Kugadzwa kwePCB yeComponent Obsolescence Management
Kutarisira kusashanda kwezvikamu inzira inodzorwa inoshandiswa kuchengetedza chigadzirwa chemagetsi chichigadziriswa mushure mekunge mugadziri achinja, arambidza kana kumisa chikamu. Kune mutengi wePCB assembly, dambudziko hariwanzo kungova rekutenga chete. Imwe EOL microcontroller, memory device, power IC, connector kana sensor zvinogona kukanganisa schematic, PCB footprint, firmware, programming files, performance evidence, test limit, service inventory uye unit cost.
Highleap Electronics inotsigira mapurojekiti ekare anoda zvinopfuura kutsvaga zvinhu zviri mudura. Zvichienderana nezvinodiwa, basa iri rinogona kusanganisa kuwanikwa kwezvinhu zvemagetsi , kuongororwa kwezvikamu zvakasiyana, kugadziriswa kwePCB, kugadzirwa kweprototype, kuunganidza, kuronga uye kusimbiswa kwebasa rakatsanangurwa nevatengi. Chinangwa chebhizinesi ndechekuburitsa mhinduro yakanyorwa yekugadzira chikamu chekutanga chisati chava dambudziko.
Kumbira ongororo yekudzoreredza kusashanda zvakanaka
Tumira BOM iripo, nhamba dzezvikamu zvemugadziri ane chekuita nazvo, kudiwa kwegore negore, hupenyu hwechigadzirwa chasara uye mafaira ekugadzira aripo. Highleap inogona kuparadzanisa sarudzo dzekutsvaga chete kubva kune shanduko dzinoda hunyanzvi uye kusimbiswa.
Kana Kusashanda kweComponent Kwava Nyaya Yakakosha Pakugadzira
Chiratidzo chekutanga chinoonekwa chingave chiri chekutenga chakarambwa kana nguva yakatarwa yekutengeswa inopfuura nguva yekugadzira. Kuonekwa kwechokwadi kwakakura. Chikamu chinogona kuoneka muzvinhu zviri mudura repamhepo nepo mugadziri akarega kugamuchira maodha, akatamisa mudziyo kuNRND, akachinja pasuru, akatamisa maitiro ewafer kana akapa zuva rekupedzisira rekutumira. Chiitiko chega chega chinogadzira mhinduro yakasiyana yeinjiniya neyekutengeserana.
| Trigger | Zvinoreva kugadzirwa | Sarudzo inodiwa |
|---|---|---|
| Kumiswa kwechigadzirwa kana chiziviso cheEOL | Chigadzirwa chekutanga chine zuva rekupedzisira rakatarwa | Kutenga kekupedzisira, kuchinja kwakakodzera kana kugadzira patsva |
| Mamiriro eNRND | Chikamu chacho chingangoramba chichirongeka asi chine rutsigiro rushoma mune ramangwana | Isa zuva rekutama usati waona huwandu hwehuwandu kana kudiwa kwebasa |
| Kugoverwa kana nguva refu yekutungamira | Zviripo zviripo, asi huwandu nezuva hazvigone kutsigira hurongwa hwekuvaka | Chengetedza masheya ane mvumo, bvumidza zvimwe zvigadzirwa kana kupatsanura kugadzirwa |
| Kuchinja kwepakeji kana maitiro | Basa remagetsi rinogona kuramba rakafanana kana kubatanidzwa kana kuvimbika kuchichinja | Ongorora ruzivo rwePCN, tsoka, stencil, reflow uye mhedzisiro yekuyedza |
| Kuwanikwa kwemutengesi chete | Kuwanikwa kwezvinyorwa, nhoroondo yekuchengetwa kwemabhuku uye chokwadi hazvichanyatso zivikanwa | Wedzerai zvinodiwa pakubvumidzwa kwenzvimbo uye kuongorora |
IEC 62402 inotsanangura manejimendi ekusashanda kwenguva refu senzira yehupenyu hwese inofukidza mutemo, kuronga, kuderedza, kugadzirisa uye kuvandudza mashandiro. Hurongwa ihwohwo hunobatsira nekuti kutenga kwakachipa nekukurumidza hakusi nguva dzose sarudzo yekugadzira inodhura zvishoma. Mutengi anofanira kufunga nezvezvinodiwa zvechigadzirwa, kuedza patsva, zvisungo zvekutevedzera mitemo uye mutengo wekumira kwemutsetse usina kurongwa.
