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A3918

Part Number	A3918
Manufacturer	Allegro MicroSystems
Description	Low Voltage DC Motor Driver
Published	Sep 24, 2012
Detailed Description	A3918 Low Voltage DC Motor Driver Features and Benefits ▪ 2.5 to 9 V operation ▪ Internal PWM current control ▪ Synchron...
Datasheet	A3918 PDF File

Overview

A3918 Low Voltage DC Motor Driver Features and Benefits ▪ 2.
5 to 9 V operation ▪ Internal PWM current control ▪ Synchronous rectification for reduced power dissipation ▪ Peak current output flag ▪ Undervoltage lockout ▪ Low RDS(on) outputs ▪ Small package ▪ Brake mode for DC motor ▪ Sleep function ▪ Crossover-current protection ▪ Thermal shutdown Description Designed for pulse width modulated (PWM) control of a low voltage DC motor, the A3918 is capable of output currents up to 1.
5 A and operating voltages from 2.
5 to 9 V.
The A3918 has an internal fixed off-time PWM timer that sets a peak current based on the selection of a current sense resistor.
An overcurrent output flag is provided tha...

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