82098ha (kt)/1220ta, ts no.3321-1/4 sanyo electric co.,ltd. semiconductor bussiness headquaters tokyo office tokyo bldg., 1-10, 1 chome, ueno, taito-ku, tokyo, 110-8534 japan any and all sanyo products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft? control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. consult with your sanyo representative nearest you before using any sanyo products described or contained herein in such applications. sanyo assumes no responsibility 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 products described or contained herein. monolithic digital ic 2-phase stepping motor driver ordering number:en3321 LB1656M r e t e m a r a pl o b m y ss n o i t i d n o cs g n i t a rt i n u e g a t l o v y l p p u s n o i t c e s c i g o lv c c 7v e g a t l o v y l p p u s g n i k e e sv 1 s 5 1v e g a t l o v y l p p u s g n i d l o hv 2 s 7v e g a t l o v t u p n iv n i v o t 0 c c v t n e r r u c g n i k e e s k a e pi o k a e pt s m 5 0 0 5a m t n e r r u c g n i k e e s s u o u n i t n o ci s o 0 3 3a m t n e r r u c g n i d l o hi h o 0 0 2a m n o i t a p i s s i d r e w o p e l b a w o l l ax a m d p 9 . 0w e r u t a r e p m e t g n i t a r e p or p o t 0 7 o t 0 2 C e r u t a r e p m e t e g a r o t sg t s t 5 2 1 + o t 5 5 C package dimensions unit:mm 3097-mfp16fs [LB1656M] overview the LB1656M is a dual bridge driver ic suited for use in 2-phase bipolar stepping motor driver for fdd (3 to 5.25 inches) head actuator. the maximum driver current voltage is 0.33a 12v/ bridge. features ? power save function. ? ?1, ?2 direction inputs are used to make driver output selection. ? low saturation voltage. ? low current drain. ? direct controllable from mpu due to low input current. ? input level : ttl, lsttl, 5v cmos compatible. ? on-chip thermal shutdown (tsd) circuit. specifications absolute maximum ratings at ta = 25?c ?c allowable operating conditions at ta = 25?c ?c sanyo : mfp16fs r e t e m a r a pl o b m y ss n o i t i d n o c s g n i t a r t i n u n i mp y tx a m e g a t l o v y l p p u s n o i t c e s c i g o lv c c 5 . 40 . 55 . 5v e g a t l o v y l p p u s g n i k e e sv 1 s 2 . 0 10 . 2 18 . 3 1v e g a t l o v y l p p u s g n i d l o hv 2 s 5 . 40 . 55 . 5v
no.3321-2/4 LB1656M electrical characteristics at ta = 25?c, v cc =5v, v s2 =5v, v s1 =12v r e t e m a r a pl o b m y ss n o i t i d n o c s g n i t a r t i n u n i mp y tx a m e g a t l o v l e v e l - w o l t u p n iv l i 8 . 0v e g a t l o v l e v e l - h g i h t u p n iv h i 0 . 2v t n e r r u c l e v e l - w o l t u p n ii l i v i v 8 . 0 =0 1 C0 1 +a t n e r r u c l e v e l - h g i h t u p n ii h i v i v 2 =20 1a v i v 5 =3 . 00 . 1a m n i a r d t n e r r u ci c c v , v 8 . 0 = s p c c 5 23 3a m v , v 8 . 0 = s p 1 s 1 e t o n ,60 1a m v , v 8 . 0 = s p 2 s 2 e t o n ,1 . 0a m v , v 2 = s p c c 5 23 3a m v , v 2 = s p 1 s 1 e t o n ,12a m v , v 2 = s p 2 s 2 e t o n ,5 . 24a m e g a t l o v r o t s i s n a r t t u p t u ov r e c ) r b ( i c a m 0 1 =8 1v v 1 s e g a t l o v n o i t a r u t a sv 1 ) t a s ( e c i , v 8 . 0 = s p o 3 e t o n , a m 0 3 3 =5 . 10 . 2v v 2 s e g a t l o v n o i t a r u t a sv 2 ) t a s ( e c i , v 0 . 2 = s p o 3 e t o n , a m 0 3 1 =5 . 10 . 2v e g a t l o v p m a l cv f i f r e p p u , a m 0 3 3 =3v i f r e w o l , a m 0 3 3 =5 . 1v e m i t y a l e d t h l p 4s t l h p 2s e r u t a r e p m e t g n i t a r e p o d s td s t 0 5 1 s i s e r e t s y h d s t d t 5 2 equivalent circuit block diagram note : 1. measure sum of currents at pins 4 and 13. 2. measure sum of currents at pins 5 and 12. 3. measure sum of saturation voltages at upper and lower level. the ?1, ?2 direction inputs are used to make driver output selection and the power save input is used to select the driver source output from between 5v supply and 12v supply. ?c ?c
no.3321-3/4 LB1656M pin assignment sample application circuit : 2-phase bipolar stepping motor driver. timing chart
ps no.3321-4/4 specifications of any and all sanyo 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? 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? products or equipment. sanyo electric co., ltd. strives to supply high-quality high-reliability products. however, any and all semiconductor products fail with some probability. it is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage 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. in the event that any and all sanyo products described or contained herein fall under strategic products (including services) controlled under the foreign exchange and foreign trade control law of japan, such products must not be exported without obtaining export license from the ministry of international trade and industry 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 permission of sanyo electric co. , ltd. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equipment, refer to the ?elivery specification for the sanyo product that you intend to use. information (including circuit diagrams and circuit parameters) herein is for example only ; it is not guaranteed for volume production. sanyo believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. this catalog provides information as of august, 1998. specifications and information herein are subject to change without notice. LB1656M
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