LB1896 查看數據表（PDF） - SANYO -> Panasonic

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LB1896

3-phase Brushless Motor Driver for CD-ROM Spindle Drive Use

SANYO -> Panasonic 

Continued from preceding page.

Pin No.

9

8

Pin Name

CTRLφ

CTRL1

Pin Voltage

0 to VCC2

LB1896

Equivalent Circuit Diagram

Pin Function

v Operation mode switching pins.

v Refer to the Mode Switching Truth Table

for selection of control, acceleration, or

deceleration.

7 NS+

0 to

VCC2 − 1 V

v Input pin at noncontrol mode.

v The input-output gain is 14 dB.

(GC2: LOW)

v Motor stops when VNS = 0 V.

6 S/S

0 to VCC2

v When the S/S pin is HIGH, START;

when LOW, STOP.

v The threshold is VCC2/2.

5 FC

v Connect a capacitor between this pin and

GND to reduce the input/output gain

frequency response and to stop the

oscillator.

1

WIN2

34 WIN1

33 VIN2

32

VIN1

31

30

UIN2

UIN1

1.3 to 2.2 V

W-phase Hall device input pins.

Logic ‘‘H’’ represent WIN1 > WIN2

V-phase Hall device input pins.

Logic ‘‘H’’ represent VIN1 > VIN2

U-phase Hall device input pins.

Logic ‘‘H’’ represent UIN1 > UIN2

Continued on next page.

No.5225-5/8

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