TDA5147CH Datasheet, PDF(6/32 Page) NXP Semiconductors – 12 V Voice Coil Motor VCM driver and spindle motor drive combination chip

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TDA5147CH Datasheet, PDF (6/32 Pages) NXP Semiconductors – 12 V Voice Coil Motor VCM driver and spindle motor drive combination chip

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Philips Semiconductors

12 V Voice Coil Motor (VCM) driver and

spindle motor drive combination chip

Preliminary speciï¬cation

TDA5147CH

PINNING

SYMBOL PIN

VIPWML

1

VIPWMH

2

VFLTINP

3

VFLTOUT

4

SHPWR2

5

GNDSUBB 6

GNDSUBB 7

VCCA12

8

VCC5

9

SDRVW

10

n.c.

11

n.c.

12

SMODE1 13

CPOR

14

PORN

15

POR12VADJ 16

POR5VADJ 17

SENWIS

18

SISINK2

19

SCNTL1

20

SCNTL2

21

SCNTL3

22

SDRVV

23

SPWMTC 24

SDRVN

25

SENU

26

I/O

DESCRIPTION

I LSB PWM input

I MSB PWM input

O voice coil motor PWM ï¬lter

capacitor

O PWM ï¬lter output voltage

O capacitor for park supply

voltage

â analog ground 2

â analog ground 2

â analog supply voltage 2

(+12 V)

â analog supply voltage 1

(+5 V)

O phase 3 output for spindle

motor

â not connected

â not connected

â 3 level input for spindle

mode

I/O Power-on reset delay

capacitor

O Power-on reset digital output

(active LOW)

I adjustment of PORN

threshold (for +12 V)

I adjustment of PORN

threshold (for +5 V)

O digital output of back EMF

sense 3/inductive sense

O connection 2 to the sense

resistor

I digital input 1 for spindle

decoder

I digital input 2 for spindle

decoder

I digital input 3 for spindle

decoder

O phase 2 output for spindle

motor

I/O capacitor for spindle low side

PWM time off

O centre TAP connection to

spindle motor

O digital output of back EMF

sense 1

SYMBOL PIN I/O

DESCRIPTION

SENV

27 O digital output of back EMF

sense 2

SHPWR3

28 O capacitor 3 for park supply

voltage

BSTFLT

29 O booster ï¬lter output

BSTCP2

30 O booster capacitor 2 output

n.c.

31 â not connected

n.c.

32 â not connected

n.c.

33 â not connected

n.c.

34 â not connected

RETADJ

35 I/O retract voltage adjustment

pin

VCCS12

36 â power supply of spindle

motor drivers (+12 V)

SCOMP

37 O control ampliï¬er pole

adjustment

SPWMFLT 38 I/O capacitor for spindle PWM

ï¬lter

SDRVU

39 O phase 1 output for spindle

motor

SHPWR1

40 O capacitor 1 for park supply

voltage

BSTCP1

41 O booster capacitor 1 output

SISINK1

42 O connection 1 to the sense

resistor

GNDSUBA 43 â analog ground 1

SIPWM

44 I digital PWM input for spindle

current

SISENH

45 I sense resistor for spindle

current

SISENL

46 I isolated ground connection

for spindle sense ampliï¬er

VCMINP

47 I closed loop voltage

compensation of VCM

n.c.

48 â not connected

VCC2V12

49 â +12 V power supply of VCM

driver

VPCNTL

VCMP

50 I park enable 3-level input

51 O positive output voltage of

H-Bridge

Vrefout

52 O output reference for external

ADC

BRKTC

53 I input for setting brake after

park time

1997 Jul 09

6

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