Ukuze ukhethe i-chip yokunikezwa kwamandla efanele, udinga ukwazi ukuthi yini edingwa yiphrojekthi yakho. Kufanele futhi uqonde ukuthi umklamo wakho ungabhekana nani. Abanye abantu bakhetha ukunikezwa kwamandla ngaphandle kokucabangela izilinganiso ze-voltage noma zamanje, okungaholela ezinkingeni noma kubangele ukuthi idivayisi yakho iyeke ukusebenza. Ukukhetha ukunikezwa kwamandla okufanele kusiza idivayisi yakho ukuthi isebenze kangcono futhi ihlale isikhathi eside. Ucwaningo lubonisa ukuthi ukuhlola ama-chip nokufunda ngemiphumela yokushisa kungasiza ukunikezwa kwamandla akho ukuthi kusebenze kahle ngokuhamba kwesikhathi. Uma ukhetha ukunikezwa kwamandla okufanele, iphrojekthi yakho izosebenza kahle.
Icebiso: Hlola njalo ukuthi yini oyidingayo ngaphambi kokuthenga ugesi.
Izitoreji Eziyinhloko
Bhala phansi ukuthi ingxenye ngayinye idinga i-voltage kanye nogesi ongakanani.
Khetha i-chip yokunikezwa kwamandla efanele yephrojekthi yakho. Ama-LDO amahle uma udinga umsindo ophansi. Ukushintsha izilawuli kusiza ukonga amandla. Amaphampu okushaja asebenza kahle kumadizayini amancane.
Bheka njalo isilinganiso sokusebenza kahle kwe-chip. Lokhu kusiza ukonga amandla futhi kugcine idivayisi yakho ipholile.
Hlola izici zokuvikela ezifana nokushisa ngokweqile kanye nokuvala kokushisa. Lezi zici zisiza ekuvikeleni idivayisi yakho ekulimaleni.
Funda ishidi ledatha ngokucophelela. Qiniseka ukuthi imininingwane ye-chip ifanelana nalokho okudingwa yiphrojekthi yakho.
Chaza Izidingo Zamandla
Ngaphambi kokukhetha ugesi, qoqa zonke izidingo zikagesi zephrojekthi yakho. Lokhu kukusiza ugweme amaphutha futhi kuqinisekise ukuthi idivayisi yakho isebenza kahle. Okokuqala, bhala phansi i-voltage kanye nogesi odingekayo engxenyeni ngayinye yesekethe yakho.
Okokufaka kanye ne-Output Voltage
Udinga ukwazi ububanzi bamandla okufaka we-converter yakho ye-dc/dc. Lokhu kukutshela ukuthi hlobo luni lokunikezwa kwamandla e-dc okufanele ulusebenzise. Amandla okukhipha nawo abalulekile. Asunduza amandla kagesi ngesekethe yakho. Uma amandla okukhipha ephansi kakhulu, idivayisi yakho ingase ingavuli. Uma ephezulu kakhulu, izingxenye zakho zingase zonakale. Hlola njalo ama-voltage rails kuzo zonke izingxenye zomklamo wakho. Sebenzisa i-multimeter noma i-variable power supply ukukala amandla ombane kanye namandla kagesi kwisekethe yakho yokusebenza. Lokhu kukusiza ukuthi uqinisekise ukuthi amandla akho ombane ahambisana nalokho okudingayo ngempela.
I-voltage isunduza ugesi ngesekethe yakho.
Ugesi unikeza amandla izingxenye zakho.
Ukulinganisa i-voltage kanye nogesi kukusiza ukuthi ugweme ukunikeza amandla amancane kakhulu noma amaningi kakhulu.
Isilinganiso Samanje Nesokukhishwa
Qondanisa isilinganiso sokukhishwa kwe-chip yakho ye-dc/dc nezidingo zakho zamanje. Ama-motor nama-LED avame ukusebenzisa amandla kagesi amaningi kunama-microcontroller. Uma ugesi wakho ungakwazi ukunikeza amandla kagesi anele, idivayisi yakho ingase ivale noma yenze ngendlela exakile. Hlola njalo amandla kagesi amaningi kakhulu azosetshenziswa yisekethe yakho. Lokhu kuqinisekisa ukuthi i-chip yakho yogesi ingakwazi ukusingatha umsebenzi.
Imibandela Yokulayisha
Izimo zokulayisha zingashintsha ngenkathi idivayisi yakho isebenza. Uhlelo lwakho lungasebenzisa amandla amanje amaningi lapho luqala noma lwenza umsebenzi onzima. Cabanga ngalezi zimo zokulayisha ezivamile:
Izinguquko zokulayisha: Idivayisi yakho ingadinga ugesi ongaphezulu noma ongaphansi ngezikhathi ezahlukene.
