Allegro MicroSystems

A5977GLPTR-T  

Motor Drivers, Controllers

A5977GLPTR-T Description

The A5977GLPTR-T is a high-performance bipolar stepper motor driver designed for general-purpose applications. Manufactured by Allegro MicroSystems, this IC offers a robust solution for driving bipolar stepper motors with a supply voltage range of 3V to 5.5V and a load voltage range of 8V to 40V. The device is housed in a 28-TSSOP surface-mount package, making it suitable for compact and space-constrained designs. The A5977GLPTR-T features a half-bridge output configuration with a maximum output current of 2.8A, ensuring efficient power delivery to the motor.

A5977GLPTR-T Features

• High Current Capability: The A5977GLPTR-T supports a maximum output current of 2.8A, providing sufficient power to drive stepper motors effectively.
• Flexible Step Resolution: The device offers step resolution options of 1, 1/2, 1/4, and 1/8, allowing for precise control and smooth motor operation.
• Wide Voltage Range: With a supply voltage range of 3V to 5.5V and a load voltage range of 8V to 40V, the A5977GLPTR-T is versatile and can accommodate various power supply configurations.
• DMOS Technology: Utilizing DMOS technology, the A5977GLPTR-T ensures high efficiency and low power loss, contributing to overall system performance.
• Logic Interface: The device features a logic interface, simplifying integration with microcontrollers and other digital systems.
• Compliance and Reliability: The A5977GLPTR-T is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards are met. Additionally, it has a moisture sensitivity level (MSL) of 2 (1 year), making it suitable for a variety of manufacturing environments.
• Packaging: Available in a tape and reel (TR) package, the A5977GLPTR-T is ideal for automated assembly processes.

A5977GLPTR-T Applications

The A5977GLPTR-T is well-suited for a wide range of general-purpose applications where precise motor control is required. Its ability to drive bipolar stepper motors with high current and flexible step resolution makes it ideal for:

• Office Automation Equipment: Such as printers, scanners, and copiers, where precise positioning and smooth operation are crucial.
• Consumer Electronics: Including devices that require accurate motion control, like robotic vacuum cleaners and digital cameras.
• Industrial Automation: For applications like CNC machines, conveyor systems, and other automated machinery that rely on stepper motors for precise motion.
• Medical Devices: Where precise control and reliability are paramount, such as in diagnostic equipment and robotic surgical tools.

Conclusion of A5977GLPTR-T

The A5977GLPTR-T from Allegro MicroSystems stands out as a reliable and efficient bipolar stepper motor driver. Its combination of high current capability, flexible step resolution, and wide voltage range makes it a versatile solution for various applications. The use of DMOS technology ensures high efficiency and low power loss, while its compliance with environmental and regulatory standards ensures it meets modern manufacturing requirements. Whether for office automation, consumer electronics, industrial automation, or medical devices, the A5977GLPTR-T offers a robust and precise motor control solution that can enhance the performance and reliability of any system.

A5977GLPTR-T Documents

Download datasheets and manufacturer documentation for A5977GLPTR-T