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A3906 Datasheet PDF

Part Series:A3906 Series
Category:Motor Drivers
Description:ALLEGRO MICROSYSTEMS A3906SESTR-T Motor Driver, 2.5V to 9V supply, 9V/1A/2Outputs, QFN-20
Document:A3906SESTR-T Datasheet PDF (10 Pages)

A3906 Motor Drivers Datasheet PDF

#1
A3906SESTR-T
4.9
Allegro MicroSystems
#2
A3906SES-T
1.0
Allegro MicroSystems

A3906SESTR-T - Allegro MicroSystems Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
20 Pin
Supply Voltage (DC)
2.50V (min)
Case/Package
QFN-20
Number of Outputs
2 Output
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A3906SESTR-T - Allegro MicroSystems Function Overview

The A3906SESTR-T is a low voltage stepper and single/dual DC Motor Driver IC with crossover-current protection and thermal shutdown. The A3906 driver is designed for pulse width modulated (PWM) control of low voltage stepper motors. It is capable of output currents up to 1A per channel and operating voltages from 2.5 to 9V. It includes an internal fixed off-time PWM timer that sets a peak current based on the selection of a current sense resistor. An over-current output flag is provided that notifies the user when the current in the motor winding reaches the peak current determined by the sense resistor. The fault output does not affect driver operation.
Synchronous rectification for reduced power dissipation
Under-voltage lockout
Peak current output flag
Low RDS (ON) outputs
Brake mode for DC motors
Sleep function
-20 to 85°C operating temperature range
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