A3977SEDTR
IC MTR DRVR BIPOLR 3-5.5V 44PLCCManufacturer: Allegro MicroSystems
Categories: Motor Drivers, Controllers
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Allegro MicroSystems A3977SEDTR is a bipolar stepper motor driver IC. This device features a fully integrated control and power stage, utilizing DMOS technology for efficient operation. It supports bipolar stepper motors with output current capabilities up to 2.5A and operates over a wide voltage range from 8V to 35V for the load supply and 3V to 5.5V for the logic supply. The A3977SEDTR offers selectable step resolutions including full, half, 1/4, and 1/8 step, facilitating precise motor control. Its output configuration consists of four half bridges, enabling versatile motor driving applications. Packaged in a 44-PLCC (16.59x16.59) surface mount configuration, this component is supplied on tape and reel. Common applications include general-purpose motor control systems. The operating junction temperature range is -20°C to 150°C.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 44-LCC (J-Lead) |
| Mounting Type | Surface Mount |
| Function | Driver - Fully Integrated, Control and Power Stage |
| Current - Output | 2.5A |
| Interface | Logic |
| Operating Temperature | -20°C ~ 150°C (TJ) |
| Output Configuration | Half Bridge (4) |
| Voltage - Supply | 3V ~ 5.5V |
| Applications | General Purpose |
| Technology | DMOS |
| Voltage - Load | 8V ~ 35V |
| Supplier Device Package | 44-PLCC (16.59x16.59) |
| Motor Type - Stepper | Bipolar |
| Motor Type - AC, DC | - |
| Step Resolution | 1, 1/2, 1/4, 1/8 |
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