Combo (Spindle & VCM) Driver
HA13566AF
Combo (Spindle & VCM) Driver
ADE-207-250 (Z) 1st Edition December 1997 Description
The HA13566AF is combinati...
Description
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...
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