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A1448

Part Number	A1448
Manufacturer	Allegro MicroSystems
Description	Low-Voltage Full-Bridge Brushless DC Motor Driver
Published	Mar 19, 2010
Detailed Description	A1448 www.DataSheet4U.com Low-Voltage, Full-Bridge Brushless DC Motor Driver with Integrated Hall Sensor IC, PWM Speed ...
Datasheet	A1448 PDF File

Overview

A1448 www.
DataSheet4U.
com Low-Voltage, Full-Bridge Brushless DC Motor Driver with Integrated Hall Sensor IC, PWM Speed Control, Soft-Switching, and Reverse Battery and Short Circuit Protection Features and Benefits ▪ Low-voltage operation, 1.
8 to 4.
2 V ▪ Multifunction CONTROL pin input: ▫ Direct input PWM for speed control ▫ Active braking for fast stop cycle ▫ Sleep function to reduce average power consumption ▪ Reverse voltage protection on VDD and CONTROL pins ▪ Output thermal shutdown protection for robust performance ▪ Soft switching algorithm to reduce audible switching noise and EMI ▪ Hall chopper stabilization technique for precise signal response over operating range ▪ Antistall fe...

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