A3977SED
IC MTR DRVR BIPOLR 3-5.5V 44PLCCManufacturer: Allegro MicroSystems
Categories: Motor Drivers, Controllers
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Allegro MicroSystems A3977SED is a bipolar stepper motor driver IC featuring DMOS technology. This fully integrated component houses both control logic and power stage for efficient motor control. It operates with a supply voltage range of 3V to 5.5V and supports load voltages from 8V to 35V, delivering an output current of up to 2.5A. The device offers flexible step resolution including full, half, quarter, and eighth steps, enabling precise motion control. Its interface is logic-level compatible. The A3977SED is housed in a 44-PLCC (J-Lead) surface mount package, suitable for demanding operating temperatures from -20°C to 150°C (TJ). This component is commonly utilized in general-purpose applications, including industrial automation and consumer electronics.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| 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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