Robot Power Distribution PCB yeDC-DC Rails, Dziviriro uye Kutevedzana

MaPCB emagetsi erobhoti anotora simba rekuisa rinobva kubhatiri, DC-bus, kana AC uye anopa njanji dzakarongwa, dzakachengetedzwa, dzakatevedzana kune ese masisitimu. Haasi mabhodhi ekubatanidza waya chete. Anotsanangura kudzora kukanganisa, kurongeka kwekutanga, kushanda zvakanaka kwemuchina, kutarisa njanji, uye kuti robhoti rinoita sei zvakachengeteka kana bhodhi riri pasi rikakundikana.

Gwaro iri rinotsanangura sarudzo dziri muindasitiri dziri shure kwemabhodhi ekugovera simba remarobhoti: topology yekupinda, sarudzo yeDC-DC converter, kutevedzana kwenjanji, dziviriro ye over-current uye reverse-polarity, kutarisa, kubatanidzwa kwekutonga mabhatiri, dhizaini yekupisa, uye bvunzo yekugadzira. Yakagadzirirwa mapoka anogadzira marobhoti anofamba, marobhoti eindasitiri, marobhoti ebasa, uye mapuratifomu erobhoti ane simba guru.

Zvinoitwa neRobot Power Distribution PCBs Chaizvo

Basa muRobhoti System

MaPCB ekuparadzira simba anotora simba rekuisa (bhatiri, DC bus, kana AC input) uye anoendesa simba rakagadziriswa kune ese masystem ari murobhoti. Parobhoti remazuva ano izvi zvinoreva maDC-DC converters akawanda, kutevedzana kwesimba, kudzivirira, kutarisa, uye kugona kuchinjana kwehot. Bhodhi rinowanzova PCB imwe chete yakakura kwazvo murobhoti nekuda kwezvikamu zvesimba. Chii chinoita kuti mabhodhi ekuparadzira simba rerobhoti ave akasiyana:

• Kupinza kwepamusoro parizvino: Bhetiri rinoburitsa magetsi panguva imwe chete pamakumi kusvika mazana emaamps; simba remagetsi rinokwira zvakanyanya panguva yekufamba. Nzira yekupinda uye zvinobatanidza zvakakura zvichienderana nesimba remagetsi.
• Njanji dzinobuda dzakawanda: chinhu chimwe chete chinopinzwa chakachinjwa kuita njanji dzakasiyana 5-15 dzema subsystem akasiyana. Njanji yega yega ine zvinodiwa zvayo zvemagetsi, voltage, uye sequencing.
• Kushanda: Marobhoti anoshandisa bhatiri anotambisa simba panguva yekugoverwa kwesimba. Kushanda nesimba kwakanyanya kunotora nguva yekushanda.
• Kudzivirirwa: Dziviriro yemagetsi akawandisa, over-voltage, short-circuit, uye reverse-polarity pakupinda uye pachiteshi. Maitiro ekutadza akatsanangurwa uye akaedzwa.
• Kuongorora: Kuongororwa kwemagetsi pachiteshi chechitima uye kwemagetsi emagetsi ekuongorora uye kubatanidzwa kwekutonga kwemabhatiri.
• Kuiswa kwemurwere kwake ega: mamwe magadzirirwo anoda kupatsanurwa kwe galvanic pakati pezvinhu zvinopinda uye zvinobuda. Zvinoenderana nezvinodiwa zvekuchengetedza zvekushandisa.

Njodzi Dzekugadzira Dzekudzora

Dhizaini yebhodhi rekugovera magetsi ndiyo inoonekwa kushanda zvakanaka kwerobhoti. Robhoti rine kugoverwa kwesimba kwakagadzirwa zvakanaka rinoshanda kwenguva yakareba pabhatiri rimwe chete pane robhoti rine kugoverwa kunorasikirwa; musiyano wehupenyu hwemotokari unogona kuva mukuru. Mapurogiramu anoisa mari mukushanda zvakanaka kwesimba anobatsira kuburikidza nekuvandudzwa kwenguva yekushanda kwerobhoti; mapurogiramu anoiona sepfungwa yekuzotevera dzimwe nguva anotumira marobhoti ane nguva pfupi yekushanda kupfuura yaizotsigirwa nemabhatiri.

