Allegro MicroSystems

A3988SJPTR-1-T  

Motor Drivers, Controllers

A3988SJPTR-1-T Description

The A3988SJPTR-1-T is a high-performance, bipolar stepper motor driver IC designed for general-purpose applications. Manufactured by Allegro MicroSystems, this device is part of the Power Management (PMIC) category and is housed in a 48-lead LQFP package. The A3988SJPTR-1-T is optimized for driving bipolar stepper motors and brushed DC motors with a supply voltage range of 3V to 5.5V. It features a half-bridge output configuration with a maximum output current of 1.2A, making it suitable for a wide range of motor control applications.

A3988SJPTR-1-T Features

• Output Current Capability: The A3988SJPTR-1-T can deliver up to 1.2A of output current, ensuring robust performance in demanding motor applications.
• Half-Bridge Configuration: The half-bridge output configuration allows for efficient control of bipolar stepper motors, providing flexibility in motor control schemes.
• Step Resolution: This IC supports step resolutions of 1, 1/2, and 1/4, enabling precise control over motor movement and positioning.
• Wide Supply Voltage Range: With a supply voltage range of 3V to 5.5V, the A3988SJPTR-1-T is compatible with various power supply configurations, enhancing its versatility.
• Load Voltage Compatibility: The device can handle load voltages from 8V to 36V, making it suitable for a broad range of motor types and applications.
• DMOS Technology: Utilizing DMOS technology, the A3988SJPTR-1-T offers high efficiency and low power consumption, crucial for energy-sensitive applications.
• Parallel Interface: The parallel interface simplifies communication and control, reducing the complexity of the overall system design.
• Surface Mount Packaging: The surface mount package type ensures ease of integration into modern PCB designs, facilitating compact and reliable motor control solutions.
• Compliance and Standards: The A3988SJPTR-1-T is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.
• Moisture Sensitivity Level: With an MSL rating of 2 (1 Year), the device is well-suited for storage and handling in typical industrial environments.

A3988SJPTR-1-T Applications

The A3988SJPTR-1-T is ideal for a variety of general-purpose applications requiring precise motor control. Its compatibility with both bipolar stepper motors and brushed DC motors makes it a versatile choice for:

• Industrial Automation: Driving stepper motors in CNC machines, robotic arms, and other automated equipment.
• Consumer Electronics: Controlling motors in printers, scanners, and other devices requiring precise positioning.
• Medical Equipment: Operating motors in medical imaging devices and laboratory automation systems.
• Office Automation: Managing motors in copiers, fax machines, and other office equipment.

Conclusion of A3988SJPTR-1-T

The A3988SJPTR-1-T from Allegro MicroSystems is a comprehensive solution for driving bipolar stepper and brushed DC motors. Its robust features, including high output current, versatile step resolution, and wide voltage compatibility, make it a reliable choice for a wide range of applications. The device's compliance with industry standards and its surface mount packaging further enhance its appeal for modern electronics designs. While the A3988SJPTR-1-T is not recommended for new designs, it remains a valuable component for existing systems requiring reliable motor control.

A3988SJPTR-1-T Documents

Download datasheets and manufacturer documentation for A3988SJPTR-1-T