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product structure silicon monolithic integrated circuit this product has no designed protection against radioactive rays 1/ 13 tsz22111 ? 1 4 ? 001 ? 20 1 5 rohm co., ltd. all rights reserved. tsz02201 - 0h5h0bk01280 - 1 - 2 06.nov.2015 rev.001 www.rohm.com motor / actuator drivers dc brush motor series automotive 1ch h bridge driver ( 50v max) BD6941FM general description BD6941FM is a reversible motor driver with an output current of 1.25a (1motor) . it can c ontrol a dc motor in four modes : forward, reverse , standby, and brake , using two control logic inputs. features ? 1 ch dmos h b ridge o utput ? four o utput s tates (forward, reverse, standby, and brake) through t wo c ontrol l ogic ? low standby c urrent ? built-in output counter-electromotive force absorption diode ? o ver -c urrent p rotection with t imer (ovp) ? over v oltage d etection (s witch off ) ? tsd d etects j unction t emperature and c ircuitry s witches off the o utputs at h igh t emperature. ? built - in over - current p rotection m onitor p in (po) applications onboard d evices (vehicl e e quipment , etc . ) key specifications ? input supply voltage range : 8 . 0 v to 16 v ? output on resistor ( total ): 0. 84 (typ) ? output current: 1.25a(max) ? operating temperature range : -40c to +105 c package w (typ) x d (typ) x h (max) h sop - m36 18.50mm x 9.90mm x 2.40mm typical application circuit and block diagram ts d 1 over voltage protection 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 36 35 34 33 32 31 30 29 28 27 26 24 23 22 21 20 19 n.c . n.c . n.c . n.c . n.c . mn sgnd mn v cc n.c. n.c. v cc n.c. n.c. sgnd po n.c. n.c. n.c. n.c. n.c. n.c. sgnd inn n.c. n.c. n.c. n.c. n.c. mp pgnd mp protection monitor over - current protection inp n.c . n.c. pgnd m control logic 25 datashee t datashee t
2 / 13 b d 6941fm ? 20 1 5 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 15 001 06.nov.2015 rev.001 tsz02201 - 0h5h0bk01280 - 1 - 2 pin c onfiguration 1 n.c. n.c. 36 2 n.c. n.c. 35 3 n.c. n.c. 34 4 n.c. n.c. 33 5 n.c. n.c. 32 6 n.c. pgnd 31 7 s gnd pgnd 30 8 mn mp 29 9 mn mp 28 fin fin fin fin 10 vcc n.c. 27 11 vcc n.c. 26 12 n.c. n.c. 25 13 n.c . n.c. 24 14 n.c. n.c. 23 15 n.c. n.c. 22 16 n.c. sgnd 21 17 sgnd inn. 20 18 po inp 19 pin description s pin no. terminal name function 1 - 6 n . c . n . c . 7 sgnd signal gnd pin 8 mn motor output pin 9 mn motor output pin fin fin fin 10 v cc power supply pin 11 v cc power supply pin 12 - 16 n . c . n . c . 17 sgnd signal gnd pin 18 po protection monitor pin (open drain) 19 inp logi c input pin 20 inn logic input pin 21 sgnd signal gnd pin 22 - 27 n . c . n . c . fin fin fin 28 mp motor output pin 29 mp motor output pin 30 pgnd power gnd pin 31 pgnd power gnd pin 3 2 - 36 n . c . n . c . top view
3 / 13 b d 6941fm ? 20 1 5 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 15 001 06.nov.2015 rev.001 tsz02201 - 0h5h0bk01280 - 1 - 2 absolute maximum ratings ( ta= 25 c) parameter symbol l imit unit supply voltage v cc 50 v input voltage v inp , v inn - 0.3 to + 20 v output current i o ut 1.25 ( note 1) a power dissipation pd 2.8 0 ( note 2) w operating temperature topr - 40 to + 105 c storage temperature tstg - 55 to + 150 c junction temperature tjmax 150 c (note 1 ) not to exceed pd and aso. (note 2 ) mounted on a glass epoxy pcb (70mm x 70mm x 1.6mm). to use at temperature above ta=25 c reduce 22.4mw/ c . caution : operating the ic over the absolute maximum ratings may damage the ic. the damage ca n either be a short circuit between pins or an open circuit between pins and the internal circuitry. therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the ic is operated