Microchip Technology

QT112-D  

Sensor and Detector Interfaces

QT112-D Description

The QT112-D is a touch and proximity sensor IC from Microchip Technology, designed to provide reliable and efficient touch and proximity detection in various applications. This Interface IC Chip is part of the QProx™ series and is housed in an 8-DIP package, making it suitable for through-hole mounting. The QT112-D operates within a temperature range of 0°C to 70°C and has a supply current of just 60µA, ensuring low power consumption. It supports a supply voltage range of 2.5V to 5.5V, making it compatible with a wide range of power sources.

QT112-D Features

• Touch and Proximity Detection: The QT112-D is equipped with proximity detection capabilities, allowing it to sense the presence of objects without physical contact. This feature is particularly useful in applications where touchless operation is desired.
• Low Power Consumption: With a supply current of only 60µA, the QT112-D is highly energy-efficient, making it suitable for battery-powered devices and applications where power conservation is critical.
• Wide Operating Voltage Range: The IC operates within a voltage range of 2.5V to 5.5V, providing flexibility in power supply options and ensuring compatibility with various electronic systems.
• High Resolution: The QT112-D offers a resolution of 14 bits, providing precise detection and measurement capabilities.
• LED Driver Channels: The IC includes up to one LED driver channel, enabling visual feedback or status indication in applications.
• Obsolete Status: While the QT112-D is marked as obsolete, it remains a reliable and proven solution for applications where its specific features are required.
• Compliance: The QT112-D is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and standards.

QT112-D Applications

The QT112-D is ideal for a variety of applications where touch and proximity sensing are required. Some specific use cases include:

• Consumer Electronics: In devices such as smartphones, tablets, and smart home appliances, the QT112-D can provide touch and proximity sensing for user interfaces, enhancing user experience and interaction.
• Automotive Systems: For applications like proximity sensing in car interiors, the QT112-D can detect the presence of objects or users, enabling features like automatic lighting or control systems.
• Industrial Automation: In industrial settings, the QT112-D can be used for non-contact sensing of objects on conveyor belts or in machinery, improving safety and efficiency.
• Medical Devices: For medical equipment requiring touch and proximity sensing, the QT112-D can provide reliable detection capabilities, ensuring accurate and safe operation.

Conclusion of QT112-D

The QT112-D from Microchip Technology is a versatile and reliable touch and proximity sensor IC, offering a range of features that make it suitable for various applications. Its low power consumption, wide operating voltage range, and high resolution make it an attractive choice for designers looking to integrate touch and proximity sensing into their projects. Despite its obsolete status, the QT112-D remains a proven solution, providing consistent performance and reliability. For applications requiring touchless operation, energy efficiency, and precise detection, the QT112-D is an excellent option.

QT112-D Documents

Download datasheets and manufacturer documentation for QT112-D

Datasheets :

QT111(112,115)      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016      

HTML Datasheet :

QT111(112,115)      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH