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A3981 |
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| Part Number | A3981 |
| Manufacturer | Allegro |
| Description | TheA3981 is a flexible microstepping motor driver with built-in translator for easy operation. It is a single-chip solution, designed to operate bipolar stepper motors in full-, half-, quarter- and si... |
| Features |
• Peak motor current up to ±1.4 A, 28 V • Low RDS(on) outputs, 0.5 Ω source and sink, typical • Automatic current decay mode detection/selection • Mixed, Fast, and Slow current decay modes • Synchronous rectification for low power dissipation • Internal OVLO, UVLO, and Thermal Shutdown circuitry • Crossover-current protection • Short-circuit and open-load diagnostics • Hot and cold thermal warning • Stall detect features • SPI-compatible or simple Step and Direction motion control • Highly configurable via SPI-compatible serial interface APPLICATIONS • Automotive stepper motors • Engine manage... |
| Document |
 A3981 Data Sheet
PDF 2.88MB |
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | A3980 |
Allegro MicroSystems |
Automotive DMOS Microstepping Driver |
|
| 2 | A3982 |
Allegro |
DMOS Stepper Motor Driver |
|
| 3 | A3983 |
Allegro MicroSystems |
DMOS Microstepping Driver |
|
| 4 | A3984 |
Allegro MicroSystems |
DMOS Microstepping Driver |
|
| 5 | A3985 |
Allegro MicroSystems |
Digitally Programmable Dual Full-Bridge MOSFET Driver |
|
| 6 | A3986 |
Allegro MicroSystems |
Dual Full-Bridge MOSFET Driver |
|
Desde 2024. D4U Semiconductor.
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