Ho khetha li-IC tsa phepelo ea motlakase bakeng sa likoloi ho bolela hore o hloka ho shebella maemo a motlakase, litekanyetso tsa hajoale, le boleng ba moralo. U lokela ho khetha likarolo tse tšepahalang haholo le ho latela melao hantle. Tafole e ka tlase e bontša lintho tse thusang ho etsa hore litsamaiso li tšepahale haholoanyane:
Ntlha ea Tšepo | Tšusumetso ho Tšepahalang ea Sisteme |
|---|---|
Tšepahala ea Karolo | Likarolo tse ling li sebetsa hantle ebile li nka nako e telele ho feta tse ling. |
Tsamaiso ea Thermal | Taolo e ntle ea mocheso e fokotsa khatello ea maikutlo 'me e emisa ho hloleha. |
Phoso | Mekhoa e meng e ka emisa mathata a maholo libakeng tsa bohlokoa. |
Moralo bakeng sa Tlhahiso | Moralo o bohlale o fokotsa libaka tseo lintho li ka senyehang ho tsona. |
Tšebeliso ea Likarolo tsa Boemo bo Phahameng | Ho sebelisa likarolo tse betere ho etsa hore sistimi e be matla le ho latela melao. |
Li-capacitor tsa bophelo bo bolelele | Tsena di fokotsa monyetla wa mathata a tlwaelehileng a phepelo ya motlakase. |
Litlhaloso tse Sebetsang ka Tlase ho Litekanyetso | Ho matha ka tlase ho meeli ho thusa lintho ho sebetsa hantle le ho nka nako e telele. |
Hape o hloka ho etsa bonnete ba hore moralo oa hau o latela melao.
Moralo o matla o nang le maemo a motlakase o sireletsehileng o o thusa ho fihlela lipheo tsa ts'epo.
Lintho tse kang boemo ba leholimo, lerata la motlakase, le kamoo o behang PCB kateng li bohlokoa haholo mabapi le hore na IC ea hau ea phepelo ea motlakase e sebetsa joang. Haeba u ela hloko lintho tsena, u etsa hore sistimi ea hau e bolokehe haholoanyane 'me e sebetse hantle.
Litsela tsa bohlokoa
Khetha li-IC tsa phepelo ea motlakase tse sebetsang hantle nako e telele likoloing.
Hlahloba litlhoko tsa motlakase le tsa hona joale ho emisa mathata ha mojaro o fetoha.
Nahana ka lintho tse kang mocheso le mongobo ho thusa likarolo ho tšoarella nako e telele.
Khetha li-PMIC tse sebelisang sebaka se senyenyane le tse nang le likarolo tse ngata bakeng sa meralo e betere.
Etsa bonnete ba hore likarolo li latela melao ea koloi ho li boloka li sireletsehile ebile li sebetsa hantle.
Mekhoa ea Khetho ea Phepelo ea Motlakase ea IC
Voltage le Litlhoko tsa Hona Joale
O hloka ho bapisa ditlhoko tsa motlakase le tsa hona jwale le di-IC tse nepahetseng tsa phepelo ya motlakase. Karolo ka nngwe ka koloing ya hao, jwalo ka mabone a pele kapa diradio, e hloka motlakase le motlakase o fapaneng. Ha o bulela ntho e kang lebone la pele, motlakase o ka fetoha kapele. Sena se ka etsa hore motlakase o tswang o nyolohe kapa o theohe. Haeba phepelo ya motlakase e etseditsweng 3A e tlameha ho fana ka 4A, motlakase o ka theoha kapa wa tlola. Ho leka hore na regulator e arabela jwang diphetohong tse potlakileng ho o thusa ho bona hore na o sebetsa hantle. Sekotwana sa taolo ya maikutlo potolohong e kopaneng ya tsamaiso ya motlakase se boloka motlakase o tsitsitse. Haeba sekotwana sena se sa sebetse, motlakase o ka sisinyeha haholo. O lokela ho boloka mamello ya dikarolo e le haufi, ka hare ho 5%, ho emisa mathata a motlakase.
Liphetoho tse potlakileng mojarong li ka etsa hore motlakase o fetohe.
Ho leka hore na sistimi e arabela joang mehatong ea ho jarolla ho bohlokoa.
Sekotwana sa karabelo se thusa ho boloka motlakase o tsitsitse.
Mamello e tiileng e thusa ho emisa mathata a motlakase.
Ho fetola balaoli le balaoli ba mola o otlolohileng ka bobeli ho thusa ho laola motlakase. Balaoli ba mola o otlolohileng ba molemo bakeng sa phetoho ea DC ho ea ho DC le katleho e phahameng. Balaoli ba mola o otlolohileng ba molemo ha o hloka lerata le tlase le motlakase o tsitsitseng. Kamehla hlahloba litekanyetso tsa motlakase le tsa hona joale bakeng sa balaoli ka 'ngoe, ba fetolelang motlakase, le IC ea phepelo ea motlakase pele u khetha.
Lintho tsa Tikoloho
Likoloi li ka ba libakeng tse thata. U lokela ho nahana ka mocheso, mongobo le mongobo ha u khetha li-IC tsa phepelo ea motlakase. Lithempereichara tse phahameng kapa tse tlase li ka senya hore na IC ea taolo ea motlakase e sebetsa hantle hakae. Mohlala, haeba mocheso o nyoloha ka 10°C, capacitor e ka nka nako e telele joalo ka halofo. Lithempereichara tse batang li ka etsa hore manonyeletso a solder a petsohe, e leng se ka bakang ho hloleha kapele. Lithempereichara tse phahameng le tse tlase ka bobeli lia bohlokoa bakeng sa taolo le katleho ea motlakase.
Mongobo o ka baka mafome le ho fokotsa ho thibela mocheso likarolong.
Lisebelisoa tsa ho kenya holim'a metsi le li-array tsa gridi ea bolo li ka senyeha ke mongobo.
Ho fetoha ha mocheso le mongobo ho ka senya likarolo kapele.
Mongobo o phahameng o ka baka ho dutla le dipotoloho tse kgutshwane.
Kamehla hlahloba litekanyetso tsa tikoloho bakeng sa potoloho e 'ngoe le e 'ngoe e kopantsoeng ea taolo ea matla. Haeba u hlokomoloha lintho tsena, u ka fumana maqhubu a motlakase a mangata, taolo e mpe, le lerata le eketsehileng.
Sebaka le Foromo Ntlha
Sebaka se thata kahare ho diyuniti tsa taolo ya koloi. O hloka di-IC tse nyane tsa phepelo ya motlakase le di-PMIC ho lekana dibakeng tsena. Di-PMIC di kenya mesebetsi e mengata ya taolo ya motlakase ka hara chip e le nngwe, kahoo di boloka sebaka mme di nolofatsa meralo. Di-IC tse arohaneng di hloka sebaka se seholo sa PCB le sebaka se seholo sa mocheso, kahoo di kanna tsa se ke tsa lekana meralong e menyenyane.
Li-ECU tsa likoloi li hloka meralo e menyenyane.
Li-PMIC li boloka sebaka ka ho kopanya mesebetsi.
Li-IC tse arohaneng li hloka sebaka se eketsehileng sa PCB le sebaka sa ho futhumatsa.
Ho etsa hore lintho li be nyane ke mokhoa o moholo oa lisebelisoa tsa elektroniki tsa likoloi. Likarolo tse nyane li u thusa ho haha litsamaiso tse matla sebakeng se senyenyane. Likoloi tsa sejoale-joale li sebelisa lipotoloho tse kopaneng tsa taolo ea matla tse fetang 100 bakeng sa lintho tse kang taolo ea betri, tatellano ea matla, le taolo ea mocheso. Theknoloji e ncha ea semiconductor e re lumella ho etsa li-regulator tse nyane, tse betere tsa ho fetola le li-regulator tse otlolohileng.
Mehopolo ea ho Tšepahala
U batla hore sistimi ea koloi ea hau e tšoarelle nako e telele. Liteko tsa ts'epo li u thusa ho khetha li-IC le li-PMIC tse ntle ka ho fetisisa tsa phepelo ea motlakase. Baetsi ba sebelisa liteko tse ngata ho hlahloba hore na regulator kapa converter e sebetsa hantle hakae ha nako e ntse e ea.
Mokhoa oa ho Leka | morero |
|---|---|
Tlhahlobo ea ho chesa kahare | E fumana liphoso tsa pele |
Mocheso oa libaesekele | E hlahloba ts'ebetso ha ho chesa le ha ho bata |
Netefatso ea ts'ebetso | E hlahloba hore na litsamaiso tsa ADAS/tse ikemetseng li sebetsa hantle |
Netefatso ea sebopeho sa lebelo le phahameng | E hlahloba botšepehi ba puisano |
Liteko tsa reverse bias tse phahameng tsa mocheso (HTRB) li hlahloba botsitso ba nako e telele. Liteko tsena li nka lihora tse fetang 1,000 mochesong o phahameng 'me li shebelle ho lutla. U lokela ho khetha li-IC tsa phepelo ea motlakase tse fetang liteko tsena. Li-switching regulators tse ntle le li-linear regulators li thusa ho boloka motlakase o tsitsitse le ho sireletsa sistimi ea hau.
ho latelwa taolo
O tlameha ho latela melao e thata ha o rala litsamaiso tsa motlakase tsa koloi. Li-IC tsa phepelo ea motlakase le li-PMIC li hloka ho fihlela maemo a polokeho, EMI/EMC, le a ts'ebetso e ntle. Melao ena e thusa ho boloka sistimi ea hau e sireletsehile le ho etsa bonnete ba hore e sebetsa le lisebelisoa tse ling tsa elektroniki ka koloing.
Category | Tlhaloso |
|---|---|
Litekanyetso tsa polokeho | Melao e bolokang li-IC tsa phepelo ea motlakase li sireletsehile likoloing. |
Litekanyetso tsa EMI/EMC | Melao mabapi le tšitiso le ho lumellana, ea bohlokoa bakeng sa likoloi. |
Mekhoa ea ho sebetsa hantle | Melao mabapi le ho boloka matla, ea bohlokoa bakeng sa tikoloho. |
O lokela ho batla mangolo a netefatso a kang AEC-Q100 le ISO 26262. AEC-Q100 e hlahloba hore na potoloho e kopaneng ea taolo ea matla e ka sebetsana le maemo a thata joalo ka mocheso le ho thothomela. ISO 26262 e bua ka polokeho bakeng sa litsamaiso tsa motlakase likoloing. Ho fihlela melao ena ho u thusa ho haha litsamaiso tsa likoloi tse sireletsehileng, tse matla le tse sebetsang hantle.
Keletso: Kamehla hlahloba mangolo a morao-rao a netefatso le lipampiri tsa ho latela melao pele u khetha IC ea phepelo ea motlakase kapa PMIC bakeng sa projeke ea koloi ea hau.
Likarolo tsa Bohlokoa tsa Tsamaiso ea Matla a IC
Taolo ea ho Ripple le Lerata
U batla hore lisebelisoa tsa elektroniki tsa koloi ea hau li sebetse hantle. Ho ripple le lerata li ka senya li-sensor, li-radio le lik'hamera. Potoloho e kopaneng ea taolo e ntle ea matla e sebelisa li-switching regulators le li-linear regulators ho boloka motlakase o tsitsitse. U lokela ho khetha li-PMIC tse nang le li-filter tse matla tsa lerata le maqhubu a tlase. Sena se thusa ho boloka motlakase o tsitsitse 'me se etsa hore lits'ebetso tsa infotainment le ADAS li sebetse hantle.