Vakai Nheyo Yemashoko Ekare Akavimbika Usati Wasarudza Mhinduro
Sarudzo chaiyo inotanga nechinhu chakachena. Tsananguro dzekushambadzira, makodhi emukati memasheya uye tsananguro dzezvikamu zvakafanana hazvina kukwana. Highleap inowanzoda nhamba chaiyo yezvikamu zvemugadziri, huwandu hwese paunganidzwa, mareferensi, vagadziri vanotenderwa, pasuru, kuvimba nefirmware, kushandiswa kwegore negore, zvinhu zviripo uye zuva rekupedzisira kwekugadzirwa.
Siyanisa mamiriro ehupenyu kubva pakuwanikwa
"Kupera kwemari" hazvirevi kuti hazvichashandi, uye "kushanda" hakuvimbisi kuwanikwa kwemari. Chinhu chinogona kushanda asi chinogoverwa, chinongogumira kufekitori refu, chinowanikwa chete mupakeji isina kukodzera kana kuti chiine MOQ yakakwira. Kusiyana neizvi, zvinhu zvechokwadi zvinogona kuvapo mushure mekuzivisa kweEOL. Saka purojekiti iyi inofanira kunyora mamiriro ehupenyu hwemugadziri pamwe nekuwanikwa kwemuchina unobvumidzwa.
Ziva kuti dhizaini chaiyo inoenderana nei
Chinhu chimwe chete ichocho chinogona kuva nematambudziko akasiyana-siyana ekutsiva muzvigadzirwa zvakasiyana. Chinodzora magetsi chine headroom yakakura chinogona kugamuchira mamwe mashandisirwo akasiyana; chinodzora chimwe chete chiri muchikamu chakavharirwa nekupisa chinogona kutsamira pakudonha chaiko, muganho wemagetsi uye kuramba kupisa kwepakeji. Kune zvikamu zvinogadziriswa, rekodhi firmware vhezheni, memory map, nzira yekuronga, gadziriro yekuchengetedza uye data rekuenzanisa. Kune zvinobatanidza, sanganisira chikamu chekubatanidza, envelopu yemakanika, nzira yekuchengetedza uye interface yekuvhara.
Ruzivo rwekutanga runofanirawo kusiyanisa zvinhu zvakagadzirwa kubva kuwaranti uye zvinhu zvakagadzirwa. Kudiwa kwebasa kunowanzoenderera mberi mushure mekunge kugadzirwa kutsva kwapera uye kunogona kururamisa mhinduro yakasiyana, senge kutenga zvinhu zvekugadzirisa panguva yekupedzisira nepo zvinhu zvitsva zvichienda kuPCB yakagadzirwazve.
Tarisa Zviziviso zveHupenyu uye Gadzira Mazuva Ekusarudza Kwemukati
Kutarisira kusashanda zvakanaka kwekambani kunokundikana kana timu ikaona nguva yekupedzisira yekutenga kwemutengesi senguva yekupedzisira yeinjiniya. Mutengi angangoda kuenzanisa dzimwe nzira, kuwana sampuro, kugadzirisa hurongwa, kugadzirisa PCB, kugadzirisa firmware, kugadzira ma prototypes, kupedza bvunzo dze regression uye kuwana mvumo yemukati kana yemutemo. Kutenga kunodawo nguva yekubvumidza NCNR uye kuona kuti ndiani ane zvinhu zvakawandisa.
Purogiramu inoshanda inogadza mazuva akati wandei emukati:
- Zuva rekuongorora: simbisa mamiriro ehupenyu hwese, masheya, kudiwa kwezvinhu uye zvigadzirwa zvakakanganiswa.
- Zuva rekugadzirisa: Sarudza kutenga kekupedzisira, imwe nzira yekufananidza kana kugadzira patsva.
- Zuva rekuburitswa kweinjiniya: gadzirisa BOM yakagadziriswazve, mafaira ePCB, firmware uye zvinodiwa zvekuyedza.
