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CY8C20446H-24LQXI
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CY8C20446H-24LQXI Description
CY8C20446H-24LQXI Description
The CY8C20446H-24LQXI is an obsolete integrated circuit (IC) from Infineon Technologies, designed for capacitive sensing applications. It belongs to the CapSense® Controllers series and features an M8C core processor. This IC is equipped with 16kB of FLASH program memory and 2K x 8 RAM, providing ample storage for complex applications. The device operates within a wide voltage range of 1.71V to 5.5V, ensuring compatibility with various power supply configurations. It supports surface mount technology (SMT) and comes in a 32QFN package, making it suitable for compact and high-density designs. The CY8C20446H-24LQXI also includes 28 I/O pins and interfaces with I2C and SPI protocols, facilitating seamless communication with other system components. Despite its obsolescence, it remains a reliable choice for applications requiring robust capacitive sensing capabilities.
CY8C20446H-24LQXI Features
- Core Processor: M8C, offering efficient processing capabilities.
- Program Memory: 16kB FLASH, providing sufficient storage for embedded applications.
- RAM Size: 2K x 8, ensuring ample temporary storage for data processing.
- Voltage Range: 1.71V to 5.5V, ensuring compatibility with a wide range of power supplies.
- I/O Pins: 28, allowing for extensive connectivity options.
- Mounting Type: Surface Mount, suitable for modern, compact designs.
- Package: 32QFN, offering a robust and space-efficient solution.
- Interfaces: I2C and SPI, enabling flexible communication with other devices.
- Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental and safety standards are met.
- Moisture Sensitivity Level: MSL 3 (168 Hours), ensuring reliability in various environmental conditions.
CY8C20446H-24LQXI Applications
The CY8C20446H-24LQXI is ideally suited for applications requiring precise capacitive sensing, such as touchscreens, proximity sensors, and user interface controls. Its wide voltage range and robust design make it suitable for both low-power and high-voltage applications. The device's extensive I/O capabilities and support for I2C and SPI interfaces allow for seamless integration into complex systems. Specific use cases include:
- Touchscreen Interfaces: Providing accurate and responsive touch detection.
- Proximity Sensors: Detecting the presence of objects without physical contact.
- User Interface Controls: Enhancing user experience with touch-sensitive buttons and sliders.
- Industrial Automation: Monitoring and controlling processes through capacitive sensing.
Conclusion of CY8C20446H-24LQXI
The CY8C20446H-24LQXI is a versatile and reliable IC designed for capacitive sensing applications. Despite its obsolescence, it continues to offer significant benefits, including its robust design, wide voltage range, and extensive connectivity options. Its compatibility with modern SMT processes and compliance with environmental standards make it a suitable choice for a variety of applications. For engineers and designers seeking a reliable capacitive sensing solution, the CY8C20446H-24LQXI remains a valuable option.





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