specifications of any and all sanyo semiconductor co.,ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer ' s products or equipment. to verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer ' s products or equipment. any and all sanyo semiconductor co.,ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment. the products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. if you should intend to use our products for new introduction or other application different from current conditions on the usage of automotive device, communication device, office equipment, industrial equipment etc. , please consult with us about usage conditi on (temperature, operation time etc.) prior to the intended use. if there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. 30712 sy 20120112-s00002 no.a2016-1/4 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 an d other portable equipment. th e 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 c ontrol 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. v o (sat) = 0.55v typical at i o = 400ma ? thermal shutdown circuit ? no limitations on the magnitude relationship between the power supply voltage (v cc ) and the input voltage (v in ) specifications absolute maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum supply voltage v cc max -0.3 to +8.0 v output voltage v out v cc + v sf v input voltage v in -0.3 to +8.0 v ground pin outflow current i gnd 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 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 voltage type bidirectional motor driver orderin g numbe r : ena2016
LB1846MC no.a2016-2/4 allowable operating ranges at ta = 25 c parameter symbol conditions ratings unit supply voltage v cc 2.5 to 7.5 v input high-level voltage v ih 2.5 to 7.5 v input low-level voltage v il -0.3 to +0.7 v electrical characteristics at ta = 25 c, v cc = 5v parameter symbol conditions ratings unit min typ max current drain i cc 0 in1, 2, 3, 4 = 0v 0.1 10 a i cc 1 in1, 3 = 3v, in2, 4 = 0v 30 40 ma output saturation voltage v out 1 v in = 3v or 0v, v cc = 3 to 7.5v, i out = 200ma 0.27 0.4 v v out 2 v in = 3v or 0v, v cc = 4 to 7.5v, i out = 400ma 0.55 0.8 v input current i in v in = 5v 150 200 a spark killer diode reverse current i s (leak) 30 a forward voltage v sf i out = 400ma 1.7 v package dimensions unit : mm (typ) 3420 pin assignment sanyo : mfp10sk(225mil) 1 10 2 0.8 max 1.55 1.0 0.35 5.0 0.15 6.2 (1.5) 0.05 4.4 0.5 out4 10 out3 9 out1 8 out2 7 gnd top view 6 v cc 1 in4 2 in3 3 in1 4 in2 5 LB1846MC pd max -- ta 0 400 522 200 600 1000 800 870 60 40 80 100 020 --20 allowable power dissipation, pdmax - mw ambient temperature, ta - c
LB1846MC no.a2016-3/4 block diagram truth tables in1 in2 in3 in4 out1 out2 out3 out4 note l l l l off off off off standby h l l l h l off off 1-2 phase excitation h l h l h l h l l l h l off off h l l h h l l h h l l h l l l h off off l h l h l h l h l l l h off off l h h l l h h l l h h h - - the logic output for the first high-level input is produced. *2 - - h h note: *1 "-" indicates a "don ? t care" input. *2 if two high levels (h/h) are input to the in1/in2 pins with the timing shown in (1) in the figure below, then the in2 input that arrived later will be ignored and the ic will function as though an h/l combination is applied to the in1/in2 pins. similarly, the timing shown in (2 ) results in a l/h combination on the in1/in2 pins. v cc out1 stepping motor out2 out3 out4 in1 in2 in3 in4 gnd thermal shutdown circuit control block l in1(in3) h h l in2(in4) l h (1) l in1(in3) l h l in2(in4) h h (2)
LB1846MC ps no.a2016-4/4 this catalog provides information as of march, 2012. specifications and information herein are subject to change without notice. sanyo semiconductor co.,ltd. assumes no responsib ility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all sanyo semiconductor co.,ltd. products described or contained herein. sanyo semiconductor co.,ltd. strives to supply high-quality high-reliab ility pr oducts, however, any and all semiconductor products fail or malfunction with some probab ility. it is possible that these pr obab ilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause dam age to other property. when designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of sanyo semiconductor co.,ltd. or any third party. sanyo semiconductor co.,ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equip ment, refer to the "delivery specification" for the sanyo semiconductor co.,ltd. product that you intend to use. in the event that any or all sanyo semiconductor co.,ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written consent of sanyo semiconductor co.,ltd. 8 6 24 7 59 13 0 0 10 20 30 40 50 8 6 24 7 59 13 0 i in -- v in 0 40 80 120 160 200 240 280 v cc =v in , in1 / 2 / 3 / 4=h / l / h / l v cc =5v 0 0.2 0.4 0.6 0.8 1.0 0.7 0.5 0.1 0.3 0.6 0.4 0 0.2 v out -- i out v cc =v in =4.0v i cc - v cc characterstics power-supply voltage, v cc - v current drain, i cc - ma input current, i in - a output saturation voltage, v out - v input voltage, v in - v input current, i out - a
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