over the absolute maximum ratings. r ecommended operating condition s parameter symbol limit unit min typ max supply voltage v cc 8 12 16 v electrical characteristics ( unless otherwise specified , v cc = 8v to 16v, ta= - 40 c to + 105 c) parameter symbol limit unit conditions min typ max circuit current 1 i cc 1 - 0 10 a standby mode circuit current 2 i cc 2 - 3 8 ma forward or reverse mode circuit current 3 i cc 3 - 3 8 ma brake mode ,qsxw9rowdjh3+ level v ih 3.0 - - v ,qsxw9rowdjh3/ level v il - - 1.0 v 3+ level input current i ih - 50 100 $ v in =5.0v, flowing in current 3 l /hyho,qsxw&xuuhqw i il - 0 10 $ v in =0v, flowing out current output on voltage 1 v on1 - 0.84 1.5 v v cc =12v, i out =0.5a, total drop output on voltage 2 v on2 - - 1.7 v v cc =8 v to 16v, i out =0.5a, total drop o utput /hdndjh&xuuhqw3 h i lh - 0 10 a v out =0v output /hdndjh&xuuhqw3 l i ll - 0 10 a v out =v cc upper free - wheeling diode forward voltage v fh 0.3 1.0 1.5 v i f =0.6a lower free - wheeling diode forward voltage v fl 0.3 1.0 1.5 v i f =0.6a protection mon itor voltage v lpo - - 0.6 v i po =3ma protection monitor leakage current i lpo - 0 10 a v po =v cc over - current protection switch on current i ocp 1.5 - 3.5 a over voltage lockout switch on voltage v ovp 25 30 35 v
4 / 13 b d 6941fm ? 20 1 5 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 15 001 06.nov.2015 rev.001 tsz02201 - 0h5h0bk01280 - 1 - 2 typical performance curves figure 4. output on voltage vs output current ( v cc =12v ) ta= - 40c ta=25c ta=105c figure 3. inpu t current vs input voltage 3+/hyho input current) input voltage : v in [v] input current : i in [a] ta=25c ta=40c ta=105c figure 1. c ircuit current vs supply voltage (forward reverse brake) supply voltage : v cc [v] c ircuit c urrent : i cc [ m a] t a= >+ 40 c ta=25 c ta=105 c figure 2. output v oltage vs input voltage input voltage : v in [v] output voltage : v out [v] ta=105c ta= - 40c ta=25c output current : i out [a] output on voltage : v o n [v] 0 5 10 15 20 0 1 2 3 4 v in [v] v out [v] 0 0.5 1 1.5 2 2.5 3 0 0.4 0.8 1.2 1.6 0 50 100 150 200 0 4 8 12 16 ? 0 2 4 6 8 8 10 12 14 16 vcc[v] icc[
5 / 13 b d 6941fm ? 20 1 5 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 15 001 06.nov.2015 rev.001 tsz02201 - 0h5h0bk01280 - 1 - 2 typical performance curves C 0 1 2 3 4 -40 -10 20 50 80 ta[ 0 0.04 0.08 0.12 0.16 0 1 2 3 4 i po [a] 0.0 0.3 0.6 0.9 1.2 0.0 0.4 0.8 1.2 1.6 0.0 0.3 0.6 0.9 1.2 0.0 0.4 0.8 1.2 1.6
6 / 13 b d 6941fm ? 20 1 5 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 15 001 06.nov.2015 rev.001 tsz02201 - 0h5h0bk01280 - 1 - 2 typical performance curves C 25 27 29 31 33 35 -40 0 40 80 ta[ 0 100 200 300 400 -40 0 40 80 ta[ 0 5 10 15 20 -40 0 40 80 ta[]
7 / 13 b d 6941fm ? 20 1 5 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 15 001 06.nov.2015 rev.001 tsz02201 - 0h5h0bk01280 - 1 - 2 application information 1. signal table (1) input/output truth table in out mode inp inn mp mn h h l l brake h l h l forward l h l h reverse l l o pen o pen standby (2) output condition in out po inp inn mode load h h brake normal h short l (note 1 ) h/l l/h forward/ reverse normal h short l (note 1 ) l l standby - h (note 1 ) r ef er to timing chart 2. po output timing chart t o ff n ormal o ver - c urrent d etection i ocp output current 0 mp/mn state po active open t on 10 sec t off 29 0 sec n ormal t on
8 / 13 b d 6941fm ? 20 1 5 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 15 001 06.nov.2015 rev.001 tsz02201 - 0h5h0bk01280 - 1 - 2 power dissipation mounted on a glass epoxy pcb (70mm x 70mm x 1.6mm) to use at temperature above ta=25 c reduce 22.4mw/ c . i/o e quivalen t c ircuit s 1. inp , inn 2. po 3. mp, mn 25 50 75 100 125 150 ta( c ) 0 1.0 2.8 3.0 105 pd(w) 2.0 0 v cc mp , mn pgnd po sgnd v cc v cc 100k inp inn sgnd
