M63021FP

Preliminary [FEATURES] This IC is 1 chip driver IC for spindle motor and 5 channel actuators. All of the motor and actuator of optical disk drive system (CD-ROM etc.) can be drived by only this IC. This IC has a direct PWM control system for Spindle and Slide channels drive due to reducing IC power dissipation. This IC has three voltage supply terminals (for Spindle, Slide,Focus/Tracking and Loading) , and three voltage supply can be set separately. Further more this IC has short braking select function,FG amplifier, thermal shut down circuit, standby circuit, reverse rotation detect circuit. MITSUBISHI SEMICONDUCTORS M63021FP SPINDLE MOTOR AND 5CH ACTUATOR DRIVER PIN CONFIGURATION SL1IN SL2IN VM2 RSL2 SL2+ SL2GND RSL1 SL1+ SL1GND W V U RSP HwHw+ HvHv+ HuHu+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 (Top View) 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 OSC MU1 LOIN+ VM3 BRS LOLO+ FOFO+ GND TO+ TO5VCC GND TOIN FOIN SPIN REF FG HB VM1 [APPLICATION] Package outline : 42 PIN POWER SSOP (42P9R-B) CD-ROM, DVD, DVD-ROM, DVD-RAM ,Optical disc related system,etc [BLOCK DIAGRAM] s FG FG Reverse Detect s s s HU+ HUHV+ HVHW+ HWHall Bias CTL amp. Direction comp. Current comp. CTL amp. Direction comp. Current comp. CTL amp. Direction comp. Current comp. TSD BIAS MU1 120∫ MATRIX Logic Logic SPIN REF SL1IN SL2IN Frequency generator OSC 5V power supply FOIN TOIN Regulator X1 2 X12 X8 (1 / 17) REV990728 Preliminary [PIN FUNCTION] TERMINA...