SA56202 データシートの表示（PDF） - Philips Electronics

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SA56202

One-chip motor driver

Philips Electronics 

Philips Semiconductors

5. Block diagram

SA56202

One-chip motor driver

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

1

REVERSE

OSCILLATOR

56

2

DETECTION

55

3

HALL

THERMAL

4

AMP

FG

SHUTDOWN

54

5

53

6

52

51

50

49

7

HALL BIAS

48

LEVEL

8

VINREF

SHIFT

47

9

CURRENT

10 REFERENCE

46

LEVEL

11

VINREF

SHIFT

45

44

12

43

13

42

LEVEL

14

SPINDLE

VINREF

SHIFT

41

LOGIC

15

40

16

LEVEL

17

VINREF

SHIFT

39

18 FG

38

19

37

20

ADC

21 VINREF

22

36

SLED

35

LOGIC

34

23

24 CHARGE

25

PUMP

26

MUTE/

27

STANDBY

FUNCTIONS

28

SA56202

33

32

31

47 kΩ 30

VINREF

47 kΩ 29

VINREF

COSC

DIODE

VSS(DIO)

VINLD

VINFCS

VINTRK

VINTLT

VDD(LD)

LDO+

LDO−

FCSO+

FCSO−

VSS(LIN)

VDD(ACT)

TRKO+

TRKO−

TLTO+

TLTO−

RSLD1

SLDO1+

SLDO1−

RSLD2

SLDO2+

SLDO2−

VDD(SLD)

VSSA

VINSLD2

VINSLD1

001aaa429

Fig 1. Block diagram.

9397 750 12772

Preliminary data sheet

Rev. 01 — 19 July 2004

© Koninklijke Philips Electronics N.V. 2004. All rights reserved.

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