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PDF LB1663M Data sheet ( Hoja de datos )

Número de pieza LB1663M
Descripción 2-Phase Unipolar Brushless Motor Drivers
Fabricantes Sanyo 
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No Preview Available ! LB1663M Hoja de datos, Descripción, Manual

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]
unit : mm
3054A - DIP16F
[LB1666]
SANYO : DIP10S
unit : mm
3097 - MFP16FS
[LB1663M]
SANYO : DIP16F
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

1 page




LB1663M pdf
Truth Table
IN+ IN–
HL
LH
HL
LH
LB1663, 1663M, 1666
C
OUT1
OUT2
LH
L
LL
H
HH
H
HH
H
Pd max – Ta
Output Protection
For C marked with 1 µF
Pin Description
Lock detect time
Lock protect time
(output on)
Lock protect time
(output off)
Approximately 2s
Approximately 1s
Approximately 6s
Ambient temperature, Ta – °C
Pin Name
VIN
IN+
IN–
OUT1
OUT2
RD
B1
B2
C
GND
Function
A limiting resistor is connected across VCC and VIN to adjust the current flowing into VIN to be 6 mA to 50 mA,
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 VIN-1.5 V
Offset voltage: ± 7 mV
Output transistors of output pins are Darlington-connected. External capacitors or Zener diodes must be
connected to protect output transistors.
Open collector output (Drive mode - ‘‘L’’, Stop mode - ‘‘H’’)
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 from output ‘‘stop’’ to ‘‘drive’’ occurs by making the load proper. The lock detect time can be set
by changing the capacitor constant.
Ground
No. 2552- 5/6

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