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| SteprMotorDriverIC MTDSeris MTD2018G Features *oeDual ful bridge for a bipolar steper motor driver daoLoe* suylp tega 35V , Outt cunt 0.8A lov up er Cnstant cunt contrlo (Fixde OFF time PWM contr) oe* o er lo *oe2-bit selectable curent lev (Ful step/Half step/Quarter ste *oeLogic suply 3.3V onyl *oeStand-by function *oeBuilt-in flywhe and flyback diodes Undre tega ck t nction oe* lov ol uo uf Tmla shtn ith stesis oe* reh u wod w yh er Sce mont cegak ith t sink(HSOP24) oe* afru u ap w aeh Aste mamm tings / Ta25*Z * b ulo x u ar = Paramter e Outp vol ag e Outp c r e n Logicsu p l y Logic n pu t Power dissipation Storage temture range pera Maximum Junction temperature *1 : 50.8*~50.8*~1mm 3 DualFu-bridge MicrostepingPWMMotorDriver p) 24 POSH Symolb mV IT UO Vc V P LOGCI D*1 Rating 35 0.8 0*3.6 0*Vc 2.1 -40*150 150 2 4),200mm Unit V A V V W *Z *Z Cuper Pattern Tstg Tj Glass Epoxy Board(FR Pin Assignment * MTD2018G PHA 1 Vcc 1 Vmm 1 OUT 1A SENSE 1 OUT 1B GND OUT 2B SENSE 2 OUT 2A Vmm 2 Vcc 2 PHA 2 7 8 9 10 11 12 18 17 16 15 14 13 1 2 3 4 5 6 Tth taelb * ur TOP VIEW 24 23 22 21 20 19 PHA1or2 L H TA UO L H Output curent tio%[] ar 100 L H H STB L H stand by act i ve 67 33 0 Mode OUTB H L VrV] [ (at VREF=3.3V) 0.330*}5% 0.221*}8% 0.109*}10% - I0 1 I1 1 Vs 1 VREF 1 CR 1 STB GND I0 L H L H I1 L GND CR 2 VREF 2 Vs 2 I1 2 I0 2 MfdtL.oCg cirt elEn g d hS W1002 *Blockdiagrm/Typicalpplication *oeConstantchoppingcurentlev Ichop = VREF - 0.015 10 Rs *oeRecommendcomponentvalues Symbol Recommendcomponentvalues Unit Toff = 1.1CtRt *Outline Drawing (Unit : mm) ! Althoug we are constaly making evry efort to improve the qu probailty tha the semicondutr products may ocasinly fai malfunctios to avoid any injures, fire acidents or social los spread prevntio, and design for prevntig malfunctios. ! ality and reliabty of our products, ther nevrthls remain l or malfunctio. Pleas take careful precautions aginst produc s by implentg safety design such as redunacy design, des ned or manufctred to be used in devics or sytem requing or malfunctio of whic may directly threan human lives or ca tems for special aplictons or devics or sytem for special nce. devics for core network, trafic signal devics, fire prevnti s a certain t failures or igns for fi er Our semicondutr products listed in this document are not desig extrmly hig levs of quality and reliabty, or the failure In the case wher the products are to be used in devics or sy aplictons shown below, alwys make sure to consult us in adv Special Aplicatons Transpoti devics (automive, marine, etc.), comuniat devics, various safety devics, medical devics, etc. Specialzd Aplicatons Nuclear power contrl sytem, aircft and aerospc devics, s Even if it is not for a special or specialzd aplicton, when a long period under contius operatin, pleas make sure to co use injury. zed on/aticrme ubmarine relay devics, and sytem for presving life, etc. IC products are to be used for devics or sytem tha are desi nsult our sale repsntaiv in advnce. red to last for *oe We resv the right to make any changes to the contes of th *oe Details of specifaton should be exchangd at the adoptin *oe Al informat include in this manul is belivd to be acu damge incured when using the IC products as describ in infrgemt of paten or other rights caused by using thi *oe The provisn of this manul does not guarnte the right to u or other rights of our company. *oe No part of this manul may be repoduc or copied withou the is manul withou prio notice in acordne with modifcatns of the IC products. rate and reliab. Howevr, our company takes no responiblty this manul. Neithr do we take any responiblty for isue ar s manul. se any third party's paten or other rights, or grant permison specif writen conset of Shindeg Electri Mfg. Co., Ltd. to IC products. for any injury or isng from to use the paten |
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