NJW4302 データシートの表示（PDF） - Japan Radio Corporation

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NJW4302

THREE-PHASE DC BRUSHLESS MOTOR CONTROL IC

Japan Radio Corporation  

FG IN-

FGOUT

FGSOUT

RF

SS

FR

BR

CLK

N1

N2

NJW4302

31

FG amplifier reverse rotation input.

30

FG amplifier output.

29

FG amplifier output(after the schmitt)

Open collector output.

Preliminary

39

Output current detection

Connect a resistor between this pin and GND pin.The output limitation maximum current(IOUT)is set to be 0.5/Rf.

24

Start⋅Stop control

“L”:Start

“H”or Open:Stop

22

Forward/reverse rotation control

“L”:Forward

“H”or Open:reverse

21

Brake control (short braking operation)

“L”:Start

“H”or Open:Brake

23

External clock signal input

10kHz max.

25

Speed discriminator count switching

26

-3 -

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