SA56202TW datasheet(3/24 Pages) PHILIPS

Part #	SA56202TW

Description	One-chip motor driver

Download	24 Pages

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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3 / 24 page

9397 750 12772

Preliminary data sheet

Rev. 01 — 19 July 2004

3 of 24

Philips Semiconductors

SA56202

One-chip motor driver

5.

Block diagram

Fig 1.

Block diagram.

001aaa429

REVERSE

DETECTION

LEVEL

SHIFT

LEVEL

SHIFT

LEVEL

SHIFT

LEVEL

SHIFT

SLED

LOGIC

CURRENT

REFERENCE

FG

OSCILLATOR

THERMAL

SHUTDOWN

FG

HALL BIAS

ADC

CHARGE

PUMP

MUTE/

STANDBY

FUNCTIONS

SPINDLE

LOGIC

HALL

AMP

1

2

3

4

5

6

7

8

9

10

11

12

13

15

14

16

17

18

28

19

20

21

22

23

24

25

26

27

DIODE

47 k

Ω

VINREF

SA56202

VSS(DIO)

VINLD

COSC

HU

+

HU

−

HV

+

HV

−

HW

+

HW

−

HBIAS

RREF

REMF

RLIM

VSS1(SPN)

U

VDD1(SPN)

V

VSS2(SPN)

W

VDD2(SPN)

FG

VSSD

VINSPN

VINREF

VDDA

CP1

CP2

CP3

CTL1

CTL2

TEMP

VINFCS

VINTRK

VINTLT

VDD(LD)

LDO

+

LDO

−

VSS(LIN)

VDD(ACT)

TLTO

−

TRKO

−

TRKO

+

FCSO

−

FCSO

+

TLTO

+

RSLD1

RSLD2

SLDO2

−

SLDO2

+

SLDO1

−

SLDO1

+

VDD(SLD)

VSSA

VINSLD1

VINSLD2

31

30

29

33

32

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

47 k

Ω

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SA56202TW Datasheet(PDF) 3 Page - NXP Semiconductors

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