TCAN1042HGVDRQ1 SOP8 Rarraba Abubuwan Kayan Wutar Lantarki Sabon Asalin Gwajin Haɗin Keɓaɓɓiyar Chip IC TCAN1042HGVDRQ1

1.

PHY tauraro ne mai tasowa a cikin aikace-aikacen mota (kamar T-BOX) don watsa sigina mai sauri, yayin da CAN har yanzu memba ce mai mahimmanci don watsa siginar ƙananan sauri.T-BOX na gaba zai fi yiwuwa ya buƙaci nuna ID na abin hawa, amfani da man fetur, nisan mil, yanayin yanayin abin hawa (fitilar ƙofa da taga, mai, ruwa da wutar lantarki, saurin rashin aiki, da sauransu), saurin, wuri, halayen abin hawa. , Tsarin abin hawa, da dai sauransu akan hanyar sadarwar mota da hanyar sadarwar mota ta hannu, kuma waɗannan ƙananan watsa bayanai masu sauƙi suna dogara ne akan ainihin halin wannan labarin, CAN.

Bosch ne ya gabatar da bas ɗin CAN a Jamus a cikin 1980s kuma tun daga lokacin ya zama muhimmin ɓangaren motar.Don saduwa da buƙatun daban-daban na tsarin cikin-mota, an raba bas ɗin CAN zuwa CAN mai sauri da ƙananan sauri.Ana amfani da CAN mai sauri don sarrafa tsarin wutar lantarki wanda ke buƙatar babban aiki na lokaci-lokaci, kamar injuna, watsawa ta atomatik, da tarin kayan aiki.Ana amfani da ƙananan saurin CAN don kula da tsarin jin dadi da tsarin jiki wanda ke buƙatar ƙarancin aiki na lokaci-lokaci, irin su kula da kwandishan, daidaitawar wurin zama, ɗaga taga, da sauransu.A cikin wannan labarin, za mu mai da hankali kan CAN mai sauri.

Kodayake CAN fasaha ce da ta balaga, har yanzu tana fuskantar ƙalubale a aikace-aikacen mota.A cikin wannan takarda, za mu dubi wasu ƙalubalen da CAN ke fuskanta da kuma gabatar da fasahohin da suka dace don magance su.A ƙarshe, fa'idodin aikace-aikacen TI's CAN da samfuran “hardcore” ɗin sa za a bayyana dalla-dalla.

2.

Kalubale na ɗaya: haɓaka aikin EMI

Yayin da yawan na'urorin lantarki a cikin motoci ke ƙaruwa kowace shekara, ana buƙatar ƙarfin lantarki na lantarki (EMC) na hanyoyin sadarwa a cikin abin hawa, saboda lokacin da aka haɗa dukkan abubuwan da aka haɗa cikin tsarin iri ɗaya, yana da mahimmanci don tabbatar da cewa na'urorin suna aiki kamar yadda ake tsammani. , har ma da fuskantar yanayi masu hayaniya.Ɗaya daga cikin manyan ƙalubalen da CAN ke fuskanta shi ne wuce gona da iri da hayaƙin yanayi ya haifar.

Da kyau, CAN tana amfani da watsa mahaɗin daban don hana hayaniyar waje.A aikace, duk da haka, CAN transceivers ba su dace ba kuma ko da ɗan ƙaramin asymmetry tsakanin CANH da CANL na iya samar da siginar da ta dace daidai, wanda ke haifar da yanayin yanayin gama gari na CAN (watau matsakaicin CANH da CANL) su daina zama dindindin. Bangaren DC kuma ya zama hayaniyar dogaro da bayanai.Akwai rashin daidaituwa iri biyu da ke haifar da wannan amo: ƙaramar ƙarar ƙarar hayaniyar da ke haifar da rashin daidaituwa tsakanin matakan yanayin gama gari a cikin jahohin da ke da rinjaye da kuma jahohin da ke da koma baya, wanda ke da kewayon nau'ikan amo da yawa kuma yana bayyana a matsayin jeri iri ɗaya. layukan da ba a sani ba;da kuma ƙarar ƙararrawa mai girma wanda ya haifar da bambancin lokaci tsakanin canji tsakanin rinjaye da CANH da CANL, wanda ya ƙunshi gajeren bugun jini da damuwa da aka haifar da tsalle-tsalle na bayanan.Hoto na 1 da ke ƙasa yana nuna misalin CAN na yau da kullun na fitar da hayaniyar yanayin gama gari.Baƙi (tashar 1) shine CANH, purple (tashar 2) shine CANL kuma kore yana nuna jimlar CANH da CANL, ƙimar wanda yayi daidai da sau biyu na ƙarfin yanayin gama gari a wani lokaci a cikin lokaci.