Sebaka sa Kopo | Likarolo tsa Bohlokoa lia Hlokahala |
|---|---|
Mekhoa e tsoetseng pele ea Thuso ea Bakhanni (ADAS) | Matla a tsitsitseng bakeng sa di-sensor, dikhamera le di-processor; a tshepahala bakeng sa dibopeho tsa polokeho tse kang ho brake maemong a tshohanyetso le ho boloka tsela. |
Infotainment Systems | Phetoho e ntle ea motlakase, li-filter tsa lerata, le tšireletso khahlanong le ho phahama ha motlakase bakeng sa boithabiso le likhokahano. |
Lisebelisoa tsa Powertrain | Litlhahlobo tsa nako ea sebele, ho fumana liphoso, le taolo ea mocheso bakeng sa likarolo tse sireletsehileng tsa motlakase le tsa koloi tse kopantsoeng. |
'Mele Electronics | Ho fetola mojaro, ho hlahloba ha jwale, le tshireletso ya potoloho e kgutshwane bakeng sa boiketlo le boiketlo ditsamaisong tse fapaneng. |
Inrush Current Hondling
Ha o qala koloi ya hao, motlakase o ka nyoloha ka potlako. Motlakase wa motlakase o ka lematsa motlakase wa IC haeba o sa laolwe. PMIC e nang le tsamaiso e ntle ya motlakase o kenang e sebedisa di-switching regulators le di-linear regulators ho boloka motlakase o tsitsitse ha enjene e qala. Sena se bohlokwa bakeng sa ditsamaiso tsa ho emisa motlakase.
Feature | ga tlhaloso |
|---|---|
Ho sebetsana le ho phahama ha ho kenya | Ho fihlela ho 60 V |
Voltage e nyane ea ho kenya (Buck) | 4.5 V |
Voltage e nyane ea ho kenya (SEPIC) | 3 V |
kopo | Sistimi ea ho emisa ho qala ha likoloi |
tshebetso | E boloka matla a le teng nakong ea ho qala ha enjene |
Tšebetso ea Karolo | E sebelisa likarolo tse fokolang |
Tsamaiso ea Thermal
Mocheso o ka etsa hore PMIC ea hau e senyehe kapele. U hloka taolo e ntle ea mocheso ho boloka potoloho e kopaneng ea taolo ea hau ea matla e pholile. Ho fetola li-regulator le li-linear regulator tse nang le phetoho e ntle ea motlakase ho etsa hore mocheso o be monyane. Sena se thusa ho boloka motlakase o tsitsitse le ho boloka sistimi ea hau e sireletsehile.
Feature | Tlatsetso ho Bophelo bo Bolelele |
|---|---|
Taolo e nepahetseng ea Voltage | E boloka lintho li tsitsitse leha maemo a fetoha |
Phetoho e Matla ea Matla | E fokotsa mocheso, kahoo likarolo li nka nako e telele |
Tšebetso ea Mocheso o Phahameng | E sebetsa hantle libakeng tse chesang haholo tsa likoloi |
Litlhoko tsa ho itšehla thajana
O hloka ho boloka dikarolo tse nang le motlakase o phahameng hole le dipotoloho tse nang le motlakase o tlase. Ho arolwa ha galvanic ka har'a IC ea taolo ea motlakase ho thibela motlakase ho tsamaea lipakeng tsa likarolo. Sena se thibela maqhubu a selika-likoe sa fatše 'me se boloka lisebelisoa tsa elektroniki tsa koloi li sireletsehile. Ho aroloa ho bohlokoa haholo likoloing tsa motlakase, moo lipotoloho tse nang le motlakase o phahameng li ka bang kotsi.
Ela Hloko: Ho itšehla thajana ho PMIC ho boloka tsamaiso le batho ba sireletsehile.
