Microchip Technology

ATMXT224E-ATR  

Touch Screen Controllers

ATMXT224E-ATR Description

The ATMXT224E-ATR is a touch screen controller designed by Microchip Technology, a leading manufacturer in the electronics industry. This controller is part of the maXTouch™ series, known for its high performance and reliability in touch screen applications. The ATMXT224E-ATR features a 2-wire capacitive touchscreen interface, providing a seamless and responsive user experience. It operates within a supply voltage range of 1.71V to 3.47V and draws a supply current of 820 µA, making it energy-efficient and suitable for battery-operated devices.

This controller is designed for surface mount applications and is available in bulk packaging. It includes an internal voltage reference, ensuring consistent performance across varying conditions. The ATMXT224E-ATR supports a 12-bit resolution, providing precise touch detection and response. It interfaces with systems via I2C and serial communication protocols, offering flexibility in system integration.

ATMXT224E-ATR Features

• 2-Wire Capacitive Touchscreen: The ATMXT224E-ATR utilizes a 2-wire capacitive touchscreen interface, which simplifies the design and reduces the complexity of the touch system. This feature enhances the touch response time and accuracy, providing a superior user experience.
• Wide Supply Voltage Range: With a supply voltage range of 1.71V to 3.47V, the ATMXT224E-ATR is versatile and can be used in a variety of devices with different power supply requirements.
• Low Power Consumption: Drawing only 820 µA of supply current, the ATMXT224E-ATR is highly energy-efficient, making it ideal for portable and battery-operated devices where power consumption is a critical factor.
• Surface Mount Compatibility: The surface mount mounting type allows for easy integration into modern electronic devices, ensuring a compact and reliable design.
• 12-Bit Resolution: The ATMXT224E-ATR offers a 12-bit resolution, providing precise touch detection and response. This high resolution ensures accurate touch input, even in complex user interfaces.
• Internal Voltage Reference: The inclusion of an internal voltage reference ensures consistent performance across varying operating conditions, enhancing the reliability and stability of the touch system.
• Multiple Communication Interfaces: The ATMXT224E-ATR supports both I2C and serial communication protocols, offering flexibility in system integration and compatibility with a wide range of host systems.

ATMXT224E-ATR Applications

The ATMXT224E-ATR is ideal for a variety of applications where a reliable and efficient touch screen controller is required. Some specific use cases include:

• Consumer Electronics: Ideal for smartphones, tablets, and other portable devices where a responsive and energy-efficient touch screen is essential.
• Industrial Control Panels: Suitable for industrial applications where robust and reliable touch interfaces are needed for control panels and user interfaces.
• Medical Devices: The ATMXT224E-ATR can be used in medical devices where precise touch input is critical for patient monitoring and diagnostic equipment.
• Automotive Systems: This controller can be integrated into automotive infotainment systems, providing a user-friendly interface for drivers and passengers.
• Point of Sale (POS) Systems: The ATMXT224E-ATR is well-suited for POS systems, where a reliable touch screen is necessary for efficient transaction processing.

Conclusion of ATMXT224E-ATR

The ATMXT224E-ATR, despite being marked as obsolete, remains a robust and reliable touch screen controller suitable for a wide range of applications. Its unique features, such as the 2-wire capacitive touchscreen interface, wide supply voltage range, and low power consumption, make it an attractive choice for designers looking to integrate a high-performance touch screen into their devices. The ATMXT224E-ATR's compatibility with various communication protocols and its surface mount design ensure seamless integration into modern electronic systems. For applications requiring precise touch detection and energy efficiency, the ATMXT224E-ATR stands out as a reliable and efficient solution.

ATMXT224E-ATR Documents

Download datasheets and manufacturer documentation for ATMXT224E-ATR

Datasheets :

ATMXT224E-ATR