BA6486FS - FDD spindle motor driver

Rohm

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Datasheet Details

Part number	BA6486FS
Manufacturer	ROHM
File Size	173.38 KB
Description	FDD spindle motor driver
Datasheet	BA6486FS_Rohm.pdf

BA6486FS Product details

Description

BA6486FS FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCC = 12V) 546 Motor driver ICs BA6486FS FCircuit operation (1) Motor drive circuit The motor driver is based on a 3-phase, full-wave soft switching, current drive system in which the position of rotor is sensed by Hall elements.The total drive current of motor is sensed by a small resistor (RNF) and regulated through a voltage comparison.The IC consists of Hall amplifiers, an amplitude control circuit, a driver, a

Features

1) 12V supply voltage. 2) 3-phase, full-wave soft switching drive system. 3) Digital servo circuit. 4) Power save circuit. FAbsolute maximum ratings (Ta = 25_C) 5) Hall power supply switch. 6) Motor speed changeable. 7) Index amplifier. FRecommended operating conditions (Ta = 25_C) 544 Motor driver ICs FBlock diagram BA6486FS 545 Motor driver ICs FPin.

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Published: Apr 1, 2005 |