Likarolo tsa Tšireletso
U batla hore IC ea hau ea phepelo ea motlakase e tšoarelle nako e telele. Li-PMIC li sebelisa likarolo tse ngata tsa tšireletso ho emisa mathata. Likarolo tsena li kenyelletsa:
Li-suppressor tsa motlakase tse fetohang nakoana ho thibela li-spikes tsa motlakase.
Tšireletso ea polarity e khutlelang morao ho thibela tšenyo e bakoang ke likhokahano tse fosahetseng.
Tšireletso ea fuse le circuit breaker ho thibela ho feteletsa le ho tuka ha mollo.
Li-filter tsa EMI ho fokotsa lerata la motlakase.
Potoloho e matla e kopantsoeng ea taolo ea matla e nang le likarolo tsena e thusa ka taolo ea betri, ho latellana ha motlakase, le ho boloka sistimi ea hau e sireletsehile ebile e tšepahala.
Ho Lekola Li-PMIC le Li-IC tsa Phepelo ea Motlakase
Mekhoa ea ho lekanya
O tlameha ho hlahloba li-voltage rails ka hloko ha o leka li-IC tsa phepelo ea motlakase. Sebelisa li-probe tse khethehileng tse kang Tektronix TPR4000 kapa TPR1000. Li-probe tsena li ka lekanya voltage e phahameng ea DC le matšoao a potlakileng a AC. Li u thusa ho bona kamoo potoloho e kopantsoeng ea tsamaiso ea matla e sebetsanang le liphetoho tsa voltage. Khetha DC kapa AC coupling ho tšoara lintho tse kang ho theoha ha voltage. Sena se u thusa ho ithuta kamoo li-switching regulators le li-linear regulators li sebetsang ka nako ea sebele.
Teko ea Potoloho
Ho na le litsela tse fapaneng tsa ho leka PMIC ea hau bakeng sa ts'epo.
Teko ea ka hare ho potoloho e sheba karolo e 'ngoe le e 'ngoe le khokahano pele u qeta boto.
Teko e sebetsang e hlahloba hore na potoloho eohle e sebetsa hantle maemong a nnete.
Teko ea khatello ea tikoloho e etsa hore boto e shebane le mocheso, serame le ho thothomela.
Liteko tsena li u thusa ho bona mathata ka taolo ea motlakase, ho chencha le tšireletso pele sistimi e kena ka koloing.
Lisebelisoa tsa Ketsiso
Lisebelisoa tsa ketsiso li u lumella ho bona hore na potoloho e kopantsoeng ea taolo ea matla e tla sebetsa joang. U ka leka li-regulator tsa switching, li-linear regulator, le li-converter pele u haha ntho leha e le efe. Li-simulation li u thusa ho hakanya ho fetoha ha motlakase, tatellano ea motlakase, le tsamaiso ea betri. Sena se u boloka nako 'me se u thusa ho emisa liphoso tse turang.
Moralo oa PCB bakeng sa Tsamaiso ea Matla
Moralo o motle oa PCB o thusa sistimi ea koloi ea hau ho sebetsa hantle le ho tšoarella nako e telele. Beha likarolo tsa IC ea taolo ea motlakase libakeng tse bohlale. Sebelisa li-vias tse ngata bakeng sa litsela tse nang le motlakase o mongata. Latela melao e kang ISO 9001 ho etsa bonnete ba hore u fumana boleng bo botle. Sebopeho se setle se thusa ka taolo ea motlakase, ho chencha le taolo ea mocheso. Sena se etsa hore lipotoloho tsa hau tsa PMIC le tsa regulator li sebetse hantle.
Mekhoa ea Tlhahiso ea PCB
O hloka ho latela mehato e tiileng ha o etsa mapolanka bakeng sa li-IC tsa phepelo ea motlakase tsa likoloi.
Khetha likarolo tse tšoanelehang tsa AEC-Q100 bakeng sa liboto tse matla.
