UDN2916LB-T

Motor Drivers, Controllers Overview

The UDN2916LB-T is a dual full-bridge PWM motor driver designed for bipolar stepper motors. It features a 24-SOIC surface-mount package with 750mA continuous output current capability and 45V sustaining voltage. The device operates on a 4.75V to 5.25V supply, supporting load voltages from 10V to 45V. It includes internal thermal shutdown, clamp diodes, and low saturation voltage characteristics.

Motor Drivers, Controllers Feature Summary

• Integrates dual full-bridge drivers with internal pulse-width modulation for precise current control
• Includes built-in thermal shutdown circuitry and internal clamp diodes for protection
• Optimized for low output saturation voltage drop to enhance efficiency

Motor Drivers, Controllers Applications

• Bipolar stepper motor driving
• Bidirectional DC motor control
• Tax control printer mechanisms
• Miniature printer motor applications

Motor Drivers, Controllers Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging configuration. Confirm RoHS compliance status as it varies by variant. Check component availability since this series may be discontinued or subject to lifecycle changes. Ensure the 24-SOIC package matches the target PCB footprint requirements.

Motor Drivers, Controllers Selection Notes

Select this component when bipolar stepper motor control with integrated PWM current regulation is required. It is suitable for applications needing 750mA per bridge and operation up to 45V. Consider the SOIC package size for space-constrained designs requiring surface-mount assembly.

Motor Drivers, Controllers Part Context

This part belongs to the UDN2916 family of dual full-bridge motor drivers. It is functionally similar to the Dual PBL3717 and UC3770. The family is designed to drive both windings of a bipolar stepper motor or control two DC motors bidirectionally, featuring logic-level inputs for current limit selection.

Motor Drivers, Controllers Replacement Considerations

Public confirmed substitutes include the UDQ2916LB-T and UDN2916LBTR-T. Verify pinout compatibility and electrical specifications before substitution.