A3979SLP-T

Name: A3979SLP-T
Brand: Allegro MicroSystems
Rating: 4.5 (10 reviews)
Author: Lisleapex

Allegro Microsystems A3979SLP-T is an integrated circuit designed for motor driving applications with a 2

3,793 Effective Inventory

A3979SLP-T

Effective Inventory3,793

Allegro Microsystems A3979SLP-T is an integrated circuit designed for motor driving applications with a 2

Manufacturer Part # : A3979SLP-T
Package/Case: 28-TSSOP Exposed Pad
Brand: Allegro MicroSystems
Product Categories : Motor Drivers, Controllers
Series : A3979

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A3979SLP-T DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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A3979SLP-T Details

The A3979SLP-T is a microstepping motor driver IC from Allegro Microsystems, designed for smooth and precise motion control in various stepper motor applications. This driver offers advanced current control technology, allowing for high torque and low vibration operation. It is suitable for applications requiring precise positioning and motion control, such as 3D printers, CNC machines, and robotic systems.

Pinout

1 (M1): Motor Output 1
2 (M2): Motor Output 2
3 (M3): Motor Output 3
4 (M4): Motor Output 4
5 (VCC): Positive Power Supply
6 (GND): Ground
7 (VREF): Reference Voltage
8 (NC): No Connection

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Microstepping Technology: Enables smooth and precise motor control for accurate positioning.
Advanced Current Control: Provides high torque and low vibration operation for optimized performance.
Over-Temperature Protection: Includes thermal shutdown protection for enhanced safety and reliability.
Wide Voltage Range: Supports a wide voltage input range for versatile application compatibility.
Fault Detection: Features fault detection and error reporting capabilities for easy diagnostics.

Application

3D Printers: Ideal for precise positioning and smooth motion in 3D printer mechanisms.
CNC Machines: Used in CNC systems for accurate control of stepper motor-driven axes.
Robotics: Suitable for robotic systems requiring precise and reliable motor control.

Where to Use

The A3979SLP-T is recommended for applications that demand precise microstepping motor control, such as in 3D printers, CNC machines, and robotics. It is ideal for achieving smooth motion, accurate positioning, and efficient operation.

How to Use

Integrate the A3979SLP-T into your motor control system by connecting the motor outputs (M1-M4) to the respective motor windings. Supply the required voltage to VCC and ensure a stable ground connection. Set the reference voltage VREF for desired current levels. Utilize error reporting features and monitor temperature for reliable operation. Consult the datasheet for comprehensive usage guidelines.

Application Circuit

The application circuit diagram for the A3979SLP-T illustrates the connections needed for proper integration into a stepper motor control system. It includes motor outputs, power supply connections, and reference voltage settings, ensuring optimal performance and reliability.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

DRV8825: A comparable microstepping motor driver offering similar performance characteristics.
TMC2100: An alternative motor driver with advanced microstepping features.

Complementary

The A3979SLP-T can be paired with the A4988 for dual-axis motor control applications, providing additional motor driving capabilities and scalability.

When selecting complementary motor drivers, ensure compatibility and synchronization between the driver functionalities for optimal system performance.

Frequently Asked Questions

Q: What is the maximum current rating of the A3979SLP-T?

A: The A3979SLP-T has a maximum current rating of [insert current rating here] per phase. Refer to the datasheet for detailed specifications.

Q: Can the A3979SLP-T be used in battery-powered applications?

A: Yes, the A3979SLP-T is suitable for battery-powered applications, provided the voltage requirements are met and the driver's current consumption is within the operational limits.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Name	A3979SLP-T	Product Type !	Motor Driver IC
Manufacturer	Allegro Microsystems	Motor Type	Stepper Motor or DC Motor
Number of Motor Outputs	2	Supply Voltage	5V to 50V
Package Type	Surface-Mount SOIC-16	Operating Temperature Range !	-40°C to 85°C

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification A3979SLP-T PDF Download

FAQs

What is A3979SLP-T?

The A3979SLP-T is a microstepping motor driver integrated circuit (IC) designed by Allegro Microsystems. It is specifically designed for driving bipolar stepper motors with high precision and smooth motion control. This IC is commonly used in various applications such as 3D printers, CNC machines, robotic systems, and other automated motion control systems.

How Does A3979SLP-T Work?

The A3979SLP-T works by receiving control signals from a microcontroller or motion control system and using these signals to drive the connected bipolar stepper motor. It implements microstepping technology to achieve smoother motion and finer positioning of the motor shaft. The IC provides precise current control and protection features for reliable motor operation.

How Many Pins does A3979SLP-T have and What are the Functions of the Pinout Configuration?

The A3979SLP-T is housed in a 28-lead power SOIC package. The pinout configuration includes:

VBB: Bootstrap capacitor connection.
OUT1A, OUT1B, OUT2A, OUT2B: Motor output pins for bipolar winding configurations.
VREF: Reference voltage input for current regulation.
SENSE1, SENSE2: Current sense output pins.
MODE0, MODE1, MODE2: Microstepping mode selection pins.
RESET: Reset pin for fault clearing.
ENABLE: Output stage enable pin.
1A, 2A, 1Y, 2Y, 3Y, 4Y: Logic input and output pins for control signals.

What are the Pros and Cons of A3979SLP-T?

Pros:

Microstepping Capability: Provides smooth motion and enhanced positioning accuracy.
Current Regulation: Offers precise current control for optimal motor performance.
Thermal Protection: Includes thermal shutdown and overcurrent protection for reliable operation.
Easy to Use: Straightforward control interface for integration into motor control systems.
Wide Operating Voltage Range: Supports a wide input voltage range for versatile applications.

Cons:

Package Size: The 28-lead power SOIC package may require careful attention to board layout and thermal management.
External Components: Some applications may require additional external components for specific motor control requirements.
Complexity: Requires knowledge of stepper motor control and microstepping technology for optimal usage.

Are There Any Equivalents/Alternatives to A3979SLP-T for Recommendation?

The DRV8825 from Texas Instruments is a similar microstepping motor driver IC with enhanced features.
Alternatives to the A3979SLP-T include the A4988 and A5995 from Allegro Microsystems, which offer different performance characteristics for specific applications.