A4983SETTR-T

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A4983SETTR-T

+BOM

IC MTR DRV BIPOLAR 3V-5.5V 28QFN

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
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, 1/8, 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 28-VFQFN Exposed Pad

Overview

Description

The A4983SETTR-T is a microstepping motor driver designed by Allegro MicroSystems. It is used to control bipolar stepper motors in applications such as 3D printers, CNC machines, and robotic systems. The chip integrates a translator for easy operation, allowing the user to control the motor with simple step and direction inputs. It supports microstepping resolutions up to 16 microsteps per step, providing smooth motion and precise positioning.
The A4983SETTR-T operates over a wide voltage range, typically from 8V to 35V, and can handle output currents up to 2A per coil with proper heat management. It features overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliable performance.
For ease of use, it utilizes a simple step/direction interface, making it straightforward to integrate into various systems. The device is packaged in a compact TSSOP, making it suitable for space-constrained applications. Overall, the A4983SETTR-T is a versatile and efficient solution for driving stepper motors in a wide range of applications.

Equivalent

The A4983SETTR-T is a microstepping motor driver from Allegro Microsystems. Equivalent products include the TI DRV8825, which is also a stepper motor driver supporting microstepping. Both chips offer similar functionalities, like adjustable current control and overcurrent protection. Another alternative is the Pololu A4988, which is based on the same A4983 architecture. When selecting a replacement, verify pin compatibility and electrical specifications to ensure seamless integration.

Features

The A4983SETTR-T is a microstepping motor driver from Allegro Microsystems. It is designed to drive bipolar stepper motors in full, half, quarter, and eighth-step modes, offering versatile motion control. Key features include:
1. Microstepping Control: It allows precise control with up to 1/8 microstepping, enhancing smoothness and accuracy in motor movements.

2. Output Drive Capacity: It can deliver up to 35V and ±2A output capacity, suitable for a range of medium-power applications.
3. Built-in Translator: Simplifies the implementation by reducing the number of control signals required to interface with the motor.
4. Protection Features: Includes overcurrent protection, thermal shutdown, and under-voltage lockout to ensure operational safety and reliability.
5. Adjustable Current Control: Features adjustable current control, allowing users to set the desired current output for optimal performance.
6. Compact Package: Housed in a small surface-mount package, making it suitable for space-constrained applications.
These features make the A4983SETTR-T ideal for applications requiring precise and efficient motor control, such as 3D printers, CNC machines, and robotics.

Manufacturer

The A4983SETTR-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in developing and manufacturing high-performance power and sensing semiconductors. They provide solutions for various sectors, including the automotive, industrial, and consumer markets. Allegro is known for its innovative solutions that integrate motor driver ICs, magnetic sensors, and power management technologies. Their products are widely used in applications such as automotive safety systems, industrial automation, and consumer electronics.

Application

The A4983SETTR-T is a microstepping motor driver IC used primarily in precision motor control applications. It is commonly employed in 3D printers, CNC machines, and other robotics applications where precise motor control is essential. The IC is capable of driving bipolar stepper motors in full, half, quarter, eighth, and sixteenth-step modes, making it ideal for applications requiring fine resolution and smooth motion. It is also used in automated instrumentation and industrial equipment that require accurate motion control. Its compact size and efficient power management make it suitable for embedded applications where space and power efficiency are critical.

Package

The A4983SETTR-T is a stepper motor driver IC from Allegro Microsystems. It typically comes in a 24-lead SOIC (Small Outline Integrated Circuit) package with an exposed thermal pad, often denoted as eSOIC, which enhances heat dissipation.

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