- Zuva remutyairi: Vakai uye ongororai chinhu chekutanga chakarongwa musati machipedza.
- Zuva rekuchinja kwevhoriyamu: kudzivirira kusanganiswa kwezvakagadziriswa kuti zvisapinde mukugadzirwa pasina kuteverwa.
Zviziviso zvekuchinja kwechigadzirwa zvinokoshawo. PCN inogona kuchinja nzvimbo yekuunganira, kugadzirisa die, mold compound, lead finish, saizi yepakeji kana maitiro ekugadzira pasina kumisa MPN. Ongororo inofanirwa kuona kana shanduko yacho ichikanganisa kugona kwekusvira, hunyoro, maitiro ekupisa, mapurogiramu, EMC, kuvimbika kana kufanirwa kwevatengi. Rondedzero yesarudzo inodzokororwa nekuvandudzwa inodzivirira rimwe dhipatimendi kubvumidza shanduko isingagone kugadzirwa kana kuyedzwa nerimwe dhipatimendi.
Sarudza Pakati Pezvinhu Zvakatenderwa, Kutenga Kwekupedzisira, Zvimwe Zvikamu uye Kugadzira Patsva
Kune nzira ina dzinoenderana dzekugadzirisa zvinhu, uye imwe neimwe inoenderana nemamiriro ezvinhu akasiyana echigadzirwa. Kutenga zvinhu zvine mvumo kwakakodzera kana zvinhu zvechokwadi zvichigona kuvhara mukaha wenguva pfupi. Kutenga kekupedzisira kunogona kutsigira zvigadzirwa zvine kudiwa kwasara kushoma. Imwe nzira yekuzadzisa zvinodiwa inosarudzwa kana mudziyo unoenderana nawo uchigona kuchengetedza dhizaini. Kugadzira patsva kunodiwa kana basa rekare, pasuru kana tekinoroji isisina chinotsiva chinodzivirirwa.
| Nzira yekugadzirisa | Best fit | Ngozi huru | Humbowo hunodiwa |
|---|---|---|---|
| Tenga zvinhu zviri muchitoro zvine mvumo | Musiyano wenguva pfupi nedhizaini yakaburitswa | Kuchengetedzwa kwemasheya, miganhu yeroti/zuva, kupera kwekotesheni | Kuwanikwa kwezvinyorwa uye zvinyorwa zvinouya |
| Kutenga kekupedzisira | Kudiwa kwasara kunofungidzirwa uye mutengo wepamusoro wekugadzira patsva | Chikanganiso chekufanotaura, kukwegura, kuwanda kwemasheya, mutoro wekuchengetedza | Muenzaniso wezvinodiwa, hurongwa hwekuchengetera zvinhu uye mitemo yekuva muridzi |
| Chinotsiva chimiro chekushanda | Mudziyo unoenzaniswa une misiyano inogadziriswa | Misiyano yemagetsi yakavanzika, mapakeji kana firmware | Matrix yekuenzanisa, chinyorwa chekutanga uye mhedzisiro inoshanda |
| PCB kana kugadziridzwa patsva kwezvivakwa | Hapana mudziyo unogamuchirika wekuisira kana hupenyu hwechigadzirwa hwasara kwenguva refu | NRE, purogiramu, kutevedzera mitemo uye kuvandudzwa kwebvunzo | Pakeji yedhizaini yakaburitswa uye chirongwa chekufanirwa |
Hupenyu hwechigadzirwa chasara hunokosha. Kushandisa mari yakawanda kugadzira chigadzirwa chine mazana mashoma emabasa kungave kusina musoro. Kutenga zvinhu zvemakore mashanu ekare zvechigadzirwa chiri kukura kungave kwakaderera zvakaenzana. Highleap inogona kutaura nezvezvinhu zvepakutanga, kuchinjana uye kugadzirisa patsva zvakasiyana kuitira kuti mutengi agone kuenzanisa mutengo wepurogiramu pane mutengo weyuniti chete.
