ML4425 - Sensorless BLDC Motor Controller

Fairchild

ML4425 Datasheet Preview — Preview of ML4425 PDF

Datasheet Details

Part number	ML4425
Manufacturer	Fairchild ↗
File Size	167.71 KB
Description	Sensorless BLDC Motor Controller
Datasheet	ML4425_FairchildSemiconductor.pdf

ML4425 Product details

Description

The ML4425 PWM motor controller provides all of the functions necessary for starting and controlling the speed of delta or wye wound Brushless DC (BLDC) motors without Hall Effect sensors.

Features

Stand-alone operation Motor starts and stops with power to IC On-board start sequence: Align.
Ramp.
Set Speed Patented Back-EMF commutation technique provides jitterless torque for minimum “spin-up” time Onboard speed control loop PLL used for commutation provides noise immunity from PWM spikes, compared to noise sensitive zero crossing technique PWM control for maximum efﬁciency Direct FET drive for 12V motors; drives.

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Published: May 7, 2005 |