9 / 13 b d 6941fm ? 20 1 5 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 15 001 06.nov.2015 rev.001 tsz02201 - 0h5h0bk01280 - 1 - 2 operational notes 1. reverse c onnection of p ower s upply connecting the power supply in reverse polarity can damage the ic. take pr ecautions against reverse polarity whe n connecting the power supply , such as mounting an external diode between the power supply and the ic ? s power supply pin s. 2. power s upply l ines design the pcb layout pattern to provide low impedance supply lines. s eparate the ground and supply lines of the digital and analog blocks to prevent noise in the ground and supply lines of the digital block from affecting the analog block . furthermore, connect a capacitor to ground at all power supply pins . consider the effect of temperature and aging on the capacit ance value when using electrolytic capacitors. 3. g round voltage ensure that no pins are at a voltage below that of the ground pin at any time, even during transient condition. 4. g round w iring p attern when using both small - signal and large - current ground trac es, the two ground traces should be routed separately but connected to a single ground at the reference point of the application board to avoid fluctuations in the small - signal ground caused by large currents. also ensure that the ground traces of external components do not cause variations on the ground voltage. the ground lines must be as short and thick as possible to reduce line impedance. 5. thermal c onsideration should by any chance the power dissipation rating be exceeded the rise in temperature of the chip may result in deterioration of the properties of the chip. in case of exceeding this absolute maximum rating, increase the board size and copper area to prevent exceeding the pd rating. 6. recommended o perating c onditions these conditions represent a r ange within which the expected characteristics of the ic can be approximately obtained . the e lectrical characteristics are guaranteed under the conditions of each parameter . 7. inrush current when power is first supplied to the ic, it is possible that the in ternal logic may be unstable and inrush current may flow instantaneously due to the internal powering sequence and delays, especially if the ic has more than one power supply. therefore, give special consideration to power coupling capacitance, power wirin g, width of ground wiring, and routing of connections. 8. operation u nder s trong e lectromagnetic f ield operating the ic in the presence of a strong electromagnetic field may cause the ic to malfunction . 9. testing on a pplication b oards when testing the ic on a n application board, connecting a capacitor directly to a low - impedance output pin may vxemhfwwkh,&wrvwuhvv$ozd\vglvfkdujhfdsdflwruvfrpsohwho\diwhuhdfksurfhvvruvwhs7kh,&?vsrzhuvxsso\ should always be turned off completely before connecti ng or removing it from the test setup during the inspection process. to prevent damage from static discharge, ground the ic during assembly and use similar precautions during transport and storage. 10. inter - pin short and mounting errors ensure that the direc tion and position are correct when mounting the ic on the pcb. incorrect mounting may result in damaging the ic. avoid nearby pins being shorted to each other especially to ground , power supply and output pin . inter - pin shorts could be due to many reasons such as metal particles, water droplets (in very humid environment) and unintentional solder bridge deposited in between pins during assembly to name a few.
