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AT42QT2161-MMU

AT42QT2161-MMU Description

The AT42QT2161-MMU is a highly versatile touch sensor IC designed by Microchip Technology. This Interface IC Chip belongs to the QMatrix™ and QSlide™ series, offering a robust solution for capacitive touch sensing applications. It supports up to 16 inputs, making it suitable for a wide range of applications that require multiple touch points. The AT42QT2161-MMU features a 10-bit resolution, ensuring precise detection of touch events. It operates within a supply voltage range of 1.8V to 5.5V and consumes a minimal supply current of 1.14mA, making it energy-efficient for battery-powered devices.

AT42QT2161-MMU Features

• High Input Capacity: Supports up to 16 inputs, ideal for applications requiring multiple touch points.
• Energy Efficiency: Consumes only 1.14mA of supply current, making it suitable for low-power applications.
• Flexible Voltage Range: Operates within a wide supply voltage range of 1.8V to 5.5V, providing flexibility in power supply options.
• High Resolution: Features a 10-bit resolution for precise touch detection.
• LED Driver Channels: Includes 11 LED driver channels, enhancing user feedback mechanisms.
• Communication Interface: Equipped with an I2C interface for easy integration with microcontrollers and other systems.
• Surface Mount Packaging: Available in a 28-pin VQFN package, suitable for surface mount technology (SMT) and compact designs.
• Compliance and Safety: RoHS3 compliant and REACH unaffected, ensuring environmental and safety standards are met.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for various environmental conditions.

AT42QT2161-MMU Applications

The AT42QT2161-MMU is ideal for applications that require reliable and precise touch sensing. Some specific use cases include:

• Consumer Electronics: Ideal for smartphones, tablets, and other consumer devices that require multiple touch buttons and sliders.
• Home Appliances: Suitable for touch control panels in appliances such as washing machines, refrigerators, and ovens.
• Automotive: Can be used in vehicle infotainment systems and control panels for a sleek, modern interface.
• Industrial Control Panels: Enhances user interaction in industrial settings with robust touch controls.
• Medical Devices: Provides reliable touch sensing for medical equipment, ensuring precise control and user feedback.

Conclusion of AT42QT2161-MMU

The AT42QT2161-MMU from Microchip Technology is a comprehensive solution for capacitive touch sensing applications. Its high input capacity, energy efficiency, and precise resolution make it a standout choice in the market. The inclusion of 11 LED driver channels and an I2C interface further enhances its functionality and ease of integration. While the product is marked as obsolete, it remains a reliable option for existing designs and legacy systems. The AT42QT2161-MMU's compliance with environmental and safety standards ensures it meets the demands of modern electronics manufacturing.