A4986SLPTR-T

Product Overview

Category

The A4986SLPTR-T belongs to the category of integrated circuits (ICs) specifically designed for motor control applications.

Use

This product is primarily used for controlling and driving stepper motors, which are commonly found in various industrial and consumer electronic devices.

Characteristics

• The A4986SLPTR-T is a highly efficient and reliable motor driver IC.
• It offers precise microstepping capabilities, allowing for smooth and accurate motor movements.
• The IC operates at a wide voltage range, making it suitable for diverse applications.
• It incorporates advanced protection features to ensure safe operation and prevent damage to the motor or the IC itself.

Package

The A4986SLPTR-T is available in a compact surface-mount package, which facilitates easy integration into circuit boards.

Essence

The essence of the A4986SLPTR-T lies in its ability to provide precise and efficient control over stepper motors, enabling smooth and reliable motion in various applications.

Packaging/Quantity

This product is typically supplied in reels or tubes, with each reel or tube containing a specific quantity of A4986SLPTR-T ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Operating Voltage Range: 8V to 35V
• Output Current: Up to 2A per phase
• Microstepping Resolution: Up to 1/16 step
• Logic Input Voltage: 3.3V to 5V
• Thermal Shutdown Protection: Yes
• Overcurrent Protection: Yes
• Fault Detection and Reporting: Yes

Detailed Pin Configuration

The A4986SLPTR-T has a total of 24 pins, each serving a specific function. Here is a detailed pin configuration:

1. VDD - Power supply voltage input
2. GND - Ground reference
3. VREF - Reference voltage for motor current control
4. STEP - Step input for controlling motor movement
5. DIR - Direction input for controlling motor rotation direction
6. MS1, MS2, MS3 - Microstepping resolution selection inputs
7. RESET - Reset input for resetting the IC to its default state
8. SLEEP - Sleep mode control input
9. ENABLE - Enable/disable control input for motor output
10. FAULT - Fault detection output
11. OUT1A, OUT1B - Motor phase A outputs
12. OUT2A, OUT2B - Motor phase B outputs
13. OUT3A, OUT3B - Motor phase C outputs
14. OUT4A, OUT4B - Motor phase D outputs
15. VCP - Charge pump capacitor connection
16. CP1, CP2 - External charge pump capacitors
17. VREG - Internal voltage regulator output
18. REF - Reference voltage output
19. VCP - Charge pump voltage output
20. GND - Ground reference
21. VDD - Power supply voltage input

Functional Features

• Precise microstepping control for smooth and accurate motor movements.
• Adjustable motor current control for optimal performance and energy efficiency.
• Thermal shutdown protection to prevent overheating and damage.
• Overcurrent protection to safeguard the motor and the IC from excessive current.
• Fault detection and reporting for enhanced system reliability.

Advantages and Disadvantages

Advantages

• High precision and accuracy in motor control.
• Wide operating voltage range allows for versatile applications.
• Compact package for easy integration into circuit boards.
• Advanced protection features ensure safe operation.

Disadvantages

• Limited maximum output current of 2A per phase may not be suitable for high-power motor applications.
• Lack of built-in communication interfaces may require additional components for external control.

Working Principles

The A4986SLPTR-T operates based on the principle of pulse-width modulation (PWM) control. It receives step and direction signals from a microcontroller or other control circuitry to determine the desired motor movement. By adjusting the timing and duration of these signals, the IC controls the current flowing through each motor phase, enabling precise positioning and rotation.

Detailed Application Field Plans

The A4986SLPTR-T finds applications in various fields, including:

1. Robotics: The IC is used in robotic systems for controlling the movement of robotic arms, legs, or other motorized components.
2. 3D Printing: It is employed in 3D printers to precisely control the position and speed of the print head.
3. CNC Machines: The IC is utilized in computer numerical control (CNC) machines to drive stepper motors for accurate and controlled movement of cutting tools.
4. Automated Equipment: It is integrated into automated equipment such as conveyor systems, pick-and-place machines, and assembly lines to control motorized mechanisms.

Detailed and Complete Alternative Models

• A4988
• DRV8825
• TB6600