A4955GESTR-T

$1.93

Description：IC MOTOR DRIVER 5.5V-50V 20QFN
Series：-
Mfr：Allegro MicroSystems
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:11ebffea8a02 Category: Motor Drivers, Controllers Brand: Allegro MicroSystems

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Product introduction

Product Detailed Parameters

Description：IC MOTOR DRIVER 5.5V-50V 20QFN
Series：-
Mfr：Allegro MicroSystems
Package：Tape & Reel (TR),Cut Tape (CT)
Motor Type - Stepper：-
Motor Type - AC, DC：Brushed DC
Function：Controller - Commutation, Direction Management
Output Configuration：Pre-Driver - Half Bridge (2)
Interface：Parallel
Technology：NMOS
Step Resolution：-
Applications：General Purpose
Current - Output：-
Voltage - Supply：5.5V ~ 50V
Voltage - Load：-
Operating Temperature：-40°C ~ 105°C (TA)
Mounting Type：Surface Mount
Package / Case：20-WFQFN Exposed Pad
Supplier Device Package：20-QFN-EP (4x4)
Grade：-
Qualification：-

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A4955GESTR-T

Overview

The A4955GESTR-T is a full-bridge PWM gate driver manufactured by Allegro MicroSystems. It operates within a supply voltage range of 5.5V to 50V and utilizes NMOS technology for motor control applications. The component is housed in a 20-WFQFN exposed pad package, measuring 4x4mm. It supports parallel interface communication and provides half-bridge output configurations for brushed DC motor management. The device is rated for an operating temperature range from -40°C to 105°C and holds AEC-Q100 automotive qualification.

Feature Summary

Provides full-bridge PWM gate driving capabilities for efficient motor control
Integrates direction management and commutation controller functions
Features robust protection mechanisms including overcurrent and thermal shutdown

Applications

Brushed DC motor drive systems
Automotive electronic components requiring AEC-Q100 compliance
General purpose motor control circuits

Procurement Notes

Verify the specific suffix 'GESTR-T' against official Allegro documentation to confirm the tape and reel packaging configuration and pinout compatibility. Ensure that the 20-WFQFN footprint matches your PCB design requirements. Confirm that the operating voltage and current ratings align with your target motor specifications before finalizing procurement orders.

Selection Notes

Select this component when a qualified automotive-grade full-bridge gate driver is required for brushed DC motors. It is suitable for designs needing integrated commutation logic and direction control. Consider the 20-WFQFN package size constraints and the 5.5V to 50V input voltage window during circuit planning.

Part Context

This part belongs to the A4955 series of full-bridge PWM gate drivers from Allegro MicroSystems. It is designed specifically for brushed DC motor applications in automotive and industrial environments. The series emphasizes reliability and integration, offering a compact solution for motor control tasks requiring high efficiency and robust protection features.