A3982SLBTR-T

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A3982SLBTR-T

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IC MTR DRV BIPOLAR 3-5.5V 24SOIC

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Spezifikationen

Attribut Wert
PartStatus Active
MotorType-Stepper Bipolar
Function Driver - Fully Integrated, Control and Power Stage
OutputConfiguration Half Bridge (4)
Interface Logic
Technology DMOS
StepResolution 1, 1/2
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-SOIC (0.295", 7.50mm Width)
SupplierDevicePackage 24-SOIC
BaseProductNumber A3982

Übersicht

Description

The A3982SLBTR-T is a high-performance dual H-bridge driver designed for driving bipolar stepper motors and other inductive loads. It is widely used in applications such as 3D printers, CNC machines, and robotics due to its efficiency and compact design. This integrated circuit (IC) operates from a supply voltage range of 8V to 35V and can handle output currents up to 2A per channel.
Key features include built-in current sensing, adjustable decay modes, and microstepping capabilities, which allow for smoother and more precise motor control. The A3982SLBTR-T includes thermal shut-down and overcurrent protection to enhance reliability and prevent damage under fault conditions.
Its small footprint and ease of integration make it suitable for various embedded applications. The device is available in a 28-pin TSSOP package, making it efficient for space-constrained designs. Overall, the A3982SLBTR-T is an effective solution for precise motor control in a compact package.

Equivalent

The A3982SLBTR-T is a bipolar stepper motor driver. Equivalent products include the DRV8825 from Texas Instruments, the TB6600 from Toshiba, and the L298N from STMicroelectronics. These alternatives offer similar functionalities, but it's essential to check specifications like voltage, current ratings, and control methods to ensure compatibility with your application.

Features

The A3982SLBTR-T is a dual H-bridge motor driver integrated circuit (IC) designed for driving bipolar stepper motors and DC motors. Key features include:
1. Dual H-Bridge Configuration: Allows control of two motors or one bipolar stepper motor.
2. Current Control: Supports adjustable current limiting with a sense resistor.
3. Microstepping Capability: Enables smooth operation of stepper motors through microstepping.
4. Built-in Protection: Features over-temperature and over-current protection to enhance reliability.
5. Logic Level Compatibility: Accepts standard logic level input signals, simplifying integration with microcontrollers.
6. PWM Control: Supports pulse-width modulation for efficient motor speed control.
7. Easy to Use: Compact surface-mount package facilitates PCB design and assembly.
8. High Efficiency: Designed to operate with minimal heat generation, improving overall system performance.
This makes the A3982SLBTR-T suitable for applications in robotics, automation, and other motor control scenarios.

Pinout

The A3982SLBTR-T is a high-performance microstepping motor driver designed for controlling bipolar stepper motors. It comes in a 32-pin QFN (Quad Flat No-lead) package.
Pin Count: 32 pins
Key Functions:
- Power Supply Pins: VDD and GND for power input and ground connection.
- Motor Control Pins: Inputs for step, direction, and enable signals to control motor operation.
- Current Control: Pins like ISET to set the output current level for the motor.
- Microstepping Control: Additional pins for configuring microstepping settings.
- Fault Reporting: Pins for fault detection, indicating issues like overcurrent or thermal shutdown.
- Thermal Management: Includes functionality for PWM control of the output stage to manage heat.
This driver is widely used in applications requiring precise motor control, such as 3D printers and robotics.

Manufacturer

The A3982SLBTR-T is manufactured by Allegro Microsystems, Inc. Allegro is a technology company that specializes in developing and manufacturing high-performance semiconductor solutions. Founded in 1990 and headquartered in Worcester, Massachusetts, Allegro focuses primarily on providing integrated circuits and sensors for various applications, including automotive, industrial, and consumer electronics.
Their product portfolio includes motor drivers, power management ICs, and magnetic sensor solutions. Allegro is known for its commitment to innovation, quality, and reliability, serving a diverse range of markets with advanced technologies that optimize performance and efficiency. The A3982SLBTR-T specifically is a microstepping motor driver, designed for controlling stepper motors in applications where precise movement and control are essential.

Application

The A3982SLBTR-T is a dual H-bridge motor driver IC designed for driving bipolar stepper motors and DC motors. Its application areas include:
1. 3D Printers: For precise motor control in printing mechanisms.
2. Robotics: To drive motors in robotic arms and mobile robots.
3. Automated Guided Vehicles (AGVs): For movement and navigation.
4. CNC Machines: To control motor movements for cutting and milling.
5. Industrial Automation: In conveyor belts and assembly lines.
Its features include current sensing and adjustable current control, making it suitable for various motion control applications.

Package

The A3982SLBTR-T is packaged in a 28-lead TSSOP (Thin Shrink Small Outline Package) format. This package type is designed for surface mounting and offers a compact footprint suitable for various applications.

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