A3988SEVTR-T
Manufacturer: Allegro MicroSystems
Part Number: A3988SEVTR-T
| Attribute | Value |
| cate_name | Motor Drivers |
| Datasheet | A3988SEVTR-T Allegro MicroSystems |
| rohs | Compliance |
| reference_package | QFN |
| mounting | SMD mount |
| application_level | |
| lifecycle | |
| spm | Tape & Reel |
| min_operating_temperature | -20℃(TA) |
| max_operating_temperature | 85℃(TA) |
| length_width_height | 6mm*6mm*900μm |
| functions | Control and Power Stage，Driver - Fully Integrated |
| interface_type | Parallel |
| max_operating_supply_voltage | 5.5V |
| min_operating_supply_voltage | 3V |
| motor_type | Bipolar motor |
| motor_type_ac_dc | Brushed DC |
| power | - |
| rated_current | - |
| technology | DMOS |
| topology | Half Bridge (8) |
| voltage_load | 8V~36V |
The Allegro MicroSystems A3988SEVTR-T is a highly efficient stepper motor driver designed for driving two or four phase bipolar stepper motors. It is part of Allegro's extensive range of products aimed at providing reliable and precise motor control solutions for various applications.
Features of A3988SEVTR-T:
1. High Efficiency: The A3988SEVTR-T is designed with a high efficiency of up to 90%, reducing heat dissipation and power consumption.
2. Advanced Microstepping Resolution: Offers 1/32 microstepping for smooth and precise motor movement.
3. Powerful Chopper Control: The driver includes a powerful chopper stabilization for reduced motor noise and increased motor torque at low speeds.
4. Stall Detection: The A3988SEVTR-T features an automatic stall detection system that can protect the motor from damage due to stalling.
5. Thermal Protection: Overheat protection ensures the driver and motor are safeguarded against thermal overload.
6. Configurable Current Setting: Allows for adjustable current settings to match the motor's requirements.
7. Spread Spectrum: Reduces electromagnetic interference (EMI) with its spread spectrum feature.
Development Support:
Allegro MicroSystems provides comprehensive development support for the A3988SEVTR-T, including:
- Technical Documentation: Detailed datasheets, application notes, and design guides.
- Software Tools: Motor control software for simulation and testing.
- Technical Support: Access to experts for troubleshooting and design assistance.
Application Fields:
The A3988SEVTR-T is suitable for a wide range of applications where precise motor control is required, such as:
- Industrial Automation: For robotic arms and CNC machines.
- Medical Equipment: In devices requiring precise motion control.
- Consumer Electronics: For high-precision components in cameras and printers.
- Automotive Systems: In adaptive systems like power seats and sunroofs.
Parameter Introduction:
- Supply Voltage: 8.2V to 45V
- Output Current per Phase: Up to 2.5A (with appropriate heat sinking)
- Operating Temperature: -40°C to +125°C
- Package Type: Very Thin Quad Flat Package (VQFN)
Frequently Asked Questions (FAQs):
1. Q: What is the maximum current the A3988SEVTR-T can handle?
A: The A3988SEVTR-T can handle up to 2.5A per phase with proper heat sinking.
2. Q: Does the A3988SEVTR-T support any form of communication interface?
A: The driver does not have a built-in communication interface but can be controlled via its input pins.
3. Q: How does the A3988SEVTR-T handle motor stall conditions?
A: It has an automatic stall detection system that can protect the motor from damage due to stalling.
4. Q: Can the A3988SEVTR-T be used in a wide temperature range?
A: Yes, it operates effectively in temperatures ranging from -40°C to +125°C.
5. Q: What kind of protection does the A3988SEVTR-T offer against thermal overload?
A: It includes thermal shutdown protection to safeguard against overheating.
For more detailed information, it is recommended to refer to the official Allegro MicroSystems datasheet and technical documentation for the A3988SEVTR-T stepper motor driver.
Please refer to the product rule book for details.
Allegro's product portfolio includes magnetic sensor ICs, motor driver and interface ICs, regulators and lighting, and power management ICs. These products are critical in enabling safer, smarter, and more energy-efficient technologies in cars, homes, and workplaces. For instance, their magnetic sensors are widely used in automotive applications for systems such as anti-lock braking, power steering, and transmission sensors. Similarly, their power management ICs help in managing power requirements efficiently in various electronic products.
The company is committed to innovation and spends a significant amount of its revenue on research and development. This commitment is reflected in their robust patent portfolio, which ensures they stay at the forefront of technology advancements and market needs. Allegro's dedication to R&D also drives their ability to tailor products to meet specific customer requirements, making them a preferred partner in many key industries.
Allegro MicroSystems operates globally with design and application engineering centers located in North America, Europe, and Asia. Their manufacturing facilities, equipped with state-of-the-art technology, are spread across these regions, ensuring a reliable supply chain and the ability to serve customers worldwide efficiently.
Sustainability is a core component of Allegro’s business philosophy. They strive to minimize their environmental impact through advanced manufacturing processes and sustainable practices. Their products are designed to reduce energy consumption and extend the life cycle of the devices they are used in, which contributes to environmental sustainability.
Customer-centricity is another pillar of Allegro’s operational ethos. They maintain close relationships with their clients through collaborative engineering support, providing technical assistance from the design phase to product deployment. This approach not only enhances customer satisfaction but also fosters long-term partnerships.
In conclusion, Allegro MicroSystems is a pivotal player in the semiconductor industry, known for its technological innovation, market responsiveness, and commitment to sustainability. With a broad range of products and a focus on future-ready solutions, Allegro continues to shape the future of electronics in various sectors, driving progress in a world increasingly reliant on sophisticated electronic systems.
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