HA13566AF

HA13566AF Combo (Spindle & VCM) Driver ADE-207-250 (Z) 1st Edition December 1997 Description The HA13566AF is combination of Spindle and VCM Driver designed for HDD and have following functions and features. Functions 1.0 A max/3-phase spindle motor driver 400 mA max VCM driver 100 mA max retract driver 11 bit serial interface 9 bit DAC for VCM control Commutation logic for sensor-less motor Center tap pull-up driver for half wave driver Soft switching matrix Charge pump Booster Power monitor OTSD Features Low output saturation voltage Spindle driver 1.0 V typ (@0.8 A) 0.2 V typ (@0.1 A) VCM driver 1.0 V typ (@400 mA) Soft switching drive Minimum surface mount package body size 7 × 7 mm HA13566AF Pin Arrangement SPNCOMP VREF2 CDELAY TAB 17 16 15 14 13 12 11 TAB 10 9 8 7 1 2 3 TAB 4 5 6 RS VCMN VCMP CT 20 19 18 21 22 23 24 TAB LVI1 RETOUT RETPOW DACOUT POWGOOD CHAGPMP DATA W V RNF PCOMP 25 26 27 28 CLK SERENAB COMM PHASE U VCMIN VCC2 (Top view) 2 VB BC1 BC2 HA13566AF Block Diagram VCC2 3 C101 B - EMF Amps PHASE COMM 7 8 Commutation logic EXTCOM Soft switching matrix SOFTSW BRAKE U Spindle V driver W 1 26 D1 D2 D3 CT 25 24 CHAGPMP 12 VREF2 (1.25 V) R1 SPNCOMP C2 R2 C105 C106 VB 4 C1 5 6 16 17 Center tap pull-up HALF 27 Charge pump SPNENAB RNF C102 Current control VCC2 D0 28 18 PCOMP RETPOW C108 RETOUT R101 RS C103 Booster FBOOST RETRACT POWGOOD V CC Retract 19 VCMP 23 VCMIN 2 DACOUT 14 DAC (9 bit) VCC2 2 SPNENAB BRA...