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Product Detailed Parameters
- Description：MICROPROCESSOR CIRCUIT PDSO8
- Series：CAPSENSE™ Express™
- Mfr：Cypress Semiconductor Corp
- Package：Bulk
- Type：Buttons
- Proximity Detection：No
- Number of Inputs：Up to 1
- LED Driver Channels：Up to 1
- Interface：I2C
- Resolution：-
- Voltage - Supply：2.4V ~ 5.25V
- Current - Supply：1.5mA
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The CY8C20111-SX1I is a CapSense Express capacitive touch controller designed for one-button and two-button applications. It operates on a supply voltage range of 2.4V to 5.25V with a typical supply current of 1.5mA. The device supports an operating temperature range from -40°C to 85°C and is housed in an 8-SOIC package with a width of 3.90mm. It features I2C interface connectivity and includes up to one LED driver channel.
Feature Summary
- Integrates capacitive sensing technology for reliable button detection
- Supports proximity sensing capabilities within the design
- Includes integrated LED driver functionality for visual feedback
Applications
- Capacitive touch button interfaces
- Proximity sensing modules
- Consumer electronics control panels
Procurement Notes
Verify component authenticity through authorized Cypress Semiconductor distributors or certified partners. Confirm package marking matches the 8-SOIC specification. Check datasheet revisions for any updates regarding electrical characteristics or pinout configurations prior to integration into final designs.
Selection Notes
Select this component when designing systems requiring simple capacitive input with minimal external components. Ensure the application environment stays within the specified -40°C to 85°C temperature range. Verify that the I2C interface aligns with the host microcontroller's communication requirements and that the supply voltage remains stable between 2.4V and 5.25V.
Part Context
This part belongs to the CapSense Express family, which provides dedicated hardware acceleration for capacitive sensing. It simplifies the design process by integrating necessary signal processing algorithms directly into the silicon, reducing firmware complexity compared to general-purpose microcontrollers handling touch sensing tasks.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult official Cypress Semiconductor resources for potential obsolescence management or direct replacements.
