Zvemotokari MCPCB | Kuvimbika Pasi Mamiriro Akanyanya

Nhanganyaya: Thermal Matambudziko muMotokari Electronics

Zvemagetsi masisitimu emotokari anoshanda munzvimbo dzinoda zvakanyanya uko tembiricha inogona kudarika 125 ° C pasi pemamiriro ehuvha, panguva imwe chete ichitsungirira kutenderera nguva dzose, kushanduka kwemwando, uye kupisa bhasikoro. Aya mamiriro akaoma anogadzira akakosha ekupisa manejimendi matambudziko anokanganisa zvakananga kuvimbika kwechikamu uye hupenyu hurefu hwehurongwa.

Tekinoroji yeMota yeMCPCB yave mhinduro yakakosha, ichipa kugona kwakanyanya kwekuparadza kupisa uko kunoita kuti irambe ichishanda zvakanaka kunyangwe kana mabhodhi emagetsi akajairwa achikundikana. Kukwanisa kutakura kupisa kubva kuzvinhu zvinonzwa kwave kwakakosha sezvo magetsi emotokari achiwedzera kuwanda kwesimba uye kuomarara, zvichiita kuti mhinduro dzesimbi dzePCB dzive dzinokosha pakushandisa magetsi emotokari.

Nei Mota MCPCB Inodarika Yechinyakare PCB Zvishandiso

Metal Core Yakadhindwa Circuit Boards inoratidzira yakasarudzika matatu-layer chimiro chinosanganisira yemhangura redunhu layer, thermally conductive dielectric layer, uye simbi substrate base inogadzirwa kubva kualuminium kana mhangura. Ichi chivakwa chinosiyana zvakanyanya kubva kune akajairwa FR4 mabhodhi, ayo anovimba nefiberglass-epoxy zvinhu zvine kushata kwekupisa kwemhepo kunosvika 0.3 W/mK.

Magadzirirwo emotokari MCPCB anowana kudziya kwekushisa kubva pa1.0 kusvika ku8.0 W/mK zvichienderana nedielectric zvinhu zvakasarudzwa, zvichiita kuti kupisa kuyerera kwakananga musimbi base layer kwainopera nekukurumidza. Izvo zvakanakira performance zvinosanganisira:

• Thermal superiority - Kupisa kupisa mitengo inosvika makumi maviri nenhanhatu nekukurumidza kupfuura FR4, ichidzikisa zvakananga chikamu chejinji tembiricha uye kuwedzera hupenyu hwekushanda.
• Mechanical kugadzikana -Iyo yakaomesesa simbi substrate inopa yakasarudzika dimensional kugadzikana pasi pekunetseka kwekupisa, kuderedza warpage uye kuchengetedza chaiyo yechikamu kurongeka kwehupenyu hwese hwebhodhi hwekushanda.
• Vibration kuramba -Simbi yepakati yekuvaka inodzivirira bhodhi flexure iyo inowanzo konzera solder joint kutadza mune yakajairwa PCB zvinhu pasi pekufamba kwemotokari vibration.

Core Automotive MCPCB Application Areas

Engine Control Units uye Power Management

Engine Control Units (ECUs) inoshanda munzvimbo dzemoto dzepamusoro tembiricha, uko kutonga kwemafuta mumagetsi emotokari kunonyanya kudiwa. Magetsi ma transistors, maregulator, uye mamicrocontrollers anogadzira kupisa kwakanyanya, uye kusakwana kwekudziya kunogona kukonzera kutiza kana kutadza system.

Zvemotokari MCPCB magungano-anowanzo aruminiyamu-yakavakirwa-inogadzira yakananga nzira yekupisa kubva kuzvikamu kuenda kune chassis kana heatsink. ECU yakanyatsogadzirwa uchishandisa 2.0 W/mK dielectric layer inogona kuwana junction-to-case resistance pazasi 2°C/W, ichienzaniswa ne8–10°C/W muFR4 magadzirirwo.

Mabhenefiti akakosha anosanganisira:

• Shortest thermal nzira -Kupisa kwakananga kuyerera kuburikidza nealuminium base inochengetedza tembiricha yakachengeteka.
• Yakawedzerwa chikamu hupenyu -Kudzika kwekushisa kwekushisa kunodzivirira kupisa uye kuderera.
• Higher power density - Yakavandudzwa kupisa kupisa inotsigira compact, yakakwirira-yakavimbika ECU magadzirirwo.

Zvemotokari Mwenje Systems ine MCPCB Technology

Mwenje ye LED, maDRL, uye marambi emuswe anoda kudzora kupisa kwemoto kuchengetedza kupenya uye kugadzikana kwemavara. Yese 10 ° C inokwira mu LED junction tembiricha inogona kupfupisa hupenyu kusvika kusvika 50%, kuratidza kukosha kwekupararira kupisa kunoshanda.

Mota yemwenje yePCB madhizaini achishandisa simbi yepakati tekinoroji inogonesa kufambisa kupisa kwakanaka uye kuenderana kwemaziso. Aluminium-yakavakirwa LED headlight MCPCB zvimiro zvinowanzo shandisa chena solder mask kuti iwedzere kutaridzika kwechiedza ichibatsira kupisa kupisa.

