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CY8C20466-24LQXI

CY8C20466-24LQXI Description

The CY8C20466-24LQXI is a part of the CapSense® Controllers series, designed by Infineon Technologies. This embedded IC chip is tailored for capacitive sensing applications, offering a robust solution for integrating touch and proximity sensing capabilities into various electronic devices. The core processor of this IC is the M8C, which is known for its efficiency and reliability in handling complex sensing tasks.

This IC features 32kB of FLASH program memory, providing ample space for storing firmware and application code. The 2K x 8 RAM ensures efficient data handling during operation. The CY8C20466-24LQXI supports a wide voltage range of 1.71V to 5.5V, making it versatile for different power supply configurations. It also includes 28 I/O pins, which can be configured for various interfacing needs.

The CY8C20466-24LQXI is packaged in a 32QFN format, suitable for surface mount applications. It is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards. The moisture sensitivity level (MSL) is rated at 3 (168 hours), making it suitable for standard manufacturing processes.

CY8C20466-24LQXI Features

• Core Processor: M8C, delivering efficient processing capabilities for capacitive sensing applications.
• Program Memory: 32kB FLASH memory, providing sufficient storage for complex firmware and applications.
• RAM Size: 2K x 8, ensuring efficient data handling and processing.
• Voltage Range: 1.71V to 5.5V, offering flexibility in power supply options.
• Number of I/O Pins: 28, allowing for versatile interfacing with other components.
• Mounting Type: Surface Mount, suitable for modern PCB assembly techniques.
• Package Type: 32QFN, providing a compact and reliable form factor.
• Environmental Compliance: REACH unaffected and ROHS3 compliant, ensuring safety and environmental standards.
• Moisture Sensitivity Level: MSL 3 (168 hours), suitable for standard manufacturing processes.
• Interfaces: I2C and SPI, enabling seamless communication with other devices.

CY8C20466-24LQXI Applications

The CY8C20466-24LQXI is ideal for applications requiring capacitive sensing, such as touchpads, proximity sensors, and touch buttons. Its wide voltage range and versatile I/O capabilities make it suitable for a variety of devices, from consumer electronics to industrial control systems.

Specific use cases include:

• Touchpads and Touchscreens: Providing precise and responsive touch detection.
• Proximity Sensors: Detecting the presence of objects without physical contact.
• Touch Buttons: Replacing mechanical buttons with more durable and responsive capacitive buttons.
• Industrial Control Panels: Enhancing user interfaces with reliable touch and proximity sensing.
• Consumer Electronics: Integrating touch and proximity sensing in devices like smartphones, tablets, and home appliances.

Conclusion of CY8C20466-24LQXI

The CY8C20466-24LQXI is a versatile and reliable capacitive sensing controller, offering a comprehensive set of features tailored for touch and proximity sensing applications. Its wide voltage range, ample memory, and versatile I/O capabilities make it suitable for a variety of electronic devices. The IC's compliance with environmental and safety standards ensures it meets industry requirements.

While the CY8C20466-24LQXI is now considered obsolete, it remains a valuable option for legacy systems and applications where its unique features and capabilities are still relevant. For new designs, engineers may consider exploring updated alternatives within the CapSense® Controllers series to leverage the latest advancements in capacitive sensing technology.