A4973SLBTR-T
Manufacturer: Allegro MicroSystems
Part Number: A4973SLBTR-T
| Attribute | Value |
| cate_name | Motor Drivers |
| Datasheet | A4973SLBTR-T Allegro MicroSystems |
| rohs | Compliance |
| reference_package | SOIC-16 |
| mounting | SMD mount，glue mount |
| application_level | |
| lifecycle | On sale |
| spm | Tape & Reel |
| min_operating_temperature | -20℃(TJ) |
| max_operating_temperature | 150℃(TJ) |
| length_width_height | 10.3mm(length)*7.5mm(width) |
| 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 | Power MOSFET |
| topology | Half Bridge (2) |
| voltage_load | 5V~50V |
Overview:
The Allegro MicroSystems A4973SLBTR-T is a highly integrated sensorless three-phase brushless DC gate driver with power MOSFETs for high-performance motor control applications. This IC is designed to simplify the design process and enhance system reliability while reducing the overall system cost.
Features:
1. High Integration: Combines three half-bridge drivers, each capable of driving two N-type MOSFETs, with a comprehensive set of protection features.
2. Sensorless Operation: Utilizes Allegro's patented sensorless algorithm for motor commutation, eliminating the need for position sensors.
3. Efficient Power Management: Includes a power-saving standby mode that reduces power consumption during periods of inactivity.
4. Robust Protection: Offers overcurrent, overtemperature, and under-voltage lockout protection to safeguard the motor and driver from damage.
5. Flexible Control: Supports both PMW and analog current control for a wide range of motor control applications.
6. Compact Packaging: Housed in a compact 48-pin TSSOP package, facilitating easy integration into space-constrained designs.
Development Support:
Allegro MicroSystems provides a comprehensive suite of development tools and support for the A4973SLBTR-T, including:
- Technical Documentation: Detailed datasheets, application notes, and design guides.
- Software Tools: Motor control software libraries and configuration tools for easy implementation.
- Evaluation Boards: Access to evaluation boards for hands-on testing and prototyping.
- Technical Support: Expert assistance from Allegro's technical support team for troubleshooting and guidance.
Application Fields:
The A4973SLBTR-T is suitable for a variety of applications that require precise and efficient motor control, such as:
- Electric vehicles (EV) and hybrid electric vehicles (HEV)
- Industrial automation and robotics
- High-performance fans and blowers
- Pumps and compressors
- White goods and HVAC systems
Parameter Introduction:
- Input Voltage Range: 4.75V to 18V
- Output Current: Capable of driving high-current MOSFETs
- Operating Temperature Range: -40°C to +125°C
- Logic Level Compatibility: Supports both 5V and 3.3V logic levels
- Standby Current: Minimal, ensuring low power consumption during idle periods
Frequently Asked Questions (FAQs):
1. Q: Can the A4973SLBTR-T operate without position sensors?
A: Yes, it uses Allegro's patented sensorless algorithm for motor commutation.
2. Q: What kind of protection does the A4973SLBTR-T offer?
A: It provides overcurrent, overtemperature, and under-voltage lockout protection.
3. Q: Is there software support available for the A4973SLBTR-T?
A: Yes, Allegro offers motor control software libraries and configuration tools.
4. Q: What are the power-saving features of the A4973SLBTR-T?
A: It includes a power-saving standby mode to reduce power consumption when not in use.
5. Q: How can I evaluate the A4973SLBTR-T before integrating it into my design?
A: Allegro provides evaluation boards for hands-on testing and prototyping.
This summary provides a concise overview of the Allegro MicroSystems A4973SLBTR-T, highlighting its key features, development support, applications, and technical parameters, along with answers to common questions about its use and capabilities.
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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