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HomeProductsIntegrated Circuits (ICs)PMIC - Motor Drivers, ControllersA4939KLPTR-T
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A4939KLPTR-T - Allegro MicroSystems

Manufacturer Part Number
A4939KLPTR-T
Manufacturer
Allegro MicroSystems
Allelco Part Number
32D-A4939KLPTR-T
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC MTR DRV MULTI 5.5-50V 28TSSOP
Package
28-TSSOP-EP
Data sheet
1.A4939KLPTR-T.pdf ...

HTML Datasheet

A4939.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 22440
  • Unit Price: $1.392
  • Subtotal: $0.00

Want a better price?
Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $1.392 $1.39
200+ $0.539 $107.80
500+ $0.52 $260.00
1000+ $0.51 $510.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
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Our certification

Specifications

A4939KLPTR-T Tech Specifications
Allegro MicroSystems - A4939KLPTR-T technical specifications, attributes, parameters and parts with similar specifications to Allegro MicroSystems - A4939KLPTR-T

Product Attribute Attribute Value  
Manufacturer Allegro MicroSystems  
Voltage - Supply 5.5V ~ 50V  
Voltage - Load -  
Technology Power MOSFET  
Supplier Device Package 28-TSSOP-EP  
Step Resolution -  
Series -  
Package / Case 28-TSSOP (0.173", 4.40mm Width) Exposed Pad  
Package Tape & Reel (TR)  
Output Configuration Pre-Driver - Half Bridge (3)  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 150°C (TA)  
Mounting Type Surface Mount  
Motor Type - Stepper Multiphase  
Motor Type - AC, DC Brushless DC (BLDC)  
Interface Parallel  
Function Controller - Commutation, Direction Management  
Current - Output -  
Base Product Number A4939  
Applications Automotive  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

A4939KLPTR-T

Manufacturer

allegro-microsystems

Introduction

High-performance motor driver solution for multiphase and BLDC motors

Product Features and Performance

Controller for commutation and direction management

Pre-driver half bridge output configuration for 3 phases

Power MOSFET technology for efficient power handling

Surface mount 28-TSSOP with exposed pad for improved thermal dissipation

Automotive grade with high reliability

Product Advantages

Handles a wide voltage range, 5.5V to 50V

Capable of withstanding extreme temperatures, from -40°C to 150°C

Suitable for demanding automotive applications

Supports parallel interface for easy integration

Key Technical Parameters

Motor Type Stepper: Multiphase

Motor Type AC, DC: Brushless DC (BLDC)

Voltage Supply: 5.5V ~ 50V

Operating Temperature: -40°C ~ 150°C (TA)

Package / Case: 28-TSSOP (0.173", 4.40mm Width) Exposed Pad

Quality and Safety Features

Automotive grade qualification for high standard of performance

Rigid manufacturing and testing processes

Compatibility

Interfacing with a variety of microcontrollers through parallel interface

Versatile motor type compatibility with multiphase steppers and BLDC motors

Application Areas

Designed to cater to automotive motor control applications and other systems requiring precision motor management

Product Lifecycle

Product status: Active

Longevity of availability with no current indication of discontinuation

Several Key Reasons to Choose This Product

Proven efficacy in automotive environments and extreme conditions

Wide voltage operating range supporting diverse applications

Robust technology offering by a reputable manufacturer, allegro-microsystems

Integration simplicity with parallel interface

Advanced power MOSFET technology for efficient operation

Parts with Similar Specifications

The three parts on the right have similar specifications to Allegro MicroSystems A4939KLPTR-T

Product Attribute A4939KLPTR-5-T A4939KLPTR-3-T A4941KLPTR-T A4940KLPTR-T
Part Number A4939KLPTR-5-T A4939KLPTR-3-T A4941KLPTR-T A4940KLPTR-T
Manufacturer Allegro MicroSystems Allegro MicroSystems Allegro MicroSystems Allegro MicroSystems
Applications - - - -
Current - Output - - - -
Voltage - Load - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Motor Type - AC, DC - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Function - - - -
Series - - - -
Motor Type - Stepper - - - -
Technology - - - -
Interface - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Output Configuration - - - -
Step Resolution - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Supply - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

A4939KLPTR-T Datasheet PDF

Download A4939KLPTR-T pdf datasheets and Allegro MicroSystems documentation for A4939KLPTR-T - Allegro MicroSystems.

HTML Datasheet
A4939.pdf
PCN Packaging
Tape Change 27/Jan/2023.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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A4939KLPTR-T Image

A4939KLPTR-T

Allegro MicroSystems
32D-A4939KLPTR-T

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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