UDQ2916LBTR-T

Overview

The UDQ2916LBTR-T is a dual full-bridge PWM motor driver designed to drive bipolar stepper motors or control two DC motors bidirectionally. It features internal pulse-width modulation current control with a continuous output current of 750 mA and an output sustaining voltage of 45 V. The device operates on a single supply voltage ranging from 4.75 V to 5.25 V, with load voltages supported between 10 V and 45 V. It utilizes a 24-SOIC package and includes internal clamp diodes, thermal shutdown circuitry, and low output saturation voltage characteristics.

Feature Summary

• Integrates dual full-bridge drivers for simultaneous control of bipolar stepper windings or two DC motors
• Includes internal pulse-width modulation (PWM) current control to regulate output current levels
• Features internal thermal shutdown circuitry and internal clamp diodes for protection

Applications

• Bipolar stepper motor driving
• Bidirectional DC motor control
• General industrial automation systems

Procurement Notes

Verify the specific suffix 'TR' indicates tape and reel packaging configuration as per manufacturer documentation. Confirm RoHS compliance status, as some variants in this series may not meet current environmental standards. Ensure the operating temperature range aligns with system requirements, noting potential differences between commercial and extended grade specifications.

Selection Notes

Select this component when dual independent bridge control is required within a compact SOIC footprint. The integrated PWM capability simplifies design by reducing external component count compared to discrete solutions. Verify that the 750 mA continuous current rating meets the peak and RMS requirements of the target motor load without exceeding thermal limits under expected ambient conditions.

Part Context

This part belongs to the Allegro MicroSystems 2916 series of dual full-bridge motor drivers. It is functionally similar to other legacy drivers like the PBL3717 and UC3770. The series is characterized by its ability to handle high voltage loads while maintaining low saturation voltage drops, making it suitable for applications requiring efficient power delivery in space-constrained designs.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult official Allegro MicroSystems cross-reference guides for compatible alternatives.