Microchip Technology

QT401-ISG  

Sensor and Detector Interfaces

QT401-ISG Description

The QT401-ISG is a surface-mount, single-position slider sensor IC from Microchip Technology's QSlide™ series. This obsolete but highly capable device is designed for applications requiring precise position sensing and user interface control. It features a 7-bit resolution, providing detailed positional data through its SPI interface. The QT401-ISG operates within a supply voltage range of 2.5V to 5V and draws a minimal supply current of 750µA, making it energy-efficient for battery-powered and low-power applications. The device is packaged in a tape and reel format, facilitating automated assembly processes. It also supports proximity detection, enhancing its functionality for touchless sensing applications. The QT401-ISG is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. With a moisture sensitivity level of 1 (unlimited), it is suitable for a wide range of environmental conditions.

QT401-ISG Features

• High Resolution: The 7-bit resolution ensures precise positional data, making it ideal for applications requiring detailed feedback.
• Low Power Consumption: With a supply current of only 750µA, the QT401-ISG is suitable for low-power and battery-operated devices.
• Wide Operating Voltage Range: The 2.5V to 5V supply voltage range provides flexibility in power supply options.
• SPI Interface: The SPI interface allows for easy integration with microcontrollers and other digital systems.
• Proximity Detection: This feature enables touchless sensing, enhancing user experience in various applications.
• Surface Mount Packaging: The surface-mount design facilitates easy integration into compact and high-density PCB layouts.
• Environmental Compliance: The QT401-ISG is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards.
• Moisture Sensitivity Level 1: The device is suitable for a wide range of environmental conditions, making it robust for various industrial and consumer applications.

QT401-ISG Applications

The QT401-ISG is ideal for a variety of applications where precise position sensing and user interface control are required. Some specific use cases include:

• Consumer Electronics: In devices such as smartphones, tablets, and laptops, the QT401-ISG can be used for touchpad and slider controls, providing a responsive and precise user interface.
• Industrial Automation: For position sensing in robotic arms and automated machinery, the high resolution and low power consumption make it a suitable choice.
• Medical Devices: In medical equipment requiring precise control, such as infusion pumps and monitoring devices, the QT401-ISG can provide reliable and accurate position feedback.
• Automotive: For in-vehicle control systems, such as climate control and infotainment systems, the device can offer a user-friendly interface with touchless sensing capabilities.
• Home Appliances: In appliances like washing machines and ovens, the QT401-ISG can be used for control panels, providing a sleek and responsive user interface.

Conclusion of QT401-ISG

The QT401-ISG from Microchip Technology's QSlide™ series is a versatile and precise slider sensor IC, offering high resolution and low power consumption. Its wide operating voltage range, SPI interface, and proximity detection capabilities make it suitable for a variety of applications across consumer electronics, industrial automation, medical devices, automotive, and home appliances. Despite being obsolete, the QT401-ISG remains a robust and reliable choice for applications requiring detailed positional feedback and user interface control. Its environmental compliance and surface-mount packaging further enhance its suitability for modern electronic designs.

QT401-ISG Documents

Download datasheets and manufacturer documentation for QT401-ISG

Datasheets :

QT401      

PCN Packaging :

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

PCN Obsolescence/ EOL :

Multiple Devices Revision A 26/Mar/2014       Multiple Devices 21/Jan/2014      

HTML Datasheet :

QT401      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH