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A3909

Part Number	A3909
Manufacturer	Allegro
Description	Dual Full Bridge Motor Driver
Published	Sep 19, 2016
Detailed Description	A3909 Dual Full Bridge Motor Driver FEATURES AND BENEFITS • Low RDS(on) outputs • Drives two DC motors or single steppe...
Datasheet	A3909 PDF File

Overview

A3909 Dual Full Bridge Motor Driver FEATURES AND BENEFITS • 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: 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.
The four inputs (IN1 t...

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