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A4941 Arkusz danych (PDF) - Allegro MicroSystems
A4941 Datasheet PDF - Allegro MicroSystems
Numer części A4941
Pobierz  A4941 Pobierz
Rozmiar pliku   226.05 Kbytes
Page   9 Pages
Producent  ALLEGRO [Allegro MicroSystems]
Strona internetowa  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Szczegółowy opis The A4941 three-phase motor driver incorporates BEMF sensing to eliminate the requirement for Hall sensors in fan applications.

A4941 Datasheet (PDF)

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A4941 Datasheet PDF - Allegro MicroSystems

Numer części A4941
Pobierz  A4941 Click to download

Rozmiar pliku   226.05 Kbytes
Page   9 Pages
Producent  ALLEGRO [Allegro MicroSystems]
Strona internetowa  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Szczegółowy opis The A4941 three-phase motor driver incorporates BEMF sensing to eliminate the requirement for Hall sensors in fan applications.

A4941 Arkusz danych (HTML) - Allegro MicroSystems


A4941 Szczegóły Produktu

Description

The A4941 three-phase motor driver incorporates BEMF sensing to eliminate the requirement for Hall sensors in fan applications.

A pulse wave modulated (PWM) input is provided to control motor speed, allowing system cost savings by eliminating external variable power supply. PWM input can also be used as an on/off switch to disable motor operation and place the IC into a low power standby mode.



Features and Benefits

• Sensorless (no Hall sensors required)

• Soft switching for reduced audible noise

• Minimal external components

• PWM speed input

• FG speed output

• Low power standby mode

• Lock detection

• Optional overcurrent protection

• Variant A automotive qualified to AEC-Q100 Grade 2




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O 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.

*Niniejsze informacje służą wyłącznie celom informacyjnym, nie ponosimy odpowiedzialności za jakiekolwiek straty lub szkody spowodowane przez powyższe informacje.




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