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A6278 Fiches technique (PDF) - Allegro MicroSystems

A6278 Datasheet PDF - Allegro MicroSystems
No de pièce A6278
Télécharger  A6278 Télécharger

Taille du fichier   621.09 Kbytes
Page   18 Pages
Fabricant  ALLEGRO [Allegro MicroSystems]
Site Internet  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description Serial-Input Constant-Current Latched LED Drivers with Open LED Detection

A6278 Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
A6278 Datasheet PDF - Allegro MicroSystems

No de pièce A6278
Télécharger  A6278 Click to download

Taille du fichier   621.09 Kbytes
Page   18 Pages
Fabricant  ALLEGRO [Allegro MicroSystems]
Site Internet  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description Serial-Input Constant-Current Latched LED Drivers with Open LED Detection

A6278 Fiches technique (HTML) - Allegro MicroSystems

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A6278 Détails du produit

Description

The A6278 and A6279 devices are specifically designed for LED display applications. Each of these BiCMOS devices includes a CMOS shift register, accompanying data latches, and NPN constant-current sink drivers. The A6278 contains 8 sink drivers, while there are 16 in the A6279.

The CMOS shift register and latches allow direct interfacing with microprocessor-based systems. With a 3.3 or 5 V logic supply, typical serial data-input rates can reach up to 25 MHz. The LED drive current is determined by the user’s selection of a single resistor. A CMOS serial data output permits cascading between multiple devices in applications requiring additional drive lines. Open LED connections can be detected and signaled back to the host microprocessor through the SERIAL DATA OUT pin.



Features and Benefits

▪ 3.0 to 5.5 V logic supply range

▪ Schmitt trigger inputs for improved noise immunity

▪ Power-On Reset (POR)

▪ Up to 90 mA constant-current sinking outputs

▪ LED open circuit detection

▪ Low-power CMOS logic and latches

▪ High data input rate

▪ 20 ns typical staggering delay on the outputs

▪ Internal UVLO and thermal shutdown (TSD) circuitry



 




Numéro de pièce similaire - A6278

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Description similaire - A6278

FabricantNo de pièceFiches techniqueDescription
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A6275EA-T ALLEGRO-A6275EA-T Datasheet
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A6275ELWTR-T ALLEGRO-A6275ELWTR-T Datasheet
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Texas Instruments
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TLC5928 TI1-TLC5928_17 Datasheet
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À propos de 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.

*Ces informations sont fournies à titre informatif uniquement, nous ne serons pas responsables des pertes ou dommages causés par les informations ci-dessus.




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