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A3973SLB

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A3973SLB

IC MTR DRV BIPLR 4.5-5.5V 24SOIC

Manufacturer: Allegro MicroSystems

Categories: Motor Drivers, Controllers

Quality Control: Learn More

Allegro MicroSystems A3973SLB is a fully integrated bipolar stepper motor driver IC. This DMOS technology device offers a serial interface for control and features a power stage capable of delivering up to 1A output current. The A3973SLB supports step resolutions from 1 to 1/64, enabling precise motor control for demanding applications. Its output configuration includes four half-bridges, making it suitable for driving bipolar stepper motors. The device operates within a supply voltage range of 4.5V to 5.5V and is designed for load voltages between 15V and 35V. Packaged in a 24-SOIC (0.295" width), it is optimized for surface mount applications and operates across an extended temperature range of -20°C to 150°C (TJ). This component finds utility in various general-purpose applications requiring robust motor control.

Additional Information

Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tube
Technical Details:
PackagingTube
Package / Case24-SOIC (0.295"", 7.50mm Width)
Mounting TypeSurface Mount
FunctionDriver - Fully Integrated, Control and Power Stage
Current - Output1A
InterfaceSerial
Operating Temperature-20°C ~ 150°C (TJ)
Output ConfigurationHalf Bridge (4)
Voltage - Supply4.5V ~ 5.5V
ApplicationsGeneral Purpose
TechnologyDMOS
Voltage - Load15V ~ 35V
Supplier Device Package24-SOIC
Motor Type - StepperBipolar
Motor Type - AC, DC-
Step Resolution1 ~ 1/64

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