Part A3909
Description Dual Full Bridge Motor Driver
Manufacturer Allegro MicroSystems
Size 932.75 KB
Allegro MicroSystems
A3909

Overview

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.

  • 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 PACKAGES: