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LB1846MC Fiches technique(PDF) 1 Page - ON Semiconductor |
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LB1846MC Fiches technique(HTML) 1 Page - ON Semiconductor |
1 / 4 page 30712 SY 20120112-S00002 No.A2016-1/4 http://onsemi.com Semiconductor Components Industries, LLC, 2013 June, 2013 LB1846MC Overview The LB1846MC is 2-channel low-voltage, low saturation voltage type bidirectional motor driver IC that is optimal for use as 2-phase stepping motor drivers in printers, cameras and other portable equipment. The output circuits are of the bipolar type, with PNP transistors in the upper side and NPN transistors in the lower side, and they achieve low saturation output and low power characteristics despite being provided in a miniature package. The LB1846MC products can directly control a motor from signals from a microcontroller. The LB1846MC is optimal for 1-2 phase excitation drive for 2-phase stepping motors using 4-input logic (IN1, IN2, IN3 and IN4). Another point is that these IC include built-in thermal shutdown circuits so that IC scorching or burning is prevented in advance even if the IC output is shorted. Functions • Optimal for 1-2 phase excitation drive for 2-phase stepping motors • Standby current: Zero • Low saturation voltage. VO (sat) = 0.55V typical at IO = 400mA • Thermal shutdown circuit • No limitations on the magnitude relationship between the power supply voltage (VCC) and the input voltage (VIN) Specifications Absolute Maximum Ratings at Ta = 25 °C Parameter Symbol Conditions Ratings Unit Maximum supply voltage VCC max -0.3 to +8.0 V Output voltage VOUT VCC + VSF V Input voltage VIN -0.3 to +8.0 V Ground pin outflow current IGND Per channel 800 mA Allowable power dissipation Pd max When mounted* 870 mW Operating temperature Topr -20 to +75 °C Storage temperature Tstg -40 to +150 °C *1: When mounted on the specified printed circuit board (114.3mm × 76.2mm × 1.5mm), glass epoxy board Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time. Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current, high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details. Monolithic Digital IC Low-Voltage/Low Saturation Voltage Type Bidirectional Motor Driver Ordering number : ENA2016 Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. |
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