CPT112S-A01-GMR

Overview

The CPT112S-A01-GMR is a 12-channel capacitive touch controller from Silicon Labs' TouchXpress family. It provides an I2C interface for connecting up to 12 capacitive sensor inputs, supporting buttons and sliders. The device integrates fixed-function logic to simplify system design by offloading touch processing from the main microcontroller. It operates within a standard voltage range suitable for embedded applications.

Feature Summary

• Supports up to 12 capacitive sensor inputs for buttons and sliders
• Provides I2C communication interface for host integration
• Integrates fixed-function touch processing logic

Applications

• Consumer electronics with capacitive user interfaces
• Industrial control panels requiring button or slider input
• Appliances utilizing capacitive touch controls

Procurement Notes

Verify current availability status as the CPT112S series may be subject to discontinuation notices. Confirm package type and suffix compatibility with existing designs. Consult official Silicon Labs documentation for end-of-life timelines and recommended replacement strategies before finalizing procurement plans.

Selection Notes

Select this component when a dedicated capacitive touch solution with I2C output is required. Ensure the host system supports I2C communication. Verify that the number of required touch channels does not exceed twelve. Consider power consumption requirements and operating voltage specifications against the target application environment.

Part Context

This part belongs to the CPT112S TouchXpress family of fixed-function controllers. These devices are designed to reduce development time for capacitive touch interfaces. The family includes variants with different packaging and suffixes. They complement Silicon Labs' broader portfolio of microcontrollers and sensors.

FAQ

What is the maximum number of capacitive sensors supported?

The CPT112S-A01-GMR supports up to 12 capacitive sensor inputs.

Which communication interface does the device use?

The device communicates with the host system via an I2C interface.

Can the controller handle both buttons and sliders?

Yes, the controller supports configurations for both buttons and sliders.