You are here

PSoC 4 Capacitive Sensing (CapSense® CSD) | Cypress Semiconductor

PSoC 4 Capacitive Sensing (CapSense® CSD)

Last Updated: 
Jan 09, 2017
Features Symbol Diagram
  • Best-In-Class SNR performance
  • Superior noise-immunity performance against conducted and radiated external noise
  • Ultra-low radiated emissions
  • CapSense button support: Overlay thickness of up to 15 mm for glass and 5 mm for plastic
  • SmartSense™ auto-tuning
    • Sets and maintains optimal sensor performance during run time
    • Eliminates manual tuning during development and production
  • Advanced user interface features: Water tolerance
    • Shield electrode support for reliable operation in the presence of water droplets
    • Guard sensor to prevent false touches under the water or flowing water
  • Support for user-defined combinations of button, linear slider, radial slider, touchpad and proximity capacitive sensors
  • Easy to use Application Programming Interface (API) for fast proto-typing
  • Integrated PC-based GUI for tuning in manual tuning mode (See Using the Tuner GUI section in this datasheet.)

Note This document refers to PSoC 4 devices throughout. References to PSoC 4 should be interpreted to mean PSoC 4 and PSoC 4 BLE (Bluetooth Low Energy) devices. This component also supports the PRoC BLE device.

General Description

Capacitive sensing using a Delta-Sigma Modulator (CapSense CSD) is a versatile and efficient way to measure capacitance and detect finger touches in user interface panel applications such as capacitive touch buttons, sliders, touchpads, touch screens, and proximity sensors.

Translated documents are for reference only. We recommend that you refer to the English-language version of a document if you are engaged in development of a design.