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| PartNumber | A4988SETTR-T | A4988SET | A4988SETTR |
| Description | DMOS Microstepping Driver with Translator and Overcurrent Protection | ||
| Manufacturer | ALLEGRO | ALLEGRO | ALLEGRO |
| Product Category | PMIC - Motor Drivers, Controllers | PMIC - Motor Drivers, Controllers | PMIC - Motor Drivers, Controllers |
| Series | - | - | - |
| Packaging | Digi-ReelR Alternate Packaging | Digi-ReelR Alternate Packaging | Digi-ReelR Alternate Packaging |
| Package Case | 28-VFQFN Exposed Pad | 28-VFQFN Exposed Pad | 28-VFQFN Exposed Pad |
| Technology | DMOS | DMOS | DMOS |
| Operating Temperature | -20°C ~ 150°C (TJ) | -20°C ~ 150°C (TJ) | -20°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Function | Driver - Fully Integrated, Control and Power Stage | Driver - Fully Integrated, Control and Power Stage | Driver - Fully Integrated, Control and Power Stage |
| Applications | General Purpose | General Purpose | General Purpose |
| Interface | Step/Direction | Step/Direction | Step/Direction |
| Voltage Supply | 3 V ~ 5.5 V | 3 V ~ 5.5 V | 3 V ~ 5.5 V |
| Supplier Device Package | 28-QFN (5x5) | 28-QFN (5x5) | 28-QFN (5x5) |
| Current Output | 2A | 2A | 2A |
| Output Configuration | Half Bridge (4) | Half Bridge (4) | Half Bridge (4) |
| Voltage Load | 8 V ~ 35 V | 8 V ~ 35 V | 8 V ~ 35 V |
| Motor Type Stepper | Bipolar | Bipolar | Bipolar |
| Motor Type AC DC | - | - | - |
| Step Resolution | 1, 1/2, 1/4, 1/8, 1/16 | 1, 1/2, 1/4, 1/8, 1/16 | 1, 1/2, 1/4, 1/8, 1/16 |