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3974 Arkusz danych (PDF) - Allegro MicroSystems

3974 Datasheet PDF - Allegro MicroSystems
Numer części 3974
Pobierz  3974 Pobierz

Rozmiar pliku   178.0 Kbytes
Page   12 Pages
Producent  ALLEGRO [Allegro MicroSystems]
Strona internetowa  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Szczegółowy opis DMOS DUAL FULL-BRIDGE PWM MOTOR DRIVER

3974 Datasheet (PDF)

Go To PDF Page Pobierz Arkusz danych
3974 Datasheet PDF - Allegro MicroSystems

Numer części 3974
Pobierz  3974 Click to download

Rozmiar pliku   178.0 Kbytes
Page   12 Pages
Producent  ALLEGRO [Allegro MicroSystems]
Strona internetowa  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Szczegółowy opis DMOS DUAL FULL-BRIDGE PWM MOTOR DRIVER

3974 Arkusz danych (HTML) - Allegro MicroSystems

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3974 Szczegóły Produktu

DMOS DUAL FULL-BRIDGE PWM MOTOR DRIVER

Designed for pulse-width modulated (PWM) current control of two dc motors, the A3974SED is capable of output currents to ±1.5 A and operating voltages to 50 V. Internal fixed off-time PWM current-control timing circuitry can be programmed via a serial interface to operate in slow, fast, and mixed current-decay modes.
Independant ENABLE input terminals are provided for use in controlling the speed and torque of each dc motor with externally applied PWM control signals.
Synchronous rectification circuitry allows the load current to flow through the low rDS(on) of the DMOS output driver during the current decay. This feature will eliminate the need for external clamp diodes in most applications, saving cost and external component count, while minimizing power dissipation.

FEATURES
■ ±1.5 A, 50 V Continuous Output Rating
■ Low rDS(on) DMOS Output Drivers
■ Programmable Slow, Fast, and Mixed Current-Decay Modes
■ Serial-Interface Controls Chip Functions
■ Synchronous Rectification for Low Power Dissipation
■ Internal UVLO and Thermal Shutdown Circuitry
■ Crossover-Current Protection
■ Sleep and Idle Modes




Podobny numer części - 3974

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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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