BD6670FM Datasheet (Rohm) - 3-phase spindle motor driver for CD-RW

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

Pin No.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Pin name H 1+ H 1 * 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

BD6670FM 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 M