L6260 datasheet(15/30 Pages) STMICROELECTRONICS

15 / 30 page

177

VREFOUT

VREF/MINUS

DAC/GND

BIAS

CIRCUIT

POWER

MONITOR

SERIAL

PORT

INTERFACE

UV1

SPN-DSBL-DLY

FCLK

POR/DLY

POR

SDIO

SCLK

TEST

R/W

SLOAD

VCM LOGIC &

DAC

VCM

PARK

PARK/V

VCM/COMP

BEMF

AMP

SPINDLE

LOGIC

TRISTATE

SPINDLE

FLL

ANALOG TEST

CIRCUIT

DIGITAL TEST

CIRCUIT

ATEST

DTEST

D94IN089A

CHARGE

PUMP

CURRENT

GENERATOR

SPD/COMP

SPD/COMP/SHT

SPN/SLEW

FLL/RES

SPINDLE

BLOCK

& DAC

BRK/DLY

SPN/I/COMP

SPIN/GND2

VPDOWN

COIL/C

SPIN/GND1

COIL/A

COIL/B

VSPIN/2

SPN/I/SNS

VRECT

VSPIN/1

CENTER TAP

DRIVER

CTAP

SYNTH/HALL

VOLTAGE

TRIPLER

VLTRIP

VHTRIP

C2LOW

C2HIGH

VPARKOUT

C1LOW

C1HIGH

VVCM/1

VCM/MINUS

VVCM/2

VCM/PLUS

VCM/I/SNS/2

VCM/I/SNS/1

220pF

4 - 12MHz

TBD

62K

10nF

12.5K

Ω typical

250K

Ω typical

4nF

1nF

Ω

µFmin(10µF Recommended)

e.g. 2.5K

Ω

VCM coil

330nF (Typ)

330nF (Typ) for Tripler

operation not used

for Doubler operation

330nF(Typ)

0.83

Ω (min)

3.3

Ω (min)

220K

Ω

100nF

40K

Ω FOR 0.5V

RETRACT

Connected

for Doubler

operation

VCC

1.5nF

APPLICATION DIAGRAM

L6260

15/30

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