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HomeProductsIntegrated Circuits (ICs)PMIC - Motor Drivers, ControllersA4942GESTR-T
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A4942GESTR-T - Allegro MicroSystems

Manufacturer Part Number
A4942GESTR-T
Manufacturer
Allegro MicroSystems
Allelco Part Number
32D-A4942GESTR-T
ECAD Model
Parts Description
IC MOTOR DRIVER 20QFN
Detailed Description
Package
20-WFQFN Exposed Pad
Data sheet
A4942.pdf
RoHs Status
ROHS3 Compliant
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In stock: 18239

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Specifications

A4942GESTR-T Tech Specifications
Allegro MicroSystems - A4942GESTR-T technical specifications, attributes, parameters and parts with similar specifications to Allegro MicroSystems - A4942GESTR-T

Product Attribute Attribute Value  
Manufacturer Allegro MicroSystems  
Voltage - Supply -  
Voltage - Load -  
Technology Power MOSFET  
Supplier Device Package 20-QFN-EP (4x4)  
Step Resolution -  
Series -  
Package / Case 20-WFQFN Exposed Pad  
Package Tape & Reel (TR)  
Output Configuration Half Bridge (3)  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 105°C (TA)  
Mounting Type Surface Mount  
Motor Type - Stepper -  
Motor Type - AC, DC Brushless DC (BLDC)  
Interface PWM  
Function Driver - Fully Integrated, Control and Power Stage  
Current - Output -  
Base Product Number A4942  
Applications Fan Motor Driver  

Parts Introduction

Manufacturer Part Number

A4942GESTR-T

Manufacturer

allegro-microsystems

Introduction

Integrate and control solution for Brushless DC motor applications

Product Features and Performance

Fully Integrated Driver and Power Stage for BLDC Motors

Half Bridge Output Configuration with 3 Phases

Integrated PWM Interface for easy control

Built with Power MOSFET Technology

Enhanced thermal performance 20-WFQFN Exposed Pad

Broad Operating Temperature Range -40°C to 105°C

Product Advantages

High integration reduces external component count

Designed for energy efficiency and extended battery life

Robust thermal management for improved reliability

Key Technical Parameters

Technology: Power MOSFET

Interface: PWM

Package / Case: 20-WFQFN Exposed Pad

Supplier Device Package: 20-QFN-EP (4x4)

Quality and Safety Features

Extended Operating Temperature Range

Designed for stringent automotive applications

Compatibility

Applicable for BLDC motors in typical fan motor driver systems

Application Areas

Primarily designed for fan motor driver applications

Product Lifecycle

Product Status: Active

No indication of discontinuation and availability of replacements or upgrades

Several Key Reasons to Choose This Product

High integration simplifies design and assembly processes

Efficient power management for lower energy consumption

Designed for automotive-grade reliability and safety

Wide operational temperature range ensures performance in harsh conditions

The product is actively supported and manufactured by Allegro Microsystems

Industry-standard packaging compatible with modern SMT assembly lines

Parts with Similar Specifications

The three parts on the right have similar specifications to Allegro MicroSystems A4942GESTR-T

Product Attribute A4942GESTR-T A4945GLJTR-T A4939KLPTR-5-T A4938EETTR-T
Part Number A4942GESTR-T A4945GLJTR-T A4939KLPTR-5-T A4938EETTR-T
Manufacturer Allegro MicroSystems Allegro MicroSystems Allegro MicroSystems Allegro MicroSystems
Function Driver - Fully Integrated, Control and Power Stage Fan Control Controller - Commutation, Direction Management Controller - Commutation, Direction Management
Motor Type - AC, DC Brushless DC (BLDC) Brushless DC (BLDC) Brushless DC (BLDC) Brushless DC (BLDC)
Step Resolution - - - -
Current - Output - 1.8A - -
Package / Case 20-WFQFN Exposed Pad 8-SOIC (0.154', 3.90mm Width) Exposed Pad 28-TSSOP (0.173", 4.40mm Width) Exposed Pad 28-VFQFN Exposed Pad
Output Configuration Half Bridge (3) Half Bridge (3) Pre-Driver - Half Bridge (3) Pre-Driver - Half Bridge (3)
Supplier Device Package 20-QFN-EP (4x4) 8-SOIC-EP 28-TSSOP-EP 28-QFN (5x5)
Applications Fan Motor Driver Fan Motor Driver Automotive General Purpose
Series - - - -
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Technology Power MOSFET Power MOSFET Power MOSFET Power MOSFET
Interface PWM Analog Parallel Parallel
Base Product Number A4942 A4945 A4939 A4938
Voltage - Load - - - -
Operating Temperature -40°C ~ 105°C (TA) -40°C ~ 105°C (TA) -40°C ~ 150°C (TA) -40°C ~ 85°C (TA)
Motor Type - Stepper - Multiphase - -
Voltage - Supply - 4V ~ 18V 5.5V ~ 50V 8.5V ~ 30V

A4942GESTR-T Datasheet PDF

Download A4942GESTR-T pdf datasheets and Allegro MicroSystems documentation for A4942GESTR-T - Allegro MicroSystems.

Datasheets
A4942.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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A4942GESTR-T Image

A4942GESTR-T

Allegro MicroSystems
32D-A4942GESTR-T

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