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HomeProductsIntegrated Circuits (ICs)PMIC - Motor Drivers, ControllersA3953SLB
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A3953SLB - Allegro MicroSystems

Manufacturer Part Number
A3953SLB
Manufacturer
Allegro MicroSystems
Allelco Part Number
32D-A3953SLB
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC MTR DRV BIPOLAR 3-5.5V 16SOIC
Package
16-SOIC
Data sheet
1.A3953SLB.pdf ...

HTML Datasheet

A3953.pdf
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Specifications

A3953SLB Tech Specifications
Allegro MicroSystems - A3953SLB technical specifications, attributes, parameters and parts with similar specifications to Allegro MicroSystems - A3953SLB

Product Attribute Attribute Value  
Manufacturer Allegro MicroSystems  
Voltage - Supply 3V ~ 5.5V  
Voltage - Load 3V ~ 50V  
Technology Bipolar  
Supplier Device Package 16-SOIC  
Step Resolution -  
Series -  
Package / Case 16-PowerSOIC (0.295", 7.50mm Width)  
Package Tube  
Output Configuration Half Bridge (2)  
Product Attribute Attribute Value  
Operating Temperature -20°C ~ 150°C (TJ)  
Mounting Type Surface Mount  
Motor Type - Stepper Bipolar  
Motor Type - AC, DC Brushed DC  
Interface Parallel  
Function Driver - Fully Integrated, Control and Power Stage  
Current - Output 1.3A  
Base Product Number A3953  
Applications General Purpose  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

A3953SLB

Manufacturer

Allegro MicroSystems

Introduction

Integrated circuit (IC) for motor driver and control applications

Product Features and Performance

Fully integrated driver with control and power stage

Capable of driving 1.3A continuous current

Operating voltage range of 3V to 5.5V

Wide load voltage range of 3V to 50V

Suitable for driving brushed DC and bipolar stepper motors

Parallel interface

Product Advantages

Fully integrated solution reduces component count

Wide operating voltage and current ranges

Supports both brushed DC and bipolar stepper motors

Key Technical Parameters

Package: 16-SOIC

Mounting type: Surface mount

Operating temperature range: -20°C to 150°C

Quality and Safety Features

RoHS non-compliant

Compatibility

Compatible with a variety of motors, including brushed DC and bipolar stepper motors

Application Areas

General purpose motor control applications

Product Lifecycle

Active product, no information on pending discontinuation

Replacement or upgrade options may be available from the manufacturer

Key Reasons to Choose This Product

Fully integrated solution for simplified design

Wide operating voltage and current ranges to accommodate various motor requirements

Supports both brushed DC and bipolar stepper motors for versatility

Surface mount package for efficient PCB integration

Parts with Similar Specifications

The three parts on the right have similar specifications to Allegro MicroSystems A3953SLB

Product Attribute A3953SLB-T A3953SLBTR-T A3955SLB A3953SB
Part Number A3953SLB-T A3953SLBTR-T A3955SLB A3953SB
Manufacturer Allegro MicroSystems Allegro MicroSystems Allegro MicroSystems Allegro MicroSystems
Voltage - Supply - - - -
Applications - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Motor Type - AC, DC - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Interface - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Technology - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Step Resolution - - - -
Motor Type - Stepper - - - -
Function - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Current - Output - - - -
Voltage - Load - - - -
Series - - - -
Output Configuration - - - -

A3953SLB Datasheet PDF

Download A3953SLB pdf datasheets and Allegro MicroSystems documentation for A3953SLB - Allegro MicroSystems.

HTML Datasheet
A3953.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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A3953SLB Image

A3953SLB

Allegro MicroSystems
32D-A3953SLB

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