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| Part Number | A3955SB |
| Datasheet | A3955SB datasheet |
| Description | IC MTR DRV BIPOLR 4.5-5.5V 16DIP |
| Manufacturer | Allegro MicroSystems, LLC |
| Series | - |
| Part Status | Obsolete |
| Motor Type - Stepper | Bipolar |
| Motor Type - AC, DC | - |
| Function | Driver - Fully Integrated, Control and Power Stage |
| Output Configuration | Half Bridge (2) |
| Interface | Parallel |
| Technology | Bipolar |
| Step Resolution | 1, 1/2, 1/4, 1/8 |
| Applications | General Purpose |
| Current - Output | 1.5A |
| Voltage - Supply | 4.5V ~ 5.5V |
| Voltage - Load | 4.5V ~ 50V |
| Operating Temperature | -20°C ~ 150°C (TJ) |
| Mounting Type | Through Hole |
| Package / Case | 16-PowerDIP (0.300", 7.62mm) |
| Supplier Device Package | 16-DIP |