Sebelisa mehopolo e thata ea moralo joalo ka lipotoloho tsa ho boloka lintho tse ling le thepa e ntle.
Lekola 'me u hlahlobe liteko tsa mocheso, serame le tsa motlakase.
Kopana le melao ea IPC-A-610 Sehlopha sa 3 'me u sebelise mechini ho hlahloba mapolanka.
Boloka direkoto tse ntle bakeng sa polokeho le ho latela melao.
Mehato ena e o thusa ho fumana taolo e matla ea motlakase, ho chencha le tšireletso bakeng sa potoloho ea hau e kopaneng ea taolo ea matla.
Keletso: Liteko le moralo o hlokolosi li thusa PMIC ea hau ho fana ka matla a sireletsehileng, a tsitsitseng le a sebetsang hantle bakeng sa mosebetsi o mong le o mong oa koloi.
Ho Laola Mathata a Matla a Likoloi
Phokotso ea Hona Joale ea Inrush
Ha o bulela sistimi ea koloi, ho etsahala phallo ea motlakase. Ho phahama hona ho potlakileng ho ka lematsa potoloho e kopaneng ea taolo ea motlakase kapa ea taolo ea matla. Ho na le litsela tsa ho emisa phallo ea motlakase le ho boloka pmic ea hau e sireletsehile.
Dipotoloho tse bonolo tsa ho qala di phahamisa motlakase butle-butle, kahoo motlakase ha o nyolohe.
Mokhoa oa ho fokotsa resistor o sebelisa resistor ho fokotsa phallo ea motlakase, empa e ka senya matla.
Li-thermistore tsa NTC li qala ka khanyetso e phahameng, ebe lia theoha ha li ntse li futhumala, e leng se thusang qalong.
Hangata balaoli ba ho fetola le balaoli ba mola ba na le likarolo tsena ho boloka motlakase o tsitsitse le ho sireletsa sistimi ea hau.
Phokotso ea ho Ripple le Lerata
Ho ripple le lerata li ka senya li-sensor le li-radio ka koloing ea hau. U ka sebelisa litsela tse fapaneng tsa ho fokotsa lerata le ho thusa lintho ho sebetsa hantle.
Strategy | Phello Phokotsong ea Lerata |
|---|---|
Mekhoa e nepahetseng ea motheo | E etsa bonnete ba hore matšoao a mabe aa fela 'me ha a lematse potoloho |
Sebaka se setle sa li-capacitor | E boloka motlakase o tsitsitse ebile e fokotsa lerata |
Matšoao a fapaneng | E hlakola lerata ka ho sebelisa matšoao a mabeli |
Ho ntlafatsa botšepehi ba lets'oao | E emisa ho tlola ha lets'oao le litsela tse sa tsamaellaneng |
Beha di-capacitor haufi le pmic mme o sebedise dibead tsa ferrite moleng wa motlakase. Sena se thusa ho fetola di-regulator le di-linear regulator ho boloka motlakase o hlwekile. Mohlala, capacitor e tlase ya ESR haufi le phini ya VDD e theotse lerata ho tloha ho 90 mV ho ya ho 20 mV. Sena se bontsha hore moralo o motle o ka etsa hore sistimi ya hao ya taolo ya matla e sebetse hantle.
Khatello ea Mocheso le Tikoloho
Mocheso le maemo a thata li ka etsa hore potoloho ea hau e kopaneng ea taolo ea matla e senyehe kapele. U hloka li-sensor tse bohlale ho shebella mathata. Haeba u hlahloba ka linako tsohle, u ka fumana mathata esale pele 'me ua a lokisa kapele. Meralo e mamellang liphoso e thusa pmic ea hau ho tsoela pele ho sebetsa leha karolo e le 'ngoe e robeha. Ho fetola li-regulator le li-linear regulator tse nang le taolo e ntle ea mocheso ho ka sebetsana le libaka tse thata. Kamehla etsa bonnete ba hore regulator le converter ea hau li ka sebetsa mochesong oohle oa koloi.
