BD6669FV - Rohm

BD6669FV 3Phase spindle motor driver for CD-ROM

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 A31 A32 A21 A22 A11 A12 VM1 VH H1+ H1− H2+ H2− H3+ H3− GND CP1 CP2 VPUMP CNF SB RNF2 VCC VM2 ECR EC FG PS RNF1 Function Output3 for motor Output3 for motor Output2 for motor Output2 for motor Output1 for motor Output1 for motor Power supply fo driver Hall bias pin Ha.

Features

1) Direct-PWM-Linear driving system. 2) Built in power save circuit. 3) Built in current limit circuit. 4) Built in FG-output. 5) Built in hall bias circuit. 6) Built in reverse protection circuit. 7) Built in short brake circuit. 8) Low consumption by MOS-FET. 9) Built in capacitor for oscillator. 10) Built in rotation detect. zAbsolute maximum ratings (Ta=25°C) Parameter Power supply voltage Supply voltage for motor VG pin voltage Output current Power dissipation Junction temperature Operating temperature range Storage temperature range Symbol VCC VM VG IOMAX Pd TjMAX Topr Tstg Limits 7 7 .