L6260 データシートの表示（PDF） - STMicroelectronics

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L6260

4.5-5.5V DISK DRIVER SPINDLE & VCM, POWER & CONTROL COMBOS

STMicroelectronics 

L6260

BLOCK DIAGRAM

VREFOUT

VREF/MINUS

DAC/GND

UV1

UV2

POR/DLY

POR

FCLK

SDIO

SCLK

SLOAD

R/W

TEST

TRISTATE

ATEST

DTEST

BIAS

-

CIRCUIT

177

+

POWER

MONITOR

SERIAL

PORT

INTERFACE

REGISTER

0

REGISTER

1

REGISTER

2

REGISTER

3

REGISTER

4

REGISTER

5

REGISTER

6

REGISTER

7

PARK/V VCM/COMP VCM/I/SNS/1 VCM/I/SNS/2 VCM/PLUS

VCM LOGIC &

DAC

VCM

PARK

BEMF

AMP

SPINDLE

LOGIC

VOLTAGE

TRIPLER

CENTER TAP

DRIVER

SPINDLE

BLOCK

& DAC

SPINDLE

FLL

ANALOG TEST

CIRCUIT

DIGITAL TEST

CIRCUIT

CURRENT

GENERATOR

CHARGE

PUMP

PIN CONNECTION(Top view)

VCM/MINUS

VVCM/2

VVCM/1

C1LOW

C1HIGH

C2LOW

C2HIGH

VHTRIP

VLTRIP

VPARKOUT

CTAP

SYNTH/HALL

VRECT

VSPIN/1

VSPIN/2

SPN/I/SNS

COIL/A

COIL/B

COIL/C

SPIN/GND1

SPIN/GND2

VPDOWN

BRK/DLY

SPN/I/COMP

SPN/SLEW

FLL/RES

SPD/COMP

SPD/COMP/SHT

D94IN087

2/30

GND

UV

SPN_D SBL_DLY

POR _DLY

VCM_I_SNS1

VVCM_1

VCM_MINUS

VCM _I_SNS2

VCM_PLUS

VVCM_2

C TAP

ATEST

C 1HIGH

C1LOW

TRIPGND

C 2HIGH

48

49

64

1

33

32

17

16

GND

V SPIN_2

V PDOWN

C OIL_C

B RK_DLY

S PIN_GND_2

E XTFLL/DT EST

C OIL_B

TRISTATE

V SPIN_1

SYNTH_HA LL

TEST

C OIL_A

R /W_

S PN_GN D_1

GND

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