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| PartNumber | A3973SLB | A3973SB | A3973SB-T |
| Description | IC MTR DRV BIPLR 4.5-5.5V 24SOIC | IC MTR DRV BIPOLR 4.5-5.5V 24DIP | IC MTR DRV BIPOLR 4.5-5.5V 24DIP |
| Manufacturer | Allegro MicroSystems, LLC | - | - |
| Product Category | PMIC - Motor Drivers, Controllers | - | - |
| Series | - | - | - |
| Packaging | Tube | - | - |
| Package Case | 24-SOIC (0.295", 7.50mm Width) | - | - |
| Technology | DMOS | - | - |
| Operating Temperature | -20°C ~ 150°C (TJ) | - | - |
| Mounting Type | Surface Mount | - | - |
| Function | Driver - Fully Integrated, Control and Power Stage | - | - |
| Applications | General Purpose | - | - |
| Interface | Serial | - | - |
| Voltage Supply | 4.5 V ~ 5.5 V | - | - |
| Supplier Device Package | 24-SOIC W | - | - |
| Current Output | 1A | - | - |
| Output Configuration | Half Bridge (4) | - | - |
| Voltage Load | 15 V ~ 35 V | - | - |
| Motor Type Stepper | Bipolar | - | - |
| Motor Type AC DC | - | - | - |
| Step Resolution | 1 ~ 1/64 | - | - |