SANYO LB1666, LB1663M, LB1663 Datasheet

Ordering number: EN 2552C

Monolithic Digital IC

LB1663, 1663M, 1666

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

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

LB1663, 1663M, 1666

Specifications

[LB1663]
Absolute Maximum Ratings at Ta = 25°C

Parameter Symbol Conditions Ratings Unit
Maximum input current I
Output supply voltage V
Maximum output current I
RD flow-in current I
RD supply voltage V
Allowable power

dissipation
Operating temperature Topr –30 to +80 °C
Storage temperature Tstg –55 to +125 °C

Allowable Operating Ranges at Ta = 25°C

Parameter Symbol Conditions Rating Unit
Input current range I
Common-mode input

voltage range

max t % 20 ms 200 mA

CC

max –0.3 to +85 V

O

max 1.5 A

O

RD

RD

Pd max 1.2 W

CC

V

ICM

0toVIN-1.5 V

10 mA
50 V

6.0 to 50.0 mA

Electrical Characteristics at Ta = 25°C, ICC=10mA

Parameter Symbol Conditions min typ max Unit
Output withstand voltage 1 V
Output withstand voltage 2 V

Output saturation voltage

V

input voltage V

IN

Amp input offset voltage V
Amp input bias current I
RD output saturation voltage V
C flow-out current I
C discharge current I
Comparator input threshold

voltage

O

V

O

V

O

V

O

RD

V
V

OR

(sus) IO= 0.1 A 65 V
(sat)1 IO= 0.5 A 0.95 1.20 V
(sat)2 IO= 1.0 A 1.15 1.50 V
(sat)3 IO= 1.5 A 1.40 2.00 V

IN
off

BA

C
C
TH
TH

ICC= 7.0 mA 6.4 6.7 7.0 V

(sat) IRD= 5 mA 0.1 0.2 V
1 2.1 3.0 3.9 µA
2 0.31 0.44 0.59 µA

1 0.77 0.8 V
2 0.42 0.45 V

80 V

–7 0 +7 mV

–250 nA

0.83 V

IN

0.48 V

IN

[LB1663M] = Preliminary
Absolute Maximum Ratings at Ta = 25°C

Parameter Symbol Conditions Ratings Unit
Maximum input current I
Output supply voltage V
Maximum output current I
RD flow-in current I
RD supply voltage V
Allowable power

dissipation
Operating temperature Topr –30 to +80 °C

Storage temperature Tstg –55 to +125 °C

max t % 20 ms 200 mA

CC

max –0.3 to +85 V

O

max 1.5 A

O

RD

RD

Pd max 0.9 W

* With specified board 1.2 W

10 mA
50 V

* Note: 20 × 30 × 1.5 mm3glass epoxy board

No. 2552- 2/6