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A4975SB-T

Allegro Microsystems A4975SB-T, Stepper Motor Driver IC, 50 V 1.5A 16-Pin, PDIP

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Overview of A4975SB-T

The A4975SB-T is a microstepping motor driver IC designed for precise control of stepper motors in various motion control applications. It features a high current output capability, built-in translator for easy interfacing, and microstepping operation for smooth motor movements.

Pinout

(Note:The pin configuration below is a general representation.Refer to the specific datasheet for precise details.)

    Circuit Diagram

    Include a circuit diagram illustrating the connections and operation of the A4975SB-T IC for a visual representation.

    Key Features

    • High Current Output: The A4975SB-T can drive stepper motors with high current requirements, making it suitable for industrial applications.
    • Built-in Translator: The integrated translator simplifies the control interface, allowing for easy integration with microcontrollers or control systems.
    • Microstepping Operation: Enables smooth and precise motion control by dividing a full step into smaller microsteps for improved motor performance.
    • Overcurrent Protection: Includes overcurrent protection to safeguard the IC and connected components from excessive current draw.
    • Thermal Shutdown: Features thermal shutdown protection to prevent overheating and ensure reliable operation.

    Note:For detailed technical specifications, please refer to the A4975SB-T datasheet.

    Application

    • Robotics: Ideal for driving stepper motors in robotic systems for precise motion control.
    • CNC Machines: Suitable for use in CNC machines and 3D printers to control the movement of stepper motor-driven axes.
    • Automated Systems: Used in automated equipment and machinery for accurate positioning and motion control tasks.

    Functionality

    The A4975SB-T is a versatile microstepping motor driver that enables accurate and smooth control of stepper motors in various applications. Its advanced features make it a reliable choice for precise motion control requirements.

    Usage Guide

    • Power Supply: Connect the motor power supply voltage and ground appropriately to +Vs and GND pins.
    • Microstep Selection: Set the desired microstep resolution using the MS1 and MS2 pins for optimal motor performance.
    • Enable Control: Use the IEN pin to enable or disable the motor driver as needed.

    Frequently Asked Questions

    Q:Can the A4975SB-T drive high-current stepper motors?
    A:Yes, the A4975SB-T is capable of driving stepper motors with high current requirements, providing precise control.

    Q:Does the A4975SB-T feature overcurrent protection?
    A:Yes, the A4975SB-T includes overcurrent protection to prevent damage due to excessive current levels.

    Equivalent

    For similar functionalities, consider these alternatives to the A4975SB-T:

    • TMC2208: This is a popular stepper motor driver IC known for its silent operation and advanced features for smooth motion control.
    • DRV8825: A versatile stepper motor driver IC with adjustable current control and step resolution for precise motor control.
    • L6470: An integrated motor controller and driver IC offering advanced motion control features for stepper motor applications.

    Specifications

    The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

    ECCN (US) EAR99 Part Status Obsolete
    HTS 8542.39.00.01 Automotive No
    PPAP No Type Motor Driver
    Motor Type Stepper Motor Minimum Operating Supply Voltage (V) 5
    Maximum Operating Supply Voltage (V) 50 Maximum Operating Current (mA) 2.7(Typ)
    Minimum Operating Temperature (°C) -20 Maximum Operating Temperature (°C) 85
    Packaging Tube Mounting Through Hole
    Package Height 3.3 Package Width 6.35
    Package Length 19.05 PCB changed 16
    Standard Package Name DIP Supplier Package PDIP
    Pin Count 16 Lead Shape Through Hole

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