Bhodhi rekugovera magetsi rinoshandawo semutariri werobhoti padanho remagetsi. Kubatana kwekumuka, kurara, uye kurongeka kwemagetsi kunowanzogara pabhodhi iri nekuti bhodhi rinogara richishandiswa kana chero chikamu cherobhoti chikashandiswa. Zvirongwa zvinoisa pakati pekutarisira magetsi pabhodhi rekugovera zvinoita kuti hunyanzvi hwese hwemagetsi huve nyore; mapurogiramu anogovera kutarisa anowanzo gadzira kubatana kwakaoma kwakaoma kufunga nezvako.

Padanho rehurongwa, bhodhi rinofanira kutsanangurwa zvichienderana nebasa, nharaunda, hupenyu hwese, uye kufukidza bvunzo kwete nehurongwa chete. Izvi zvinodzivirira kukanganisa kwakajairika pakuvaka PCB yakarurama iyo yakaoma kugadzirisa, yakaoma kugadzirisa, kana isina kusimba zvakakwana kana yaiswa murobhoti.

Magadzirirwo anoshandiswa nemabhatiri anofanira kuongororwa pamwe chete nebhodhi rekutonga mabhatiri remarobhoti , nepo mapuratifomu eplug-in kana akavharirwa angangoda kurongeka nePCB yemagetsi yeAC-DC.

Topology Yekupinda: Bhatiri, DC Bhazi, AC-DC, Matsime Akawanda

Maitiro Ekusarudza Topology Yekupinda

Kushandiswa kwemagetsi erobhoti kunoenderana nekwakabva simba rerobhoti. Marobhoti ekufambisa anoshandiswa nemabhatiri ane zvinodiwa zvakasiyana zvekushandisa pane makabati eindasitiri anoshandiswa nemagetsi emagetsi. Matobhoti makuru ekushandisa magetsi ndeaya:

• Kupinza bhatiri zvakananga: voltage yebhatiri inopa DC-DC converters zvakananga. Yakajairika pamarobhoti mazhinji anofamba.
• Zvinongedzo zvebhazi reDC: bhazi reDC rinowanzo shandiswa nebhatiri kana AC-DC frontend. Rinoita kuti kugoverwa kwechitima kuve nyore kune mamwe masisitimu.
• Kumberi kweAC-DC: mains input yakashandurwa kuita DC. Yakajairika pamarobhoti eindasitiri asingachinji. PFC yaidiwa kupfuura mazana mashoma emawatts.
• Kuisa manyuko akawanda: bhatiri pamwe neAC input ine otomatiki transfer. Zvakajairika pamarobhoti anoshanda ari padhoki uye ari pamota.

Maitiro eInput Topology Anokanganisa Sei Mutengo uye Kuvimbika

Kusarudzwa kwetopology yekuisa zvinhu kune mhedzisiro yakawanda pakugadzira robhoti. Robhoti rinofamba rinoshandisa bhatiri rine bhatiri rakananga rinoisa zvinhu rinoda ma converter anobata voltage yakakura yekuisa zvinhu; robhoti rine DC bus input rinogona kushandisa ma converter ane dambarefu rekuisa zvinhu uye dhizaini iri nyore. Sarudzo yetopology inokanganisa mutengo nekuoma kwenzira dzese dziri pasi pemvura.

Matoporiji ekuisa zvinhu zvakawanda anogonesa kushanda kubva pamagetsi ebhatiri kana egungwa, izvo zvinowanzoonekwa pamarobhoti ekutumira uye ekushandira anomira kuti achaji asi achishanda asina kusungirirwa. Kutamiswa pakati pezvinhu kunofanirwa kunge kwakanyatsorongeka zvekuti kushanda kunoramba kuchienderera mberi pasina kukanganiswa; dhizaini yehardware inotsigira izvi yakaoma kupfuura masisitimu echinhu chimwe chete asi inobvumira kushanduka kwekushanda.

