A3986SLDTR-T

Product Overview

Category

A3986SLDTR-T belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• A3986SLDTR-T is a high-performance, microstepping bipolar stepper motor driver.
• It provides precise control over motor movements and enables smooth operation.
• The IC supports various motor control modes, including full-step, half-step, quarter-step, and sixteenth-step.
• It offers advanced features such as stall detection, current regulation, and thermal shutdown protection.
• This driver is designed to operate with a wide range of supply voltages, making it suitable for diverse applications.

Package

The A3986SLDTR-T is available in a surface-mount package, specifically the TSSOP-28 package.

Essence

The essence of the A3986SLDTR-T lies in its ability to accurately control the movement of stepper motors, providing smooth and precise motion control in various applications.

Packaging/Quantity

The A3986SLDTR-T is typically packaged in reels, containing a quantity of 250 units per reel.

Specifications

• Supply Voltage Range: 7V to 35V
• Output Current: Up to 3.5A
• Operating Temperature Range: -40°C to +125°C
• Control Interface: Step and Direction
• Motor Control Modes: Full-step, Half-step, Quarter-step, Sixteenth-step
• Protection Features: Stall Detection, Current Regulation, Thermal Shutdown

Detailed Pin Configuration

The A3986SLDTR-T has a total of 28 pins. Here is the detailed pin configuration:

1. VREF
2. GND
3. VCP
4. CP1
5. CP2
6. CP3
7. CP4
8. CP5
9. CP6
10. CP7
11. CP8
12. CP9
13. CP10
14. CP11
15. CP12
16. CP13
17. CP14
18. CP15
19. CP16
20. CP17
21. CP18
22. CP19
23. CP20
24. CP21
25. CP22
26. CP23
27. CP24
28. VM

Functional Features

• Microstepping Control: The A3986SLDTR-T supports various microstepping modes, allowing precise control over motor movements.
• Stall Detection: This feature helps detect motor stalls and can trigger appropriate actions to prevent damage or ensure safety.
• Current Regulation: The IC regulates the current supplied to the motor, ensuring optimal performance and preventing overheating.
• Thermal Shutdown: In case of excessive temperature, the thermal shutdown feature protects the IC from damage by disabling the motor driver.

Advantages and Disadvantages

Advantages

• Precise motor control with microstepping capability
• Wide operating voltage range allows compatibility with different power sources
• Protection features enhance reliability and prevent damage
• Compact surface-mount package enables space-saving designs

Disadvantages

• Limited output current compared to some other motor drivers
• Requires external components for complete motor control system implementation

Working Principles

The A3986SLDTR-T operates by receiving step and direction signals from a controller. It converts these signals into precise motor movements by controlling the current flow through the motor windings. By adjusting the current levels and timing, the IC achieves smooth motion control in various microstepping modes.

Detailed Application Field Plans

The A3986SLDTR-T finds applications in a wide range of industries and devices, including:

1. Robotics: Used in robotic systems for precise control of motor movements.
2. CNC Machines: Enables accurate positioning and control in computer numerical control machines.
3. 3D Printers: Provides smooth and precise motion control for additive manufacturing processes.
4. Automated Equipment: Used in various automated systems requiring precise motor control, such as conveyor belts and assembly lines.

Detailed and Complete Alternative Models

1. A4988: Another popular microstepping motor driver with similar features and capabilities.
2. DRV8825: Offers higher output current capability and advanced protection features.
3. TB6600: Suitable for applications requiring higher power and torque.

These alternative models provide similar functionality to the A3986SLDTR-T and can be considered based on specific application requirements.

In conclusion, the A3986SLDTR-T is a high-performance microstepping bipolar stepper motor driver that offers precise control over motor movements. With its advanced features, wide operating voltage range, and compact package, it finds applications in various industries and devices. While it has some limitations, alternative models are available to cater to different needs.