The QT1080-ISG is a highly advanced capacitive touch sensor IC designed by Microchip Technology, part of the renowned QTouch™ series. This interface IC chip is specifically engineered to provide robust and reliable touch sensing capabilities, making it ideal for a wide range of applications. The QT1080-ISG features an 8-channel input capacity, allowing it to support multiple buttons or touch-sensitive areas. It operates within a supply voltage range of 2.8V to 5V and draws a supply current of 4.5mA, ensuring efficient power usage.
The QT1080-ISG is designed for surface mount applications, making it suitable for integration into compact and space-constrained designs. It is packaged in a 32QFN format and comes in a tape and reel (TR) packaging, which is ideal for automated assembly processes. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 3, allowing for a 168-hour exposure period, which ensures reliability in various environmental conditions.
The QT1080-ISG offers several unique features that set it apart from similar models in the market. One of its standout capabilities is proximity detection, which allows the device to sense the presence of a finger or conductive object without direct contact. This feature enhances user experience by enabling touchless interactions, making it ideal for applications requiring high hygiene standards or non-contact controls.
The device also boasts an 8-bit resolution, providing precise and accurate touch detection. This high resolution ensures that even the slightest changes in capacitance are detected, resulting in a responsive and sensitive touch interface. The QT1080-ISG is designed to be highly programmable, although its DigiKey programmability status is not verified, indicating that users may need to refer to Microchip Technology's official documentation for specific programming details.
The QT1080-ISG is versatile and can be applied in various industries and applications. Its 8-channel input capacity and button type make it ideal for consumer electronics, where multiple touch controls are required. For instance, it can be used in smartphones, tablets, and other handheld devices to provide intuitive touch interfaces. The proximity detection feature makes it suitable for applications in healthcare, where touchless controls are essential for maintaining hygiene standards.
In automotive applications, the QT1080-ISG can be integrated into dashboards and control panels to provide a sleek and modern touch interface. The device's ability to operate within a wide supply voltage range and its low supply current make it energy-efficient, which is crucial for battery-operated devices. Its surface mount type and compact packaging also make it suitable for integration into small form-factor devices, such as smartwatches and fitness trackers.
In conclusion, the QT1080-ISG is a highly capable capacitive touch sensor IC that offers a range of advanced features and benefits. Its 8-channel input capacity, proximity detection, and high resolution make it a superior choice for applications requiring precise and responsive touch sensing. The device's surface mount type, compact packaging, and energy efficiency further enhance its suitability for a wide range of applications, from consumer electronics to automotive and healthcare.
Despite being marked as obsolete, the QT1080-ISG remains a reliable and robust solution for touch sensing needs. Its adherence to environmental and safety standards, such as REACH and RoHS3 compliance, ensures that it meets the requirements of modern electronics manufacturing. For designers and engineers looking for a reliable and feature-rich touch sensor IC, the QT1080-ISG is an excellent option to consider.
Download datasheets and manufacturer documentation for QT1080-ISG