Mutemo unoshanda ndewokusarudza chivakwa chiri nyore chinoramba chichienderana nechiratidzo, kuchengetedzeka, kupisa, uye zvinodiwa nekanika. Kunyatsotsanangura zvinhu kunowedzera mutengo, nepo kusatsanangura zvinhu kuchiita kuti pave nekuvandudzwa panguva yekuyedza kana kuiswa kwechinhu mumunda.

Kusarudzwa kweTopology yeDC-DC Converter

Maitiro Ekusarudza DC-DC Converter Topology Sarudzo

Topology yeDC-DC converter inoenderana nekuiswa kwayo ndiyo inosarudza kushanda kwekushandura uye mutengo. Mapoka makuru etopology ndeaya:

• Buck (kudzika pasi): mwero wezvitima zvine simba remagetsi mashoma. Kushanda zvakanaka kunowanzoita 90-95% kana zvichigadziriswa zvakafanana.
• LDO: Chinodzora mutsetse wemagetsi chinodonhedza pasi. Chiri nyore uye chine ruzha rushoma; kushanda zvakanaka kushoma. Chinowanzo shandiswa pazvitima zvidiki zvine simba shoma kana zvinhu zvakachena zveanalog.
• Kukwidziridza (kuwedzera simba): inoshandura voltage yakaderera kuita yakakwirira. Inowanzoonekwa pamarobhoti anoshandisa bhatiri apo mamwe majanji anodarika voltage yebhatiri.
• Kukurudzira rombo: Inobata voltage yekupinda inobatanidza inobuda. Inowanzoonekwa pamarobhoti anoshandisa bhatiri apo voltage yebhatiri inogona kudonha pasi pevoltage yechitima panguva yekubuda.
• DC-DC Yakaparadzaniswa: Kuparadzaniswa kwesimbi pakati pezvinhu zvinopinda nezvinobuda. Zvinowanikwa pakutaurirana uye pazvitima zvakakosha pakuchengetedza.

Kusarudzwa kweDC-DC Converter Topology Kunokanganisa Sei Mutengo uye Kuvimbika

Kusarudzwa kweDC-DC converter panguva yekugadzira hakungotaridzi kushanda zvakanaka chete asiwo kupindura kwenguva pfupi, kurira, uye maitiro ekutanga. Converter ine 95% inoshanda zvakanaka pamutengo wepamusoro inogona kuderera kusvika 80% kana mutoro wakareruka - kukosha parobhoti rinopedza nguva yaro yakawanda riri muchimiro chakamira. Mapurogiramu anotsanangura kushanda zvakanaka munzvimbo dzese dzekushanda anochengetedza hupenyu hwebhatiri; mapurogiramu anotsanangura chete pamutengo wepamusoro dzimwe nguva anotumira marobhoti nenguva yekumhanya inosuwisa.

Ma "multi-phase converters" pa "high currents" anogovera mutoro muzvikamu zvakasiyana-siyana zvekuchinja, achideredza "input" uye "output ripple" ukuwo achivandudza kugoverwa kwe "thermal distribution". "Standard" pa "high-current rails" dzinopa ma "motor drives" kana kuti "high-power compute". Kuoma kwedhizaini kwacho kwakanyanya kupfuura "single-phase" asi mabhenefiti emagetsi ne "thermal" anotsigira izvi pakushandiswa kwe "high-current".

Kurongeka kweSimba uye Kurongeka

Zvinodiwa zveMagetsi neThermal

Kutevedzana kwemagetsi kunobatanidza kuvhurwa nekudzima kwechitima. MaSoC emazuva ano uye masisitimu akaomarara anoda kurongeka kwechitima kwakanangana nenguva panguva yekudzimwa kwesimba. Zvinhu zvikuru zvekufunga nezvazvo pakutevedzana kwesimba ndeizvi:

