FAN8742 查看數據表（PDF） - Fairchild Semiconductor

零件编号

产品描述 (功能)

比赛名单

FAN8742

Spindle Motor and 6-CH Driver [Spindle(PWM), Sled 2-CH(PWM) 4-CH(Linear)]

Fairchild Semiconductor 

Pin Definitions(continued)

Pin Number

Pin Number Pin Name

I/O

(exposed to bottom)

(exposed to top)

43

14

DO4 +

A

44

13

DO4 -

A

45

12

PGND5

P

46

11

IN4

A

47

10

IN3

A

48

9

VDD

P

49

8

SPIN

A

50

7

DIR

O

51

6

FG

O

52

5

SVCC1

P

53

4

CP1

A

54

3

CP2

A

55

2

VCP

A

56

1

DGND

P

Pin Function Description

Channel 4 drive output +

Channel 4 drive output -

Power ground for BTL CH3/4

Channel 4 input

Channel 3 input

Power supply for digital block

Spindle channel input

Spindle rotational direction output

Spindle frequency generator

FAN8741MTF=3X, FAN8742MTF=1X

Power supply for signal block

Charge pump capacitor1

Charge pump capacitor2

Charge pumped voltage

Ground for digital block

6

FAN8741/FAN8742 Rev. 1.0.1

www.fairchildsemi.com

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