A4982SLPTR-T

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A4982SLPTR-T

+BOM

IC MTR DRV BIPOLR 3-5.5V 24TSSOP

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Specifications

Attribute Value
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 2A
Voltage-Supply 3V ~ 5.5V
Voltage-Load 8V ~ 35V
OperatingTemperature -20°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 24-TSSOP (0.173, 4.40mm Width) Exposed Pad

Overview

Description

The A4982SLPTR-T is a microstepping motor driver designed by Allegro Microsystems. It is engineered to control bipolar stepper motors and offers up to 32 microsteps per step for precise motion control. The device operates within a voltage range of 8V to 35V and can deliver an output current of up to 2A per phase, making it suitable for various applications requiring precise motor control such as 3D printers, CNC machines, and other automated equipment.
Key features of the A4982SLPTR-T include a built-in translator for easy interface, adjustable current control to optimize performance and reduce power consumption, and comprehensive protection features like overcurrent and thermal shutdown to ensure durability and reliability. The driver also supports step and direction inputs, simplifying the design process and reducing the need for complex microcontroller programming. The A4982SLPTR-T is available in a compact TSSOP package with an exposed thermal pad for efficient heat dissipation, making it suitable for space-constrained applications.

Equivalent

Equivalent products for the A4982SLPTR-T stepper motor driver chip include the DRV8825 from Texas Instruments, the TB67S109AFTG from Toshiba, and the LV8729 from ON Semiconductor. These alternatives offer similar functionalities for driving bipolar stepper motors with microstepping capabilities. Always check the datasheets and specifications to ensure compatibility with your specific application.

Features

The A4982SLPTR-T is a microstepping motor driver designed for applications requiring precise control of stepper motors. Key features include:
1. Microstepping: It supports full, half, quarter, and eighth-step modes, allowing for smooth and precise motor control.
2. Current Control: The device includes a fixed off-time current regulator which allows for adjustable current decay modes, optimizing performance.
3. Protection Features: It offers overcurrent protection, thermal shutdown circuitry, and under-voltage lockout, enhancing reliability and safety.
4. Adjustable Output: The current output can be easily adjusted to suit the requirements of different motors.
5. Low RDS(on): It features low on-resistance for lower power dissipation and increased efficiency.
6. Compact Package: The device is available in a small surface-mount package, making it suitable for compact designs.
These features make the A4982SLPTR-T ideal for driving stepper motors in various applications, such as 3D printers, robotics, and automation systems.

Pinout

The A4982SLPTR-T is a microstepping motor driver IC produced by Allegro Microsystems. It is designed for driving bipolar stepper motors and is commonly used in applications such as 3D printers, robotics, and CNC machines.
The A4982 is housed in a 28-pin TSSOP (Thin Shrink Small Outline Package) with an exposed thermal pad for better heat dissipation. It offers microstepping up to 16 microsteps per full step and includes features like current regulation, overcurrent protection, thermal shutdown, and crossover-current protection.
The primary function of the A4982 is to control the rate and direction of current flow through the windings of a stepper motor, thus enabling precise movement and positioning. It achieves this through a built-in translator for easy operation, which simplifies the interface with the controlling microcontroller or processor.

Manufacturer

The A4982SLPTR-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in the development and production of high-performance power and sensing semiconductors. They serve a variety of markets, including automotive, industrial, and consumer electronics. The company is known for its innovative solutions in motor driver ICs, magnetic sensors, and power management devices.

Application

The A4982SLPTR-T is a microstepping motor driver designed for precision control of bipolar stepper motors. It is widely used in applications requiring precise motion control, such as 3D printers, CNC machines, and robotics. It supports both full-step and microstepping modes, making it suitable for applications needing smooth and accurate positioning. The driver is also used in industrial automation equipment, medical devices, and surveillance cameras, where reliable and efficient motor control is crucial. Its built-in translator simplifies the implementation of complex motor control algorithms, making it ideal for applications needing ease of integration and consistent performance.

Package

The A4982SLPTR-T is a microstepping motor driver from Allegro MicroSystems and comes in a TSSOP (Thin Shrink Small Outline Package) with exposed pad for enhanced thermal performance.

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