A2919SLBTR-T

Overview

The A2919SLBTR-T is a fully integrated bipolar stepper motor driver manufactured by Allegro MicroSystems. It operates on a parallel interface and features four half-bridge outputs capable of delivering up to 750mA per channel. The device supports supply voltages between 4.75V and 5.25V, with load voltages ranging from 10V to 45V. It offers selectable step resolutions of 1/2 and 1/4. Designed for surface mount installation, it utilizes a 24-SOIC package and functions within a junction temperature range of -20°C to 150°C.

Feature Summary

• Fully integrated control and power stage design
• Selectable microstepping resolution options
• Robust thermal performance capability

Applications

• General purpose stepper motor control
• Industrial automation systems
• Motion control applications

Procurement Notes

Verify the specific manufacturer part number against official Allegro MicroSystems documentation to confirm current production status. Note that this component may be listed as obsolete or discontinued in certain distributor catalogs. Ensure compatibility with system voltage requirements and interface protocols before procurement.

Selection Notes

Select this component for applications requiring precise bipolar stepper motor control with integrated power stages. Consider the 24-SOIC package constraints and the specific 4.75V to 5.25V logic supply requirement. Evaluate the thermal management needs given the high junction temperature rating and the 750mA output current capability per half-bridge.

Part Context

This part belongs to the Allegro MicroSystems family of motor drivers and controllers. It is categorized under PMIC solutions for motion control. The series designation indicates its role in providing complete drive solutions for bipolar stepper motors, combining logic control with power switching elements in a single surface-mount package.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided data.