SX8648I05AULTRT

Overview

The SX8648I05AULTRT is a capacitive touch sensor and button controller manufactured by Semtech. It features an eight-channel interface for detecting touch inputs. The device communicates via an I2C interface. It operates within a supply voltage range of 2.7 V to 3.6 V. The component is housed in a 28-pin MLPQ-UT package with dimensions of 4 mm x 4 mm x 0.6 mm. It supports an operating temperature range from -40°C to +85°C.

Feature Summary

• Capacitive sensing capability for multiple touch buttons
• Integrated proximity detection functionality
• Standard I2C digital communication interface

Applications

• Consumer electronics touch interfaces
• Appliance control panels
• Industrial user input devices

Procurement Notes

Verify the current production status as this specific part number may be subject to discontinuation or lifecycle changes. Confirm package availability and lead times through authorized distributors. Ensure compliance with RoHS standards and humidity sensitivity levels before procurement.

Selection Notes

Select this component when an eight-channel capacitive touch solution is required. Verify that the system design supports the specified 2.7 V to 3.6 V supply voltage. Ensure the PCB layout accommodates the 4x4 mm MLPQ-UT package dimensions and thermal requirements.

Part Context

This part belongs to the Semtech SX86xx series of capacitive touch controllers. These components are designed for low-power, high-reliability touch sensing applications. The series typically offers configurable channels and robust noise immunity for various consumer and industrial environments.

Replacement Considerations

Check for direct substitutes within the SX86xx family. Verify pin compatibility and software register mapping if replacing with similar models. Consult official documentation for any functional differences between variants.