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LB1668M Scheda tecnica(PDF) 1 Page - ON Semiconductor |
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LB1668M Scheda tecnica(HTML) 1 Page - ON Semiconductor |
1 / 8 page D2408 MS PC/73099TH (OT)/13097HA (OT) No.4944-1/8 http://onsemi.com Semiconductor Components Industries, LLC, 2013 May, 2013 LB1668 LB1668M 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. Monolithic Digital IC 2-Phase Unipolar Brushless Motor Drivers Ordering number : EN4944C |
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