Datasheet Details
| Part number | A3909 |
|---|---|
| Manufacturer | Allegro MicroSystems |
| File Size | 932.75 KB |
| Description | Dual Full Bridge Motor Driver |
| Datasheet |
 A3909 Datasheet
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General Description
The A3909 is a dual full bridge motor driver, designed for 12 V medium power applications.
The outputs are rated for operation through a power supply range of 4 to 18 V, and capable of up to 1 A per phase.
Paralleling the outputs is possible for higher amperage single DC motor applications.
Key Features
- Low RDS(on) outputs.
- Drives two DC motors or single stepper motor.
- Low power standby (Sleep) mode with zero current drain.
- Thermal shutdown protection.
- Parallel operation option for 1.8 A, single DC motor.
- Overcurrent protection: ▫ Output to supply short ▫ Output to GND short ▫ Output load short.