10 / 13 b d 6941fm ? 20 1 5 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 15 001 06.nov.2015 rev.001 tsz02201 - 0h5h0bk01280 - 1 - 2 operational notes C n n p + p n n p + p s u b s t r a t e g n d n p + n n p + n p p s u b s t r a t e g n d g n d p a r a s i t i c e l e m e n t s p i n a p i n a p i n b p i n b b c e p a r a s i t i c e l e m e n t s g n d p a r a s i t i c e l e m e n t s c b e t r a n s i s t o r ( n p n ) r e s i s t o r n r e g i o n c l o s e - b y p a r a s i t i c e l e m e n t s
11 / 13 b d 6941fm ? 20 1 5 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 15 001 06.nov.2015 rev.001 tsz02201 - 0h5h0bk01280 - 1 - 2 ordering information b d 6 9 4 1 f m - e 2 part number package fm : hsop - m36 packaging and forming specification e2: embossed tape and reel marking diagram hsop - m 36 (top view) b d 6 9 4 1 f m part number marking lot number 1pin mark
12 / 13 b d 6941fm ? 20 1 5 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 15 001 06.nov.2015 rev.001 tsz02201 - 0h5h0bk01280 - 1 - 2 physical dimension , tape and reel information package name hsop - m36 >& unit >8 mm >' pkg >8 hsop - m36 drawing: ex142 - 5001 max 1 8.7 5 (include. burr) m ark
13 / 13 b d 6941fm ? 20 1 5 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 15 001 06.nov.2015 rev.001 tsz02201 - 0h5h0bk01280 - 1 - 2 revision history date revision changes 06.nov .2015 001 new release
datasheet d a t a s h e e t notice-pga-e rev.00 2 ? 2015 rohm co., ltd. all rights reserved. notice precaution on using rohm products 1. our products are designed and manufac tured for application in ordinary elec tronic equipments (such as av equipment, oa equipment, telecommunication equipment, home electroni c appliances, amusement equipment, etc.). if you intend to use our products in devices requiring ex tremely high reliability (such as medical equipment (note 1) , transport equipment, traffic equipment, aircraft/spacecra ft, nuclear power controllers, fuel c ontrollers, car equipment including car accessories, safety devices, etc.) and whose malfunction or failure may cause loss of human life, bodily injury or serious damage to property (?specific applications?), please consult with the rohm sale s representative in advance. unless otherwise agreed in writing by rohm in advance, ro hm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of any ro hm?s products for specific applications. (note1) medical equipment classification of the specific applications japan usa eu china class class class b class class class 2. rohm designs and manufactures its products subject to strict quality control system. however, semiconductor products can fail or malfunction at a certain rate. please be sure to implement, at your own responsibilities, adequate safety measures including but not limited to fail-safe desi gn against the physical injury, damage to any property, which a failure or malfunction of our products may cause. the following are examples of safety measures: [a] installation of protection circuits or other protective devices to improve system safety [b] installation of redundant circuits to reduce the impact of single or multiple circuit failure 3. our products are designed and manufactured for use under standard conditions and not under any special or extraordinary environments or conditio ns, as exemplified below. accordin gly, rohm shall not be in any way responsible or liable for any damages, expenses or losses arising from the use of an y rohm?s products under any special or extraordinary environments or conditions. if you intend to use our products under any special or extraordinary environments or conditions (as exemplified bel ow), your independent verification and confirmation of product performance, reliability, etc, prior to use, must be necessary: [a] use of our products in any types of liquid, incl uding water, oils, chemicals, and organic solvents [b] use of our products outdoors or in places where the products are exposed to direct sunlight or dust [c] use of our products in places where the products ar e exposed to sea wind or corrosive gases, including cl 2 , h 2 s, nh 3 , so 2 , and no 2 [d] use of our products in places where the products are exposed to static electricity or electromagnetic waves [e] use of our products in proximity to heat-producing components, plastic cords, or other flammable items [f] sealing or coating our products with resin or other coating materials [g] use of our products without cleaning residue of flux (ev en if you use no-clean type fluxes, cleaning residue of flux is recommended); or washing our products by using water or water-soluble cleaning agents for cleaning residue after soldering [h] use of the products in places subject to dew condensation 4. the products are not subjec t to radiation-proof design. 5. please verify and confirm characteristics of the final or mounted products in using the products. 6. in particular, if a transient load (a large amount of load applied in a short per iod of time, such as pulse. is applied, confirmation of performance characteristics after on-boar d mounting is strongly recomm ended. avoid applying power exceeding normal rated power; exceeding the power rating under steady-state loading c ondition may negatively affect product performance and reliability. 7. de-rate power dissipation depending on ambient temperatur e. when used in sealed area, c onfirm that it is the use in the range that does not exceed t he maximum junction temperature. 8. confirm that operation temperat ure is within the specified range descr ibed in the product specification. 9. rohm shall not be in any way responsible or liable for fa ilure induced under deviant condi tion from what is defined in this document. precaution for mounting / circuit board design 1. when a highly active halogenous (chlori ne, bromine, etc.) flux is used, the resi due of flux may negatively affect product performance and reliability. 2. in principle, the reflow soldering method must be us ed on a surface-mount products, the flow soldering method must be used on a through hole mount products. if the flow sol dering method is preferred on a surface-mount products, please consult with the rohm representative in advance. for details, please refer to rohm mounting specification
