規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| MotorType-Stepper | Bipolar |
| Function | Driver - Fully Integrated, Control and Power Stage |
| OutputConfiguration | Half Bridge (4) |
| Interface | Logic |
| Technology | DMOS |
| StepResolution | 1, 1/2, 1/4, 1/16 |
| Applications | General Purpose |
| Current-Output | 1.5A |
| Voltage-Supply | 3V ~ 5.5V |
| Voltage-Load | 8V ~ 50V |
| OperatingTemperature | -20°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 24-TSSOP (0.173, 4.40mm Width) Exposed Pad |
概述
Description
The A3987SLPTR-T is a microstepping motor driver IC designed by Allegro MicroSystems. It is specifically engineered to control bipolar stepper motors and is commonly used in precision motor control applications. This IC features a built-in translator for easy operation, which simplifies the process of driving stepper motors by converting step and direction inputs into motor phases.
The A3987SLPTR-T supports microstepping, allowing for smooth and precise control over motor movements, which is crucial in applications requiring high-resolution positioning. It offers a wide operating voltage range, typically from 8V to 35V, and can deliver up to 2.5A of output current per phase, making it suitable for a variety of motor sizes and types.
Additional features include overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing the reliability and safety of the system. This IC is often utilized in applications such as 3D printers, CNC machines, and other automated equipment where precise motor control is essential.
The A3987SLPTR-T supports microstepping, allowing for smooth and precise control over motor movements, which is crucial in applications requiring high-resolution positioning. It offers a wide operating voltage range, typically from 8V to 35V, and can deliver up to 2.5A of output current per phase, making it suitable for a variety of motor sizes and types.
Additional features include overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing the reliability and safety of the system. This IC is often utilized in applications such as 3D printers, CNC machines, and other automated equipment where precise motor control is essential.
Equivalent
The A3987SLPTR-T is a microstepping motor driver IC from Allegro MicroSystems. Equivalent products could include:
1. DRV8825 from Texas Instruments
2. STSPIN220 from STMicroelectronics
3. TB67S249FTG from Toshiba
4. LV8729 from ON Semiconductor
These alternatives offer similar functionalities for driving stepper motors, but it is important to compare specific features and electrical characteristics to ensure compatibility with your application.
1. DRV8825 from Texas Instruments
2. STSPIN220 from STMicroelectronics
3. TB67S249FTG from Toshiba
4. LV8729 from ON Semiconductor
These alternatives offer similar functionalities for driving stepper motors, but it is important to compare specific features and electrical characteristics to ensure compatibility with your application.
Features
The A3987SLPTR-T is a microstepping driver designed for bipolar stepper motors. Key features include:
1. Microstepping Capability: It supports microstepping, allowing for finer control over motor movements, enhancing precision and smoothness.
2. Low RDS(ON): The device features low on-resistance DMOS outputs, contributing to efficient motor driving.
3. Synchronous Rectification: This reduces power dissipation, improving performance and reliability.
4. Current Control: It provides adjustable current control, allowing for optimized motor operation and reduced power consumption.
5. Protection Features: The driver includes protection against overcurrent, thermal overload, and undervoltage, ensuring robust operation in various conditions.
6. PWM Control: Pulse-width modulation (PWM) control is integrated for precise speed and torque regulation.
7. Compact Package: The device comes in a compact SOIC package, suitable for space-constrained applications.
These features make the A3987SLPTR-T suitable for applications requiring precise motor control and efficient power management in a compact form factor.
1. Microstepping Capability: It supports microstepping, allowing for finer control over motor movements, enhancing precision and smoothness.
2. Low RDS(ON): The device features low on-resistance DMOS outputs, contributing to efficient motor driving.
3. Synchronous Rectification: This reduces power dissipation, improving performance and reliability.
4. Current Control: It provides adjustable current control, allowing for optimized motor operation and reduced power consumption.
5. Protection Features: The driver includes protection against overcurrent, thermal overload, and undervoltage, ensuring robust operation in various conditions.
6. PWM Control: Pulse-width modulation (PWM) control is integrated for precise speed and torque regulation.
7. Compact Package: The device comes in a compact SOIC package, suitable for space-constrained applications.
These features make the A3987SLPTR-T suitable for applications requiring precise motor control and efficient power management in a compact form factor.
Pinout
The A3987SLPTR-T is a microstepping motor driver IC manufactured by Allegro MicroSystems. It typically comes in a 24-pin SOIC (Small Outline Integrated Circuit) package. The device is designed to drive bipolar stepper motors and includes features for microstepping, which allows for finer control of motor movement and reduced vibration.
Key functions of the A3987 include:
1. Microstepping: Provides high-resolution microstepping, allowing up to 16 microsteps per full step.
2. Current Control: Uses PWM (Pulse Width Modulation) current control to manage the power delivered to the motor, minimizing power loss and heating.
3. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to prevent damage to the device and the motor.
4. Control Interface: Typically controlled via a simple step and direction interface, allowing easy integration with microcontrollers.
This IC is commonly used in applications requiring precise motor control, such as 3D printers, CNC machines, and other motion control systems.
Key functions of the A3987 include:
1. Microstepping: Provides high-resolution microstepping, allowing up to 16 microsteps per full step.
2. Current Control: Uses PWM (Pulse Width Modulation) current control to manage the power delivered to the motor, minimizing power loss and heating.
3. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to prevent damage to the device and the motor.
4. Control Interface: Typically controlled via a simple step and direction interface, allowing easy integration with microcontrollers.
This IC is commonly used in applications requiring precise motor control, such as 3D printers, CNC machines, and other motion control systems.
Manufacturer
The A3987SLPTR-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in developing and producing high-performance power and sensing semiconductor solutions. Their products are widely used in various applications, including automotive, industrial, and consumer electronics. Allegro is known for its expertise in magnetic sensors and power integrated circuits, which are crucial components in electric motor control and regulation.
Application
The A3987SLPTR-T is a microstepping motor driver IC designed for bipolar stepper motors. It is commonly used in applications requiring precise motor control, such as 3D printers, CNC machines, robotics, and automated manufacturing equipment. The IC's capability to provide microstepping allows for smoother motion and finer control over motor positioning, making it suitable for applications demanding high precision and low noise operation. Additionally, it can be found in various automated systems and devices that require efficient and reliable motor performance.
Package
The A3987SLPTR-T is a stepper motor driver IC from Allegro MicroSystems, housed in a 28-pin TSSOP (Thin Shrink Small Outline Package) with exposed pad for enhanced thermal performance.
