FAN8725 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FAN8725

Spindle Motor and 5-Channel Motor Driver

Fairchild Semiconductor 

FAN8725 (KA3025)

Pin Definitions (Continued)

Pin Number

34

35

36

37

Pin Name

DO4 -

DO5+

DO5-

PGND3

I/O

Pin Function Description

O

Channel 4 output (−)

O

Channel 5 output (+)

O

Channel 5 output (−)

-

CH3/CH4/CH5 power ground

38

IN5

I

OP-Amp CH 5 input(-)

39

OUT5

O

OP-Amp CH 5 output

40

VM3

-

CH3/CH4/CH5 power supply

41

SVCC2

42

VREF

43

SB

44

PS

45

ECR

46

EC

47

PC1

48

VH

-

CH Signal supply voltage

I

BTL reference voltage

I

Short brake

I

Power save

I

Torque control reference

I

Torque control

-

Phase compensation capacitor

I

Hall bias

Notes:

BTL drive part symbol(+,- outputs of drives) is determined according to the polarity of input pin.

(For example, if the voltage of pin 24 is high, the output of pin 26 is high)

4

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