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Product Detailed Parameters
- Description：IC CTLR TOUCH KEY 8CH 20-QFN
- Series：-
- Mfr：Semtech Corporation
- Package：Tape & Reel (TR)
- Type：Buttons
- Proximity Detection：Yes
- Number of Inputs：Up to 8
- LED Driver Channels：Up to 8
- Interface：I2C
- Resolution：-
- Voltage - Supply：2.7V ~ 5.5V
- Current - Supply：600µA
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：20-WFQFN Exposed Pad
- Supplier Device Package：20-QFN (4x4)
- Grade：-
- Qualification：-
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Overview
The SX9510EWLTRT is a capacitive touch sensor controller manufactured by Semtech Corporation. It integrates eight capacitive buttons, LEDs, an IR decoder, and a proximity controller with analog outputs. The device operates within a temperature range of -40 °C to 85 °C and utilizes a 32-pin HVQCCN package measuring 5 mm in length with a maximum seated height of 0.8 mm. It supports a nominal supply voltage of 3 V and features surface-mount construction.
Feature Summary
- Integrates eight capacitive button channels for user interface control
- Includes built-in infrared decoding capabilities
- Provides proximity sensing functionality with analog output signals
- Features integrated LED driver support
Applications
- Consumer electronics requiring multi-button touch interfaces
- Smart home devices utilizing proximity detection
- Remote control systems incorporating IR signal processing
Procurement Notes
Verify the component authenticity against Semtech Corporation specifications. Confirm the part number suffix matches the required tape and reel packaging configuration. Ensure the operating temperature range aligns with the target application environment. Check for RoHS compliance status as indicated in official documentation.
Selection Notes
Select this component when an integrated solution for multiple touch inputs, proximity sensing, and IR decoding is required. Consider the 32-pin QFN package constraints for PCB layout. Evaluate the 3 V supply voltage requirement against the system power architecture. Assess the need for analog output signals from the proximity sensor.
Part Context
This part belongs to Semtech's family of capacitive touch sensors and controllers. It is functionally related to other models such as the SX9510ETSTRT and SX9510EVK, which share similar core functionalities but may differ in packaging or evaluation kit inclusion. These components are designed for low-power touch applications.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing firmware and hardware designs before considering alternative components.
