規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| MotorType-Stepper | Bipolar |
| MotorType-ACDC | Brushed DC |
| Function | Driver - Fully Integrated, Control and Power Stage |
| OutputConfiguration | Half Bridge (2) |
| Interface | Parallel |
| Technology | Power MOSFET |
| Applications | General Purpose |
| Current-Output | 1.5A |
| Voltage-Supply | 3V ~ 5.5V |
| Voltage-Load | 5V ~ 50V |
| OperatingTemperature | -20°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-PowerSOIC (0.295, 7.50mm Width) |
概述
Description
The A4973SLBTR-T is a motor driver IC designed by Allegro Microsystems. It is specifically engineered for controlling bipolar stepper motors and is commonly used in applications requiring precise motion control, such as 3D printers, robotics, and CNC machines. The device provides a complete solution with built-in translation logic, which simplifies the interface to a microcontroller by converting step and direction inputs into phase drive signals.
Key features of the A4973SLBTR-T include adjustable current control through a reference voltage, reducing power consumption and heat generation. It also supports microstepping to enhance stepper motor precision and smoothness. The IC operates over a wide voltage range and includes protection features such as thermal shutdown and under-voltage lockout to ensure reliable performance.
Packaged in a compact form factor, the A4973SLBTR-T is suitable for applications with limited space. Its reliability and ease of integration make it a popular choice for designers working with stepper motors in various industries.
Key features of the A4973SLBTR-T include adjustable current control through a reference voltage, reducing power consumption and heat generation. It also supports microstepping to enhance stepper motor precision and smoothness. The IC operates over a wide voltage range and includes protection features such as thermal shutdown and under-voltage lockout to ensure reliable performance.
Packaged in a compact form factor, the A4973SLBTR-T is suitable for applications with limited space. Its reliability and ease of integration make it a popular choice for designers working with stepper motors in various industries.
Equivalent
The A4973SLBTR-T is a full-bridge motor driver IC from Allegro Microsystems. Equivalent products may include:
1. L298N from STMicroelectronics - Dual Full-Bridge Driver.
2. TB6612FNG from Toshiba - Dual Motor Driver IC.
3. DRV8833 from Texas Instruments - Dual H-Bridge Motor Driver.
4. MC33887 from NXP - H-Bridge Driver IC.
Compatibility depends on your specific requirements such as voltage, current ratings, and additional features, so ensure to compare these aspects when selecting alternatives.
1. L298N from STMicroelectronics - Dual Full-Bridge Driver.
2. TB6612FNG from Toshiba - Dual Motor Driver IC.
3. DRV8833 from Texas Instruments - Dual H-Bridge Motor Driver.
4. MC33887 from NXP - H-Bridge Driver IC.
Compatibility depends on your specific requirements such as voltage, current ratings, and additional features, so ensure to compare these aspects when selecting alternatives.
Features
The A4973SLBTR-T is a motor driver IC designed for driving bipolar stepper motors and DC motors. Key features include:
1. Microstepping Control: Supports microstepping for smooth and precise motor control.
2. Current Control: Features adjustable current control to match specific motor requirements, enhancing efficiency and performance.
3. Built-in Protection: Includes thermal shutdown, under-voltage lockout, and crossover-current protection for reliable operation.
4. Voltage Range: Operates within a wide voltage range, making it versatile for various applications.
5. Output Drivers: Has H-bridge output drivers capable of handling significant current loads.
6. Package Type: Comes in a compact surface-mount package suitable for space-constrained designs.
7. PWM Control: Supports Pulse Width Modulation (PWM) for precise speed and torque control.
8. Low RDS(on): Features low on-resistance for efficient power delivery and reduced heat generation.
9. Easy Integration: Designed for easy integration into motor control systems with minimal external components.
This combination of features makes the A4973SLBTR-T suitable for applications requiring precise motor control, such as robotics, automation, and CNC machinery.
1. Microstepping Control: Supports microstepping for smooth and precise motor control.
2. Current Control: Features adjustable current control to match specific motor requirements, enhancing efficiency and performance.
3. Built-in Protection: Includes thermal shutdown, under-voltage lockout, and crossover-current protection for reliable operation.
4. Voltage Range: Operates within a wide voltage range, making it versatile for various applications.
5. Output Drivers: Has H-bridge output drivers capable of handling significant current loads.
6. Package Type: Comes in a compact surface-mount package suitable for space-constrained designs.
7. PWM Control: Supports Pulse Width Modulation (PWM) for precise speed and torque control.
8. Low RDS(on): Features low on-resistance for efficient power delivery and reduced heat generation.
9. Easy Integration: Designed for easy integration into motor control systems with minimal external components.
This combination of features makes the A4973SLBTR-T suitable for applications requiring precise motor control, such as robotics, automation, and CNC machinery.
Pinout
The A4973SLBTR-T is a motor driver IC from Allegro Microsystems, designed to control DC motors. It is typically available in a 24-pin SOIC (Small Outline Integrated Circuit) package. The main functions of the A4973SLBTR-T include driving and controlling the speed and direction of DC motors.
Key features of the IC involve an H-bridge configuration, which allows for bidirectional control of a single motor. It also includes features like current sensing, protection against overcurrent, and thermal shutdown to ensure safe and reliable operation. The IC supports PWM (Pulse Width Modulation) control for speed regulation and can handle continuous currents up to a certain limit specified in the datasheet.
For detailed pin configuration, electrical specifications, and specific application circuits, it is best to refer to the device's official datasheet provided by Allegro Microsystems.
Key features of the IC involve an H-bridge configuration, which allows for bidirectional control of a single motor. It also includes features like current sensing, protection against overcurrent, and thermal shutdown to ensure safe and reliable operation. The IC supports PWM (Pulse Width Modulation) control for speed regulation and can handle continuous currents up to a certain limit specified in the datasheet.
For detailed pin configuration, electrical specifications, and specific application circuits, it is best to refer to the device's official datasheet provided by Allegro Microsystems.
Manufacturer
The A4973SLBTR-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in designing and manufacturing high-performance power and sensing semiconductor products. They focus on providing innovative solutions for motion control and energy-efficient systems in a variety of applications including automotive, industrial, and consumer markets. Allegro is known for its expertise in magnetic sensor integrated circuits and power integrated circuits, particularly for applications that require precise control and efficiency.
Application
The A4973SLBTR-T is a microstepping motor driver IC, commonly used in applications requiring precise control of stepper motors. Key application areas include:
1. 3D Printers: For controlling the precise movement of print heads.
2. CNC Machines: To manage the accurate positioning of tools.
3. Robotics: Used in robotic arms for precise movement and positioning.
4. Automated Machinery: For industrial automation requiring accurate motor control.
5. Surveillance Cameras: To control pan/tilt mechanisms.
6. Medical Devices: Such as automated syringe pumps requiring precise control.
Its ability to handle microstepping allows for smooth motion and fine control in these applications.
1. 3D Printers: For controlling the precise movement of print heads.
2. CNC Machines: To manage the accurate positioning of tools.
3. Robotics: Used in robotic arms for precise movement and positioning.
4. Automated Machinery: For industrial automation requiring accurate motor control.
5. Surveillance Cameras: To control pan/tilt mechanisms.
6. Medical Devices: Such as automated syringe pumps requiring precise control.
Its ability to handle microstepping allows for smooth motion and fine control in these applications.
Package
The A4973SLBTR-T is a motor driver IC packaged in an SOIC (Small Outline Integrated Circuit) form. Specifically, it comes in a 16-pin SOIC package, which is designed for surface-mount technology on printed circuit boards.