Verenga Huwandu Hwekutenga Kwekupedzisira uye Kuchengetedzwa Kwenguva Refu
Kutenga kekupedzisira hakusi kungodiwa kwegore negore kwakapetwa nenhamba yemakore asara. Kuverenga kunofanira kusanganisira kusava nechokwadi kwekufanotaura, goho rekugadzira, mienzaniso yeinjiniya, kudzoka kwemunda, vimbiso yewaranti, nzvimbo dzebasa uye curve inotarisirwa yekubuda. Inofanirawo kubvisa masheya anoshandiswa atove aripo nemutengi, mugadziri wechibvumirano uye nzira ine mvumo.
Mitemo yekutengeserana inofanira kutaura kuti ndiani muridzi wezvinhu zviri muchitoro, kuti zvinochengetwa kupi, kana zvichigona kushandiswa kune mamwe mapurogiramu, kuti inishuwarenzi nekubhadhara mari zvinobatwa sei, uye chii chinoitika kana kudiwa kwacho kwakaderera pane zvaitarisirwa. Mirairo yeNCNR inoda mvumo yakajeka nekuti mukana wemari unogona kuramba uripo kunyangwe kana fungidziro yechigadzirwa ikachinja.
Kuchengetedza kunochinja njodzi yehunyanzvi
Semiconductors nezvikamu zvisingashande zvinogona kuchengetwa kwenguva yakareba, asi mamiriro ekubata akakosha. Kurongedza kunonzwa hunyoro, kuoma kwepakeji, mamiriro ekubvisa hunyoro, zviratidzo zvehunyoro, oxidation yemagumo, kugona kusundidzira, mamiriro etepi uye reel uye ESD controls zvinogona kuda kuongororwa nguva nenguva. IEC 62435 inopa gwara rekuchengetedza zvikamu zvemagetsi kwenguva refu. Hurongwa hwekuchengetera hunofanira kutsanangura mitemo yekuongorora, kubheka kana kugadzirisa zvinhu zvisati zvapinda muPCB assembly.
Highleap haitore zvinhu zvekare sezvinogamuchirwa otomatiki. Kana zvinhu zvakachengetwa kwenguva refu kana kuti zvakatumirwa nevatengi zvikashandiswa, ratidziro yemutengo uye hurongwa hwemhando yepamusoro zvinofanirwa kuratidza kwazvinobva, nhoroondo yekuchengetera, mutemo wekodhi yezuva, kuongororwa kunouya uye chero humwe humbowo hwakabvumiranwa papurojekiti.
Zvimwe Zvikamu zveMainjiniya Pakadzika Kwakakodzera Kwekusimbisa
Chinotsiva chinofanira kurongwa nehukuru hwekuchinja. MPN imwecheteyo kubva kune mumwe mutengesi ane mvumo inowanzoda kuongororwa kwekutengeserana uye kuteverwa. Chinhu chakafanana chisingashande chingada kuongororwa kwehukuru, dielectric, derating uye performance. Chinhu chimwe chete chinogona kukanganisa mamiriro ekutanga, nguva, analog accuracy, protection thresholds, thermal behavior, firmware registers kana EMC performance.
| Chinja kirasi | Ongororo yeinjiniya | Kusimbiswa kwakajairika |
|---|---|---|
| MPN imwe chete, sosi yakasiyana ine mvumo | Mvumo yekubva, lot uye date code | Kuongorora kuri kuuya uye kuteverwa |
| Chinodzivirira chakaenzana, capacitor kana inductor | Kukosha, kushivirira, chiyero, tembiricha, rusaruro, ESR/ESL, kurova kwemoyo uye saizi | Nyaya yekutanga pamwe nekutarisa kwemagetsi kwakanangana nechigadzirwa |
| IC-fit-function | Maitiro ePin, miganhu, kurongeka, nguva, mhedzisiro yekupisa uye firmware | Mienzaniso yeinjiniya, mapurogiramu uye bvunzo yekudzokorora |
| Kuchinja mapakeji kana tsoka | Chimiro, marongerwo, stencil, mukana wekupinda mugungano uye kukodzera kwemuchina | Kuvaka, kuongorora, uye kusimbisa mashandiro eprototype |
| Kuchinja kwezvivakwa | Dunhu rakakwana uye interface yesoftware | Chitupa chakazara chinotsanangurwa nezvinodiwa nemutengi zvechigadzirwa |
Kuenzanisa kwedatasheet kunodiwa asi hakuna kukwana. QFN inotsiva inogona kuva nejometri yakasiyana yepad yakavhurika kana kuoneka kwepakona. Chinobatanidza chinogona kugovana pitch ne pin count uku chichichinja simba rekuisa kana hurefu hweimba. Chishandiso chekurangarira chinogona kuenzana nehuremu asi chinoda kutanga kwakasiyana kana nguva. Kana shanduko dzePCB dzichidikanwa, Highleap inogona kusanganisa PCB DFM review , prototype PCB design, assembly uye common testing in one controlled release.
