2-Phase Unipolar Brushless Motor Drivers

Applications

2-Phase unipolar brushless motor (ex. DC brushless fan motor)

drivers

Features and Functions

.

Protection against motor lock and automatic return can be

provided with a minimum number of external parts.

.

The LB1663, LB1663M, LB1666 can be operated from

either 12 V or 24 V power supply by changing an external

resistor.

.

Possible to connect a Hall element direct to the LB1663,

LB1663M, LB1666.

.

Built-in output transistors with output current 1.5 A.

.

Built-in rotation detect function (Drive mode: ‘‘L’’, Stop

mode: ‘‘H’’)

.

Built-in thermal shutdown

.

With radio noise reduction pin

Package Dimensions

unit : mm

3098A - DIP10S

[LB1663]

SANYO : DIP10S

unit : mm

3054A - DIP16F

[LB1666]

SANYO : DIP16F

unit : mm

3097 - MFP16FS

[LB1663M]

SANYO : MFP16FS

Ordering number: EN 2552C

Monolithic Digital IC

LB1663, 1663M, 1666

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN

N3097HA(II)/7037KI/6197TA,TS No.2552 - 1/6