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PDF LB1668M Data sheet ( Hoja de datos )

Número de pieza LB1668M
Descripción Brushless Motor Drivers
Fabricantes ON Semiconductor 
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No Preview Available ! LB1668M Hoja de datos, Descripción, Manual

Ordering number : EN4944C
LB1668
LB1668M
Monolithic Digital IC
2-Phase Unipolar
Brushless Motor Drivers
http://onsemi.com
Overview
The LB1668 and LB1668M are 2-phase unipolar drive brushless motor drivers that feature a wide usable voltage range
and a minimal number of required external components. They also support the formation of motor lock protection and
automatic recovery circuits.
Features
Output protection Zener diodes with variable breakdown voltages
When the Z1 and Z2 pins are open : VOLM = 57V
When the Z1 and Z2 pins are shorted : VOLM = 32V
An external Zener diode can be connected between Z1 and VCC.
Can support both 12V and 24V power supplies by changing an external resistor.
Hall elements can be connected directly.
1.5A output current output transistors built in.
Built-in rotation detection function that outputs low when driven and high when stopped.
Motor lock protection and automatic recovery functions built in.
Thermal shutdown function.
Semiconductor Components Industries, LLC, 2013
May, 2013
D2408 MS PC/73099TH (OT)/13097HA (OT) No.4944-1/8

1 page




LB1668M pdf
LB1668, 1668M
LB1668M Sample Application Circuits
12V power supply type
VCC
12V
330Ω
2kΩ
H
14 13 12 11 10 9
VIN RD Z2 Z1 OUT2
8
LB1668M
IN- IN+
12
C
3
OUT1
GND
4567
+0.47μF
24V power supply type
VCC
24V
1.2kΩ
2kΩ
H
14 13 12 11 10 9
VIN RD Z2 Z1 OUT2
8
LB1668M
IN- IN+
12
C
3
OUT1
GND
4567
+0.47μF
Circuit for use when large output currents are required and heat dissipation is high.
VCC
12V
(24V)
330Ω
(1.2kΩ)
VZ = 12V
(24V)
2kΩ
H
14 13 12 11 10 9
VIN RD Z2 Z1 OUT2
8
LB1668M
IN- IN+
12
C
3
OUT1
GND
4567
+0.47μF
No.4944-5/8

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