LB1924 Ver la hoja de datos (PDF) - SANYO -> Panasonic

Número de pieza

componentes Descripción

Fabricante

LB1924

Power Brushless Motor Driver IC for Office Automation Equipment

SANYO -> Panasonic 

Continued from preceding page.

Pin No.

14

Pin

DOUT

Pin function

Speed discriminator output.

High: Acceleration

Low: Deceleration

LB1924

15

LD Speed lock detection output

Outputs a low level when the motor speed is in the lock range

(±6.25%).

16 FGOUT FG amplifier output

Equivalent circuit

17

FGIN– FG amplifier input

FG Schmitt comparator

18

FGIN+ FG amplifier input (bias input).

The logic block initial reset is applied by connecting a

capacitor (of about 0.1 µF) between FGIN+ and ground.

FG reset circuit

19 CROCK Setting for the lock protection circuit operating time.

An operating time of about 2.5 seconds can be set by

connecting a capacitor of about 0.047 µF between the

CROCK pin and ground.

Continued on next page.

No. 5687-10/11

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