Dzora BOM, Firmware, Kutevedzera Mutemo uye Magwaro Ekuyedza Pamwe Chete
Chinhu chinotsiviwa chinotenderwa hachiburitswi kusvika magwaro ese akabatwa abvumirana. BOM inofanira kuona MPN inotenderwa uye mutemo wekutsiviwa. AVL inofanira kutsanangura vagadziri vanotenderwa uye mamiriro ekubvumidzwa. Data reGerber kana ODB++, mafaira epakati, mifananidzo uye data restencil zvinofanirwa kuenderana nePCB revision yakaburitswa. Firmware, mirairo yeprogramming, mafaira ekugadzirisa uye makiyi ekuchengetedza zvinofanirwa kuona hardware revision inotsigirwa.
Tsanangudzo yebvunzo inofanira kutaura zvinofanira kusimbiswa uye miganhu yekugamuchirwa. Murayiridzo usina kujeka wakadai sekuti "bvunzo inoshanda" hauna kukwana kune MCU yakachinjwa, sensor, memory kana mudziyo wemagetsi. Tsanangura maitiro ekugadzirisa simba, kushandiswa kwazvino, kutaurirana, vhezheni yakarongwa, analog range, interface checks uye chero bvunzo dzekushushikana kana regression dzinodiwa nemuridzi wedhizaini. Highleap inogona kuita AOI, X-ray pazvinenge zvichidikanwa, kuronga uye kuyedza kushanda kana mabasa aya uye zvinodiwa zvekugamuchirwa zvabatanidzwa muchikamu chekugadzira chakabvumiranwa.
Kukanganiswa kwekutevedzera mutemo kunofanirwa kuongororwa nemuridzi wechigadzirwa. Chinhu chinotsiva chinogona kukanganisa EMC, mafaira ekuchengetedza, kuzivisa zvakatipoteredza, magwaro emotokari, zvinyorwa zvemidziyo yekurapa kana kubvumidzwa kwevatengi. Haasi ese anotsiva anoda kusimbiswazve zvizere, asi sarudzo yacho inofanira kunyorwa pane kungofungidzirwa. Mufambi wekugadzira, mushumo wenyaya yekutanga uye mvumo yekuchinja zvinofanirwa kuratidza kurongeka kubva kuchikamu chekare kusvika kune chisarudzo chakaburitswa.
Chinja Mhinduro Yekusashanda Mukugadzirwa Kwakadzokororwa
Muenzaniso unobudirira haugadziri otomatiki maitiro ehuwandu hwakagadzikana. Usati wachinja, simbisa stock yekutanga yasara, muganhu we serial kana lot unoshanda, zvinodiwa zve label, mitemo yakasanganiswa yekugadzirisa uye hurongwa hwebasa. Kana zvikamu zvepakutanga nezvinoshandiswa zvakasiyana zvingashandiswa, BOM neAVL zvinofanirwa kutaura kana zvichigona kuchinjana mukati me production lot imwe chete uye kana miganhu yekuyedza yakasiyana.
Kuvaka kwekutanga kwakadzorwa kunofanirwa kuratidza hunhu hwezvinhu, maitiro ekubatanidza, mapurogiramu, kuongorora uye mashandiro echigadzirwa. Kuongorora kwekutanga kwePCBA kunogona kubatanidza magwaro akaburitswa nekubatanidza chaiko. Kugovaniswa, kugadziriswazve uye data rekuyedza zvinofanirwa kuongororwa usati waburitsa vhoriyamu, kunyanya kana paine shanduko mupakeji, thermal mass kana firmware.
