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A4406 Fiches technique (PDF) - Allegro MicroSystems

A4406 Datasheet PDF - Allegro MicroSystems
No de pièce A4406
Télécharger  A4406 Télécharger

Taille du fichier   1581.85 Kbytes
Page   27 Pages
Fabricant  ALLEGRO [Allegro MicroSystems]
Site Internet  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description The A4406 is an automotive power management IC that uses a high frequency constant on-time 5.45 V pre-regulator to supply an internal 5 V linear regulator and a 3.3 V linear DMOS driver.

A4406 Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
A4406 Datasheet PDF - Allegro MicroSystems

No de pièce A4406
Télécharger  A4406 Click to download

Taille du fichier   1581.85 Kbytes
Page   27 Pages
Fabricant  ALLEGRO [Allegro MicroSystems]
Site Internet  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description The A4406 is an automotive power management IC that uses a high frequency constant on-time 5.45 V pre-regulator to supply an internal 5 V linear regulator and a 3.3 V linear DMOS driver.

A4406 Fiches technique (HTML) - Allegro MicroSystems

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A4406 Détails du produit

Description

The A4406 is an automotive power management IC that uses a high frequency constant on-time 5.45 V pre-regulator to supply an internal 5 V linear regulator and a 3.3 V linear DMOS driver. Designed to supply CAN and microprocessor power supplies in high temperature environments, the A4406 is ideal for under hood applications. Efficient operation is achieved by using a buck pre-regulator to efficiently drop the input voltage before supplying the linear regulators; this reduces power dissipation and increases overall regulator efficiency.



Features and Benefits

• AEC Q100 Grade 0 qualified

• Internal buck pre-regulator followed by LDO outputs

• 5.5 to 36 V VIN operating range (50 V maximum);

for start/stop, cold crank, and load dump requirements

• 2.2 MHz constant on-time buck regulator

• 50 V absolute maximum input voltage for surges

• Valley current sensing achieves shortest buck on-times

• 5.5 to 46 V input voltage range

• −40ºC to 150ºC junction temperature range

• Power-on reset (NPOR pin) with adjustable rising delay

• 5 V (V5P pin) internal low dropout tracking linear regulator with both overcurrent foldback and short-to-battery protection

• 3.3 V (V33 pin) external linear regulator DMOS driver overcurrent foldback protection

• Logic enable input (ENB pin)

• Ignition enable input (ENBAT pin)

• Ignition status indicator (ENBATS pin)

• Buck pulse-by-pulse overcurrent protection

• Buck LX short circuit protection (latched)

• Missing asynchronous diode protection (latched)

• Switcher (VREG pin), 3.3 V (V33 pin), and charge pump (VCP pin) undervoltage lockout protection (UVLO)

• Thermal shutdown protection (TSD)



Applications:

Automotive Control Modules, such as:

• Electronic power steering (EPS)

• Transmission control (TCU)

• Antilock braking (ABS)

• Emissions control




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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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