Ordering number : EN2552E
LB1663
LB1663M
LB1666
Monolithic Digital IC
2-Phase Unipolar
Brushless Motor Drivers
Overview
The LB1663 series are 2-phase unipolar brushless motor (ex. DC brushless fanmotor) drivers.
Features
• 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 12V or 24V 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 1.5A.
• Built-in rotation detect function (Drive mode : ‘‘L’’, Stop mode : ‘‘H’’).
• Built-in thermal shutdown.
• With radio noise reduction pin.
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
t ≤ 20ms
Ratings
Unit
Maximum input current
ICC max
200
mA
Output supply voltage
VO max
-0.3 to +85
V
Maximum output current
IO max
1.5
A
RD flow-in current
IRD
10
mA
RD supply voltage
VRD
Allowable power dissipation
Pd max
50
V
LB1663
1.2
W
LB1663M : Independent IC
0.9
W
LB1663M : *With specified board
1.2
W
LB1666
2.0
W
Operating temperature
Topr
-30 to +80
°C
Storage temperature
Tstg
-55 to +125
°C
* Specified board : 20mm × 30mm × 1.5mm, glass epoxy
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer' s products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer' s products or
equipment.
D1708 MS PC/N3097HA(II)/7037KI/6197TA,TS No.2252-1/5
