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The CPT213B device, part of the TouchXpress family, is designed to quickly add IEC 60730 Class B capacitive touch via an I2C interface by eliminating the firmware complexity and reducing the development time for capacitive sensing applications.

Supporting up to 13 capacitive sensor inputs in packages as small as a 4 mm x 4 mm QFN, the CPT213B is a highly-integrated device that interfaces via I2C to the host processor to provide a simple solution for adding capacitive touch. The device also comes with advanced features like an IEC safety library and moisture immunity. No firmware development is needed, and all the capacitive touch sense parameters can be configured using a simple GUI-based configurator. By eliminating the need for complex firmware development, the CPT213B device enables rapid user interface designs with minimal development effort.

The CPT213B device is ideal for a wide range of capacitive touch applications including the following:
• Home appliances
• White goods
• Instrument / Control panels
• Medical equipment
• Lighting control

Symmetry Electronics is an authorized Silicon Labs distributor.