Allegro MicroSystems

A3955SLBTR-T

A3955SLBTR-T Description

The A3955SLBTR-T is a high-performance bipolar stepper motor driver designed for general-purpose applications. Manufactured by Allegro MicroSystems, this IC offers a robust and versatile solution for driving bipolar stepper motors with a supply voltage range of 4.5V to 5.5V and a load voltage range of 4.5V to 50V. The A3955SLBTR-T features a half-bridge output configuration with a maximum output current of 1.5A, making it suitable for a wide range of motor control applications. The device supports various step resolutions, including 1, 1/2, 1/4, and 1/8 steps, providing precise control over motor movement.

A3955SLBTR-T Features

• Output Current: The A3955SLBTR-T delivers a maximum output current of 1.5A, ensuring reliable performance even under demanding conditions.
• Output Configuration: The half-bridge output configuration (2) allows for efficient and effective control of bipolar stepper motors.
• Step Resolution: The device supports multiple step resolutions (1, 1/2, 1/4, 1/8), providing flexibility and precision in motor control.
• Supply Voltage: A wide supply voltage range of 4.5V to 5.5V ensures compatibility with various power sources.
• Load Voltage: The load voltage range of 4.5V to 50V allows for a broad spectrum of motor applications.
• Technology: Utilizing bipolar technology, the A3955SLBTR-T offers high efficiency and reliability.
• Compliance: The device is REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level (MSL): MSL 3 (168 hours) ensures the device is suitable for surface mount applications without degradation.
• Mounting Type: Surface mount design allows for compact and efficient integration into various systems.
• Package: The Tape & Reel (TR) packaging format facilitates easy handling and assembly in production environments.
• Interface: Parallel interface for straightforward communication and control.
• Product Status: Although the A3955SLBTR-T is now obsolete, it remains a reliable choice for existing designs and legacy systems.

A3955SLBTR-T Applications

The A3955SLBTR-T is well-suited for a variety of general-purpose applications requiring precise control of bipolar stepper motors. Its versatile design makes it ideal for:

• Industrial Automation: Precision control of robotic arms, conveyor systems, and other automated machinery.
• Medical Equipment: Reliable motor control in medical devices such as laboratory automation and diagnostic equipment.
• Office Automation: Efficient operation in printers, scanners, and other office machinery.
• Consumer Electronics: Smooth and precise motor control in applications like digital cameras and other consumer devices.
• Automotive: Precision control in automotive applications such as seat adjustment systems and window mechanisms.

Conclusion of A3955SLBTR-T

The A3955SLBTR-T is a high-performance bipolar stepper motor driver that offers a comprehensive set of features and benefits for general-purpose applications. Its robust design, wide voltage range, and multiple step resolutions make it a versatile solution for precise motor control. While the product is now obsolete, it remains a reliable choice for existing designs and legacy systems. Allegro MicroSystems' commitment to quality and compliance ensures that the A3955SLBTR-T meets the highest standards of performance and environmental responsibility.