Allegro MicroSystems

A3966SLBTR  

Motor Drivers, Controllers

A3966SLBTR Description

The A3966SLBTR is a high-performance, bipolar stepper motor driver IC designed by Allegro MicroSystems. This device is tailored for general-purpose applications requiring precise control and efficient power management. The A3966SLBTR features a half-bridge output configuration capable of delivering up to 650mA of current, making it suitable for driving bipolar stepper motors with voltages ranging from 4.75V to 30V. The supply voltage for the IC operates within a range of 4.75V to 5.5V, ensuring compatibility with a wide array of power sources.

The A3966SLBTR is housed in a surface-mount 16SOIC package, which is ideal for compact and space-constrained designs. The device is REACH unaffected and has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to standard manufacturing environments. The parallel interface allows for seamless integration with microcontrollers and other digital systems, facilitating straightforward control and communication.

A3966SLBTR Features

• Output Current Capability: The A3966SLBTR can deliver up to 650mA of output current, ensuring robust performance for stepper motor applications.
• Half-Bridge Configuration: The half-bridge output configuration provides efficient power delivery and control, making it ideal for bipolar stepper motors.
• Wide Operating Voltage Range: With a supply voltage range of 4.75V to 5.5V and a load voltage range of 4.75V to 30V, the A3966SLBTR offers flexibility in power supply options.
• Surface-Mount Packaging: The 16SOIC package is optimized for surface-mount technology, enabling compact and reliable designs.
• Parallel Interface: The parallel interface simplifies integration with digital systems, allowing for easy control and monitoring of the motor.
• Moisture Sensitivity Level 1: The MSL rating of 1 ensures that the device can withstand standard manufacturing processes without degradation.
• REACH Compliance: The A3966SLBTR is REACH unaffected, ensuring compliance with environmental and health regulations.

A3966SLBTR Applications

The A3966SLBTR is well-suited for a variety of general-purpose applications that require precise control of bipolar stepper motors. Some specific use cases include:

• Office Automation: Ideal for driving stepper motors in devices such as printers, scanners, and copiers, where precise positioning and control are essential.
• Consumer Electronics: Suitable for applications in consumer electronics that require compact and efficient motor control, such as robotic vacuum cleaners and small appliances.
• Industrial Automation: Useful in industrial settings for controlling stepper motors in machinery and equipment, ensuring accurate and reliable operation.
• Medical Devices: Can be employed in medical equipment that requires precise motor control, such as laboratory instruments and diagnostic devices.

Conclusion of A3966SLBTR

The A3966SLBTR from Allegro MicroSystems is a versatile and reliable bipolar stepper motor driver IC. Its combination of high output current, wide operating voltage range, and efficient half-bridge configuration makes it an excellent choice for a variety of applications. The surface-mount 16SOIC package and parallel interface further enhance its suitability for compact and integrated designs. While the product is now obsolete, its legacy continues to influence the design of modern power management solutions. For those seeking a robust and efficient motor driver, the A3966SLBTR remains a benchmark in performance and reliability.

A3966SLBTR Documents

Download datasheets and manufacturer documentation for A3966SLBTR