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LB1667 Fiches technique(PDF) 1 Page - Sanyo Semicon Device |
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LB1667 Fiches technique(HTML) 1 Page - Sanyo Semicon Device |
1 / 7 page Overview The LB1668 Series 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. Functions and Features • Output protection Zener diodes with variable breakdown voltages — When the Z1 and Z2 pins are open: VOLM = 57 V — When the Z1 and Z2 pins are shorted: VOLM = 32 V — An external Zener diode can be connected between Z1 and VCC. • Can support both 12-V and 24-V power supplies by changing an external resistor. • Hall elements can be connected directly. • 1.5-A output current output transistors built in • Built-in rotation detection function that outputs low when driven and high when stopped (LB1668/M) • FG signal function that sets FG high when IN- is low, and sets FG low when IN- is high (LB1667/M) • Motor lock protection and automatic recovery functions built in • Thermal shutdown function Package Dimensions unit: mm 3098B-DIP10S unit: mm 3111-MFP14S Monolithic Digital IC Ordering number : EN*4944 13097HA (OT) No. 4944-1/7 Preliminary SANYO: DIP10S [LB1668, 1667] SANYO: MFP14S [LB1668M, 1667M] SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN Two-Phase Unipolar Drive Brushless Motor Drivers LB1668, 1668M, LB1667, 1667M Parameter Symbol Conditions Ratings Unit Maximum input current ICC max t ≤ 20 ms 200 mA Output voltage VOUT Internal V Output current IOUT 1.5 A Output minus current IOM –50 mA RD/FG influx current IRD/IFG 10 mA RD/FG voltage VRD/VFG 30 V LB1667M, 1668M: Mounted on a printed circuit board 0.8 W Allowable power dissipation Pd max (20 × 15 × 1.5 mm3, glass epoxy) LB1667, 1668 1.1 W Operating temperature Topr –30 to +80 °C Storage temperature Tstg –55 to +150 °C Specifications Absolute Maximum Ratings at Ta = 25°C *: These specifications are subject to change for improvement without notice. |
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