A1444 Datasheet - Allegro

A1444, Low-Voltage Full-Bridge Brushless DC Motor Driver

A1444 and A1445 Low-Voltage Full-Bridge Brushless DC Motor Driver with Hall Commutation, Externally Controlled Speed Regulation, Soft Switching, and R.
TheA1444 andA1445 are full-bridge motor drivers designed to drive low-voltage brushless DC (BLDC) motors in applications that require rotor speed cont.

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Datasheet Details

Part number:

A1444

Manufacturer:

Allegro

File Size:

314.21 KB

Description:

Low-Voltage Full-Bridge Brushless DC Motor Driver

Features

* ▪ Low voltage operation: 1.8 to 4.2 V ▪ Externally controlled motor speed regulation ▪ Fast motor startup and braking function allows faster start-stop cycles ▪ Reverse voltage protection on the VDD and S¯¯L¯¯E¯¯E¯¯P pins ▪ Output short circuit and thermal shutdown protection ▪ Soft switching algori

Applications

* that require rotor speed control and fast rotor start-stop cycles. A high density CMOS semiconductor process allows the integration of a Hall element, a full-bridge output driver, and PWM speed control logic into one monolithic IC. Commutation of the motor is achieved by use of a single Hall element

A1444 Distributors

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A1444 Low-Voltage Full-Bridge Brushless Motor Driver Allegro

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