The TB6551FAG(C8OEL,HZ) is a PWM chopper-type stepping motor driver manufactured by Toshiba Semiconductor and Storage. This driver is designed to control two-phase bipolar stepping motors. It integrates various functions, including PWM current control, enabling precise and efficient control of stepping motors. It offers a compact design and high reliability, making it suitable for a range of applications.

Applications

• Office automation equipment: Printers, scanners, and copiers.
• Industrial equipment: CNC machines, robotics, and automated assembly lines.
• Gaming machines: Slot machines and arcade games.
• Surveillance systems: PTZ (pan-tilt-zoom) cameras.
• Medical equipment: Infusion pumps and laboratory automation systems.

Features

• PWM current control: Enables precise control of motor current, minimizing noise and vibration.
• Chopper-type driver: Provides efficient power conversion and reduces heat dissipation.
• Built-in protection circuits: Includes overcurrent, overvoltage, and thermal shutdown protection.
• Micro-stepping support: Allows for finer resolution and smoother motor operation.
• Compact package: Small footprint for easy integration into compact devices.
• Wide operating voltage range: Operates from a wide range of supply voltages.

Benefits

• Precise motor control: PWM current control ensures accurate positioning and smooth operation.
• High efficiency: Chopper-type driver minimizes power losses and reduces heat generation.
• Enhanced reliability: Built-in protection circuits prevent damage from overcurrent, overvoltage, and overheating.
• Reduced noise and vibration: Micro-stepping support minimizes noise and vibration during motor operation.
• Simplified design: Integrated functions simplify the design of stepping motor control systems.

Additional Details

The TB6551FAG(C8OEL,HZ) uses a constant current PWM control to drive the stepping motor. The driver includes features to select various microstepping modes. This allows for precise control of the motor’s movement. Additionally, the built-in protection features include overcurrent detection, thermal shutdown, and undervoltage lockout. These features protect the driver and the motor from damage due to abnormal conditions. Specific details on operating voltage, current limits, and protection thresholds can be found in the datasheet. It is critical to refer to the datasheet for proper implementation and thermal management guidelines.