CPT213B-A01-GM

Overview

The CPT213B-A01-GM is a capacitive touch controller from the Silicon Labs TouchXpress series, designed for button-based interfaces. It features 13 channels and utilizes an I2C interface for communication. The device operates within a supply voltage range of 1.8 V to 3.6 V, with a typical operating voltage of 2.4 V. It is housed in a QFN-24 package measuring 4 mm x 4 mm x 0.55 mm. The component supports an industrial temperature range from -40 °C to +85 °C.

Feature Summary

• Integrates 13 sensing channels for multi-button capacitive touch detection
• Utilizes I2C interface for simplified system integration
• Supports configuration loading for flexible application setup

Applications

• Home appliances
• Medical devices
• Consumer electronics
• Instrumentation and control panels
• Lighting controls

Procurement Notes

Verify current availability status as this component may be subject to discontinuation or limited supply. Confirm RoHS compliance details through official documentation before procurement. Check for end-of-life notifications to ensure long-term project viability.

Selection Notes

Select this part for designs requiring up to 13 independent touch buttons. Ensure the host microcontroller supports I2C communication. Verify that the PCB layout accommodates the QFN-24 package dimensions and thermal requirements for the specified operating temperature range.

Part Context

This component belongs to the CPT213B series of capacitive touch controllers by Silicon Labs. It is part of the TouchXpress family, which provides turnkey solutions for adding touch functionality without extensive firmware development. The series targets applications needing reliable button input interfaces.

Replacement Considerations

Check for direct substitutes within the CPT213B series or other TouchXpress controllers with compatible channel counts and interfaces. Verify pinout compatibility if replacing with similar parts from the same manufacturer.