TDA5147CH 查看數據表（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

BLOCK DIAGRAMS

Preliminary specification

TDA5147CH

handbook, full pagewidth

VCCA12

16

POR12VADJ

CPOR

PORN

14 15

VPCNTL

50

RETADJ

35

SHPWRZ

VDD VDD

53 BRKTC

POR

DETECTOR

to spindle

section

SHPWR1

park

PARK

CIRCUITRY

autopark

SHPWR2,3

UNDER

VOLTAGE

GENERATOR

VCC5

Vref

17

POR5VADJ

TDA5147CH

disable

Vrefout

52

Vrefout

Vrefout

VCCA12

POWER AMPLIFIERS

59 VCMN

M

51 VCMP

Rs

60

VISENL

1

VIPWML

PWM

VIPWMH

2

DECODER

Vrefout

6, 7 54, 55, 56 3

64 49 9 4

VFLTINP

VFLTOUT

GNDSUBB GNDV

VCC1V12

VCC5

VCC2V12

47

VCMINP

SENSE

Vrefout

57 VISENH

61

VISENS1

MGG845

1997 Jul 09

Fig.1 Block diagram of voice coil motor driver.

4

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