Design mabhenefiti:

• Yakagadzikana optical performance - Inodzorwa junction tembiricha inochengetedza ruvara uye kupenya.
• Yakabatanidzwa heatsink basa -Metal substrate inobvisa yakaparadzana yekupisa interface maseru.
• Gungano rakarerutswa -Zvishoma zvekushandisa uye zvinosangana zvinovandudza kuvimbika kwenguva refu.

Power Modules uye Electric Drive Systems

Mota dzemagetsi uye dzakasanganiswa dzinotsamira paDC-DC converters, inverters, uye dhiraivha module inobata mazana emaampere. Aya ma module emagetsi anoda kusarudzika kupisa kupararira kuchengetedza kushanda zvakanaka uye kudzivirira chikamu kushushikana.

Zvemotokari MCPCB magungano emamodules emagetsi anosanganisa akakwira-azvino mhangura maseketi ane thermally conductive simbi mabhesi. Mhangura-yakavakirwa MCPCB mhinduro dzinounza hukuru hwekupisa mashandiro emagetsi akawandisa.

Performance yakanakisa:

• Yakakwira yekupisa conductivity - Copper cores inosvika ku400 W/mK, kure kure nealuminium dzimwe nzira.
• Yakavandudzwa kubata ikozvino -Mafuta akakora emhangura anotsigira anorema-mutoro switching mashandiro.
• Compact high-power design - Inogonesa madiki, akareruka, uye anoshanda madhiraivha masisitimu kunyangwe mutengo wakakwira.

Zvemotokari MCPCB Kuvimbika Pasi Zvakanyanya Mamiriro

Nzvimbo dzemotokari dzinofumura magungano emagetsi pakupisa kwakanyanya, kuzunguzika, uye hunyoro. Yakavimbika simbi musimboti PCB mhinduro dzinofanirwa kuchengetedza yakagadzikana kuita pasi peizvi zvakasanganiswa kushushikana zvinhu:

• Thermal cycling endurance -Inopona -40 ° C kusvika +150 ° C shanduko kuburikidza nezviuru zvematenderedzwa pasina delamination kana kurasikirwa kwemaitiro.
• Mechanical durability - Inomira pakudengenyeka kubva pa10 Hz kusvika 2000 Hz kusvika ku30g kukwirisa paISO 16750.
• Kuchengetedzwa kwemagariro -Inodzivisa corrosion uye hunyoro kuburikidza nepamusoro pepamusoro pekupedzisira uye kuvimbika kwezvinhu.

Thermal Cycling Performance

Zvemotokari MCPCB magungano anotsungirira tembiricha yekukwira bhasikoro muhupenyu hwese hwemotokari. Kusawirirana kwekuwedzera kwemafuta pakati pezvinhu zvinogona kukonzera delamination kana solder kuneta kana ikasagadziriswa.

Metal musimboti PCB zvimiro zvinoderedza njodzi iyi kuburikidza neyakagadziridzwa zvinhu pairing. Aluminium substrates (≈23 ppm/°C) yakanyatsoenderana nemhangura maseketi (≈17 ppm/°C), ichideredza CTE kushushikana kana ichienzaniswa neFR4, iyo inowedzera kusvika 70 ppm/°C pamwe neZ-axis. AEC-Q200 qualification inosimbisa kugadzikana kwekupisa uye kushanda kwemagetsi kuburikidza ne1000+ thermal cycles.

Zvinhu zvakakosha zvekuvimbika:

• Yakagadziridzwa CTE kurongeka -Inoderedza kusawirirana kwekuwedzera uye kudzivirira kupaza kana delamination.
• Thermal kudzikama - Inochengetedza kuvimbika kwemagetsi pasi pekuenderera -40 ° C kusvika +150 ° C kubhasikoro.
• Proven mota qualification - Yakaedzwa paAEC-Q200 yekuteerera kwenguva refu yekuvimbika.

Mechanical Durability uye Vibration Resistance

Magadzirirwo emotokari MCPCB anopa kusimba kwechimiro chinoramba kuneta-kunokonzerwa nekuneta. Kusiyana nemabhodhi eFR4, chigadziko chesimbi chinodzivirira kuchinjika, izvo zvinowanzo tungamira kune akatsemuka majoini ekutengesa kana kuteedzera kuputsika.

Kuedza kune ISO 16750 kunoratidza kuti simbi yepakati maassemblies inotsungirira yakazara-spectrum vibration kuratidzwa pasina kutadza kwemuchina. Iyo yakaomesesa base layer inobvisawo kudiwa kwekuwedzera mejini inotsigira, kurerutsa dhizaini uye kuderedza huremu hwehurongwa.

