Allegro MicroSystems

A3953SLB-T  

Motor Drivers, Controllers

A3953SLB-T Description

The A3953SLB-T is a high-performance motor driver IC designed by Allegro MicroSystems, a leading manufacturer in the field of power management and motion control. This device is specifically engineered to drive brushed DC and bipolar stepper motors with a supply voltage range of 3V to 5.5V and a load voltage range of 3V to 50V. It features a half-bridge output configuration with a maximum output current of 1.3A, making it suitable for a variety of general-purpose applications.

The A3953SLB-T is housed in a surface-mount 16SOIC package, which is available in tube packaging for convenient handling and assembly. It employs bipolar technology, ensuring robust performance and reliability. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. With a moisture sensitivity level (MSL) of 1 (unlimited), the A3953SLB-T is well-suited for use in various industrial and consumer environments.

A3953SLB-T Features

• Output Current Capability: The A3953SLB-T can deliver a maximum output current of 1.3A, providing ample power for driving small to medium-sized motors.
• Wide Voltage Range: It operates within a supply voltage range of 3V to 5.5V and can handle load voltages up to 50V, offering flexibility in power supply options.
• Half Bridge Configuration: The half-bridge output configuration allows for efficient control of motor direction and speed.
• Bipolar Technology: Utilizing bipolar technology, the A3953SLB-T ensures high efficiency and reliability in motor driving applications.
• Surface Mount Packaging: The 16SOIC surface-mount package is ideal for compact designs and automated assembly processes.
• Environmental Compliance: The device is REACH unaffected and RoHS3 compliant, making it suitable for environmentally conscious applications.
• Moisture Sensitivity Level: With an MSL of 1 (unlimited), the A3953SLB-T is highly resistant to moisture, ensuring long-term reliability in various environmental conditions.

A3953SLB-T Applications

The A3953SLB-T is designed for general-purpose applications where reliable motor control is essential. It is particularly well-suited for:

• Consumer Electronics: Driving small motors in devices such as printers, scanners, and robotic toys.
• Industrial Automation: Controlling stepper motors in precision machinery and automated production lines.
• Automotive: Managing DC motors in automotive applications, such as window lifts, seat adjustments, and cooling fans.
• Medical Devices: Operating motors in medical equipment like infusion pumps and diagnostic machines.

Conclusion of A3953SLB-T

The A3953SLB-T from Allegro MicroSystems is a versatile and reliable motor driver IC that offers a wide range of features and benefits. Its ability to drive both brushed DC and bipolar stepper motors with a high output current and wide voltage range makes it an ideal choice for a variety of applications. The device's surface-mount packaging, environmental compliance, and high moisture sensitivity level further enhance its suitability for modern electronic designs. Despite being marked as obsolete, the A3953SLB-T remains a valuable component for engineers and designers seeking a robust and efficient motor driver solution.

A3953SLB-T Documents

Download datasheets and manufacturer documentation for A3953SLB-T

Datasheets :

A3953      

PCN Packaging :

Tape Change 27/Jan/2023      

HTML Datasheet :

A3953