• Kutendeuka kwakatevedzana: kurongeka kwechitima panguva yekutanga. Dzimwe nguva nemitengo yakatarwa yekukwira kana kunonoka.
• Kudzima kwakarongeka: kutevedzana kwemagetsi panguva yekudzima. Dzimwe nguva nemaitiro akatsanangurwa ekudzivirira magetsi pakurasikirwa kwemagetsi.
• Kupararira kwezvikanganiso: Dambudziko pane imwe njanji rinogona kuda kuti njanji dzakabatana dzivharwe. Hardware yemuno pamwe nekutarisirwa kwesystem.
• Kukwazisana maoko kwakagadzirira: Masisitimu ari pasi pemvura anosimbisa kugadzirira usati waenderera mberi. Chiyero chekugoverwa kwesimba reSoC-scale.
• Maitiro ekumira: Simba rakaderera rine ma "critical rails" chete. Inobvumira maitiro ekurara nekumuka.

Maitiro Ekuedza Kugadzira uye Kukundikana

Kukanganisa pakutevedzana kwedata panguva yekukwidza simba kana kudzikisa simba ndiko kunokonzera kutadza kuona zvakanaka. Njanji inobuda zvishoma kunze kwekutevedzana kwedata inogona kukonzera kana kusakonzera matambudziko anooneka zvichienderana neSoC chaiyo uye mamiriro chaiwo ekukundikana. Mapurogiramu anogadzira uye anoedza kutevedzana kwedata anonyatsodzivirira dambudziko iri; mapurogiramu anobata kutevedzana kwedata dzimwe nguva anotumira zvigadzirwa zvine kutadza kushanda kweboot nguva nenguva.

Kuongororwa kwe failure mode yekutevedzana kwemagetsi hakufanirwe kungosanganisira kudzima magetsi zvakanaka chete asiwo kudzikisa magetsi zvisina kunaka (bhatiri riri kufa, kudzima main switch panguva yekushanda, kudzima magetsi). Marobhoti anobata kudzima magetsi zvisina kunaka anochengetedza mamiriro awo uye anotangazve zvakanaka; marobhoti anobata magetsi zvisina kunaka dzimwe nguva anoda kudzoreredzwa kwefirmware yakazara mushure mekurasikirwa nemagetsi kamwe kamwe.

Dziviriro: Yakanyanya Kupfuura Mwero, Yakanyanya Kupfuura Mwero, Polarity Yekudzokera Kumashure, Dunhu Repfupi

Zvinodiwa zveMagetsi neThermal

Dziviriro pabhodhi rekugovera magetsi ndiyo nzira yekutanga yekudzivirira zvikanganiso. Mapoka makuru edziviriro ndeaya:

• Kupinza magetsi akawandisa: fuse, PTC, kana eFuse inoganhurira magetsi ekupinda. Nguva yekupindura inoenderana nekugona kwesource.
• Polarity yekudzokera shure: dziviriro kubva pakubatanidza bhatiri zvisiri izvo. Yakavakirwa paFET kana kuti yakavakirwa padiode.
• Over-voltage: Kuvhara kana kudzima kana zvinhu zvinopinzwa zvikadarika muganho wakachengeteka. Kunodzivirira kukuvara kunobva pakudonhedza zvinhu kana kupa zvinhu zvisiri izvo.
• Kupfuura simba remagetsi panjanji yega yega: Kuvharwa kana kupetwa kana njanji yakawandisa. Inoita kuti pave nekutadza kune subsystem yakakanganiswa.
• Kupisa kwakanyanya: Kuvhara kana tembiricha yebhodhi yadarika muganho wakachengeteka. Kunodzivirira kupisa kutiza.
• Kupfupisa kwedunhu: Kukurumidza kupindura kana pabuda chinhu chipfupi. Kunodzivirira waya dzemagetsi nedzepasi.

Maitiro Ekuedza Kugadzira uye Kukundikana

Kufanirwa kwechikamu chekudzivirira kunokosha nekuti zvikamu izvi zvinoshandisa maitiro ekuchengetedza. Ma eFuses, ma TVS diodes, ma FET ekudzivirira, uye zvikamu zvinodzora magetsi zvinofanirwa kuita sezvakatsanangurwa kana paine zvikanganiso; kutsiva chikamu panguva yekugadzira kunogona kukanganisa maitiro ekudzivirira. Zvirongwa zvinogadzirisa zvikamu zvekudzivirira zvinochengetedza kuchengetedzeka; mapurogiramu anozvibata sezvinhu dzimwe nguva anoona kutadza kwekudzivirira mumamiriro ezvinhu ekutadza.

Kuongororwa kwemaitiro ekutadza kunoratidza kuti dziviriro inoshanda zvechokwadi. Kushandisa zvikanganiso zvinoratidza panguva yekuyedza — over-current, over-voltage, reverse polarity — kunoratidza kuti dziviriro inopindura nemazvo. Mapurogiramu anoedza dziviriro panguva yekubata zvinhu zvekugadzira uye matambudziko ekugadzira ayo aizongoonekwa chete panguva yezvikanganiso chaizvo mumunda.

Maseketi ekutarisa anonyanya kubatsira kana data rezvikanganiso zvawo rasvika parobhoti network interface uye rinogona kusimbiswa kuburikidza nekushanda kwekuedza kwemagetsi kunodzokororwa.

Kubatanidzwa kweKutarisa neKutarisira Mabhatiri

Zvinodiwa zveMagetsi neThermal

Kutarisa kunobatanidza kugoverwa kwesimba nekutarisira mabhatiri uye kuongororwa kwehurongwa. Maparamita makuru anotariswa ndeaya:

• Input voltage uye ikozvino: yakabatanidzwa nekutarisira mabhatiri kuti iongorore mamiriro echaji.
• Voltage yechitima chega chega: Inosimbisa kuti njanji dziri mukati mekutsungirira. Inoona kuora zvishoma nezvishoma isati yakundikana.
• Pari-rail current: kutarisa mutoro wekuongorora uye kuongorora kushandiswa kwemutoro.
• Kupisa kwebhodhi: masensa akawanda ekutarisa kupisa. Dzimwe nguva anobatanidzwa nekudzora kutonhora.
• Chikanganiso: zviratidzo zvezvikanganiso zvinowanikwa nemukuru wevatariri kuti vaongorore matambudziko uye vanyore zviitiko.
• Kukurukurirana interface: I²C, CAN, kana yakafanana neyakanyanya kudzora. PMBus yakajairika mune mamwe magadzirirwo.

Maitiro Ekuedza Kugadzira uye Kukundikana

Kuongororwa kwehuwandu hwekuongorora kunokanganisa kugona kwekuongorora. Kuongororwa kwemagetsi pa-rail kunoratidza kuti ndeipi subsystem iri kukweva magetsi akawandisa; kuongororwa kweaggregate kunongoratidza kuti chimwe chinhu chiripo. Mapurogiramu anotarisa michina anogonesa kukurumidza kuongororwa kwematambudziko emunda; mapurogiramu anotarisa michina dzimwe nguva anonetseka kuona subsystem chaiyo inokonzera zviratidzo zvinoonekwa.

Kubatanidzwa kwekutarisira mabhatiri kuburikidza nePMBus kana protocol yakafanana kunoita kuti manejimendi yesimba ishande zvakanaka mupaketi nebhodhi rekugovera. Kuongororwa kwemamiriro echaji, kudzora kuchaja, uye manejimendi yekupisa zvese zvinobatsirwa nekurongeka kwakasimba. Mapurogiramu anogadzira iyi kubatanidzwa anogadzira nemaune marobhoti anotarisira simba nehungwaru; mapurogiramu anobata paketi nekugovera sezvinhu zvakasiyana dzimwe nguva anotumira marobhoti ane manejimendi esimba asina kunaka.

Kuti uwane sarudzo dzekugadzira dziri pedyo, ona gwara rekuchengetedza bhatiri reBMS PCB rerobhoti uye PCB yemutyairi wemota ine simba guru yemarobhoti.

