41812 sy/40412 sy 20120305-s00003 no.a2026-1/4 http://onsemi.com semiconductor components industries, llc, 2013 may, 2013 LB1638MC overview the LB1638MC are low-saturation bidirectional motor driv er ics for use in low-voltage applications. at an i o of 500ma, they have a low saturation output of v o (sat) = 0.75v. they are especially suited for use in compact motor of portable equipment. features ? low voltage operation (2.5v min.) ? low saturation voltage (upper transistor + lower transistor residual voltage; at i o = 500ma, v o (sat) = 0.75v typ.) ? low current drain at standby mode (i cco = 0.1 a typ. or less) ? separate logic power supply and motor power supply ? brake function ? built-in spark killer diodes specifications absolute maximum ratings at ta = 25 c parameter symbol conditions ratings unit v cc max -0.3 to +10.5 v maximum supply voltage v s max -0.3 to +10.5 v output applied voltage v out -0.3 to v cc + v sf v input applied voltage v in -0.3 to +10.0 v ground pin flow-out current i gnd 1.0 a allowable power dissipation pd max mounted on a specified board 820 mw operating temperature topr -20 to +75 c storage temperature tstg -40 to +125 c * specified board: 114.3mm 76.1mm 1.6mm, glass epoxy board. caution 1) absolute maximum ratings represent the va lue which cannot be exceeded for any length of time. caution 2) even when the device is used within the range of abso lute maximum ratings, as a result of continuous usage under hig h temperature, high current, high voltage, or drastic temperature change, the reliability of th e ic may be degraded. please contact us for the further detai ls. monolithic digital ic low-voltage, low-saturation bidirectional motor driver orderin g numbe r : ena2026a stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended oper ating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliabili ty.
LB1638MC no.a2026-2/4 allowable operating conditions at ta = 25 c parameter symbol conditions ratings unit v cc 2.5 to 9.0 v supply voltage range v s 2.2 to 9.0 v input high-level voltage v ih 2.0 to 9.0 v input low-level v il -0.3 to +0.7 v electrical characteristics at ta = 25 c, v cc = 5v ratings parameter symbol conditions min typ max unit i cc 0 v in 1,2 i cc + i s 10 a i cc 1 v in 1 = 3v, v in 2 = 0v i cc + i s 20 ma current drain i cc 2 v in 1,2 = 3v i cc + i s 40 ma v out 1 i out = 200ma 0.25 0.5 v output saturation voltage (upper + lower) v out 2 i out = 500ma 0.70 1.3 v output pin voltage difference i o = 200ma 0.1 v output sustain voltage v o (sus) i out = 500ma 9 v input current i in v in = 7v, v cc = 7v 0.5 ma spark killer diode reverse current i s (leak) v cc , v s = 7v 10 a forward voltage v sf i out = 200ma 1.7 v package dimensions unit : mm (typ) 3426a -20 0 20 40 60 80 100 0 750 500 250 pd max -- ta 1000 75 820 492 ambient temperature, ta -- c allowable power dissipation, pd max -- mw specified board: 114.3 76.1 1.6mm 3 glass epoxy board. sanyo : soic10 4.9 3.9 6.0 6 10 5 1 0.835 0.21 0.37 0.41 1.0 0.175 1.5 1.75 max
LB1638MC no.a2026-3/4 pin assignment 1 gnd 2 in1 3 v cc 4 in2 5 gnd 10 9 8 7 6 nc out1 v s out2 nc LB1638MC note: both ground pins must be grounded. truth table in1 in2 out1 out2 mode h l h l forward l h l h reverse h h l l brake l l off off standby block diagram and sample application circuit note: when using the same power supply for v s and v cc , short the v cc and v s pins to each other or insert a capacitor in the v cc line. 8 v s 3 2 4 1 5 9 7 v cc in1 in2 gnd gnd m out2 out1 controller
LB1638MC ps no.a2026-4/4 v o (sat) -- i o i s -- v s i in -- v in i cc -- v cc 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 30 0 25 20 15 10 5 012345678 012345678 12 0 10 8 6 4 2 500 0 400 300 200 100 v cc = v s = 3v ta = 25 c v cc = v in = 3v ta = 25 c v cc = v s = 3v ta = 25 c v cc = v in = 3v ta = 25 c output current, i o -- a output saturation voltage, v o (sat) -- v power supply voltage, v s -- v reverse current, i s -- ma brake forward / reverse brake forward / reverse power supply voltage, v s -- v current drain, i cc -- a input voltage, v in -- v input current, i in -- a 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 mak es no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does scillc assume any liability ar ising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequentia l 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 techn ical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorize d for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other appli cation in which the failure of the scillc product could create a situation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of persona l injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufacture o fthe part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws a nd is not for resale in any manner.
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