Ho rarolla mathata a li-IC tsa Phepelo ea Motlakase
Haeba ho na le ntho e robehang, o hloka mehato ho fumana bothata.
Hlahloba dipotoloho tse ding pele. Etsa bonnete ba hore motlakase wa betri o nepahetse.
Sebelisa liteko tse sa fetoheng ho bona hore na o ka bua le sistimi ea taolo. Haeba ho se joalo, hlahloba motlakase oa phepelo le fatše.
Leka liteko tse fetohang. Shebella data e phelang ha sistimi e ntse e sebetsa. Haeba matšoao a le sieo, sebelisa sesebelisoa sa ho etsisa matšoao ho leka tlhahiso.
Mehato ena e o thusa ho fumana mathata ho balaoli ba hao ba pmic, regulator, kapa switching. Ho rarolla mathata hantle ho boloka sistimi ya hao ya taolo ya matla e bolokehile ebile e sebetsa hantle.
Keletso: Kamehla sebelisa tšireletso e matla 'me u latele litsela tse molemohali tsa ho laola motlakase, ho o fetola le ho o laola. Sena se thusa sistimi ea koloi ea hau hore e lule e sireletsehile 'me e sebetsa hantle.
hlahisitse phephetso | Tlhaloso |
|---|---|
Ho rarahana ha Tsamaiso ea Matla a Likoloi | Likoloi li na le lithapo le litsamaiso tse ngata, kahoo u hloka meralo e bohlale. |
Li-IC tsa motlakase li lokela ho lula li pholile, esita le libakeng tse chesang. | |
Lipelaelo tsa Ketane ea Phepelo | Ka linako tse ling likarolo li thata ho li fumana, e leng se ka senyang botšepehi. |
Tumellano le Maemo a Indasteri
Maemo a EMC a Likoloi
U tlameha ho latela melao e ikhethang bakeng sa ho lumellana ha motlakase ka likoloing. Melao ena e thusa pmic le balaoli ba hau ho sebetsa ntle le ho etsa lerata la seea-le-moea. U hloka ho hlahloba hore na lipotoloho tsa hau tsa taolo ea matla li latela melao ena:
SAE J551/4: E beha meeli bakeng sa tšitiso ea radio likoloing.
SAE J551/2: E koahela tšitiso ea radio bakeng sa likoloi, likepe le lienjene.
SAE J1113/41: E sireletsa li-receiver tse likoloing lerata la seea-le-moea.
UNECE R10: E fana ka melao ea ho amohela likoloi bakeng sa ho lumellana ha motlakase.
CISPR 12: E beha meeli bakeng sa ho sireletsa baamoheli ba kantle ho sekepe.
ISO 7637-1: E hlalosa mathata a motlakase a bakoang ke lithapo le likhokahano.
O lokela ho leka pmic le balaoli ba hao bakeng sa ho phahama ha motlakase le lerata. Moralo o motle o boloka di-elektroniki tsa koloi ya hao di sireletsehile tshitisong.
Setifikeiti sa ISO le AEC-Q100
Khetha li-IC tsa taolo ea motlakase tse fihlela maemo a ISO le AEC-Q100. Lisetifikeiti tsena li bontša hore pmic ea hau le balaoli ba ka sebetsana le maemo a thata a koloi. Tafole e ka tlase e bontša seo AEC-Q100 e se hlahlobang:
Sesupo sa AEC-Q100 | Bonyane ba Hlokahala | Tšusumetso Tshebetso ea Likoloi |
|---|---|---|
Boemo ba Mocheso o sebetsang | -40 ℃ ~ 150 ℃ | E etsa bonnete ba hore e sebetsa maemong a batang le a chesang |
Khanyetso ea Vibration | 10–2000Hz, 19.6m/s² | E thibela manonyeletso a ho tjhesa hore a se ke a robeha dikoloi tse tsamayang |
Mamello ea ESD | ≥8kV (HBM) | E sireletsa li-IC ho motlakase o sa fetoheng nakong ea litokiso |
AEC-Q100 e bolela hore pmic ea hau e fetile liteko tse 12 tsa khatello ea maikutlo. Litekanyetso tsa ISO tse kang ISO 16750 le ISO 26262 li boloka sistimi ea hau ea taolo ea matla e sireletsehile ebile e sebetsa tlas'a khatello.
