A3977SLPTR
A3977SLPTR: High Current Stepper Motor ControllerA3977SLPTR
A3977SLPTR: High Current Stepper Motor Controller
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Manufacturer Part # : A3977SLPTR
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Package/Case: TSSOP-28
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Part Status : OBSOLETE
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Brand: Allegro Microsystems
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Product Categories : Motor Drivers, Controllers
Quality Assurance
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
Shipping & Payment
About Shipping
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Service & Packaging
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
A3977SLPTR 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!
Details
The A3977SLPTR is a motor driver IC designed for controlling and driving the operation of a motor. It is typically used for controlling the motion of a stepper motor, which is a type of motor that moves in discrete steps or increments.
Key Features
- Stepper Motor Driver: This IC is designed for use with stepper motors and is used to control their motion.
- Microstepping Support: It may support microstepping, a technique that divides a full step into smaller steps to provide smoother and more precise motor movement.
- Current Control: Some versions of this IC offer adjustable current control for the motor windings.
- Protection Features: It may include protection features like thermal shutdown and overcurrent protection.
- Versatile I/Os: Typically, it has a variety of input and output pins for interfacing with external devices and controllers.
Application
- 3D Printers: For controlling the movement of print heads and build platforms.
- CNC Machines: For precise control of tool movement in computer numerical control (CNC) machines.
- Robotics: In robotics for controlling the motion of robotic arms, legs, or other components.
- Automated Equipment: In various automated equipment for precise positioning and control.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Name | A3977SLPTR | 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 |
Package | Tape & Reel (TR) | Product Status | Obsolete |
Motor Type - Stepper | Bipolar | Function | Driver - Fully Integrated, Control and Power Stage |
Output Configuration | Half Bridge (4) | Interface | Logic |
Technology | DMOS | Step Resolution ! | 1, 1/2, 1/4, 1/8 |
Applications | General Purpose | Current - Output | 2.5A |
Voltage - Supply | 3V ~ 5.5V | Voltage - Load | 8V ~ 35V |
Operating Temperature ! | -20°C ~ 150°C (TJ) | Mounting Type | Surface Mount |
Package / Case | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Supplier Device Package | 28-TSSOP-EP |
Base Product Number | A3977 |
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.
FAQs
What is A3977SLPTR?
The A3977SLPTR is a microstepping motor driver integrated circuit designed by Allegro Microsystems. It is specifically designed to drive bipolar stepper motors in various applications such as 3D printers, CNC machines, and robotics.
How Does A3977SLPTR Work?
The A3977SLPTR works by translating digital control signals into precise analog current levels to drive the stepper motor coils. It supports microstepping, which allows for smoother and more precise motion control compared to full-step driving. The driver can be configured for different step resolutions to suit the specific requirements of the application.
How Many Pins does A3977SLPTR have and What are the Functions of the Pinout Configuration?
The A3977SLPTR is housed in a 28-pin TSSOP package. The pinout configuration includes:
- VCP, VS, GND: Power supply and ground pins.
- DIAG: Diagnostic output pin.
- STEP, DIR, /ENABLE: Control input pins for step, direction, and enable signals.
- MS1, MS2, /MS3: Microstepping control pins.
- OUT1A, OUT1B, OUT2A, OUT2B: Output pins for the stepper motor coils.
- REF: Reference voltage input for current limit regulation.
- RESET: Reset pin for fault clearing.
What are the Pros and Cons of A3977SLPTR?
Pros:
- Microstepping: Offers precise microstepping control for smooth and accurate motor movement.
- Integrated Protection: Includes integrated thermal shutdown and overcurrent protection features.
- Compatibility: Can drive a wide range of bipolar stepper motors.
- Programmability: Supports configurable microstepping resolutions for flexibility in design.
- Thermal Performance: The TSSOP package offers good thermal performance for heat dissipation.
Cons:
- Power Dissipation: May require heatsinking in high-power applications to manage thermal issues.
- External Components: May require additional external components for optimal performance in certain applications.
- Size: The 28-pin TSSOP package may be larger than some alternative motor drivers.
Are There Any Equivalents/Alternatives to A3977SLPTR for Recommendation?
- The A4988 from Allegro Microsystems is a popular alternative microstepping motor driver.
- Other alternatives include the DRV8825 from Texas Instruments and the TB6600 from Toshiba.
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