datasheet d a t a s h e e t notice-pga-e rev.00 2 ? 2015 rohm co., ltd. all rights reserved. precautions regarding application examples and external circuits 1. if change is made to the constant of an external circuit, pl ease allow a sufficient margin c onsidering variations of the characteristics of the products and external components, including transient characteri stics, as well as static characteristics. 2. you agree that application notes, re ference designs, and associated data and in formation contained in this document are presented only as guidance for products use. theref ore, in case you use such information, you are solely responsible for it and you must exercise your own indepen dent verification and judgment in the use of such information contained in this document. rohm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of such information. precaution for electrostatic this product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. please take proper caution in your manufacturing process and storage so that voltage exceeding t he products maximum rating will not be applied to products. please take special care under dry condit ion (e.g. grounding of human body / equipment / solder iron, isolation from charged objects, se tting of ionizer, friction prevention and temperature / humidity control). precaution for storage / transportation 1. product performance and soldered connections may deteriora te if the products are stor ed in the places where: [a] the products are exposed to sea winds or corros ive gases, including cl2, h2s, nh3, so2, and no2 [b] the temperature or humidity exceeds those recommended by rohm [c] the products are exposed to di rect sunshine or condensation [d] the products are exposed to high electrostatic 2. even under rohm recommended storage c ondition, solderability of products out of recommended storage time period may be degraded. it is strongly recommended to confirm sol derability before using products of which storage time is exceeding the recommended storage time period. 3. store / transport cartons in the co rrect direction, which is indicated on a carton with a symbol. otherwise bent leads may occur due to excessive stress applied when dropping of a carton. 4. use products within the specified time after opening a hum idity barrier bag. baking is required before using products of which storage time is exceeding the recommended storage time period. precaution for product label qr code printed on rohm products label is for rohm?s internal use only. precaution for disposition when disposing products please dispose them proper ly using an authorized industry waste company. precaution for foreign exchange and foreign trade act since concerned goods might be fallen under listed items of export control prescribed by foreign exchange and foreign trade act, please consult with rohm in case of export. precaution regarding intellectual property rights 1. all information and data including but not limited to application example contain ed in this document is for reference only. rohm does not warrant that foregoi ng information or data will not infringe any intellectual property rights or any other rights of any third party regarding such information or data. 2. rohm shall not have any obligations where the claims, actions or demands arising from the co mbination of the products with other articles such as components, circui ts, systems or external equipment (including software). 3. no license, expressly or implied, is granted hereby under any intellectual property rights or other rights of rohm or any third parties with respect to the products or the informati on contained in this document. pr ovided, however, that rohm will not assert its intellectual property rights or other rights against you or your customers to the extent necessary to manufacture or sell products containing the produc ts, subject to the terms and conditions herein. other precaution 1. this document may not be reprinted or reproduced, in whol e or in part, without prior written consent of rohm. 2. the products may not be disassembled, converted, modified, reproduced or otherwise changed without prior written consent of rohm. 3. in no event shall you use in any wa y whatsoever the products and the related technical information contained in the products or this document for any military purposes, incl uding but not limited to, the development of mass-destruction weapons. 4. the proper names of companies or products described in this document are trademarks or registered trademarks of rohm, its affiliated companies or third parties.
datasheet datasheet notice ? we rev.001 ? 2015 rohm co., ltd. all rights reserved. general precaution 1. before you use our pro ducts, you are requested to care fully read this document and fully understand its contents. rohm shall n ot be in an y way responsible or liabl e for fa ilure, malfunction or acci dent arising from the use of a ny rohms products against warning, caution or note contained in this document. 2. all information contained in this docume nt is current as of the issuing date and subj ec t to change without any prior notice. before purchasing or using rohms products, please confirm the la test information with a rohm sale s representative. 3. the information contained in this doc ument is provi ded on an as is basis and rohm does not warrant that all information contained in this document is accurate an d/or error-free. rohm shall not be in an y way responsible or liable for an y damages, expenses or losses incurred b y you or third parties resulting from inaccur acy or errors of or concerning such information.
datasheet part number BD6941FM package hsop-m36 unit quantity 1500 minimum package quantity 1500 packing type taping constitution materials list inquiry rohs yes BD6941FM - web page distribution inventory

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