Allegro MicroSystems

A3988SJPTR-T  

Motor Drivers, Controllers

A3988SJPTR-T Description

The A3988SJPTR-T is a high-performance, bipolar stepper motor driver IC designed for general-purpose applications. Manufactured by Allegro MicroSystems, this device offers a robust solution for driving brushed DC and bipolar stepper motors with a supply voltage range of 3V to 5.5V and a load voltage range of 8V to 36V. The A3988SJPTR-T features a half-bridge output configuration with a maximum output current of 1.2A, making it suitable for a variety of motor control applications. The device is packaged in a48LQFP format and is available in tape and reel (TR) packaging, ensuring ease of integration into surface-mount designs.

A3988SJPTR-T Features

The A3988SJPTR-T boasts several key features that set it apart from similar motor driver ICs:

• High Current Capability: With a maximum output current of 1.2A, the A3988SJPTR-T can drive motors with significant torque, making it ideal for applications requiring robust motor control.
• Flexible Step Resolution: The device supports step resolutions of 1, 1/2, and 1/4, providing precise control over motor movement and enabling smooth, accurate positioning.
• Wide Voltage Range: The A3988SJPTR-T operates within a supply voltage range of 3V to 5.5V and can handle load voltages from 8V to 36V, offering flexibility in power supply options and compatibility with various motor types.
• DMOS Technology: Utilizing DMOS technology, the A3988SJPTR-T ensures high efficiency and low power loss, contributing to overall system performance and.
  reliability- Parallel Interface: The parallel interface allows for straightforward communication with microcontrollers and other control systems, simplifying integration into existing designs.
• Compliance and Reliability: The A3988SJPTR-T is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. Additionally, it has a moisture sensitivity level (MSL) of 2 (1 year), making it suitable for a wide range of manufacturing environments.

A3988SJPTR-T Applications

The A3988SJPTR-T is well-suited for a variety of general-purpose applications, particularly those requiring precise control of bipolar stepper motors and brushed DC motors. Some specific use cases include:

• Industrial Automation: The A3988SJPTR-T can drive motors in robotic arms, conveyor systems, and other automated machinery, providing precise control and high reliability.
• Office Equipment: In printers, scanners, and copiers, the A3988SJPTR-T can control stepper motors for accurate paper handling and print head positioning.
• Consumer Electronics: The device can be used in consumer products such as cameras, where precise motor control is needed for lens focusing and aperture adjustment.
• Medical Devices: The A3988SJPTR-T can drive motors in medical equipment like infusion pumps and diagnostic machines, ensuring precise and reliable operation.

Conclusion of A3988SJPTR-T

The A3988SJPTR-T is a versatile and high-performance motor driver IC that offers significant advantages over similar models. Its high current capability, flexible step resolution, and wide voltage range make it suitable for a variety of applications, from industrial automation to consumer electronics. The device's DMOS technology ensures high efficiency and low power loss, while its compliance with environmental and safety standards ensures reliability and ease of integration. Although the A3988SJPTR-T is not recommended for new designs, it remains a reliable choice for existing systems and applications requiring robust motor control solutions.

A3988SJPTR-T Documents

Download datasheets and manufacturer documentation for A3988SJPTR-T

Datasheets :

A3988      

PCN Packaging :

Tape Change 27/Jan/2023      

HTML Datasheet :

A3988