LB11876 查看數據表（PDF） - SANYO -> Panasonic

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LB11876

Monolithic Digital IC For Polygonal Mirror Motors Three-Phase Brushless Motor Driver

SANYO -> Panasonic 

LB11876

Continued from preceding page.

Pin No.

Pin

Description

23

WH

Outputs (that drive external transistors)

24

WL

Duty control is applied to the UH, VH, and WH outputs.

25

VH

26

VL

27

UH

28

UL

VCC

Equivalent Circuit

50kΩ

23 24 25

26 27 28

29

30

IN3-

IN3+

Hall sensor inputs

"H" is the state where IN+ > IN-, and "L" is the reverse

VCC

31

IN2-

state.

32

IN2+

If noise on the Hall sensor signals is a problem,

33

IN1-

connect capacitors between the IN+ and IN- inputs.

34

IN1+

500Ω

30 32 34

500Ω

29 31 33

35

FGIN- FG input

36

FGIN+ If noise on the FG signal is a problem, the input signal

can be filtered with a capacitor or a capacitor plus

resistor.

VCC

500Ω

35

500Ω

36

No.8317-11/15

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