A3973SB-T
IC MTR DRV BIPOLR 4.5-5.5V 24DIPManufacturer: Allegro MicroSystems
Categories: Motor Drivers, Controllers
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Allegro MicroSystems A3973SB-T is a bipolar stepper motor driver IC designed for precise motor control. This fully integrated component combines control and power stages, offering a robust solution for applications requiring high performance. The device features a serial interface for command input and supports step resolutions from full step to 1/64 microstepping, enabling smooth and accurate motor positioning.
Operating with a supply voltage range of 4.5V to 5.5V and a load voltage up to 35V, the A3973SB-T can deliver up to 1A of output current. Its DMOS technology ensures efficient power handling. The output configuration includes four half-bridge drivers, facilitating bipolar stepper motor operation. Packaged in a 24-DIP (0.300", 7.62mm) through-hole configuration, this component is suitable for use in various demanding industries, including industrial automation and robotics. The operating temperature range is -20°C to 150°C (TJ).
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 24-PowerDIP (0.300"", 7.62mm) |
| Mounting Type | Through Hole |
| Function | Driver - Fully Integrated, Control and Power Stage |
| Current - Output | 1A |
| Interface | Serial |
| Operating Temperature | -20°C ~ 150°C (TJ) |
| Output Configuration | Half Bridge (4) |
| Voltage - Supply | 4.5V ~ 5.5V |
| Applications | General Purpose |
| Technology | DMOS |
| Voltage - Load | 15V ~ 35V |
| Supplier Device Package | 24-DIP |
| Motor Type - Stepper | Bipolar |
| Motor Type - AC, DC | - |
| Step Resolution | 1 ~ 1/64 |
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