Datasheet LB1666, LB1663M, LB1663 Datasheet (SANYO)

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

LB1663, 1663M, 1666

Allowable Operating Ranges at Ta = 25°C

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

voltage range

CC

V

ICM

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 off –7 0 +7 mV
Amp input bias current I
RD output saturation voltage V
C flow-out current I
C discharge current I
Comparator input threshold

voltage

OR

(sus) IO= 0.1 A 65 V

O

(sat)1 IO= 0.5 A 0.95 1.20 V

V

O

V

(sat)2 IO= 1.0 A 1.15 1.50 V

O

V

(sat)3 IO= 1.5 A 1.40 2.00 V

O

RD

V
V

IN

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

6.0 to 50.0 mA

0toVIN-1.5 V

80 V

–250 nA

0.83 V

IN

0.48 V

IN

[LB1666]
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

max t % 20 ms 200 mA

CC

max –0.3 to +85 V

O

max 1.5 A

O

RD

RD

10 mA
50 V

Pd max 2.0 W

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 Ratings Unit
Input current range I
Common-mode input

voltage range

CC

V

ICM

6.0 to 50.0 mA

0toVIN-1.5 V

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

OR

(sus) IO= 1.0 A 65 V

O

(sat)1 IO= 0.5 A 0.95 1.20 V

V

O

V

(sat)2 IO= 1.0 A 1.15 1.50 V

O

V

(sat)3 IO= 1.5 A 1.40 2.00 V

O

IN

ICC= 7.0 mA 6.4 6.7 7.0 V
Amp input offset voltage Voff –7 0 +7 mV
Amp input bias current I
RD output saturation voltage V
C flow-out current I
C discharge current I
Comparator input threshold

voltage

BA

(sat) IRD= 5 mA 0.1 0.2 V

RD

1 2.1 3.0 3.9 µA

C

2 0.21 0.30 0.39 µA

C

V

1 0.77 0.8 V

TH

V

2 0.42 0.45 V

TH

80 V

–250 nA

0.83 V

IN

0.48 V

IN

No. 2552- 3/6

LB1663, 1663M, 1666

Pin Assignment

Equivalent Circuit Block Diagram and Sample Application Circuit

Top view

Constant
current
circuit

(Note) *1: Radio noise reduction capacitor: 0.01 to 0.1 µF.

*2: Use a less leaky capacitor.

No. 2552- 4/6

LB1663, 1663M, 1666

Truth Table

IN+ IN– C OUT1 OUT2

HLLHL
LHLLH
HLHHH
L HHH H

Output Protection

For C marked with 1 µF Lock detect time Approximately 2s

Lock protect time
(output on)

Lock protect time
(output off)

Approximately 1s

Approximately 6s

Pin Description

Pin Name Function

V

IN

IN+
IN–

OUT1
OUT2

RD Open collector output (Drive mode - ‘‘L’’, Stop mode - ‘‘H’’)

B1
B2

C

GND Ground

A limiting resistor is connected across VCCand VINto adjust the current flowing into VINtobe6mAto50mA,
which generates a voltage (6.7 V) on this pin and supplies a regulated voltage to the IC system and a Hall
element.

Pins for accepting output from Hall element.
Common-mode input voltage range: 0 to V
Offset voltage: ± 7mV

Output transistors of output pins are Darlington-connected. External capacitors or Zener diodes must be
connected to protect output transistors.

Base pins for output transistors of Darlington connection.
A capacitor must be connected in an application where radio noise becomes a problem.

Capacitor pin for automatic return function
When the rotation is stopped by an overload, the voltage on this pin is increased, turning OFF the output.
Automatic return fromoutput ‘‘stop’’ to ‘‘drive’’occurs by making the load proper.The lock detect time can be set
by changing the capacitor constant.

IN

-1.5 V

Allowable power dissipation, Pd max – W

Pd max – Ta

Ambient temperature, Ta – °C

No. 2552- 5/6

LB1663, 1663M, 1666

Rotation Output on Output off

Output

Output off Rotation

on

Lock

Lock release

Automatic return circuit C pin voltage

1 When a fan is rotating, the capacitor is charged at 3 µA (typ) and discharged through the C with pulses according to the

rotational speed.

2 When a fan is locked, no discharge occurs through the C and the C voltage rises, turning OFF the output at 0.8 × V

.

IN

3 When the output is turned OFF, discharge occurs through the C at 0.44 µA (typ). If the lock is not released when the C voltage

drops to V

2, the capacitor is charged to VTH1 again. (At this moment, the output is turned ON.)

TH

These operations 2, 3 repeated on a cycle of approximately t on : t off=1:6protect a motor.

4 If the lock is released when the C voltage drops to V

2, the output is turned ON, starting rotation.

TH

No products described or contained herein are intended for use in surgical implants, life-support systems,
aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like,
the failure of which may directly or indirectly cause injury, death or property loss.

Anyone purchasing any products described or contained herein for an above-mentioned use shall:
1 Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD.,its affiliates, subsidiaries and

distributors and all their officers and employees, jointly and severally, against any and all claims and litigation
and all damages, cost and expenses associated with such use:

2 Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on

SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees
jointly or severally.

Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for
volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or
implied regarding its use or any infringements of intellectual property rights or other rights of third parties.

This catalog provides information as of November, 1997. Specifications and information herein are subject to change without notice.

No. 2552- 6/6