LB1916 データシートの表示（PDF） - SANYO -> Panasonic

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LB1916

CD-ROM Spindle Motor Driver

SANYO -> Panasonic 

Continued from preceding page.

Pin No. Pin Pin voltage

LB1916

Pin function

9

8

CTRLφ

CTRL1

0 to VCC2

• Operating mode switching input

• These pins select control, acceleration, or deceleration according

to the mode switching truth table.

Equivalent circuit

6

S/S

0 to VCC2

• Apply a high level to the S/S pin for start, and a low level for stop.

• The threshold is VCC2/2.

5

FC

• Oscillation can be prevented by connecting a capacitor between

the FC pin and ground to lower the I/O gain frequency

characteristics.

2

WIN2

• W phase Hall element inputs

1

WIN1

Logic high is when WIN1 > WIN2.

34

33

VIN1

VIN2

• V phase Hall element inputs

1.3 to 2.2 V Logic high is when VIN1 > VIN2.

32

UIN2

• U phase Hall element inputs

31

UIN1

Logic high is when UIN1 > UIN2.

30

VH+

29

VH–

2.4 V

1.4 V

• Hall element power supply

There is a potential difference of 1.0 V between VH+ and VH–.

Continued on next page.

No. 5653-6/7

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