BA6477FS - FDD spindle motor driver

Rohm

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Datasheet Details

Part number	BA6477FS
Manufacturer	ROHM
File Size	170.56 KB
Description	FDD spindle motor driver
Datasheet	BA6477FS_Rohm.pdf

BA6477FS Product details

Description

BA6477FS 534 Motor driver ICs FInput / output circuits (1) Index input (1, 2 pin) BA6477FS (2) FG amplifier (3X5 pin) (3) Speed control (6 pin) (4) External clock input (7 pin) 535 Motor driver ICs (5) Motor output (11X15 pin) (6) Hall bias (16 pin) BA6477FS (7) Hall input (17X22 pin) (8) Integrating amplifier (28, 29 pin) (9) Speed discriminator output (30 pin) (10) Start / stop (31 pin) (11) Index output (32 pin) 536 Motor driver ICs FElectrical characteristics (unless oth

Features

1) 3-phase, full-wave soft switching drive system. 2) Digital servo circuit. 3) Power save circuit. FAbsolute maximum ratings (Ta = 25_C) 4) Hall power supply switch. 5) Motor speed changeable. 6) Index amplifier. FRecommended operating conditions (Ta = 25_C) 532 Motor driver ICs FBlock diagram BA6477FS 533 Motor driver ICs FPin.

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Published: Apr 1, 2005 |