A3987SLPTR-T
advanced microstepping technologyA3987SLPTR-T
advanced microstepping technology
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Manufacturer Part # : A3987SLPTR-T
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Package/Case: TSSOP-24
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Brand: Allegro Microsystems
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Product Categories : Motor Drivers, Controllers
Quality Assurance
Quality Assurance
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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
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.
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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.
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A3987SLPTR-T DataSheet
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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 dual full-bridge MOSFET power output stage of the A3987SLPTR-T is a standout feature, as it allows for efficient motor driving with minimal heat dissipation. This means that your devices can operate smoothly and reliably without any concerns about overheating. Moreover, its pulse-width modulation (PWM) current control algorithm ensures smooth and precise motor control, delivering the performance that you need
Key Features
- High-performance bipolar motor control IC
- Thermal shutdown and diagnostic capabilities included
- Wide operating voltage range of 4
- 5V to 30V with overcurrent protection
Application
- Explore new possibilities
- Drive innovation forward
- Unleash your potential
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category ! | Motor / Motion / Ignition Controllers & Drivers | RoHS | Details |
Product | Brushed DC Motor Drivers | Type | Microstepping |
Operating Supply Voltage ! | 3 V to 5.5 V | Output Current ! | 1.5 A |
Operating Supply Current | 4 mA | Minimum Operating Temperature | - 20 C |
Maximum Operating Temperature ! | + 85 C | Mounting Style | SMD/SMT |
Package / Case | TSSOP-24 | Brand | Allegro MicroSystems |
Load Voltage Rating | 50 V | Moisture Sensitive | Yes |
Number of Outputs | 2 Output | Product Type ! | Motor / Motion / Ignition Controllers & Drivers |
Series | A3987 | Factory Pack Quantity | 4000 |
Subcategory | PMIC - Power Management ICs |
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 A3987SLPTR-T?
The A3987SLPTR-T is a dual full-bridge PWM microstepping motor driver designed by Allegro MicroSystems. It is specifically designed for driving bipolar stepper motors in a wide range of applications, including robotics, automation, 3D printers, and CNC machines.
How Does A3987SLPTR-T Work?
The A3987SLPTR-T works by controlling the current and voltage applied to the coils of a bipolar stepper motor to achieve precise microstepping motion. It utilizes pulse-width modulation (PWM) to control the motor current, enabling smooth and accurate positioning of the motor shaft. The dual full-bridge configuration allows independent control of two stepper motors.
How Many Pins does A3987SLPTR-T have and What are the Functions of the Pinout Configuration?
The A3987SLPTR-T is housed in a 28-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:
- VCP, VINT: Power supply and internal voltage regulator pins.
- GND: Ground pin.
- NEN/SET: Enable/Set input pin.
- M0, M1, M2: Microstepping resolution control pins.
- SLEEP: Sleep mode input pin.
- RST: Reset input pin.
- INA1, INA2, INB1, INB2: Input control pins for motor 1.
- INC1, INC2, IND1, IND2: Input control pins for motor 2.
What are the Pros and Cons of A3987SLPTR-T?
Pros:
- Microstepping Support: Allows smooth and precise movement of stepper motors.
- Dual Motor Control: Supports independent control of two stepper motors.
- High Efficiency: Utilizes PWM current control for efficient motor operation.
- Thermal Protection: Includes thermal shutdown and thermal warning features to protect the driver and motor.
- Compact Package: The 28-pin TSSOP package is compact and suitable for space-constrained designs.
Cons:
- Complexity: Requires careful attention to motor current, microstepping settings, and thermal considerations for optimal performance.
- External Components: May require additional external components such as current sense resistors and diodes for full functionality.
Are There Any Equivalents/Alternatives to A3987SLPTR-T for Recommendation?
Alternatives to the A3987SLPTR-T include the DRV8825 from Texas Instruments and the TB67S249FTG from Toshiba, both of which are also dual full-bridge PWM microstepping motor drivers.
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