A3977SLPTR
IC MTR DRV BIPOLR 3-5.5V 28TSSOPManufacturer: Allegro MicroSystems
Categories: Motor Drivers, Controllers
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The Allegro MicroSystems A3977SLPTR is a bipolar stepper motor driver featuring DMOS technology. This fully integrated component combines control and power stages for efficient motor operation. It provides a logic interface and is housed in a 28-TSSOP-EP package with an exposed pad for enhanced thermal performance. The device supports a voltage supply range of 3V to 5.5V and a load voltage range of 8V to 35V, with a maximum output current of 2.5A. Its output configuration includes four half-bridges. The A3977SLPTR offers selectable step resolutions of 1, 1/2, 1/4, and 1/8, making it suitable for applications requiring precise motor control. Operating temperature ranges from -20°C to 150°C (TJ). This component finds utility in general-purpose applications across various industries requiring precise stepper motor actuation. It is supplied on a Tape & Reel (TR).
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 | 28-TSSOP (0.173"", 4.40mm Width) Exposed Pad |
| 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 | 28-TSSOP-EP |
| Motor Type - Stepper | Bipolar |
| Motor Type - AC, DC | - |
| Step Resolution | 1, 1/2, 1/4, 1/8 |
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