MaPCB eKugovera Simba reKugadzira paHighleap

Ongororo yeDFM Usati Wagadzira

Highleap inogadzira mabhodhi ekugovera magetsi ane maitiro chaiwo anodiwa nemabhodhi emagetsi ane simba remagetsi rakawanda. Hunhu hwacho hunosanganisira:

• Kugadzirwa kwemhangura hombe: kuti uwane simba remagetsi rinopinda uye nzira dzechitima dzinoshandiswa. 2-4 oz yakajairwa; inorema kana wabvunza.
• SMT ine simba guru uye gomba rinopinda naro: nzvimbo yacho uye nzira yekusonesa majoini ane simba guru. Ruzivo rwekudzokorodza rwakagadzirirwa kupisa kwakanyanya.
• Zviteshi zvekudhinda: Kubatana kwemagetsi epamusoro-soro kunokwanisa kutenderera zvakanyanya. Zvinoenderana nekugoverwa kwesimba remaindasitiri.
• Thermal management: mhangura inorema pamwe nekupisa kuburikidza ne arrays pamwe ne heatsink attachment pama converters eDC-DC.
• Kusimbiswa kwekushanda zvakanaka: Kuyerwa kwekushanda kwemuenzaniso kana zvakumbirwa. Inoongorora kuti chinangwa chekugadzira chinoenderana neicho chakagadzirwa.
• Zvinyorwa: zvinyorwa zvebvunzo zvepayuniti imwe neimwe zvinosanganisira kushanda zvakanaka uye kusimbiswa kwedziviriro.

Kuedza, Kutevedza, uye Kugadzwa Kwebasa

Kugadzira mabhodhi emagetsi eHighleap kwakagadzira mabhodhi kubva kumarobhoti madiki ekushandira vatengi ane makumi ema watts kuburikidza nemapuratifomu emaindasitiri ane kilowatt scale. Maitiro ekugadzira anoenderana nehukuru hwesimba - mabhodhi madiki anoshandisa SMT yakajairwa uye multilayer; mabhodhi makuru anoshandisa mhangura inorema, ma terminals epress-fit, uye kubatanidzwa kwekutonga kwekupisa.

Kubatanidzwa kwekugadzirwa kwemagetsi emagetsi pamutengesi ane ruzivo rwakatarisana nemagetsi ndeimwe yenzira dzakakosha dzinoshandiswa nemapurogiramu emarobhoti mukushanda kweHighleap. Kugoverwa kwemagetsi inzvimbo yakakosha uko kunzwisisa kwakaunganidzwa - kwekugadzira kupisa, maitiro ekudzivirira, kuongorora kutevedzana, uye kubatanidzwa kwekutarisa - kunovandudza mhedzisiro; kuvaka mapurogiramu nevatengesi vasina hunyanzvi mukugoverwa kwemagetsi dzimwe nguva vanorasikirwa nemabhenefiti ekunzwisisa uku kwakaunganidzwa.

Mibvunzo Inowanzo bvunzwa NezveKugovera Simba reRobhoti PCB

Chii chinoitwa nerobhoti rinopa simba rekushandisa PCB?

PCB yemagetsi erobhoti inogamuchira sosi huru yemagetsi uye inoshandura, inochinja, inodzivirira, inotevedza, uye inotarisa njanji dzinoshandiswa nerobhoti. Inogona kudyisa madhiraivha emota, masensa, mabhodhi ekuverenga, mamodule ekutaurirana, maseketi ekuchengetedza, uye mainterface ekuchaja. Dhizaini yayo inokanganisa zvakanyanya nguva yekushanda, kuvimbika, kuongororwa, uye kudzora zvikanganiso.

Ndeapi ma voltages akajairika mukugoverwa kwesimba remarobhoti?

Zvinoshandiswa zvinowanzo sanganisira 12 V, 24 V, 36 V, 48 V, uye voltages dzebhatiri kana DC-bus dzakakwira. Rails dzinobuda dzinowanzo sanganisira 12 V, 5 V, 3.3 V, 1.8 V, uye core rails dzakagadzirwa ne processor. Magadzirirwo evoltage akakodzera anoenderana nesimba remota, kurasikirwa kwetambo, dhizaini yebhatiri, zvinodiwa zvekuchengetedza, uye kushanda zvakanaka kwe converter.

PCB yekugovera simba inoda mhangura inorema riini?

Mhangura inorema inoshandiswa kana huwandu hwemagetsi, kudzikira kwemagetsi, kana kukwira kwekupisa kwakakwira zvakanyanya kana ikashandisa mhangura yakajairwa. Inowanzo shandiswa pamagetsi anopinza mabhatiri, madhiraivha emota, nzira dzekuchaja, uye nzira dzinoburitsa magetsi akawanda. Sarudzo yacho inofanira kunge yakavakirwa pamagetsi anoenderera mberi, magetsi anokwira, upamhi hwetrace, nzvimbo yebhodhi, kukwira kwekupisa, uye kugona kugadzirwa.

Sei kutevedzana kwesimba kuchikosha mumarobhoti?

Kutevedzana kwemagetsi kunodzivirira masystem kuti asatange nenzira isina kuchengetedzeka kana isina kutsanangurwa. Kuverenga, masensa, madhiraivha emota, maseketi ekuchengetedza, uye mamodule ekutaurirana anowanzo kuve nezvinodiwa zvakasiyana zvekutanga. Kutevedzana kwakadzorwa kunoderedza njodzi yekusunga, kunodzivirira mabhodhi ari pasi, kunovandudza kujeka kwekuongorora, uye kunogonesa maitiro ekufungidzira ekumuka, kurara, kuchaja, uye emergency-shutdown.

Mabhodhi emagetsi erobhoti anofanira kusanganisira macircuit api ekudzivirira?

Dziviriro yakajairika inosanganisira kusanganisa ma "input fusing", kudzivirira reverse-polarity, inrush current limiting, kudzivirira over-current, kudzivirira short-circuit, surge kana transient depression, over-voltage protection, thermal shutdown, uye per-rail fault reporting. Marobhoti anonyanya kukosha pakuchengetedza anogona kudawo nzira dzekudzima magetsi uye hardware-defined safe states.

Kugoverwa kwesimba kunokanganisa sei nguva yekushanda kwemarobhoti?

Kurasikirwa kwega kwega kwekuchinja kunova kupisa uye kunoderedza nguva yekushanda. Topology inoshanda yeDC-DC, magadzirirwo evoltage akakodzera, ma connectors asingaderedze zvakanyanya, huremu hwakakodzera hwemhangura, uye kushandiswa kushoma kwebheteri zvinovandudza hupenyu hwebhatiri. Nguva yekushanda inofanira kuongororwa panguva chaiyo yebasa, kwete chete mumamiriro ezvinhu akafanana ekuremerwa.

MaPCB emagetsi erobhoti anofanira kuyedzwa sei?

Kuyedza kunofanira kuona kuti magetsi ari kupinza magetsi, kurongeka kwemagetsi anobuda, kurongeka kwenzira dzechitima, kudzorwa kwemutoro, kutenderera kwemutoro, mafambiro ekupisa, zvidziviriro zvekudzivirira, kuzivisa zvikanganiso, uye kutaurirana nemukuru wekambani. Mabhodhi ane magetsi akawandisa anofanira kuyedzwa pasi pemitoro chaiyo kana zvichibvira, nekuti bvunzo dzemagetsi akaderera dzinogona kusaratidza matambudziko ekupisa kana kudonha kwemagetsi.

Mari yePCB yekugovera simba remarobhoti inogona kuderedzwa sei zvakachengeteka?

Mutengo unogona kuderedzwa nekupatsanura zvikamu zvine simba guru uye zvine simba shoma nekuchenjera, kudzivirira kuwanda kwezvitima zvisina basa, kushandisa mhuri dzevashanduri, kusarudza huremu hwemhangura chaiyo, kubatanidza zvinobatanidza, uye kugadzira nzira yekuyedza nekukurumidza. Mutengo haufanirwe kuderedzwa nekubvisa dziviriro, kupatsanura muganhu, kana nzira dzekupisa dzinodiwa kuti ushande zvakachengeteka.

Tumira mafaira ebhodhi rekugovera simba remarobhoti kuti riongororwe neDFM