A4984SETTR-T

Product Overview

Category

A4984SETTR-T belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for motor control applications, specifically for driving bipolar stepper motors.

Characteristics

• Integrated circuit designed for motor control
• Suitable for driving bipolar stepper motors
• Provides precise microstepping control
• Offers adjustable current limiting
• Supports full-step, half-step, quarter-step, eighth-step, and sixteenth-step modes

Package

A4984SETTR-T is available in a surface mount package.

Essence

The essence of A4984SETTR-T lies in its ability to provide accurate and efficient control over bipolar stepper motors, enabling smooth and precise movement in various applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a specific quantity per package depending on the manufacturer's specifications.

Specifications

• Supply Voltage: 8 V to 35 V
• Output Current: Up to 2 A per phase
• Logic Voltage: 3.3 V or 5 V compatible
• Step Modes: Full, Half, Quarter, Eighth, Sixteenth
• Thermal Shutdown Circuitry: Yes
• Overcurrent Protection: Yes
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. MS1: Microstep Resolution Selection Input
2. MS2: Microstep Resolution Selection Input
3. ENABLE: Enable Input
4. RESET: Reset Input
5. SLEEP: Sleep Input
6. STEP: Step Input
7. DIR: Direction Input
8. GND: Ground
9. VMOT: Motor Power Supply
10. VDD: Logic Power Supply
11. OUT1B: Output Phase B
12. OUT1A: Output Phase A
13. OUT2A: Output Phase A
14. OUT2B: Output Phase B

Functional Features

• Microstepping Control: Allows precise control over motor movement by providing various microstep resolution options.
• Adjustable Current Limiting: Enables customization of the current limit to match the motor's requirements, ensuring optimal performance and protection against overheating.
• Thermal Shutdown Circuitry: Protects the IC from excessive temperature by shutting down the motor outputs when the temperature exceeds a certain threshold.
• Overcurrent Protection: Safeguards the motor and the IC by limiting the current to prevent damage in case of a fault or short circuit.

Advantages and Disadvantages

Advantages

• Precise microstepping control for smooth motor movement
• Adjustable current limiting for optimized performance
• Thermal shutdown and overcurrent protection for enhanced safety
• Wide operating voltage range allows compatibility with various power supplies

Disadvantages

• Requires additional external components for complete motor control system implementation
• Limited to driving bipolar stepper motors only

Working Principles

A4984SETTR-T operates by receiving step and direction signals from a controller. It generates the necessary drive signals to control the bipolar stepper motor. The microstepping feature allows the motor to move in smaller increments, resulting in smoother motion and reduced vibration. The adjustable current limiting ensures that the motor operates within safe limits, preventing overheating and potential damage.

Detailed Application Field Plans

A4984SETTR-T finds applications in various fields where precise control of bipolar stepper motors is required. Some common application areas include:

1. Robotics: Used in robotic systems for precise positioning and movement control.
2. 3D Printing: Enables accurate control of the printer's extruder and build platform movements.
3. CNC Machines: Provides precise control over the movement of cutting tools and workpieces in computer numerical control (CNC) machines.
4. Automated Equipment: Used in automated systems for precise control of conveyor belts, robotic arms, and other motor-driven components.

Detailed and Complete Alternative Models

1. A4988: Similar to A4984SETTR-T, but with additional features such as adjustable decay mode and mixed decay mode.
2. DRV8825: Offers higher current capability and supports up to 32-step microstepping.
3. TB6600: Suitable for driving larger stepper motors with higher current requirements.
4. L298N: Dual H-bridge motor driver capable of driving both bipolar and unipolar stepper motors.

These alternative models provide similar functionality to A4984SETTR-T and can be considered based on specific application requirements.

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