Ordering number : EN6505 LB1933M Monolithic Digital IC Low-saturation Forward/Reverse Motor Drive http://onsemi.com Overview The 1933M is a forward/reverse motor driver that supports low voltage drive and features low-saturation outputs in a miniature package. Features • Low saturation output: VOsat=0.3V typ (IO=300mA) Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Symbol Conditions Ratings Unit VCC max -0.3 to +10.5 V VS max -0.3 to +10.5 V VS+VSF V Maximum Output applied voltage VOUT Maximum input applied voltage VIN Maximum output current IGND Per channel Pd max1 Independent IC 550 mW Pd max2 * Mounted on a specified board 800 mW Allowable power dissipation -0.3 to +10.0 V 1.0 A Operating temperature Topr -30 to +75 °C Storage temperature Tstg -40 to +150 °C Note *: Mounted on a specified board: 30mm×30mm×1.5mm, glass epoxy 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. Semiconductor Components Industries, LLC, 2013 June, 2013 22107 TI IM B8-3973 No.6506-1/5 LB1933M Allowable Operating Ranges at Ta = 25°C Parameter Symbol Power supply voltage range Conditions Ratings Unit VCC 2.2 to 7.5 V VS 1.8 to 7.5 V Input high-level voltage VIH 1.8 to 7.5 V Input low-level voltage VIL -0.3 to +0.7 V Electrical Characteristics at Ta = 25°C, VS1=VS2=VCC=3V Parameter Symbol Ratings Conditions min Power current ICCO TOTAL, ENA=0V, VIN=0V ICC VCC, ENA=3V, VIN=3V Unit typ max 0.1 10 μA 5 7 mA 16 25 mA 0.30 0.45 V 0.20 V 80 μA 80 μA IS VS1+VS2, ENA=3V, VIN=3V VOsat1 ENA=3V, VIN=3V or 0V, IOUT=300mA VOsat2 ENA=2.2V, VIN=2.2V or 0V, VCC=2.2V, IIN VS=2.0V, IOUT=150mA VIN=3V IENA VENA=3V Reverse current IS (leak) VCC=VS=7V 30 μA Forward voltage VSF IOUT=400mA 1.7 V Output saturation voltage Input current Spark killer diode Package Dimensions unit : mm (typ) 3111A 14 0.63 4.4 6.4 8 1 1.7MAX 7 0.35 0.15 0.1 (1.5) 1.0 SANYO : MFP14S(225mil) Allowable Power Dissipation, Pd max - W 8.0 (1.0) Pd max - Ta 1000 Mounted on a specified board: 30mm×30mm×1.5mm glass epoxy 800 600 400 200 0 --40 --20 0 20 40 60 Ambient Temperature, Ta -°C 75 80 100 ILB00046 No.6506-2/5 LB1933M Pin Assignment GND ENA2 OUT3 VS2 OUT4 IN2 VCONT 14 13 12 11 10 9 8 LB1933M 1 2 3 4 5 6 7 VCC ENA1 OUT1 VS1 OUT2 IN1 GND Top view Note: Connect both ground pins. ILB00047 Truth Table IN 1/2 ENA 1/2 OUT 1/3 OUT 2/4 Mode L H H L Forward H H L H Reverse L L OFF OFF Standby H L OFF OFF Standby No.6506-3/5 LB1933M Equivalent Circuit Block Diagram 10μF VCC VS2 1 11 VS1 4 50kΩ IN1 OUT1 6 3 80kΩ Stepping Motor Control block 5 50kΩ ENA1 OUT2 2 80kΩ Thermal shutdown 50kΩ IN2 12 OUT3 9 80kΩ Control block 10 OUT4 50kΩ ENA2 13 80kΩ GND GND 7 14 8 Vcont ILB00048 * There are no constraints on the relationship between the applied voltage to VCC, VS1, VS2, ENA1, ENA2, IN1, and IN2 within the absolute maximum ratings (For example, this IC can be used at VCC=3V, VS1=VS2=2V, and ENA=IN=5V) No.6506-4/5 LB1933M ON Semiconductor and the ON logo are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. 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This literature is subject to all applicable copyright laws and is not for resale in any manner. PS No.6506-5/5