A3977SED

Name: A3977SED
Brand: Allegro MicroSystems
Rating: 4.5 (10 reviews)
Author: Lisleapex

5V DMOS Stepper Motor Driver in 44-Pin PLCC package

4,901 Effective Inventory

A3977SED

Effective Inventory4,901

5V DMOS Stepper Motor Driver in 44-Pin PLCC package

Manufacturer Part # : A3977SED
Package/Case: PLCC-44
Brand: Allegro MicroSystems
Product Categories : Motor Drivers, Controllers
Series : A3977

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

About Payment

We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.

If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

WireTransfer

Paypal

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Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

Example

Tape and Reel

Cut Tape

Tube or Tray

A3977SED 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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Rapid Quote

Please submit RFQ for A3977SED or email to us: Email: [email protected], we will contact you in 12 hours.

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A3977SED Description

The A3977SED is a robust stepper motor controller from Allegro MicroSystems LLC, designed for precise control of bipolar stepper motors in various applications. This device features high-performance capabilities, low power consumption, and a wide operating temperature range, making it suitable for use in robotics, 3D printing, CNC machines, and other automated equipment.

Pin Details

The A3977SED is a microstepping driver with 16 pins for half-duplex communication. It includes pins for receiving, driving, and enabling signals, along with power supply and ground connections.

Pin configuration

Pin 1 (VCC): Positive Power Supply
Pin 2 (GND): Ground
Pin 3 (EN): Enable Input
Pin 4 (DIR): Direction Control
Pin 5 (STEP): Step Clock Input
Pin 6 (DIRECTION): Motor Direction Output
Pin 7 (ENABLE): Driver Enable Output
Pin 8 (MICROSTEP): Microstepping Clock Input
Pin 9-15: Motor Control Outputs
Pin 16 (GND): Ground

Features

PWM current control: Allows for precise control of motor currents.
Low Rds(on) outputs: Enables efficient motor operation with low power consumption.
Internal fixed off-time PWM current control: Provides stable and reliable motor performance.
Wide operating temperature range: Ensures reliable operation in various environmental conditions.

Applications

The A3977SED is suitable for use in robotics, 3D printing, CNC machines, and other automated equipment where precise control of bipolar stepper motors is required.

Where to Use:

This device can be used in various applications such as:

Robotics
3D Printing
CNC Machines
Automated Equipment

Manufacturer

The A3977SED is manufactured by Allegro MicroSystems LLC, a global leader in semiconductor technology.

Packages

The A3977SED comes in an SOIC-16 (Small Outline Integrated Circuit) package. This package is designed for surface-mount technology, offering a compact and efficient solution for integrating the controller into electronic circuits.

Equivalent Parts of A3977SED

A3979: A comparable stepper motor controller from Allegro MicroSystems LLC with similar features and performance.
A3975: An alternative stepper motor controller from Allegro MicroSystems LLC that offers equivalent functionality.

Specifications

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

Product Name	A3977SED	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 A3977SED PDF Download