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Name: A4931METTR-T
Brand: Allegro MicroSystems
SKU: A4931METTR-T
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Allegro MicroSystems A4931METTR-T

Part No.:: A4931METTR-T

Manufacturer:: Allegro MicroSystems

Package:: 28-VFQFN Exposed Pad

Datasheet:: A4931METTR-T.pdf

Description:: IC MOTOR DRIVER 8V-37.5V 28QFN

In Stock:: 3527

Quantity:: Add To Cart

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A4931METTR-T Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
MotorType-Stepper:
-
MotorType-ACDC:
Brushless DC (BLDC)
Function:
Controller - Commutation, Direction Management
OutputConfiguration:
Pre-Driver - Half Bridge (3)
Interface:
Parallel
Technology:
Power MOSFET
StepResolution:
-
Applications:
General Purpose
Current-Output:
-
Voltage-Supply:
8V ~ 37.5V
Voltage-Load:
-
OperatingTemperature:
-20°C ~ 105°C (TA)
MountingType:
Surface Mount

A4931METTR-T this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including A4931METTR-T price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for A4931METTR-T to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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A4931METTR-T information

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A4931METTR-T Typical application Circuitry

A4931METTR-T

The A4931METTR-T is a three-phase motor driver integrated circuit (IC) designed by Allegro Microsystems. This powerful IC is specifically engineered for precision control of varying types of three-phase brushless DC (BLDC) motors, making it a pivotal component in applications that require robust and efficient motor control.

Application Scenarios

A4931METTR-T is ideal for:

- Automotive Applications: Driving BLDC motors in vehicle HVAC systems.

- Industrial Automation: Control of conveyor belt motors.

- Drone Propulsion Systems: Managing the BLDC motors used in drones for precise speed and direction control.

Parameter Features

The A4931METTR-T boasts several notable features:

- Three-Phase Motor Drive: Capable of driving a wide range of BLDC motors.

- High Voltage Operation: Supports motor power supply voltages up to 50V, accommodating a broad spectrum of motor types.

- Integrated Hall Sensor Interface: Enables rotor position sensing by direct connection to Hall sensors.

- Overcurrent Protection: Increases motor operations' dependability and safety.

Specific Application Circuit: Automotive HVAC System

Focusing on an automotive HVAC system, the A4931METTR-T can be utilized to control the BLDC motor that drives the blower fan. Detailed connection guidance includes:

1.Power Supply Connection: Connect the motor power supply to the VBB pins (pins 28 and 18). The A4931METTR-T's ability to handle high voltages ensures compatibility with automotive power systems.

2.Ground Connection: Attach all ground pins (PGND and SGND) to the system ground to establish a stable reference point and ensure proper IC operation.

3.Hall Sensor Inputs: Connect the Hall sensor outputs from the BLDC motor to the HALL A (pin 25), HALL B (pin 24), and HALL C (pin 23) inputs of the A4931METTR-T. These inputs enable the IC to determine the rotor's position accurately.

4.Motor Phase Outputs: Connect the motor phase windings to the OUTA (pins 19 and 20), OUTB (pins 14 and 15), and OUTC (pins 9 and 10) outputs. The A4931METTR-T controls these outputs to drive the motor based on the Hall sensor feedback and the control inputs.

5.Control Inputs: The PWM and direction control signals from the automotive system's control unit should be connected to the PWM (pin 3) and DIR (pin 2) pins, respectively, allowing for precise speed and direction control of the motor.

Circuit Design Considerations

Designing with the A4931METTR-T requires mindful consideration of several factors:

- Power Supply Requirements: Ensure that the motor's power supply matches the A4931METTR-T's voltage specifications to avoid damage.

- Heat Dissipation: Since motor drivers can produce a lot of heat when operating, make sure you have enough heat sinking or cooling devices in place.

- PCB Layout: Design the PCB to minimize the path resistance and inductance between the power supply, the A4931METTR-T, and the motor to reduce power loss and electromagnetic interference (EMI).

- Protection Features Utilization: Take full advantage of the A4931METTR-T's built-in protection features to enhance the system's safety and reliability.

Incorporating the A4931METTR-T in an automotive HVAC system not only ensures efficient and precise control of the blower fan's BLDC motor but also contributes to the overall comfort and satisfaction of the vehicle occupants by providing reliable and responsive climate control.

A4931METTR-T FAQ

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We have a professional and experienced quality control team to strictly verify and test the A4931METTR-T. All suppliers must pass our qualification reviews before they can publish their products including A4931METTR-T on icwhale.com; we pay more attention to the channels and quality of A4931METTR-T products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the A4931METTR-T price and inventory displayed accurate?

The price and inventory of A4931METTR-T fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

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5. How is the shipping arranged?

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Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of A4931METTR-T?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the A4931METTR-T we delivered, we will accept the replacement or return of the A4931METTR-T only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of A4931METTR-T.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations