Allegro MicroSystems

A4490EES-T  

DC Switching Voltage Regulators

A4490EES-T Description

The A4490EES-T is a highly versatile and efficient power management integrated circuit (PMIC) designed by Allegro MicroSystems. This device is specifically engineered to provide adjustable output voltages, making it suitable for a wide range of applications that require precise voltage regulation. The A4490EES-T operates within an input voltage range of 4.5V to 34V, ensuring compatibility with various power sources. It features a buck topology, which is known for its high efficiency and compact design, making it ideal for space-constrained applications.

A4490EES-T Features

• Adjustable Output Voltage: The A4490EES-T offers an adjustable output voltage range from 0.8V to 30.6V, providing flexibility for diverse power requirements.
• High Efficiency: With a switching frequency of 550kHz, the A4490EES-T ensures high efficiency and minimal power loss, which is crucial for battery-operated devices and energy-sensitive applications.
• Positive Output Configuration: The device is designed with a positive output configuration, simplifying circuit design and ensuring stable power delivery.
• Surface Mount Technology: The A4490EES-T is available in a surface mount package, specifically a 20QFN, which is ideal for automated assembly processes and contributes to a compact and robust design.
• Compliance and Reliability: The A4490EES-T meets stringent industry standards, including REACH Unaffected and ROHS3 compliance, ensuring environmental safety and reliability. It also has a Moisture Sensitivity Level (MSL) of 1 (Unlimited), making it suitable for a variety of manufacturing environments.
• Multiple Outputs: The device supports three outputs, providing additional flexibility for multi-rail power systems.
• Obsolete Status: While the A4490EES-T is marked as obsolete, it remains a reliable choice for legacy systems and applications where its specific features are still required.

A4490EES-T Applications

The A4490EES-T is well-suited for a variety of applications that demand precise voltage regulation and high efficiency. Some specific use cases include:

• Telecommunications Equipment: Ideal for powering various components in telecom systems, where stable and adjustable voltage supply is critical.
• Industrial Control Systems: Suitable for industrial applications that require reliable power management solutions with multiple output capabilities.
• Consumer Electronics: Applicable in consumer devices that need efficient power conversion and compact design, such as smartphones, tablets, and portable gaming devices.
• Automotive Electronics: Given its wide input voltage range and robust design, the A4490EES-T can be used in automotive applications where power sources can vary significantly.

Conclusion of A4490EES-T

The A4490EES-T from Allegro MicroSystems stands out as a versatile and efficient power management solution. Its adjustable output voltage range, high switching frequency, and multiple output capabilities make it a valuable component for a wide array of applications. Despite its obsolete status, the A4490EES-T continues to offer reliable performance and compliance with industry standards. For engineers and designers looking for a compact, efficient, and flexible PMIC, the A4490EES-T remains a compelling choice, especially in legacy systems and applications where its unique features are essential.

A4490EES-T Documents

Download datasheets and manufacturer documentation for A4490EES-T

Datasheets :

A4490      

PCN Packaging :

Tape Change 27/Jan/2023      

HTML Datasheet :

A4490