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Product Detailed Parameters
- Description：SMART SENSING SX8638 METAL
- Series：-
- Mfr：Semtech Corporation
- Package：Box
- Type：-
- Proximity Detection：-
- Number of Inputs：-
- LED Driver Channels：-
- Interface：-
- Resolution：-
- Voltage - Supply：-
- Current - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The SX8638METAL is a low-power capacitive touch controller manufactured by Semtech Corporation, designed for applications requiring up to eight sensors. The device integrates enhanced LED drivers and proximity sensing capabilities within a single chip. It supports both button and slider input configurations, offering a compact solution for user interface control in portable electronics. The component operates with standard I2C communication interfaces and includes features such as auto-calibration and temperature compensation to maintain performance across varying environmental conditions.
Feature Summary
- Integrates capacitive sensing for multiple buttons and sliders
- Includes built-in enhanced LED driver circuitry
- Supports proximity detection functionality
- Features automatic calibration and temperature compensation
Applications
- Portable consumer electronics user interfaces
- Smart home control panels
- Industrial equipment touch controls
Procurement Notes
Verify the specific suffix METAL against official Semtech documentation to confirm package type and tape/reel specifications. Ensure compatibility with existing PCB footprints and firmware libraries before procurement. Confirm RoHS compliance status through the manufacturer's latest datasheet or orderable part number listing.
Selection Notes
Select this component when an integrated solution for capacitive touch and LED driving is required. Compare sensor count requirements against similar models like the SX8633 or SX8648 if more or fewer channels are needed. Evaluate power consumption constraints relative to battery-operated designs.
Part Context
The SX8638 belongs to Semtech's family of low-power capacitive touch controllers. It shares architectural similarities with the SX8633 and SX8648 series but offers a specific configuration for eight sensors. This model is positioned for cost-sensitive applications requiring combined touch and lighting control functions.
Replacement Considerations
Direct substitutes may include other Semtech models from the same family, such as the SX8633 or SX8648, depending on sensor count and package compatibility. Verify pin-to-pin compatibility and register map alignment before substitution.
