A3909GLYTR-T

Overview

The A3909GLYTR-T is a low-voltage dual full-bridge motor driver manufactured by Allegro MicroSystems. It utilizes DMOS technology to provide four half-bridge outputs capable of driving DC, universal, and stepper motors. The device operates with supply and load voltages ranging from 4V to 18V and delivers an output current of 1A per channel. It features a 10-MSOP package with an exposed pad for thermal management. Key electrical parameters include a typical on-resistance of 1.6 ohms (LS + HS) and a junction temperature range of -40°C to 150°C.

Feature Summary

• Integrates four half-bridge drivers for versatile motor control applications
• Includes internal protection mechanisms such as overcurrent limiting and thermal shutdown
• Supports logic interfaces for straightforward system integration

Applications

• DC motor control systems
• Universal motor drives
• Stepper motor positioning

Procurement Notes

Verify the specific suffix GLYTR-T against the manufacturer datasheet to confirm the exact tape-and-reel packaging configuration and moisture sensitivity level. Ensure that the ordering quantity aligns with the standard supplier reel sizes to avoid additional handling fees or partial reel charges during procurement processing.

Selection Notes

Select this component when a compact solution is required for low-voltage motor applications requiring up to 1A per channel. The 10-MSOP package offers a balance between thermal performance and board space efficiency. Verify that the system voltage remains within the 4V to 18V operating range to ensure reliable operation without exceeding the device limits.

Part Context

This part belongs to the A3909 family of integrated motor drivers designed for cost-sensitive and space-constrained applications. It serves as a complete power stage solution, eliminating the need for external discrete components typically required in traditional H-bridge designs. The series is widely used in consumer electronics and industrial automation where reliable low-power motor actuation is necessary.

Replacement Considerations

Consult official substitution guides for pin-compatible alternatives within the same product family. Verify that any replacement maintains identical voltage ratings, current capabilities, and package dimensions to ensure seamless integration into existing hardware designs.