PCB application yakakosha mukusimudzira mashandiro uye hupenyu hurefu hweEV DC-DC converters. Mainjiniya vanogadzira akadhindwa edunhu mabhodhi kuti abatanidze simba uye kudzora maseketi zvinobudirira. Iyi PCB application inogonesa sisitimu kuunza yakakwira simba density mukati me compact nzvimbo uku ichivandudza EMC mashandiro. Nekuda kweizvozvo, bhatiri mota dzemagetsi dzinogona kubata simba zvirinani, kuderedza kutambisa simba, uye kugadzirisa kupisa kupisa. Tafura iri pazasi inoratidza kuti yakadzikwa PCB application tekinoroji inobatsira sei kune simba, EMC, uye kuvimbika mumagetsi emagetsi emagetsi emotokari.
Kuonekwa | Mupiro kune High Power Density uye Kuvimbika |
|---|---|
Miniaturization | Kubatanidza zvinhu mukati mePCB application inochengetedza nzvimbo, ichiita kuti sisitimu ive diki uye inokwanisa kubata simba rakawanda. |
Kupisa Kupisa | Mafuremu ekutungamira anogovera kupisa zvakanaka, uye micro vias yakazadzwa nemhangura inoderedza kupisa kwekupisa, kusimbisa sisitimu. |
Kuita kweMagetsi | Yakaderera bond waya kuramba uye kushoma parasitic inductance muPCB application inogonesa kukurumidza kushandura nekuderera kwesimba. |
kuvimbika | Yakamisikidzwa PCB application tekinoroji inokwidziridza kuvimbika kwehurongwa, iine simba rekuchovha bhasikoro bvunzo dzinoratidza kusimba kupfuura 700,000 cycles. |
Kubatanidzwa kweSystem | Kubatanidza simba uye kutonga maseketi pane imwechete PCB application inorerutsa dhizaini, inoderedza saizi uye mutengo, uye inowedzera EMC mashandiro. |
High Current Kugona | Yakamisikidzwa shunts ine yakagadziridzwa yekupisa manejimendi muPCB application inobvumira mamwe chaiwo epamusoro zviyero zvazvino. |
Kuderedza Mutengo | Kuderedza kudiwa kwezvibatanidza, tambo, kutonhora, uye diki chikamu saizi kuburikidza nePCB application inodzikisa huwandu hwese system. |
Kushanda | Iyi PCB application inokodzera ese ari maviri akadzika voltage yakakwira ikozvino uye yakakwira voltage wide band gap semiconductor kuita. |
Zvitsva Zvitsva
Dhizaini yePCB yakangwara inobatsira maEV DC-DC converters anoshanda zvirinani. Inoita kuti ave madiki uye akareruka. Inoitawo kuti ave nesimba. Kushandisa zvidimbu zvemhangura zvakakora kunoparadzira kupisa zvakanaka. Ma "thermal vias" anobatsira kuti ma "converters" agare achitonhorera. Izvi zvinoita kuti ave akavimbika. Kurongeka kwakanaka kwePCB kunoderedza ruzha rwemagetsi. Kuisa pasi zvakanaka kunobatsirawo. Izvi zvinoita kuti sisitimu igadzikane uye ive yakachengeteka. Kuisa ma "power and control circuits" paPCB imwe chete kunochengetedza nzvimbo. Kunoderedzawo mitengo uye kunowedzera mashandiro. Zvinhu zvepamusoro zvinobatsira zvakanyanya. Kufamba kwesimba kwenzira mbiri uye kugadzirisa kwakabatana kunochengetedza simba. Zvinoitawo kuti sisitimu ishande zvakanaka.
PCB Application muDC-DC Converters
Power Distribution uye Signal Control
Bhodhi redunhu rakadhindwa rakakosha zvikuru muma converter e dc-dc . Rinobatsira kufambisa simba uye kudzora masaini munzvimbo diki. Mainjiniya anogadzira pcb application kuti ikwanise kubata magetsi akasimba uye masaini anonzwa pamwe chete. Izvi zvinobatsira mota dzemagetsi kushandisa simba zviri nani uye kushanda zvakanaka.
Iyo pcb application inotumira simba kubva kubhatiri kuenda kuzvinhu zvakaita semwenje, masikirini, uye mota. Dhizaini yakanyatsogadzirwa inoita kuti zvikamu zvemagetsi zvive nemagetsi akasimba uye magetsi akasimba. Izvi zvinoita kuti simba risarasike uye magetsi adzike. Mitsetse yezviratidzo pa pcb inotakura mameseji ekudzora pakati pema microcontrollers nema power converters. Izvi zvinoita kuti system iite nekukurumidza uye idzore simba zvakanaka.
Mamwe madhiraivha eDC-DC, akadai seane MPQ2967-AEC1 uye MPQ86960-AEC1, anoratidza kuti kuisa magetsi nemagetsi paPCB imwe chete kunobatsira sei. Magadzirirwo aya anopa simba rakagadzikana uye masaini akanaka, kunyangwe mumamiriro emota akaoma. Anobatsirawo masisitimu ekubatsira mutyairi (ADAS) kushanda zviri nani.
Zano: Mainjiniya anoshandisa magadzirirwo epcb ane layer yakawanda kuti achengetedze ma layer emagetsi nemasignal akasiyana. Izvi zvinoderedza kupindirana uye zvinobatsira pakushanda kwemagetsi (EMC).
Kubatanidzwa kweZvikamu
Kuisa matransformer nemapower stages paPCB idanho guru rekufambira mberi. Izvi zvinoita kuti converter ive diki uye ive nyore kuvaka. App yePCB inobatsira kugadzira magadzirirwo anokodzera munzvimbo dzakamanikana uye asingareme zvakanyanya mota dzemagetsi.
Tafura iri pazasi inoratidza kuti nzira dzakasiyana dzekuisa zvikamu pamwechete dzinochinja sei simba remagetsi, kushanda zvakanaka, uye kuti zviri nyore sei kugadzira:
Converter Stage / Dhizaini Nzira | Key Integration Features | Simba Density (W/in³) | Kubudirira (%) | Manufacturing & Performance Benefits |
|---|---|---|---|---|
Single-phase CLLC (1PCLLC) ine PCB-based integrated transformer | Integrated matrix transformer ine controllable leakage inductance; kuderedzwa kwepakati kurasikirwa; diki tsoka; SiC zvishandiso pa250 kHz switching | 250 | 98.4 | Yakaderedzwa magnetic components; compact design; kuwedzera simba density uye kushanda zvakanaka |
1PCLLC ine mhepo yekudzima nzira | Kudzima mhepo kudzima kudzikisa yakajairwa modhi ruzha ne17 dB; EMI kuderedza | 420 | 98.5 | Kuvandudza EMI kuita; nani parasitic utariri; kuvimbika kwakawedzera kushandura |
Nhatu-chikamu CLLC (3PCLLC) resonant converter | Yakabatanidzwa matatu-phase transformer inobatanidza akawanda inductors uye transformers; symmetrical resonant tank; soft switching; chinja DC-link voltage | 330 | 98.7 | Magineti akareruka; scalable design; kuvandudzwa kwekushanda kwemafuta uye magetsi |
Scalable matrix yakasanganiswa shanduko yeakawanda-chikamu CLLC | Kubatanidzwa kweakawanda akanyatso kubatanidzwa matransformer (PCTs) ane akavakirwa-mukati leakage inductance; yakamisikidzwa kana yakagadziridzwa macores ekugovera zvirinani flux uye yakaderera musimboti kurasikirwa | 500 | 98.8 | High power density; peak kunyatsoshanda; scalable kune yakakwirira simba zvikumbiro; kugadzirwa kwakarongeka |
A transformer-in-package dc-dc converter inoshandisa yakakosha kurongedza kuisa iyo transformer uye yekubatanidza mukati. Izvi zvinoreva zvikamu zvishoma uye saizi diki. Iyi dhizaini inowana yemhando yepamusoro chinhu uye coupling factor. Inoshanda zvirinani uye inogona kusvika peak simba density ye50 mW/mm².
Mienzaniso chaiyo yemotokari inoratidza kuti izvi zvinoshanda zvakanaka. Mhinduro yeIntelli-Phase inoshandisa MPQ86940 uye MPQ2977-AEC1 controller. Inopa simba rakasimba uye rakangwara kumakomputa epamusoro-soro ari mumota. Iyo MPQ4326-AEC1 dc-dc converter inoisawo maIC ekutonga simba papcb diki . Izvi zvinobatsira kuti igare yakadzikama uye ichishanda zvakanaka, kunyangwe zvinhu zvikaoma.
Cherechedza: Kuisa ma semiconductor emagetsi nema transformer pa pcb kunoita kuti huwandu hwemagetsi huwedzere. Zvinoitawo kuti kuvaka kuve nyore, kudhura zvishoma, uye kunoita kuti sisitimu ive yakavimbika.
Kuwedzera zvimwe zvikamu kubhodhi redunhu rakadhindwa kunoshandura mashandiro anoita maconverter eDC-DC anobatsira mota dzemagetsi. Nenzira itsva dzekushandisa PCB , mainjiniya vanogadzira masisitimu emagetsi madiki, akasimba, uye akavimbika. Masisitimu aya anobatsira tekinoroji itsva yemotokari kushanda zvirinani.
PCB Zvishandiso uye Kuvaka
Heavy Copper uye Yepamusoro-Yazvino Traces
Mainjiniya vanotora zvidimbu zvemhangura zvinorema zvekuvaka pcb muEV DC-DC converters. Aya mavara akakora emhangura ari pakati pe4 oz ne14 oz paskweya tsoka. Vanobatsira bhodhi kutakura mafungu akakwirira, dzimwe nguva kusvika ku200 amps. Heavy mhangura inoita sedhishi yekupisa uye inoparadzira kupisa zvakanaka. Izvi zvinomisa hotspots uye zvinoita kuti bhodhi ritonhore ne20-30°C. Inobatsira sisitimu kuti irambe yakavimbika mumamiriro akaoma emotokari.
Vagadziri vanoshandisa yakasarudzika kuisa mhangura painodiwa chete. Izvi zvinochengetedza mari uye zvinotsigira nzira dzepamusoro-zvino. Wide traces uye akawanda vias anobatsira kutakura yakawanda yazvino uye kuparadzira kupisa. Semuenzaniso, 10 oz copper trace inogona kutakura anenge 65 amps pahupamhi hwe 0.25-inch. Izvi zvinoenderana nezvinodiwa zvemazuva ano magetsi substrates.
Zano: Matanda emhangura akakora ane resistance shoma. Izvi zvinoreva kudzikira kwemagetsi mashoma uye simba rakawanda rezvikamu. Zvinoita kuti pcb nemagetsi emagetsi zvigare kwenguva refu uye zvishande zviri nani.
Hukobvu hwemhangura (oz/ft²) | Ikozvino Kugona (A) | Kubatsirwa |
|---|---|---|
4 | 60 | Yakanakira mitoro ine mwero |
6 | 150 | Excellent heat dissipation |
10 | 200 | Maximum kuvimbika & simba |
Multi-Layer uye IMS Boards
Magadzirirwo epcb akawanda uye mabhodhi esimbi anonyungudutswa (IMS) akakosha muma EV DC-DC converters. Mabhodhi akawanda ane machira akawanda akabatanidzwa pamwe chete. Izvi zvinochengetedza magetsi nemasekete ekudzora zvakasiyana. Zvinobatsira bhodhi kushanda zviri nani uye zvinoderedza kupindirana kwemagetsi. Mabhodhi eIMS ane base yesimbi inoparadzira kupisa nekukurumidza. Izvi zvinoita kuti zvive zvakanaka pakushandiswa nesimba rakawanda.
Halogen-isina, yakakwirira CTI, uye yakakwirira RTI zvinhu zvinoshandiswa mumabhodhi aya. Panasonic's R-3566D mumwe muenzaniso. Zvinhu izvi zvinogona kubata kupisa kwakanyanya uye voltage. Ivo vanotsigira magetsi matsva emagetsi substrates seSiC neGaN zvishandiso. Mabhodhi eIMS anogona kuita kuti zvikamu 20-30°C zvitonhore kupfuura mabhodhi akajairwa. Izvi zvinoita kuti zvikamu zvigare zvakapetwa kaviri uye zvinoita kuti sisitimu iwedzere kuvimbika.
Kutonhodza kwepamusoro-soro kunogona kuderedza kupisa kwekupisa kusvika pa35%.
Mabhodhi eIMS haadi masingi makuru ekupisa, saka madiki uye akareruka.
Zvirinani kupararira kwekupisa nekudzivirira kunomisa kutadza kubva pakupisa nekuzununguka.
Kushandisa zvinhu zvepcb zvakakodzera uye nzira dzekuzvigadzira kunoita kuti pave nekushanda zvakanaka, kupisa kwakasimba, uye kuvimbika kwenguva refu muma EV power systems.
Layout uye EMI Management
Trace Routing uye Grounding
Mainjiniya vanoziva kuti marongerwo akakosha zvikuru kune vanochinja madhiraivha eDC-DC mumotokari. Vanoshandisa magadzirirwo ePCB ane madhiraivha epasi nemagetsi akasiyana. Izvi zvinobatsira kumisa matambudziko eEMC uye kuchengetedza masaini ari pachena. Kuisa masaini padivi pemasaini epasi kunoita kuti madiki aite madiki uye kuderedza mwaranzi. Kana masaini epasi nemagetsi ari padyo, zvinobatsira pakupatsanura uye kuwedzera EMC.
Dzimwe nzira dzakanaka dzekufambisa mitsara uye pasi ndeidzi:
Chengetedza mapfupi uye akatwasuka kumisa antenna mhedzisiro uye emc nyaya.
Shandisa stitching vias kubatanidza pasi layer, izvo zvinodzikisa impedance uye zvinobatsira kudzoka nzira.
Isa decoupling capacitor padhuze neIC simba pini kuchengetedza voltage uye kucheka ruzha.
Usashandise mabhendi ekona-kurudyi mumitsara; 45-degree kana curved bend zviri nani kune emc.
Kudzika zvakanaka pasi, sekudzika kwenyeredzi pasi, kunobatsira kumisa zvitenderedzo zvepasi uye ruzha. Kuchengetedza masaini anokurumidza kure nemasaini anononoka kana analog kunomisa kupindira. Matanho aya anobatsira vanoshandura madhiragi eDC-DC kupa mitemo yakaoma ye emc yemotokari.
Yakanaka pcb marongerwo uye grounding kwete chete yakaderera emc asiwo anoita converters kuvimbika uye kushanda nani.
Kuderedza Parasitics
Parasitic inductance uye capacitance inogona kukonzera matambudziko emc uye yakaderera kushanda zvakanaka mudc-dc converters. Mainjiniya anotora zvigadziriso zvekumusoro zvema capacitors uye resistors kuti zvibatanidze zvipfupi uye kucheka mhedzisiro yeparasitic. Ivo vanoshandisa ese ari maviri firimu uye ceramic capacitor kuwana yakaderera impedance pama frequency akawanda, ayo anobatsira emc.
Kucheka parasitics zvakanyanya:
Mainjiniya vanogadzira mitsara yakasimba, yakafara panzvimbo pematete.
Ivo havashandise waya refu kune chassis, izvo zvinogona kuita kuti zvishwe zvikure uye kukonzera emc nyaya.
Damping resistors mu capacitor mapoka anomisa resonance inogona kukuvadza emc.
Kuisa zvikamu zvine hungwaru uye kufambisa zvakanaka kunobatsira kudzikisira zvese zvinoitiswa uye neradiated emissions. Semuenzaniso, kuisa pasi pasi pasi pechiratidzo chechiratidzo chinocheka magineti flux uye emc. Kuchengeta mativi ekuchinja ane ruzha kure nemasekete anonzwisa tsitsi zvakare kunodzikisa kubatanidza kwemagetsi.
Car dc-dc converters anoshandisa aya marongerwo mazano anoratidza zviri nani emc uye anosangana nemitemo yakafanana neCISPR 25. Idzi nzira dzinoita kuti simba rive rakadzikama uye rakachengeteka mumabasa akaoma emotokari.
Thermal Management muMagetsi Vehicle Converters
Kuparadzira Kupisa uye Vias
Mainjiniya anoshandisa nzira dzakangwara dzekubatsira kupisa kubva kuma converter emagetsi eDC-DC. Matanda emhangura akakora ari muPCB anobvisa kupisa kubva muzvikamu zvinopisa. Mhangura inoparadzira kupisa pamusoro pebhodhi. Maburi madiki akazadzwa nesimbi anonzi ma thermal vias anogara pasi pezvikamu zvinopisa zvikuru. Matanda aya anofambisa kupisa pakati pematanda ePCB. Izvi zvinomisa nzvimbo dzinopisa uye zvinochengetedza bhodhi patembiricha yakaenzana.
Ndege dzinoparadzira kupisa dzinobatana nepasi kana masimba emagetsi. Ndege idzi dzinodzikisira kupisa uye dzinobatsira kupisa kubva nekukurumidza. Direct Bonded Copper (DBC) ma substrates anoshandisa mhangura gobvu inonamira kune ceramic. Iyi setup inoparadzira kupisa nekukurumidza uye inochengeta pcb yakasimba, kunyangwe mota inoshandisa simba rakawanda. DBC tekinoroji inobata yakakwira ikozvino uye inobatsira sisitimu kuti irambe yakasimba mukushushikana.
Mainjiniya vanotora mhangura nekuti inofamba kupisa zvakanaka. Izvi zvinochengeta nzvimbo dzakasimba dzakachengeteka mune yakakwirira-simba ev masisitimu.
Kubatanidzwa kweHeat Sinks
Kuwedzera ma heat sinks pakugadzira pcb kunoshandura mashandiro anoita ma power modules ekubata kupisa. Kana mainjiniya akaisa ma heat sinks pabhodhi, anoderedza tembiricha inopisa mu ev DC-DC converter. Pasina ma heat sinks, zvikamu zvinogona kupisa zvakanyanya zvotyoka. Ne heat sinks, system inoramba ichitonhorera uye yakachengeteka.
Nenzira iyi, hapana chikonzero chekuwedzera mapedhi, girisi, kana mabhanhire. Inobvumirawo michina kuvaka mabhodhi, ayo anochengetedza mari uye anoderedza zvikanganiso. Kushandisa zvinhu zvakapfava pcb panzvimbo inorema kunoita kuti mota iremerwe. Kupisa kunyura pamagetsi semiconductors anobatsira kupisa kusiya uye kuchengetedza zvikamu zvinotonhorera. Izvi zvinoita kuti ev magetsi emagetsi ave akachengeteka uye akavimbika.
Iyo yakanaka yekupisa manejimendi chirongwa muPCB dhizaini inobatsira mota dzemagetsi kugara kwenguva refu. Inomira kupisa, inotsigira yakakwira ikozvino, uye inochengeta sisitimu yakachengeteka mumamiriro ezvinhu akaoma.
Kubatanidzwa uye Miniaturization
Embedded Components
Mainjiniya anoshandisa miniaturization kubatsira mota dzemagetsi kushanda zvirinani. Vanoisa simba uye kudzora matunhu pamwe chete pane imwe pcb. Izvi zvinoita kuti sisitimu idiki saka inokodzera munzvimbo dzakasimba. Pane zvinhu zvakawanda zvakanaka pamusoro peizvi:
Kuisa ese matunhu pane imwe pcb kunoita kuti converter iite diki uye ireruke.
Kumhanya kwepamusoro kunokwanisika, saka zvikamu zvidiki zvinogona kushandiswa. Izvi zvinoita kuti dhizaini ireruke uye diki.
Madiki anodzipwa ane mashoma asingadiwi capacitance anobatsira pakumhanya kukuru. Izvi zvinoderedzawo saizi uye uremu.
Fast microcontrollers ine yakanaka PWM inobatsira dhizaini nyowani uye nekukurumidza kuchinja.
Zvese zvinhu izvi zvinoita kuti zvive nyore kuisa sisitimu pamwe chete, kudzikisa huremu, uye kuita kuti ive yakasimba uye inotonhorera.
Miniaturization inobatsirawo bhatiri mota dzemagetsi nekuita kuti mamodule emagetsi awedzere uye nyore kutonhora. Izvi zvakakosha pakushandisa kwenguva refu.
Compact System Dhizaini
Madhizaini madiki ePCB mumotokari dzemagetsi anoshandisa nzira itsva dzekuvaka mabhodhi, akadai seSMT neHDI. Nzira idzi dzinobvumira mainjiniya kugadzira marongero akaomarara anochengetedza nzvimbo nehuremu. Uchishandisa nzira idzi, PCB inogona kuderera kusvika 30%. Nzira pfupi dzemasaini dzinobatsira bhodhi kushanda zviri nani uye kuderedza ruzha.
Michina inoisa zvidimbu zvidiki pabhodhi nemazvo. Izvi zvinochengetedza mari uye zvinoita kuti zvimwe zvikamu zvikwane pabhodhi.
Mabhodhi maduku anoshandisa zvinhu zvishoma, izvo zvinochengetedza mari uye zvinoita kuti motokari ireruke.
Zvinhu zvakakosha zvakaita se polyimide neLCP zvinobatsira bhodhi kubata kupisa uye kuchengetedza masaini akajeka.
Flexible uye rigid-flex pcbs inogona kukotama kana kupeta, saka inokwana munzvimbo diki mumotokari.
Miniaturized pcbs rega mainjiniya awedzere mamwe maficha kumapuranga madiki. Izvi zvinopa imwe nzvimbo kune mamwe masisitimu, senge ADAS uye bhatiri manejimendi. Mabhodhi maduku anoparadzira kupisa zvakanaka anobatsira mabhatiri kushanda zviri nani uye kuchengetedza simba. pcbs Izvi zvinobatsirawo nezvinhu zvakaita sokuzvifambisa nekuita kuti data rifambe nekukurumidza uye zvakavimbika. Nekuda kweizvi, mota dzemagetsi dzinoreruka, dzakangwara, uye dzakachipa, dzine huwandu huri nani uye kuvimbika.
Zvimiro zvepamberi muDC-DC Converters
Bidirectional Power Flow
Ma converter emagetsi emazuva ano eDC-DC anogona kufambisa magetsi nenzira mbiri. Mainjiniya anoshandisa magadzirirwo akasarudzika ePCB kuti izvi zvishande. Magadzirirwo aya anoshandisa CLLC resonant converter ine full-bridge setup. Converter iyi inotumira simba kubva kubhatiri kuenda kugrid kana kudzoka zvakare. Izvi zvinobatsira nezvinhu zvakaita semota-kuenda-ku-grid (V2G) uye vehicle-kuenda-kuvaka (V2B).
Iyo resonant inoshandura inoshandisa nyoro-kuchinja, saka inoita shoma kupisa uye inorasikirwa shoma simba.
Wide bandgap semiconductors seSiC neGaN chinja nekukurumidza uye kutambisa simba shoma.
Real-time microcontrollers uye gedhi vatyairi vanodzora nzira iyo simba rinoenda.
The pcb ane kunzwa uye mhinduro matunhu kudzora nani.
Miedzo inoratidza aya bidirectional dc-dc converters anoshanda nemazvo mumotokari chaidzo. Vanogona kuchinja kune akasiyana bhatiri voltages uye kurasikirwa nesimba shoma kana uchichaja. Soft-switching zvakare inoderedza kukanganiswa kwemagetsi, saka sisitimu inovimbika zvakanyanya. Aya maficha anobatsira mota dzemagetsi kuchaja nekukurumidza uye kutumira simba kugedhi kana zvichidikanwa.
Bidirectional simba rinoyerera mudc-dc converters inopa mota dzemagetsi dzimwe sarudzo uye inobatsira nekushandisa simba idzva.
Synchronous Rectification
Synchronous rectification chimwe chinhu chakakosha mune itsva dc-dc converters. Panzvimbo pemadhiodhi, mainjiniya anoshandisa MOSFETs nekushomeka kushoma. Izvi zvinoderedza kudonha kwevoltage uye kuchengetedza simba. Iyo pcb inotsigira mitsva yeMOSFET mapakeji anotakura zvakawanda zvazvino uye kuparadzira kupisa zviri nani.
Synchronous rectification inoshandisa control ICs kushandura MOSFETs panguva chaiyo.
Dhizaini yepcb inoita kuti converter ishande pamafrequencies akakwira , zvichiita kuti ive diki uye inoshanda zvakanyanya.
Zvirinani thermal manejimendi inochengeta sisitimu ichitonhorera uye ichishanda nemazvo.
Miedzo inoratidza synchronous rectification inoita kuti ma converters ashande uye anotonhorera. Semuenzaniso, smart control inomisa reverse conduction, izvo zvinopedza simba. High-frequency operation zvinoreva zvakare kuti dc-dc converter inogona kuva diki, kuchengetedza nzvimbo mumotokari dzemagetsi.
Synchronous rectification, inogoneka neakangwara pcb dhizaini, inobatsira dc-dc converters kupa simba rakawanda nemarara mashoma.
PCB dhizaini inobatsira EV DC-DC converters kushanda zvirinani uye kugara kwenguva refu. Inoita kuti sisitimu iwedzere kuvimbika uye inowedzera kuti inoita zvakanaka sei. High power density inoita kuti mota dzireruke uye dziite nekukurumidza. Kupindura nekukurumidza kunoreva kuti sisitimu inogona kuchinja simba nekukurumidza. Bidirectional simba rinoyerera rinoita kuti simba rifambe nenzira mbiri, izvo zvinobatsira kuchengetedza simba. Tafura iri pazasi inoratidza kuti aya maficha anobatsira sei neemc uye kuita kuti sisitimu ishande zvirinani:
PCB Dhizaini Aspect / Simba Module Feature | Impact paEV DC-DC Shandura Kubudirira, Kuvimbika, uye Kuita |
|---|---|
High simba density modules | Motokari diki, dzakareruka; yakavandudzwa siyana uye kurongedza |
Mhinduro inokurumidza kukurumidza | Zvirinani kuvimbika kwehurongwa; kukurumidza kuchinja simba |
48V zonal zvivakwa | Kunyanya kushanda kwemagetsi; kuderedza kurasikirwa |
Bidirectional simba kuyerera | Kuwedzerwa simba kupora; kuvandudzwa emc |
Modular, scalable dhizaini | Mutengo wakaderera; nyore kugadzirisa |
High kunyatsoshanda mutemo | Kupera simba shoma; nani kutarisira kupisa |
Kutora zvinhu zvakanaka, dhizaini yakanaka, uye kutonhora kwakangwara zvese zvakakosha. Kuisa zvikamu pamwechete nenzira yakangwara kunobatsirawo magetsi emagetsi kushanda zvakanyanya. Tafura iri pazasi inoratidza kuti chikamu chimwe nechimwe chinobatsira sei:
Kuonekwa | Mupiro kune EV Power Electronics Optimization |
|---|---|
Kusarudza Zvinhu | Wide bandgap semiconductors uye thermal interface zvinhu zvinovandudza kupisa kupisa uye kubata voltage |
Maitiro | Kaviri-mativi kutonhora uye smart trace routing inowedzera emc uye kuvimbika |
Thermal Management | Kutonhora kwepamberi uye kunyura kwekushisa kunoderedza hotspots uye kukundikana mapoinzi |
kusangana | Kubatanidza zvinopisa uye zvemagetsi maficha mune imwe module kunowedzera kugona uye kupfupisa ekupa cheni |
Mainjiniya anogona kushandisa aya matipi kuita emc uye kuvimbika zvirinani:
Ita marekisheni epamusoro-soro mapfupi uye akafara.
Chengeta masaini ane ruzha uye anonzwa akaparadzaniswa.
Isa decoupling capacitors pedyo nemagetsi zvikamu.
Shandisa kudzivirira uye mafirita kumisa matambudziko emc.
Wedzera kupisa sinks uye thermal vias kuti utonhodze zvinhu pasi.
Mamaneja ehunyanzvi anofanira kushandisa zvishandiso zvekugadzira zvinoshanda pamwechete. Ivo vanofanirwa kuyedza nekukurumidza nemakomputa mhando uye hardware chaiyo. Izvi zvinobatsira kuwana emc matambudziko asati ava nyaya hombe. Nekushandisa aya mazano, zvikwata zvinogona kuvaka yakasimba uye inoshanda EV DC-DC converters. Aya ma converter anozosangana nemitemo yakaoma emc uye anobatsira mota dzemagetsi kushanda zvirinani mune ramangwana.
FAQ
Chii chinonyanya kukosha chekushandisa akawanda-layer PCBs muEV DC-DC converters?
MaPCB ane layer akawanda anoita kuti mainjiniya achengetedze magetsi nema control circuits zvakasiyana. Izvi zvinoita kuti ruzha rusanyanya uye zvinobatsira kuti sisitimu ishande zviri nani. Zvinoitawo kuti converter ikwane munzvimbo diki mumotokari dzemagetsi.
Mainjiniya anobata sei kupisa mune yakakwirira-simba DC-DC converters?
Mainjiniya anoshandisa gobvu mhangura, thermal vias, uye kupisa sinks. Zvinhu izvi zvinobatsira kubvisa kupisa kubva kune zvinopisa. Kudzora kwakanaka kwekupisa kunochengeta sisitimu yakachengeteka uye inobatsira kuti igare kwenguva refu.
Nei emc yakakosha muEV DC-DC inoshandura dhizaini?
emc inoita shuwa kuti chinoshandura hachiite imwe ruzha rwemagetsi. Izvi zvinobatsira magetsi emotokari kushanda pasina matambudziko. Kutevedzera mitemo yeemc kwakakosha kwazvo pakuchengetedza uye kuita kwakanaka.
Ko PCB dhizaini inogona kukanganisa huremu hwemotokari yemagetsi here?
Ehe. Diki PCB marongero uye akavakirwa-mukati zvikamu anoita simba modules diki uye kureruka. Masisitimu akareruka anobatsira mota dzemagetsi kuenda kure uye kushandisa simba shoma.
Ndeipi basa rinoitwa rakakura bandgap semiconductors muPCB-based converters?
Wide bandgap semiconductors seSiC neGaN chinja nekukurumidza uye kubata yakawanda voltage. Vanorega mainjiniya achiita madiki, maconverter ari nani asingapise.
