A3940KLPTR-T

$4.23

Description：IC MOTOR DRIVER 7V-40V 28TSSOP
Series：-
Mfr：Allegro MicroSystems
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:b75725948f59 Category: Motor Drivers, Controllers Brand: Allegro MicroSystems

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Product introduction

Product Detailed Parameters

Description：IC MOTOR DRIVER 7V-40V 28TSSOP
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：Power MOSFET
Step Resolution：-
Applications：-
Current - Output：-
Voltage - Supply：7V ~ 40V
Voltage - Load：-
Operating Temperature：-40°C ~ 135°C (TA)
Mounting Type：Surface Mount
Package / Case：28-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package：28-TSSOP-EP
Grade：Automotive
Qualification：-

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A3940KLPTR-T

Overview

The A3940KLPTR-T is a brushed DC motor driver manufactured by Allegro MicroSystems, designed for automotive applications. It integrates two half-bridge pre-drivers in a 28-TSSOP-EP package with an exposed pad. The device operates on a supply voltage range of 7V to 40V and supports junction temperatures from -40°C to 135°C. Key features include integrated commutation logic and direction management capabilities.

Feature Summary

Integrated commutation logic for simplified control
Direction management functionality
Automotive-grade reliability

Applications

Brushed DC motor control in automotive systems

Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm package integrity as the TSSOP-EP requires specific handling. Check for RoHS3 compliance documentation. Ensure replacement strategies are evaluated given discontinuation notices.

Selection Notes

Select this component for legacy brushed DC motor designs requiring integrated commutation. Verify compatibility with 7V to 40V supply rails. Consider thermal performance requirements for the TSSOP-EP package. Evaluate alternative parts if new design constraints apply.

Part Context

This part belongs to the A3940 series of motor drivers. It is classified under PMIC and motor controllers. The device is specifically tailored for automotive environments, offering robust protection features typical of Allegro's automotive portfolio.