AT42QT1010

Description

Here's a concise introduction to the AT42QT1010: The Microchip Technology AT42QT1010 is a capacitive touch sensor designed for simple, single-key interfaces or proximity sensing applications. It offers flexibility in key outline sizes, shapes, and materials, making it suitable for various applications such as control panels, consumer appliances, IoT devices, and more. This device requires only one PCB layer and consumes minimal power (17 µA at 1.8 V typical). The AT42QT1010 can be configured to detect a single key or operate in proximity sensing mode, allowing for versatile usage. With its small form factor, low power consumption, and programmable sensitivity, the AT42QT1010 is an ideal solution for various markets needing simple yet reliable human-machine interfaces.

Features

According to the product information, the features of the AT42QT1010 are:

• Number of Keys: One – configurable as either a single key or a proximity sensor
• Key outline sizes: 6 mm × 6 mm or larger (panel thickness dependent); widely different sizes and shapes possible
• Electrode design: Solid or ring electrode shapes
• PCB Layers required: One
• Electrode materials: Etched copper, silver, carbon, Indium Tin Oxide (ITO)
• Panel thickness: Up to 12 mm glass, 6 mm plastic (electrode size and Cs dependent)
• Key sensitivity: Settable via capacitor (Cs)
• Power consumption: 17 µA at 1.8 V typical

These features make the AT42QT1010 suitable for various applications such as control panels, consumer appliances, IoT, proximity sensor applications, toys, lighting controls, and mechanical switch or button replacement.

Package

According to the product information, the Package type for AT42QT1010 is "None", which means it does not have a specific package type or form factor.

Pinout

The AT42QT1010 from Microchip is a capacitive touch sensor IC with a single-pin interface. The pinout is as follows:

• VDD: Power supply (1.8V to 3.6V)
• INT: Interrupt output
• GND: Ground

This single-pin interface makes it easy to integrate the device into your design, reducing the need for additional pins and simplifying the PCB layout. The AT42QT1010 is a highly configurable device that can be used as either a single key or a proximity sensor, making it suitable for a wide range of applications such as control panels, consumer appliances, and IoT devices.

Manufacturer

The manufacturer of the AT42QT1010 is Microchip. Microchip is a leading provider of microcontroller, memory, and analog semiconductors, as well as development tools and software. They are a fabless semiconductor company, meaning they design and manufacture their own chips but outsource the actual manufacturing process to third-party foundries.

Applications

According to the product description, AT42QT1010 Capacitive Touch Sensors has various application areas, including:

• Control panels
• Consumer appliances
• IoT applications
• Proximity sensor applications
• Toys
• Lighting controls
• Mechanical switch or button replacement