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A4984 Datasheet (PDF) - Allegro MicroSystems

A4984 Datasheet PDF - Allegro MicroSystems
Part # A4984
Download  A4984 Download

File Size   425.14 Kbytes
Page   21 Pages
Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description DMOS Microstepping Driver with Translator and Overcurrent Protection

A4984 Datasheet (PDF)

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A4984 Datasheet PDF - Allegro MicroSystems

Part # A4984
Download  A4984 Click to download

File Size   425.14 Kbytes
Page   21 Pages
Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description DMOS Microstepping Driver with Translator and Overcurrent Protection

A4984 Datasheet (HTML) - Allegro MicroSystems

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A4984 Product details

Description

The A4984 is a complete microstepping motor driver with built-in translator for easy operation. It is designed to operate bipolar stepper motors in full-, half-, quarter-, and eighth-step modes. Step modes are selectable by MSx logic inputs. It has an output drive capacity of up to 35 V and ±2 A. The A4984 includes a fixed off-time current regulator which has the ability to operate in Slow or Mixed decay modes.



Features and Benefits

▪ Low RDS(ON) outputs

▪ Automatic current decay mode detection/selection

▪ Mixed and Slow current decay modes

▪ Synchronous rectification for low power dissipation

▪ Internal UVLO

▪ Crossover-current protection

▪ 3.3 and 5 V compatible logic supply

▪ Thin profile QFN and TSSOP packages

▪ Thermal shutdown circuitry

▪ Short-to-ground protection

▪ Shorted load protection

▪ Low current Sleep mode, < 10 μA

▪ No smoke no fire (NSNF) compliance (ET package)




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About Allegro MicroSystems


Allegro MicroSystems is a semiconductor company that designs, manufactures, and markets high-performance power and sensing solutions. The company was founded in 1990 and is headquartered in Manchester, New Hampshire, USA.

Allegro MicroSystems' product portfolio includes Hall-effect sensors, power ICs, motor drivers, and magnetic digital position sensors. These products are used in a wide range of applications, including automotive, industrial, and consumer electronics.

Allegro MicroSystems is known for its expertise in magnetic sensing technology, which is used in many of its products. The company's products are designed to meet the highest standards of performance and reliability, and are manufactured using the latest technology and materials. Allegro MicroSystems also offers custom design and engineering services to meet the specific needs of its customers.

Allegro MicroSystems has a global presence, with sales offices and representatives located around the world. The company is dedicated to delivering innovative and reliable power and sensing solutions that meet the evolving needs of the electronics industry. In 2021, Allegro MicroSystems went public through an initial public offering (IPO) on the NASDAQ stock exchange.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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