AN8470NSA - Panasonic Semiconductor

AN8470NSA Spindle motor driver

Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol A2 RNF2 A1 N.C. N.C. VM1 Start VH VDD GND BC4 BC3 BC2 BC1 VPUMP N.C. Description Drive output 2 Current det. pin 2 Drive output 1 N.C. N.C. Motor supply voltage pin 1 Start/stop changeover pin Hall bias pin Supply voltage pin Ground pin Booster capacitor connection pin 4 Booster capacitor connection pin .

Features

• Low power consumption due to a direct PWM system
• With start and stop pin
• Reverse breaking by EC/ECR voltage
• With Hall bias pin
• Surface-mount small package 8.1±0.3 0.65±0.10 1 16 0.2
  –0.05 1.5±0.2 +0.10 (0.625) 0.65 0.3
  –0.05 +0.10 s Applications
• High speed CD-ROM drive PD, DVD, CD-R, CD-RW drives Seating plane 0.65±0.10 0.1±0.1 (0.5) SSOP032-P-0300 VPUMP s Block Diagram VDD BC4 BC3 BC2 BC1 9 11 12 13 14 15 Start FG 7 24 Start/stop Step-up voltage circuit OSC H1H H1L H2H H2L H3H H3L VH 23 22 21 19 18 Amp. 17 8 Hall bias Hall amp. matrix Distributor circu.