Kudzokorora maodha kunoda kuongororwa kwehupenyu hwese. Imwe nzira yakasarudzwa nhasi inogona kuva NRND. Highleap inogona kuratidza kuwanikwa kwakataurwa uye shanduko dzinokurudzirwa kubva pakutsvaga panguva yekudzokororwa kwemutengo, asi mutengi anofanira kuramba ari muridzi wehurongwa hwekugadzira hwakagamuchirwa uye hupenyu hwechigadzirwa. Mhedzisiro yakasimba inowanzo kuve AVL inodzorwa ine sarudzo dzinopfuura imwe dzakabvumidzwa nehunyanzvi dzemitsetse isingakosheswi uye mitemo yakajeka isingatsivi zvikamu zvakakosha zvekugadzira.
Zvinoitwa neHighleap paPurojekiti yePCB Assembly Yakareruka
Basa reHighleap nderekubatanidza sarudzo yekutsvaga chigadzirwa nepakeji yekugadzira inogadzirwa uye inogona kuyedzwa. Zvinhu chaizvo zvinounzwa zvinoenderana neruzivo rwuripo uye maitiro ekubvumidzwa nemutengi, asi chirongwa chinogona kusanganisira:
- BOM normalization uye kunyatsoongorora MPN;
- mamiriro ezvinhu ane mvumo, anotumirwa nevatengi uye asara emasheya;
- matafura ekuenzanisa akasiyana ane misiyano yehunyanzvi yakaonekwa;
- Ongororo yePCB nekubatanidzwa kwemigumisiro;
- muenzaniso wakagadziridzwa uye kuvakwa kwechinyorwa chekutanga kana zvichidikanwa;
- kuronga, kuongorora uye kuyedzwa kwakatsanangurwa nevatengi;
- BOM, AVL, mafaira ekugadzira uye zvinyorwa zvekubvumidza;
- mutengo wakasiyana wekutsvaga chete, nzira dzekusimbisa dzimwe nzira uye nzira dzekugadzira patsva.
Kuti muwane ongororo inoshanda, tumirai mafaira eBOM, Gerbers kana ODB++ aripo, mifananidzo yekuunganidza, firmware reference, MPN dzakakanganiswa, kudiwa kwegore negore, nzvimbo yezvinhu zviripo, hupenyu hwechigadzirwa chasara, zvirambidzo zvekutevedzera mitemo uye functional-test specification iripo. Mapakeji asina kukwana anogona kuongororwa pakutanga, asi kuburitswa kweinjiniya kunoda data rekugadzira rakadzorwa.
Chirevo ichi chinofanira kuratidza fungidziro, kusimbiswa kusina kusimbiswa, kukosha kwemutengo, kuva muridzi wezvinhu uye magedhi ekubvumidza. Izvi zvinodzivirira kutenga zvinhu panguva yekukurumidzira kuti zvisaonekwe semhinduro yekare zvachose.
Kutama kubva pakuzivisa kweEOL kuenda kuburitswa kwekugadzirwa kwakadzorwa
Highleap inogona kuongorora nzira yeBOM yakakanganiswa, sarudzo dzekutsvaga, PCB impact uye scope yekusimbisa, yobva yataura nzira inoshanda kwazvo yekudzoreredza hupenyu hwechigadzirwa chako chasara.
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Nzira yekuwana sei quote yePCBs
Ngatiite ongororo yeDFM/DFA kwauri tobva tadzoka kwauri nemushumo. Unogona kurodha mafaira ako zvakachengeteka kuburikidza newebhusaiti yedu. Tinoda ruzivo runotevera kuti tikupe mutengo:
-
- Gerber, ODB++, kana .pcb, spec.
- BOM rondedzero kana iwe uchida kusangana
- uwandu
- Kuchinja nguva
Kune masevhisi ePCBA, ndapota ipa BOM yako (Bhiri reZvinhu) uye chero mirairo yegungano. Isu tinopawo DFM/DFA ongororo yekukwidziridza zvigadziriso zvako zvekugadzira uye kusangana, kuve nechokwadi chekuita kwakatsetseka kwekugadzira.