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A3986 Datasheet (PDF) - Allegro MicroSystems

A3986 Datasheet PDF - Allegro MicroSystems
Part # A3986
Download  A3986 Download
File Size   483.72 Kbytes
Page   16 Pages
Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description Dual Full-Bridge MOSFET Driver with Microstepping Translator

A3986 Datasheet (PDF)

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A3986 Datasheet PDF - Allegro MicroSystems

Part # A3986
Download  A3986 Click to download

File Size   483.72 Kbytes
Page   16 Pages
Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description Dual Full-Bridge MOSFET Driver with Microstepping Translator

A3986 Datasheet (HTML) - Allegro MicroSystems


A3986 Product details

Description

The A3986 is a dual full-bridge gate driver with integrated microstepping translator suitable for driving a wide range of higher power industrial bipolar 2-phase stepper motors (typically 30 to 500 W). Motor power is provided by external N-channel power MOSFETs at supply voltages from 12 to 50 V.

This device contains two sinusoidal DACs that generate the reference voltage for two separate fixed-off-time PWM current controllers. These provide current regulation for external power MOSFET full-bridges.



Features and Benefits

▪ 2-wire step and direction interface

▪ Dual full-bridge gate drive for N-channel MOSFETs

▪ Operation over 12 to 50 V supply voltage range

▪ Synchronous rectification

▪ Cross-conduction protection

▪ Adjustable mixed decay

▪ Integrated sinusoidal DAC current reference

▪ Fixed off-time PWM current control



 




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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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