FAN8732BG datasheet(5/20 Pages) FAIRCHILD

部品番号	FAN8732BG

部品情報	Spindle motor and 5-CH actuator driver [Spindle(PWM), Sled 2-CH(PWM) 3-CH(Linear)]

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メーカー	FAIRCHILD [Fairchild Semiconductor]

ホームページ	http://www.fairchildsemi.com

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5 / 20 page

FAN8732G/FAN8732BG/FAN8732CG

5

Internal Block Diagram

PVCC2

PGND1

PVCC1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

IN4

IN5

PVCC3

DO5+

DO5-

PGND3

CS1

DO4+

DO4-

V

U

CS3

HW-

HW+

HV-

HV+

HU-

HU+

CS2

PGND2

W

42

41

40

39

38

37

36

35

34

33

32

31

30

28

27

26

25

24

23

22

29

VH

FG

VREF

SPIN

IN1

IN2

SGND

SVCC

DO2-

DO2+

DO1+

DO1-

DO3+

DO3-

SB

IN3

MUTE

OSC

6

4

Bootstrap

Regulator

Hall

bias

TSD

LPF

H bridge

PWM Control

LPF

OSC

Focus, Tracking,

Loading block

Spindle

power

PVCC3

Spindle

power

H

bridge

Oscillator

All mute

Short Brake Mode

IN3

PWM Control

LPF

Reverse

detector

Frequency

generator

PWM Control

I

OMAX

R

S

Q

Drive

Logic

Gm

-

+

-

+

同様の部品番号 - FAN8732BG

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同様の説明 - FAN8732BG

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