Hitachi HA13566AF
The HA13566AF is combination of Spindle and VCM Driver designed for HDD and have following functions and features. When the data length is less than 11 bits, the internal register will not be up dated.DESCRIPTION
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● 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) R...