SX8638I05AULTRT

Touch Capacitive Sensor Overview

The SX8638I05AULTRT is a low-power capacitive touch controller manufactured by Semtech. It supports up to eight sensors, including buttons and sliders, and integrates enhanced LED drivers with proximity detection capabilities. The device operates within an ambient temperature range of -40°C to +85°C and utilizes a 28-pin QFN package measuring 4x4 mm. It functions as an analog circuit designed for touch interface applications.

Touch Capacitive Sensor Feature Summary

• Integrates enhanced LED driver functionality alongside touch sensing
• Supports proximity detection features for user interaction
• Capable of managing multiple sensor configurations including buttons and sliders

Touch Capacitive Sensor Applications

• Low power capacitive button interfaces
• Slider touch control systems
• Proximity-enabled touch controllers

Touch Capacitive Sensor Procurement Notes

Verify the specific ordering suffix against official Semtech documentation to confirm pinout and functional variations. Ensure compatibility with required operating temperatures and package dimensions before integration into final designs.

Touch Capacitive Sensor Selection Notes

Select this component when designing systems requiring integrated touch sensing with LED driving and proximity features. Confirm that the eight-sensor capacity meets system requirements and that the QFN package fits the PCB layout constraints.

Touch Capacitive Sensor Part Context

This part belongs to the SX8638 series of capacitive touch controllers from Semtech. It shares family characteristics with other models in the line but is distinguished by its specific sensor count and integrated peripheral drivers.

Touch Capacitive Sensor Replacement Considerations

Consult official Semtech substitution guides for verified alternatives. Cross-reference pinouts and electrical specifications carefully when considering equivalent components from other manufacturers.