A3984SLPTR-T

Product Overview

Category

A3984SLPTR-T belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for motor control applications.

Characteristics

• A3984SLPTR-T is a high-performance stepper motor driver.
• It offers precise and efficient control over stepper motors.
• The IC operates at a wide voltage range, making it suitable for various applications.
• It supports microstepping, allowing for smoother motor movements.
• A3984SLPTR-T incorporates protection features such as thermal shutdown and overcurrent detection.

Package

The A3984SLPTR-T IC is available in a compact surface-mount package.

Essence

The essence of A3984SLPTR-T lies in its ability to provide accurate and reliable control for stepper motors, enabling smooth and precise motion in electronic devices.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with each containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Operating Voltage Range: 7V to 35V
• Output Current: Up to 2.5A per phase
• Microstepping Resolution: Up to 1/16 step
• Thermal Shutdown Protection: Yes
• Overcurrent Detection: Yes

Detailed Pin Configuration

The A3984SLPTR-T IC has the following pin configuration:

1. VREF - Reference voltage input
2. GND - Ground connection
3. VMOT - Motor supply voltage
4. VCP - Charge pump capacitor voltage
5. CP1 - Charge pump capacitor connection
6. CP2 - Charge pump capacitor connection
7. STEP - Step input
8. DIR - Direction input
9. MS1 - Microstep resolution selection
10. MS2 - Microstep resolution selection
11. ENABLE - Enable input
12. RESET - Reset input
13. FAULT - Fault output
14. OUT1 - Motor phase output 1
15. OUT2 - Motor phase output 2
16. OUT3 - Motor phase output 3
17. OUT4 - Motor phase output 4

Functional Features

• A3984SLPTR-T provides precise control over stepper motors, allowing for accurate positioning and smooth motion.
• The IC supports microstepping, enabling finer resolution and reduced vibration.
• It incorporates protection features such as thermal shutdown and overcurrent detection, ensuring safe operation of the motor and the IC itself.
• A3984SLPTR-T offers a wide operating voltage range, making it compatible with various power supply systems.

Advantages and Disadvantages

Advantages

• Accurate and reliable control over stepper motors
• Supports microstepping for smoother motion
• Incorporates protection features for enhanced safety
• Wide operating voltage range for compatibility

Disadvantages

• May require additional external components for full functionality
• Limited to stepper motor applications

Working Principles

The A3984SLPTR-T IC operates by receiving control signals through its input pins, which determine the direction and step size of the connected stepper motor. These signals are processed internally, generating the appropriate output signals to drive the motor coils. By controlling the timing and sequence of these signals, the IC can accurately control the rotation and position of the motor shaft.

Detailed Application Field Plans

A3984SLPTR-T finds application in various fields where precise motor control is required. Some examples include:

1. Robotics: The IC can be used in robotic systems to control the movement of robot arms or other motorized components.
2. CNC Machines: A3984SLPTR-T enables accurate control of stepper motors in computer numerical control (CNC) machines, ensuring precise cutting or milling operations.
3. 3D Printers: The IC can be utilized in 3D printers to control the movement of the print head and build platform, enabling precise layer-by-layer printing.

Detailed and Complete Alternative Models

1. A4988: This IC offers similar functionality to A3984SLPTR-T and is widely used in stepper motor control applications.
2. DRV8825: Another popular alternative, DRV8825 provides advanced features such as adjustable current limiting and higher microstepping resolution.
3. TB6600: This IC is suitable for driving larger stepper motors and offers higher current handling capabilities.

These alternative models provide comparable functionality to A3984SLPTR-T and can be considered based on specific application requirements.

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