A3977SED-T
IC MTR DRVR BIPOLR 3-5.5V 44PLCCManufacturer: Allegro MicroSystems
Categories: Motor Drivers, Controllers
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Allegro MicroSystems A3977SED-T is a bipolar stepper motor driver featuring integrated DMOS power output stages and a current-limiting/protection circuit. This device provides a flexible interface for controlling two DC motors or one stepper motor, with microstepping capabilities up to 1/8 step resolution. The A3977SED-T is designed for applications requiring precise motor control, including industrial automation, consumer electronics, and automotive systems. It operates with a supply voltage range of 3V to 5.5V and a load voltage range of 8V to 35V, with a continuous output current of 2.5A. The device is housed in a 44-PLCC package, suitable for surface mounting and operating within a temperature range of -20°C to 150°C (TJ). The output configuration includes four half-bridge drivers, facilitating versatile motor control strategies.
Additional Information
Series: -RoHS Status: ROHS3 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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