Name: A3973SLB
Brand: Allegro MicroSystems, LLC
SKU: A3973SLB
Availability: InStock
Rating: 5 (186 reviews)

A3973SLB

For Reference Only

Part Number	A3973SLB
Manufacturer	Allegro MicroSystems, LLC
Description	IC MOTOR DRIVER SER 24SOIC
Datasheet	A3973SLB Datasheet A3973SLB Specifications
Package	24-SOIC (0.295", 7.50mm Width)
ECAD
In Stock	7,584 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Jun 4 - Jun 9 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # A3973SLB (PMIC - Motor Drivers, Controllers) is manufactured by Allegro MicroSystems, LLC and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For A3973SLB specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add A3973SLB with quantity into BOM. Heisener.com does NOT require any registration to request a quote of A3973SLB.

A3973SLB Specifications

Manufacturer	Allegro MicroSystems, LLC
Category	Integrated Circuits (ICs) - PMIC - Motor Drivers, Controllers
Package	24-SOIC (0.295", 7.50mm Width)
ECAD
Series	-
Motor Type - Stepper	Bipolar
Motor Type - AC, DC	-
Function	Driver - Fully Integrated, Control and Power Stage
Output Configuration	Half Bridge (4)
Interface	Serial
Technology	DMOS
Step Resolution	1 ~ 1/64
Applications	General Purpose
Current - Output	1A
Voltage - Supply	4.5 V ~ 5.5 V
Voltage - Load	15 V ~ 35 V
Operating Temperature	-20°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	24-SOIC (0.295", 7.50mm Width)
Supplier Device Package	24-SOIC

A3973SLB Datasheet

A3973SLB Reviews

Rash*****haudry

March 30, 2023

★ ★ ★ ★ ★

Most of the reviews for this product were positive so I took a chance.

Anak*****oseph

February 28, 2023

★ ★ ★ ★ ★

You guys and girls are fantastic! The selection is fantastic and service is great.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

A3973SLB Packaging

A3973SLB FAQ

1. How to order A3973SLB on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that A3973SLB is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the A3973SLB. All suppliers must pass our qualification reviews before they can publish their products including A3973SLB on Heisener; we pay more attention to the channels and quality of A3973SLB products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the A3973SLB price and inventory displayed accurate?

The price and inventory of A3973SLB fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

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

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

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 A3973SLB?

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 A3973SLB we delivered, we will accept the replacement or return of the A3973SLB 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 A3973SLB.

(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
7.How to contact us to get technical supports, such as A3973SLB pin diagram, A3973SLB datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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A3973SLB Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

A3973SLBTR

D# A3973SLBTR

Allegro MicroSystems LLC

Bipolar Motor Driver DMOS Serial 24-SOIC (Alt: A3973SLBTR)

RoHS: Not Compliant

Part Number	Manufacturer	Description	Stock
A3973SLB	Allegro MicroSystems LLC	IC MOTOR DRIVER SER 24SOIC	0
A3973SLBTR	Allegro MicroSystems LLC	IC MOTOR DRIVER SER 24SOIC	0
A3973SLBTR-T	Allegro MicroSystems LLC	IC MOTOR DRIVER SER 24SOIC	0
A3973SLB-T	Allegro MicroSystems LLC	IC MOTOR DRIVER SER 24SOIC	0

Part Number	Manufacturer	Description	Stock
A3973SLBTR-T D# 620-1142-2-ND	Allegro MicroSystems LLC	IC MTR DRV BIPLR 4.5-5.5V 24SOIC	0
A3973SLB D# A3973SLB-ND	Allegro MicroSystems LLC	IC MTR DRV BIPLR 4.5-5.5V 24SOIC	0
A3973SLB-T D# 620-1075-ND	Allegro MicroSystems LLC	IC MTR DRV BIPLR 4.5-5.5V 24SOIC	0
A3973SLBTR D# A3973SLBTR-ND	Allegro MicroSystems LLC	IC MTR DRV BIPLR 4.5-5.5V 24SOIC	0

Part Number

Manufacturer

Description

Stock

A3973SLBT

D# A3973SLBT

Allegro MicroSystems LLC

Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct

3537

A3973SLB

D# A3973SLB

Allegro MicroSystems LLC

1203

Part Number

Manufacturer

Description

Stock

A3973SLBT

Allegro MicroSystems LLC

In stock shipping within 2days

190

Part Number	Manufacturer	Description	Stock
A3973SLBT	Allegro MicroSystems LLC	OEM/CM QUOTES ONLY \| NO BROKERS	3306
A3973SLBTRT	Allegro MicroSystems LLC	OEM/CM QUOTES ONLY \| NO BROKERS	1323
A3973SLBES		OEM/CM QUOTES ONLY \| NO BROKERS	7
A3973SLBTR	Allegro MicroSystems LLC	OEM/CM QUOTES ONLY \| NO BROKERS	3968

Part Number

Manufacturer

Description

Stock

A3973SLBT

Allegro MicroSystems LLC

OEM/CM Immediate delivery

Part Number

Manufacturer

Description

Stock

A3973SLBTR

Allegro MicroSystems LLC

OEM/CM ONLY

2016

A3973SLBT

Allegro MicroSystems LLC

OEM/CM ONLY

6131

Part Number

Manufacturer

Description

Stock

A3973SLBT

Allegro MicroSystems LLC

IN stock Immediate delivery

Part Number

Manufacturer

Description

Stock

A3973SLBTR

Allegro MicroSystems LLC

shipping today

1987

A3973SLB

N/A

shipping today

331

Part Number	Manufacturer	Description	Stock
A3973SLBTR	Allegro MicroSystems LLC	RFQ	14501
A3973SLBTR-T	Allegro MicroSystems LLC	RFQ	3512
A3973SLB-T	Allegro MicroSystems LLC	RFQ	2022

Part Number

Manufacturer

Description

Stock

A3973SLBTR

Allegro MicroSystems LLC

IC MOTOR DRIVER SER 24SOIC

Quick Inquiry

A3973SLB

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO9001:2015, ICAS, IAF, UKAS