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HomeProductsIntegrated Circuits (ICs)PMIC - Motor Drivers, ControllersA3974SED
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A3974SED - Allegro MicroSystems

Manufacturer Part Number
A3974SED
Manufacturer
Allegro MicroSystems
Allelco Part Number
32D-A3974SED
ECAD Model
Parts Description
IC MOTOR DRIVER 4.5V-5.5V 44PLCC
Detailed Description
Package
44-LCC (J-Lead)
Data sheet
A3974.pdf
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In stock: 6530

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Specifications

A3974SED Tech Specifications
Allegro MicroSystems - A3974SED technical specifications, attributes, parameters and parts with similar specifications to Allegro MicroSystems - A3974SED

Product Attribute Attribute Value  
Manufacturer Allegro MicroSystems  
Voltage - Supply 4.5V ~ 5.5V  
Voltage - Load 15V ~ 50V  
Technology DMOS  
Supplier Device Package 44-PLCC (16.59x16.59)  
Step Resolution -  
Series -  
Package / Case 44-LCC (J-Lead)  
Package Tube  
Output Configuration Half Bridge (4)  
Product Attribute Attribute Value  
Operating Temperature -20°C ~ 150°C (TJ)  
Mounting Type Surface Mount  
Motor Type - Stepper -  
Motor Type - AC, DC Brushed DC  
Interface Serial  
Function Driver - Fully Integrated, Control and Power Stage  
Current - Output 1.5A  
Base Product Number A3974  
Applications General Purpose  

Parts Introduction

Manufacturer Part Number

A3974SED

Manufacturer

Allegro Microsystems

Introduction

The A3974SED is a power management integrated motor driver specifically designed for brushed DC motors.

Product Features and Performance

Fully integrated control and power stage

Half Bridge (4) output configuration

Serial interface for communication

DMOS technology for efficiency

Supports a wide range of supply and load voltages

Product Advantages

Optimized for general purpose use

High temperature operational range

Integrated DMOS outputs minimize external component count

Key Technical Parameters

Output Current: 1.5A

Supply Voltage: 4.5V to 5.5V

Load Voltage: 15V to 50V

Operating Temperature Range: -20°C to 150°C TJ

Quality and Safety Features

Designed to withstand harsh operating conditions

Integrated thermal shutdown feature

Compatibility

Suitable for a broad range of brushed DC motor applications

Ease of interfacing with serial communication

Application Areas

General-purpose motor control applications

Product Lifecycle

Obsolete

End of life with no direct replacement or upgrade offered

Several Key Reasons to Choose This Product

High integration for a simplified design approach

DMOS technology for improved performance and efficiency

Versatile voltage handling capabilities

Robust operating temperature range to suit challenging environments

Proven reliability from a reputable manufacturer, Allegro Microsystems

Parts with Similar Specifications

The three parts on the right have similar specifications to Allegro MicroSystems A3974SED

Product Attribute A3974SED A3974SEDTR-T A3973SLBTR-T A3969SETTR-T
Part Number A3974SED A3974SEDTR-T A3973SLBTR-T A3969SETTR-T
Manufacturer Allegro MicroSystems Allegro MicroSystems Allegro MicroSystems Allegro MicroSystems
Base Product Number A3974 A3974 A3973 A3969
Motor Type - AC, DC Brushed DC Brushed DC - -
Technology DMOS DMOS DMOS Bipolar
Voltage - Load 15V ~ 50V 15V ~ 50V 15V ~ 35V 5V ~ 30V
Interface Serial Serial Serial Parallel
Output Configuration Half Bridge (4) Half Bridge (4) Half Bridge (4) Half Bridge (4)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Applications General Purpose General Purpose General Purpose General Purpose
Supplier Device Package 44-PLCC (16.59x16.59) 44-PLCC (16.59x16.59) 24-SOIC 28-QFN (5x5)
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 3V ~ 3.6V
Package / Case 44-LCC (J-Lead) 44-LCC (J-Lead) 24-SOIC (0.295", 7.50mm Width) 28-VFQFN Exposed Pad
Operating Temperature -20°C ~ 150°C (TJ) -20°C ~ 150°C (TJ) -20°C ~ 150°C (TJ) -20°C ~ 150°C (TJ)
Package Tube Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Step Resolution - - 1 ~ 1/64 -
Series - - - -
Motor Type - Stepper - - Bipolar Bipolar
Current - Output 1.5A 1.5A 1A 650mA
Function Driver - Fully Integrated, Control and Power Stage Driver - Fully Integrated, Control and Power Stage Driver - Fully Integrated, Control and Power Stage Driver - Fully Integrated, Control and Power Stage

A3974SED Datasheet PDF

Download A3974SED pdf datasheets and Allegro MicroSystems documentation for A3974SED - Allegro MicroSystems.

Datasheets
A3974.pdf
PCN Packaging
Tape Change 27/Jan/2023.pdf

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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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A3974SED Image

A3974SED

Allegro MicroSystems
32D-A3974SED

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