Vibration-resistant dhizaini mabhenefiti:

• Rigid metal base - Inodzivirira kushanduka kwebhodhi uye kuneta kune solder.
• Yakaderedzwa maitiro ezvikamu -Inoderedza kukwira Hardware uye huwandu hwakazara.
• Kuvimbika kunoenderana -Inochengetedza kutendeseka kwemagetsi mukati mehupenyu hwemotokari.
• Environmental Protection

Kugadzirwa kwemotokari dzeMCPCB kunopa dziviriro yakasimba kubva kuunyoro nemakemikari. Kugadzirwa kwepamusoro kwakadai seOSP, ENIG, kana machira e conformal anodzivirira tsvina yemhangura nesimbi kubva mukuora.

Iyo simbi base pachayo inoshanda senge inovharisa hunyoro, ichidzivirira kupinda kwemhute kunowanikwa muFR4 pasi pehunyoro hwepamusoro. Kugadzirwa pasi peIATF 16949 zviyero kunovimbisa kuteedzera kwezvinhu, kutonga kwemaitiro, uye kuenderana kwemhando yechigadzirwa.

Matanho ekuvimbika kwezvakatipoteredza:

• Unyoro hunodzivirira hwaro - Inomisa humidity-induced delamination uye kuvuza nzira.
• Dziviriro inopedza - ENIG, OSP, uye machira anochengetedza kubva kune oxidation uye ngura.
• Certified kugadzira -IATF 16949 kutevedza inovimbisa inodzokororwa mota-giredhi kuvimbika.

Dhizaini uye Kugadzira Kufunga kweMotokari MCPCB

Mainjiniya anogadzira mota dzeMCPCB magungano anofanirwa kuenzanisa zvinhu zvakati wandei zvinokwikwidza kuti zvikwidzise kushanda kwemafuta panguva yekusangana nemitengo uye zvimhingamipinyi zvekugadzira. Yakakosha dhizaini paramita inosanganisira:

• Dielectric layer optimization -Kusarudzwa kwehukobvu pakati pe50 μm uye 150 μm kuenzanisa kupisa kwekupokana nezvinodiwa zvekuzviparadzanisa nemagetsi.
• Kusarudzwa kwezvinhu zve substrate -Kusarudza pakati pealuminium kune inodhura-inoshanda mhinduro uye mhangura yekunyanyisa kupisa kwekuita maapplication.
• Surface kupera kuenderana -Kusarudza ENIG yewaya yekubatanidza kugona kana OSP yeakakwira-vhoriyamu mutengo kunyatsoita.
• Thermal nzira dhizaini -Nzvimbo yekuisa nzira dzinoderedza kupisa kwekubatanidza uye kubvisa nzvimbo dzinopisa dzemuno.

Kuenzanisa kwekupisa uchishandisa finite element analysis kunofanirwa kuitika pakutanga kwekugadzira kuti kusimbiswe nzira dzekuparadza kupisa usati watanga kushandisa prototypes. Zvikamu zvakakosha zvinoda kuongororwa kwakanyatsojeka kwekuisa zvinhu kuti ive nechokwadi chekuti nzvimbo dzinopisa dzemuno dzinoramba dziri mukati memiganhu inogamuchirika.

Sample board kusimbiswa pasi pemamiriro ekushanda chaiwo anosimbisa kuti dhizaini inosangana nekuvimbika zvinangwa uye inoratidza chero gadziriso inodiwa isati yatanga kugadzirwa kwevhoriyamu. Ichi chikamu chekusimbisa chinoratidza chakakosha kudzivirira inodhura dhizaini mushure mekushandisa mari.

Mhedziso: Kuve nechokwadi cheKuvimbika Kwenguva Yakareba muMotokari Systems

Tekinoroji yeMCPCB tekinoroji inosimbisa manejimendi akavimbika ekupisa mumotokari dzemazuvano, kuve nechokwadi chekushanda kwakagadzikana mukati mekutonga kwemagetsi, mwenje, uye magetsi ekutyaira masisitimu. Kusanganiswa kwayo kwepamusoro kupisa conductivity, kusimba kwemagetsi, uye kuramba kwezvakatipoteredza kunogonesa kuita kunoenderana pasi pemamiriro emota akanyanya.

Sezvo simba remagetsi uye kuoma kwehurongwa kunowedzera, simbi yepamberi PCB mhinduro inova yakakosha pakuchengetedza kuvimbika uye kusangana neindasitiri zviyero zvekugara uye kuchengetedzeka. Highleap Electronics inopa mota-giredhi MCPCB mhinduro ne:

• Zvinoratidza kuvimbika -IATF 16949 yakasimbiswa kugadzirwa ine yakazara zvinhu uye maitiro ekuita traceability.
  
• Thermal kugadzira unyanzvi - Yakakwenenzverwa stack-ups uye dielectric zvigadziriso zvekufambisa kupisa kwakanaka.
• Comprehensive engineering rutsigiro - Kubva pakuongororwa kweprototype kusvika pakugadzira vhoriyamu.
• Kushandiswa zvakasiyana-siyana - Mhinduro dzakagadzirirwa kudzora injini, mwenje we LED, uye masimba ekutonga mamodule.

Kudyidzana neHighleap Electronics kuvandudza magungano eMCCBB anosangana nezvido zvakaomarara zvenzvimbo dzemotokari uye ive nechokwadi chekuvimbika kwenguva refu.