A3992SLPTR-T

Full Bridge Microstepping Driver
7,384 Effective Inventory

A3992SLPTR-T

Effective Inventory7,384

Full Bridge Microstepping Driver

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A3992SLPTR-T DataSheet
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Details

The A3992SLPTR-T is a motor driver IC designed for controlling and driving the operation of a motor. It is typically used for controlling the motion of a stepper motor, which is a type of motor that moves in discrete steps or increments.

Key Features

  • Stepper Motor Driver: This IC is designed for use with stepper motors and is used to control their motion.
  • Microstepping Support: It may support microstepping, a technique that divides a full step into smaller steps to provide smoother and more precise motor movement.
  • Current Control: Some versions of this IC offer adjustable current control for the motor windings.
  • Protection Features: It may include protection features like thermal shutdown and overcurrent protection.
  • Versatile I/Os: Typically, it has a variety of input and output pins for interfacing with external devices and controllers.

Application

  • 3D Printers: For controlling the movement of print heads and build platforms.
  • CNC Machines: For precise control of tool movement in computer numerical control (CNC) machines.
  • Robotics: In robotics for controlling the motion of robotic arms, legs, or other components.
  • Automated Equipment: In various automated equipment for precise positioning and control.

Specifications

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

Product Name A3992SLPTR-T Product Type ! Motor Driver IC
Manufacturer Allegro Microsystems Motor Type Stepper Motor or DC Motor
Number of Motor Outputs 2 Supply Voltage 5V to 50V
Package Type Surface-Mount SOIC-16 Operating Temperature Range ! -40°C to 85°C

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification A3992SLPTR-T PDF Download

FAQs

What is A3992SLPTR-T?

The A3992SLPTR-T is a microstepping motor driver IC manufactured by Allegro MicroSystems. It is designed to control and drive bipolar stepper motors with microstepping capabilities, making it suitable for precision motion control applications like robotics, automation, and 3D printers.

How Does A3992SLPTR-T Work?

The A3992SLPTR-T operates by converting digital control signals into precise current outputs that drive the stepper motor coils. By implementing microstepping, the driver can achieve smoother and more accurate motor movements compared to traditional full-step or half-step driving methods. The IC incorporates protection features such as thermal shutdown and overcurrent detection for robust motor control operation.

How Many Pins does A3992SLPTR-T have and What are the Functions of the Pinout Configuration?

The A3992SLPTR-T is housed in a 24-pin TSSOP package. The pinout configuration includes:

  • VBB: Bootstrap capacitor boost voltage.
  • VCP: 5 V regulator output for charge pump.
  • GND: Ground connection.
  • 1A, 1, 1Y: Outputs for coil 1 of the stepper motor.
  • 2A, 2, 2Y: Outputs for coil 2 of the stepper motor.
  • IREF: Current reference for motor current regulation.
  • MODE/DECAY: Microstepping mode selection and decay adjust input.
  • CLKIN: Clock input for controlling stepping rate.

What are the Pros and Cons of A3992SLPTR-T?

Pros:

  • Microstepping Capability: Allows for smoother and more precise motor movements.
  • Thermal Shutdown: Built-in protection feature for thermal management.
  • Compact Package: The TSSOP package offers a space-efficient design for compact applications.
  • Overcurrent Protection: Ensures motor and driver safety during operation.
  • Ease of Use: Simple interfacing and control for stepper motor systems.

Cons:

  • Complexity: Implementing microstepping may require additional understanding of motor control principles.
  • External Components: May need external components like capacitors for proper operation.
  • Cost: Higher microstepping resolution drivers can be more expensive.

Are There Any Equivalents/Alternatives to A3992SLPTR-T for Recommendation?

  • Equivalent alternatives to the A3992SLPTR-T include the DRV8825 from Texas Instruments and the TMC2208 from Trinamic.
  • Other alternatives with similar functionality are the A4988 from Allegro MicroSystems and the DRV8801 from Texas Instruments.

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