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| PartNumber | A4989SLDTR-T | A4990KLPTR-T | A4992KLPTR-T |
| Description | Dual Full Bridge Motor Driver 38-Pin TSSOP T/R | IC MTR DRV BIPOLAR 0-50V 20TSSOP | IC MTR DRV BIPLR 3.5-50V 20TSSOP |
| Manufacturer | Allegro MicroSystems, LLC | - | Allegro MicroSystems, LLC |
| Product Category | PMIC - Motor Drivers, Controllers | - | PMIC - Motor Drivers, Controllers |
| Series | - | - | - |
| Packaging | Digi-ReelR Alternate Packaging | - | Digi-ReelR Alternate Packaging |
| Package Case | 38-TFSOP (0.173", 4.40mm Width) | - | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Technology | Power MOSFET | - | DMOS |
| Operating Temperature | -20°C ~ 85°C (TA) | - | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | - | Surface Mount |
| Function | Controller - Commutation, Direction Management | - | Driver - Fully Integrated, Control and Power Stage |
| Applications | General Purpose | - | Automotive |
| Interface | Step/Direction | - | Step/Direction |
| Voltage Supply | 3 V ~ 5.5 V | - | 3.5 V ~ 50 V |
| Supplier Device Package | 38-TSSOP | - | 20-TSSOP-EP |
| Current Output | - | - | - |
| Output Configuration | Pre-Driver - Half Bridge (4) | - | Half Bridge (4) |
| Voltage Load | 12 V ~ 50 V | - | 3.5 V ~ 50 V |
| Motor Type Stepper | Bipolar | - | Bipolar |
| Motor Type AC DC | - | - | - |
| Step Resolution | 1, 1/2, 1/4, 1/16 | - | 1, 1/2, 1/4, 1/8, 1/16 |