CY8CTMA340-LQI-09KL

Overview

The CY8CTMA340-LQI-09KL is a TrueTouch Multi-Touch Controller manufactured by Cypress Semiconductor Corp. It features a capacitive touchscreen interface supporting I2C and SPI communication protocols. The device is housed in a 36-QFN (5x5) package. It operates within an extended temperature range, suitable for robust embedded applications requiring multi-touch input processing.

Feature Summary

• Supports multi-touch input detection via capacitive sensing technology
• Provides flexible digital connectivity through I2C and SPI interfaces
• Integrated controller designed specifically for touchscreen application environments

Applications

• Capacitive touchscreen controllers
• Multi-touch input devices
• Embedded human-machine interfaces

Procurement Notes

Verify the exact suffix against official Infineon or Cypress documentation to confirm pinout and electrical characteristics. Ensure the component matches the specific 36-QFN package requirements. Cross-reference the manufacturer part number with current datasheets to validate availability status and functional compatibility before integration into design specifications.

Selection Notes

Select this component when a dedicated controller for capacitive multi-touch screens is required. The choice depends on the need for integrated I2C or SPI interface support and the physical constraint of a 36-QFN footprint. Evaluate thermal performance requirements against the specified operating temperature range to ensure reliability in the target environment.

Part Context

This component belongs to the TrueTouch family of touch controllers from Cypress Semiconductor, now part of Infineon Technologies. These devices are engineered to handle complex touch gestures and inputs. The CY8CTMA340 series represents a specialized solution for integrating touch capabilities into compact electronic systems without requiring external processing overhead.

Replacement Considerations

Consult official Infineon documentation for verified substitute part numbers within the TrueTouch family. Ensure any replacement maintains compatibility with the required I2C/SPI interface and QFN package dimensions.