thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun tdx01d485 2013.12.04-a/1 page1of3 features l two-port electrical isolation input and output l integrated isolated dc/dc converter l bus protection l isolation voltage 2.5kvdc l operating temperature range:-40 ~+85 l baud rate 9600bps, l connect up to 32 nodes on one bus l low electromagnetic radiation l high electromagnetic immunity generaldescription TD301D485/td501d485 series are transceiver isolation modulewithintegratedduplex powerisolation,electrical isolation,andrs-485interfacebusprotector;productscan beeasilyembeddedintheuserequipment,achievefunction of rs-485networkconnection. theisolationrs-485circuitsofusingapieceofpower isolation module, three light couplings and rs-485 transceiversanddeviceareonlyneedtoadoptars485 isolationmodulenow.simplifythecustomersontheisolation requirementsofthedesign. single low rate rs 485 isolationtransceivermodule TD301D485 3.3vpowersupply td501d485 5.0vpowersupply rohs partnumbersystem TD301D485 port ignaltype package channelnumber power distribution output power input digital bus product type s type selectionguide model powerinput TD301D485 3.17v~3.45v td501d485 4.75v~5.25v electricalcharacteristics inputparametersofpower supply staticcurrent td501d485 30ma,TD301D485 40ma sendcurrent td501d485 40ma,TD301D485 60ma powerdissipation 0.2w inputparameters serialinterface td501d485compatiblewith+5vuartinterface TD301D485compatiblewith+3.3vuartinterface pincurrent i txd 5ma; i rxd 3ma; i con 5ma outputparameters 485businterface standardinterfacers485,pull-upandpull-downresistor,whosevalueis 4.7k,havebeensettoa/bline. transmissionspecifications datarate maximum9600bpsbps datadelay thedelaytimefromthereceivingdataswitchtothesenddata:30 s(min),100 s(max). thenumberofnodes connectupto32nodesononebus transceivercontrol contrarytocommon485transceivercontrollevel truthtable sendingstatus control input output con txd a b linestate 0 1 1 0 normal 0 0 0 1 normal receivingstatus control input output con a-b rxd 1 0.2v 1 1 -0.2v 0 isolationspecifications electricalisolation two-portisolation(inputandoutput) isolationvoltage 2.5kvdc(testedfor1minuteandleakagecurrent<5ma,humidity<95%)
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun tdx01d485 2013.12.04-a/1 page2of3 emc specifications emi ce cispr22/en55022 classa externalcircuitrefertofigure1- re cispr22/en55022 classa externalcircuitrefertofigure1- ems esd iec/en61000-4-2 contact 4kv perf.criteriab rs iec/en61000-4-3 10v/m perf.criteriaa eft iec/en61000-4-4 powerport 2kv perf.criteriab externalcircuitrefertofigure1- iec/en61000-4-4 signalport 1kv perf.criteriab externalcircuitrefertofigure1- ems surge iec/en61000-4-5 powerport 1kv/2kv perf.criteriab externalcircuitrefertofigure1- iec/en61000-4-5 signalport 4kv/6kv perf.criteriab externalcircuitrefertofigure1- cs iec/en61000-4-6 3vr.m.s perf.criteriaa othercharacteristics environmentaltemperature operatingtemperature:-40 ~+85 transportandstoragetemperature:-50 ~+105 operatinghumidity 10%~90% size 19.9*16.9*7.05(unit:mm) weight about10g applicationenvironment thepresenceofdust,fiercevibration,impulsionandcorrosivegasmaycausedamagetotheproduct note:1.allspecificationsmeasuredatta=25 c,humidity<75%,nominalinputvoltageandratedoutputloadunlessotherwisespecified. 2.allspecificationsstatedinthisdatasheetaresubjecttotheabovelistedmodelsonly.forspecificationsofnon-standardmodels,pleasecontactourtechnical supportteam. emcrecommendedcircuit gnd + txd l1 rxd con rgnd a b 1 2 3 4 5 10 9 8 tvs1c1 c2 c3 r2 tvs2 r3 tvs3 tvs4 gdt r1 c4 vcc c5 c6 a1 b1 (figure1)overallplan(detailparameterrefertoitem) table1 model TD301D485 td501d485 c1 220uf/10v(electrolyticcapacitor) tvs1 smcj5.0a smcj6.5a c2,c3 1uf/25v l1 10 h c4 1nf/2kv r1 1m c5,c6 100pf/100v tvs2,tvs3, tvs4 smbj15ca r2,r3 10 /2w(wirewoundresistance) gdt b3d090l-c
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun tdx01d485 2013.12.04-a/1 page3of3 note: 1.allspecificationsmeasuredatta=25 c,humidity<75%,nominalinputvoltageandratedoutputloadunlessotherwisespecified. 2.inthisdatasheet,alltestmethodsandsetuparebasedonourcorporatestandards. 3.allcharacteristicsaremeantforlistedmodel,non-standardmodelsmayperformdifferently,youcancontactmornsunfaeformoredetails. 4.contactusforyourspecificrequirement. 5.specificationsaresubjecttochangewithoutpriornotice. mornsunscience&technologyco.,ltd. address:no.5,kehuist.1,kehuidevelopmentcenter,scienceave.,guangzhousciencecity,luogangdistrict,guangzhou,p.r.china. tel:86-20-38601850 fax:86-20-38601272 e-mail:info@mornsun.cn http://www.mornsun-power.cn applicationnote 1. pleasereadtheusermanualcarefullybeforeusing.ifanyquestionpleasecontactourtechnicalsupportdepartment. 2. pleasedonotusethisproductinhazardousarea. 3.toavoidinvalidexplosionprotectionfunction,oranyfailure,usersdisassemblethisproductisforbidden. afterservice 4. productsarecarefullyinspectedandqualitycontrolduringproductionandbeforeshipment.iftheyoperatedabnormallyortherewereanything wrong,pleasecontactouragentnearyouormornsunfaeassoonaspossible. 5.mornsunwarrantyourproductfor3yearsfrommanufacturingdate.duringthisperiod,mornsunwillrepairorreplacetheproductif productwasfoundtohavemanufacturingdefect. applicationguide seethecommunicationinterfaceproductapplicationguide. typicalapplicationscircuitdiagram rxd mcu con vcc txd gnd vcc rxd 4 85bus a b txd 3 4 5 1 2 con rgnd 8 10 9 r outlinedimensions,recommendedfootprint&packaging
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