A3973SB
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- Mfr.Part #
- A3973SB
- Manufacturer
- Allegro MicroSystems
- Package / Case
- 24-PowerDIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC MTR DRV BIPOLR 4.5-5.5V 24DIP
- Stock
- 40,387
- In Stock ：
- 40,387
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- Manufacturer :
- Allegro MicroSystems
- Product Category :
- Motor Drivers, Controllers
- Mount :
- Through Hole
- Operating Supply Voltage :
- 5V
- Width :
- 7.62mm
- Base Part Number :
- A3973
- Voltage - Supply :
- 4.5V~5.5V
- Terminal Position :
- Dual
- Function :
- Driver - Fully Integrated, Control and Power Stage
- Number of Terminations :
- 24
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Published :
- 2000
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Current - Output :
- 1A
- Qualification Status :
- Not Qualified
- Mounting Type :
- Through Hole
- Interface :
- Serial
- Operating Temperature :
- -20°C~150°C TJ
- Number of Outputs :
- 1
- Height Seated (Max) :
- 5.33mm
- Output Configuration :
- Half Bridge (4)
- Step Resolution :
- 1 ~ 1/64
- JESD-609 Code :
- e0
- Analog IC - Other Type :
- STEPPER MOTOR CONTROLLER
- Package / Case :
- 24-PowerDIP (0.300, 7.62mm)
- Terminal Finish :
- TIN LEAD
- Peak Reflow Temperature (Cel) :
- 240
- Motor Type - Stepper :
- Bipolar
- JESD-30 Code :
- R-PDIP-T24
- Applications :
- GENERAL PURPOSE
- Voltage - Load :
- 15V~35V
- Lead Free :
- Contains Lead
- ECCN Code :
- EAR99
- Supply Voltage :
- 5V
- Terminal Pitch :
- 2.54mm
- Packaging :
- Tube
- RoHS Status :
- Non-RoHS Compliant
- Datasheets
- A3973SB
Motor Drivers, Controllers Allegro MicroSystems A3973SB Overview
The Motor Drivers, Controllers Allegro MicroSystems A3973SB is a state-of-the-art bipolar stepper motor driver integrated circuit designed to deliver high performance and reliability for a wide range of motor control applications. Engineered by Allegro MicroSystems, a leader in motor driver technology, the A3973SB simplifies complex motor drive functionalities into a robust 24-pin DIP package. This IC is particularly well-suited for applications requiring precise control of bipolar stepper motors, operating efficiently within a supply voltage range of 4.5 to 5.5 volts. Its integration of advanced features and protective functionalities ensures optimal performance in demanding environments, making it a top choice for manufacturers and engineers looking to enhance system reliability and motor precision.
A3973SB Features
The A3973SB motor driver IC stands out with its comprehensive feature set, which includes adjustable mixed decay modes, internal synchronous rectification, and thermal shutdown protection. These features contribute to improved efficiency, reduced power dissipation, and enhanced safety during operation. Additionally, the A3973SB supports cross-conduction protection, minimizing the risk of damage caused by simultaneous high current paths through the device, thereby enhancing its longevity and reliability in active duty.
A3973SB Applications
- 3D Printers: The A3973SB provides precise motor control necessary for the stepper motors used in 3D printing technology, ensuring accurate layering and movement.
- Automated Assembly Equipment: In assembly lines, the A3973SB drives stepper motors for tasks requiring high precision and repeatability, vital for consistent product quality.
- Medical Automation Devices: This IC is crucial in medical devices where precise motor control is required, such as in robotic surgery instruments and automated medication dispensers.
- Office Automation: The A3973SB is used in office equipment like computer-controlled filing and storage systems, where stepper motors aid in the automated management and retrieval of documents.
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