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A2918

Part Number	A2918
Manufacturer	Allegro MicroSystems
Description	DUAL FULL-BRIDGE PWM MOTOR DRIVER
Published	Mar 23, 2005
Detailed Description	2918 OUT1A OUT2A E2 OUT2B LOAD SPLY SENSE 2 1 2 3 4 5 6 7 8 9 DUAL FULL-BRIDGE PWM MOTOR DRIVER The A2918SWH and A2918S...
Datasheet	A2918 PDF File

Overview

2918 OUT1A OUT2A E2 OUT2B LOAD SPLY SENSE 2 1 2 3 4 5 6 7 8 9 DUAL FULL-BRIDGE PWM MOTOR DRIVER The A2918SWH and A2918SWV motor drivers are designed to drive both windings of a bipolar stepper motor or bidirectionally control two dc motors.
All bridges are capable of sustaining 45 V and include internal pulse-width modulation (PWM) control of the output current to 1.
5 A.
For PWM current control, the maximum output current is determined by the user’s selection of a reference voltage and sensing resistor.
A PHASE input to each bridge determines load current direction.
Active low ENABLE inputs control the four drivers in each bridge.
The bridges include both ground clamp and flyback diodes for...

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