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TDA5147K

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

Product specification

TDA5147K

PINNING

SYMBOL

PIN

VCCA1

1

SDRVW

2

SMODE1

3

CPOR

4

POR

5

POR12ADJ

6

POR5ADJ

7

SENWIS

8

SISINK2

9

SCNTL1

10

SCNTL2

11

SDRVV

12

VCCS

13

SCNTL3

14

SPWMTC

15

SDRVN

16

SENU

17

SENV

18

SHPWR3

19

BSTFLT

20

BSTCP2

21

RETADJ

22

SCOMP

23

SDRVU

24

BSTCP1

25

SPWMFLT

26

SISINK1

27

AGND1

28

SHPWR1

29

SIPWM

30

SISENH

31

SISENL

32

VCMINP

33

PGND1

34

VPCNTL

35

VCMN

36

Vref(o)

37

Vref(i)

38

VCCV

39

VISENH

40

1996 Jul 26

I/O

DESCRIPTION

−

analog supply voltage 1 (+5 V)

O phase 3 output for spindle motor

I

3-state level input for spindle mode

I/O power-on reset delay capacitor

O power-on reset digital output (active LOW)

O adjustment of POR threshold (for +12 V)

O adjustment of POR threshold (for +5 V)

O digital output of back EMF sense 3/inductive sense

−

connection 2 to the sense resistor

I

digital input 1 for spindle decoder

I

digital input 2 for spindle decoder

O phase 2 output for spindle motor

−

power supply of spindle motor drivers (+12 V)

I

digital input 3 for spindle decoder

O capacitor for spindle low side PWM time off

O centre TAP connection to spindle motor

O digital output of back EMF sense 1

O digital output of back EMF sense 2

O capacitor 3 for PARK supply voltage

O booster filter output

O booster capacitor 2 output

I/O retract voltage adjustment pin

O control amplifier pole adjustment

O phase 1 output for spindle motor

O booster capacitor 1 output

O capacitor for spindle PWM filter

−

connection 1 to the sense resistor

−

analog ground 1

O capacitor 1 for PARK supply voltage

I

digital PWM input for spindle current

O sense resistor for spindle current

O isolated ground connection for spindle sense amplifier

I

closed loop voltage compensation of VCM

−

power ground of VCM driver

I

PARK enable 3-state voltage level input

O negative output voltage of H-bridge

O reference voltage output for external ADC

I

reference voltage input for the 2nd sense amplifier

−

power supply of VCM driver (+12 V)

I

positive input voltage of sense resistor amplifier

6

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