Litokomane tsa Polokeho
O hloka ho boloka direkoto tse ntle bakeng sa karolo e 'ngoe le e 'ngoe ea taolo ea motlakase eo u e sebelisang. Litokomane tsa polokeho li bontša kamoo pmic le balaoli ba hau ba sebetsanang le motlakase le ho chencha. Lirekoto tsena li u thusa ho paka hore sistimi ea hau e fihlela melao ebile e sebetsa ka mokhoa o sireletsehileng. Ntlafatsa litokomane tsa hau ha u fetola moralo oa hau oa taolo ea motlakase.
Keletso: Litokomane tse ntle tsa polokeho li u thusa ho lokisa mathata kapele le ho boloka sistimi ea koloi ea hau e sireletsehile.
Tšehetso ea Moetsi
Khetha bafepedi ba pmic le ba taolo ya motlakase ba fanang ka tshehetso e matla. Tshehetso e ntle e bolela hore o fumana thuso ka mathata a balaodi. O ka kopa ditlaleho tsa diteko, data ya motlakase, le ditataiso. Tshehetso ena e o thusa ho rarolla mathata a motlakase le ho chencha kapele. E boetse e o thusa ho boloka sistimi ya hao ya taolo ya motlakase e bolokehile ebile e tshepahala.
U thusa ho etsa hore likoloi li bolokehe le ho tšepahala. Khetha li-IC tsa phepelo ea motlakase le li-PMIC tse latelang melao e thata. Mamela seo moetsi a se buang 'me u sebelise mehato e metle ea moralo oa PCB. Sheba melao le lintlafatso tse ncha khafetsa. Sena se u thusa ho lula u tseba lintho tsa morao-rao le ho etsa mosebetsi o betere indastering ea likoloi.
LBH
Ntlha ea bohlokoa ka ho fetisisa ha u khetha IC ea phepelo ea motlakase bakeng sa lits'ebetso tsa likoloi ke efe?
O tlameha ho etsa bonnete ba hore motlakase le motlakase li lumellana le sistimi ea hau. Sena se boloka moralo oa hau o sireletsehile 'me se thusa hore o sebetse hantle likoloing.
U sireletsa li-IC tsa phepelo ea motlakase joang mochesong libakeng tsa likoloi?
O ka sebelisa lintho tse kang li-heat sink le ho beha likarolo ka bohlale. Mehopolo ena e thusa li-IC tsa hau hore li lule li pholile 'me li tšoarelle nako e telele.
Ke hobane'ng ha u hloka li-filter tsa EMI meralong ea phepelo ea motlakase ea likoloi?
Li-filter tsa EMI li thibela lerata la motlakase ho hasana. Li thusa li-sensor, li-radio le lik'hamera ho sebetsa hantle ka koloing ea hau.
U hlahloba joang hore na IC ea phepelo ea motlakase e fihlela maemo a likoloi?
U lokela ho batla lintho tse kang AEC-Q100 le ISO 26262Tsena di bontsha hore di-IC tsa hao di ka sebetsana le maemo a koloi e thata.
U lokela ho etsa'ng haeba motlakase oa hau oa IC o hloleha koloing?
O ka hlahloba motlakase, wa sheba dithapo, mme wa sebedisa disebediswa tsa teko. Mehato ena e o thusa ho fumana le ho lokisa mathata ka potlako.
