BD6670FM - 3-phase spindle motor driver for CD-RW

Product Overview

Rohm

Datasheet Details

Part number	BD6670FM
Manufacturer	ROHM
File Size	197.44 KB
Description	3-phase spindle motor driver for CD-RW
Datasheet	BD6670FM Datasheet
Additional preview pages of the BD6670FM datasheet.

Product details

Description

Pin No. H 2+ H 2 H 3+ H 3 GSW GND CP1 CP2 VG CNF SB VCC VM ECR EC PS RNF2 A3 RNF1 A2 RNF1 A1 VM VH FG FG3 Function Hall input AMP 1 positive input Hall input AMP 1 negative input Hall input AMP 2 positive input Hall input AMP 2 negative input Hall input AMP 3 positive input Hall input AMP 3 negative input Gain switch pin GND Capacitor pin 1 for charge pump Capacitor pin 2 for

Features

1) 180 degree Direct-PWM driving system. 2) Built in power save circuit. 3) Built in current limit circuit. 4) Built in FG-output. 5) Built in 3phase synthesized FG-output. 6) Built in hall bias circuit. 7) Built in reverse protection circuit. 8) Built in short brake circuit. 9) Low consumption by MOS-FET. 10) Built in capacitor for oscillator. 11) Built in gain switch and current limit switch. !Absolute maximum ratings (Ta=25°C) Parameter Power supply voltage Supply voltage for motor VG pin vo.

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Published: Dec 26, 2005 |