L7200 データシートの表示（PDF） - STMicroelectronics

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L7200

MOZART, 12V DISK DRIVE SPINDLE & VCM, POWER & CONTROL “COMBO”

STMicroelectronics 

SPINDLE SMOOTHDRIVE™ ARCHITECTURE, START-UP & FLL

6bit

A/D 7bit

8bit

MEMORY AND

MEMORY SCAN

BIPOLAR /

TRIPHASE

SPIN-UP

TORQUE

OPTIMIZER

FEED

FORWARD

DIGITAL

MULTIPLIER

8bit

PWM A

BYTE TO

3x

PWM

PWM B

9bit

CONVERTER

9bit

Resolution

PWM C

10bit

10bit

12bit

KFLL d

REGISTER

DIGITAL

FILTER

FLL

10bit

3x

2x

10bit 12bit

INDUCTIVE

SENSE

SERIAL PORT

FREQUENCY

MULTIPLIER

Z.C.

BEMF

DETECTION

L7200

PIN CONNECTION (Top view)

VCM_A+

VCM_A+

VCM_GND

VCM_GND

VCM_A-

VCM_A-

OUT_A

OUT_A

RSENSE

RSENSE

OUT_B

OUT_B

RSENSE

RSENSE

OUT_C

OUT_C

48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33

49

32

50

31

51

30

52

29

53

28

54

27

55

26

56

L7200

25

57

"MOZART"

24

58

23

59

22

60

21

61

20

62

19

63

18

64

17

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

DAC_OUT

PORB

VREG3.3_IN

VREG3.3_DRV

VREG2.5_IN

VREG2.5_DRV

RBIAS

AVCC

AGND

TR_12V

TR_5V

TR_3.3V

TR_2.5V

SSIN

SSBUFOUT

SSFIN

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