A3930KJPTR-T

$6.24

Description：IC MOTOR DRIVER 5.5V-50V 48LQFP
Series：-
Mfr：Allegro MicroSystems
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:57c19ee6e996 Category: Motor Drivers, Controllers Brand: Allegro MicroSystems

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Product introduction

Product Detailed Parameters

Description：IC MOTOR DRIVER 5.5V-50V 48LQFP
Series：-
Mfr：Allegro MicroSystems
Package：Tape & Reel (TR),Cut Tape (CT)
Motor Type - Stepper：-
Motor Type - AC, DC：Brushless DC (BLDC)
Function：Controller - Commutation, Direction Management
Output Configuration：Pre-Driver - Half Bridge (3)
Interface：Parallel
Technology：Power MOSFET
Step Resolution：-
Applications：-
Current - Output：-
Voltage - Supply：5.5V ~ 50V
Voltage - Load：-
Operating Temperature：-40°C ~ 150°C (TA)
Mounting Type：Surface Mount
Package / Case：48-LQFP Exposed Pad
Supplier Device Package：48-LQFP-EP (7x7)
Grade：Automotive
Qualification：-

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A3930KJPTR-T

Overview

The A3930KJPTR-T is a three-phase brushless DC motor controller and driver manufactured by Allegro MicroSystems. It operates within a supply voltage range of 5.5 V to 50 V and supports an output current of 15 mA with a working supply current of 11 mA. The device features a 5 V output voltage regulator and functions as a pre-driver for three half-bridges using power MOSFET technology. It utilizes a parallel interface and is housed in a 48-LQFP-EP (7x7) package. The component is rated for automotive grade applications and operates across a temperature range of -40°C to +150°C.

Feature Summary

Integrated control and direction management for three-phase BLDC motors
Pre-driver configuration supporting external power MOSFETs
Built-in 5 V regulator for auxiliary circuit power
Automotive-grade reliability with wide thermal operating range

Applications

Automotive cooling fan systems
Electric power steering actuators
Industrial motion control drives

Procurement Notes

Verify the specific suffix KJPTR-T against the manufacturer datasheet to confirm pinout and packaging details. Ensure compatibility with the target load voltage range of 5.5 V to 50 V. Confirm moisture sensitivity level requirements for surface mount assembly processes. Check for any recent product change notices regarding material or supplier updates.

Selection Notes

Select this component when a dedicated three-phase BLDC controller with integrated direction logic is required. It is suitable for designs utilizing external power MOSFETs rather than integrated high-current drivers. Consider the 48-LQFP package for thermal dissipation needs in automotive environments. Verify that the parallel interface meets the system's microcontroller communication constraints.

Part Context

This part belongs to the A3930-1 series of motor controllers designed for robust automotive and industrial applications. It serves as a specialized solution for managing commutation and direction in brushless DC motors where external power stages are preferred for flexibility or higher current handling capabilities beyond the internal pre-driver limits.