Product Details
| Description The A4984 is a complete microstepping motor driver with built-in translator for easy operation. It is designed to operate bipolar stepper motors in full-, half-, quarter-, and eighth-step modes. Step modes are selectable by MSx logic inputs. It has an output drive capacity of up to 35 V and ±2 A. The A4984 includes a fixed off-time current regulator which has the ability to operate in Slow or Mixed decay modes. ? Low RDS(ON) outputs ? Automatic current decay mode detection/selection ? Mixed and Slow current decay modes ? Synchronous rectification for low power dissipation ? Internal UVLO ? Crossover-current protection ? 3.3 and 5 V compatible logic supply ? Thin profile QFN and TSSOP packages ? Thermal shutdown circuitry ? Short-to-ground protection ? Shorted load protection ? Low current Sleep mode, < 10 μA ? No smoke no fire (NSNF) compliance (ET package) |
Product Description
| Type | Description |
| ANSC PART# | ANSC - A4984SLPTR-T |
| Category | Integrated Circuits (ICs) |
| Power Management (PMIC) | |
| Motor Drivers, Controllers | |
| Manufacturer | Allegro MicroSystems |
| Series | - |
| Packaging | Tape & Reel (TR) |
| Cut Tape (CT) | |
| / | |
| Part Status | Active |
| Motor Type - Stepper | Bipolar |
| Motor Type - AC, DC | - |
| Function | Driver - Fully Integrated, Control and Power Stage |
| Output Configuration | Half Bridge (4) |
| Interface | Logic |
| Technology | DMOS |
| Step Resolution | 1, 1/2, 1/4, 1/8 |
| Applications | General Purpose |
| Current - Output | 2A |
| Voltage - Supply | 3V ~ 5.5V |
| Voltage - Load | 8V ~ 35V |
| Operating Temperature | -20°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 24-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 24-TSSOP-EP |
| Base Product Number | A4984 |
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