Microchip Technology Tariff Inquiry

AT42QT1244-AU

AT42QT1244-AU Description

The AT42QT1244-AU from Microchip Technology is a high-performance capacitive touch sensor controller designed for up to 24 input channels, making it ideal for applications requiring robust touch interface solutions. This QMatrix™ series device operates within a 3V to 5V supply range and consumes 6.6mA of current, ensuring efficient power management. Housed in a 32TQFP package, it supports surface-mount assembly and complies with ROHS3 and REACH environmental standards. The IC features a 10-bit resolution for precise touch detection and communicates via the I2C interface, enabling seamless integration with microcontrollers. With a Moisture Sensitivity Level (MSL) of 3 (168 hours), it is suitable for industrial and consumer applications requiring reliable performance.

AT42QT1244-AU Features

• 24-Key Capacitive Touch Sensing: Supports up to 24 independent touch inputs for versatile interface designs.
• Low Power Consumption: Operates at 6.6mA, making it suitable for battery-powered devices.
• Wide Voltage Range (3V–5V): Compatible with a variety of system power supplies.
• I2C Interface: Simplifies communication with host controllers for streamlined design integration.
• 10-Bit Resolution: Delivers high sensitivity for accurate touch detection.
• Surface-Mount (32TQFP): Compact form factor ideal for space-constrained PCB layouts.
• Robust Environmental Compliance: ROHS3 and REACH unaffected, ensuring adherence to global standards.

AT42QT1244-AU Applications

• Consumer Electronics: Touch-enabled control panels for appliances, remote controls, and smart home devices.
• Industrial HMI: Robust touch interfaces for machinery, automation systems, and control panels.
• Automotive Infotainment: Reliable touch inputs for dashboards and center consoles.
• Medical Devices: Hygienic, no-moving-parts interfaces for diagnostic and monitoring equipment.
• Gaming & Wearables: Responsive touch controls for handheld consoles and fitness trackers.

Conclusion of AT42QT1244-AU

The AT42QT1244-AU stands out as a versatile and efficient capacitive touch controller, offering high channel count, low power consumption, and reliable performance. Its I2C interface and 10-bit resolution make it a preferred choice for designers seeking precision and ease of integration. Whether for consumer, industrial, or automotive applications, this IC provides a robust solution for modern touch-sensitive interfaces.