under all conditions. The CapSense MBR3 family comes in four small packages that are suited for various capacitive-sensing designs.



Buy the $25 CY3280-MBR3 kit to evaluate the MBR3 solution’s features including configurability, button performance, proximity sensing and water-tolerance




Download EZ-Click for free and easily design different configurations


Design Guide


Download the CapSense MBR3 Design Guide for guidelines on designing with your MBR3 solution




Register for a CapSense MBR3 workshop in your area


  • CapSense MBR3 requires no firmware development
  • EZ-Click™ GUI-based software tool configures devices without the need to write any code



SmartSense Auto-Tuning

  • A CapSense algorithm that continuously compensates for system, manufacturing and environmental changes
  • Eliminates the need for manual tuning during all product design phases


Robust Water Tolerance

  • CapSense MBR3 works under water droplets, rain, mist and other liquids
  • Ensures no false touches even under streaming water



Industry’s Best Capacitive Proximity Sensing

  • Achieve up to 30cm in proximity sensing distance
  • Implement advanced features like wake-on-approach to support ultra-low power applications


Reliable Performance

  • Advanced sensing algorithms ensure reliable performance even in noisy environments
  • Implement designs with Signal-to-Noise Ratio (SNR) of > 100:1