TDA5147CH Ver la hoja de datos (PDF) - Philips Electronics

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TDA5147CH

12 V Voice Coil Motor (VCM) driver and spindle motor drive combination chip

Philips Electronics 

Philips Semiconductors

12 V Voice Coil Motor (VCM) driver and

spindle motor drive combination chip

Preliminary specification

TDA5147CH

handbook, full pagewidth

BSTCP1

41

VCC5

BSTCP2

30

TEMP

58

BSTFLT 29

UPPER

BOOSTER

to the VCM

output

stages

lcompare

SCNTL1 20

SCNTL2 21

SCNTL3 22

LOGIC

DECODER

VCC5

SMODE1 13

VCC5

U.H

U.L

V.H THERMAL

V.L SWITCH

W.H

W.L

brake

disable

TDA5147CH

SPWMTC

24

PWM/LIN

PWM

U.H

U.L

V.H

V.L

from PORN block

VCCS12

disable

DRIVER

disable

DRIVER

brake

disable

DRIVER

disable

DRIVER

brake

28 SHPWR3

5 SHPWR2

39 SDRVU

40 SHPWR1

Cclamp

23 SDRVV

SCOMP 37

COMP

PWM/LIN

Iset

Isense

control

amplifier

W.H

W.L

disable

DRIVER

disable

DRIVER

brake

10 SDRVW

SIPWM 44

SPWMFLT 38

Iset

PWM

DECODER

FILTER

Vref

SISINK1, SISINK2

COMP

SDRVU

25 SDRVN

COMP

SDRVV

SISENL 46

Isense

SISENH 45

AMP

Icompare

Rsense

COMP

multiplexer

COMP

SDRVW

27 SENV

26 SENU

18 SENWIS

19

SISINK2

42

SISINK1

6, 7

GNDSUBB

36

VCCS12

8

VCCA12

9

VCC5

54, 55, 56

GNDV

MGG844

Fig.2 Block diagram of spindle motor drivers.

1997 Jul 09

5

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