Ukusetshenziswa kwamanje: Linganisa noma qagela ukuthi uhlelo lwakho lusebenzisa amandla angakanani kumodi ngayinye.
Impendulo yesikhashana: Bona ukuthi isiguquli sakho se-dc/dc sisingatha kanjani izinguquko ezisheshayo kumanje.
Qaphela: Ama-elekthronikhi abathengi kanye nokwenza izinto ngokuzenzakalela kwezimboni kudinga izinsiza zikagesi ezahlukene. Amadivayisi abathengi akuvumela ukuthi ukhethe ezingxenyeni eziningi, kodwa izinhlelo zezimboni zisebenzisa ama-semiconductor amadala futhi kunzima ukuzishintsha. Ithebula elingezansi libonisa umehluko omkhulu:
aspect | Consumer Electronics | Ukuzenzekela kweZimabhizinisi |
|---|---|---|
Ukutholakala kwe-semiconductor | Kulula ukuthola izingxenye | Isebenzisa ama-semiconductor amadala |
Ukugxila Kwezimali | Ama-chip amasha athola ukunakwa okwengeziwe | Ama-chips amadala athola imali encane |
Ukuguquguquka Kwedizayini | Kulula ukushintsha izingxenye | Kunzima ukushintsha noma ukuklama kabusha ngezinga elikhulu |
Uma wazi izidingo zakho ze-voltage nezamanje, ububanzi be-voltage yokufaka, i-voltage yokuphuma, kanye nezimo zomthwalo, kulula ukukhetha ugesi omuhle. Lokhu kukusiza ugweme amaphutha futhi kuqinisekisa ukuthi ugesi wakho we-dc/dc ufanelana nephrojekthi yakho.
Khetha Uhlobo Olufanele Lwe-Chip Yokunikezwa Kwamandla
Uma ukhetha i-chip yokunikezela ngogesi, kufanele wazi izinhlobo. Uhlobo ngalunye lokunikezela ngogesi lunamaphuzu amahle namabi. Udinga ukukhetha i-chip efanela iphrojekthi yakho. Ithebula elingezansi libonisa izinhlobo eziyinhloko ozozibona:
Isigaba | Incazelo |
|---|---|
Amandla ICs | Inezilawuli zama-voltage ezifana nezilawuli eziqondile, ama-LDO, kanye nezilawuli zokushintsha. |
Uzothola izinhlobo ezintathu eziyinhloko uma ufuna i-ic yokunikezwa kwamandla. Lezi yizilawuli eziqondile (i-LDO), izilawuli zokushintsha, kanye namaphampu okushaja. Uhlobo ngalunye lusebenza kahle ezimweni ezahlukene. Cabanga nge-voltage yokuphuma, ukusebenza kahle, kanye nomsindo ngaphambi kokuthi ukhethe.
I-Linear Regulators (LDO)
Ama-linear regulators, noma ama-LDO, ayizindlela ezilula zokulawula i-voltage. Uwasebenzisa uma ufuna umsindo ophansi namandla azinzile. Ama-LDO asebenza kahle kakhulu uma i-input voltage iseduze ne-output voltage. Awachithi amandla amaningi kulokhu. Ama-LDO asetshenziswa kuma-electronics amaningi, kumadivayisi ezokwelapha nasezimotweni.
Icebiso: Khetha ama-LDO ukuze uthole ukwehla kwamandla kagesi amancane kanye namasekethe athule.
Nazi ezinye izindlela abantu abasebenzisa ngazo ama-LDO:
Ama-LDO asiza ama-smartphone, amaphilisi, kanye nezinto ezigqokwayo ukuthi zisebenze kahle.
Bagcina izinhlelo zezimoto ziphephile futhi zisebenza kahle.
Ama-LDO anikeza amadivayisi ezokwelapha amandla afanele.
Izinzwa zasefektri kanye nabalawuli basebenzisa ama-LDO ukuze basebenze kahle.
Ama-LDO asiza amadivayisi e-IoT anamabhethri ukuthi ahlale isikhathi eside.
Khetha i-LDO uma ufuna amandla athule futhi ungadingi ukushintsha i-voltage kakhulu. Ama-LDO alula ukuwasebenzisa futhi awabangi umsindo omkhulu. Uma i-voltage yokufaka neyokukhipha iseduze, ama-LDO ayisinqumo esihlakaniphile.
Ishintsha abalawuli
Ukushintsha izilawuli kukusiza ukuthi uthole ukusebenza kahle okuphezulu. Zinhle uma udinga ukushintsha i-voltage kakhulu. Lawa ma-chip asebenzisa ama-transistor nama-diode ukuhambisa ugesi. Agcina amandla futhi awathumele nge-voltage entsha. Uzobona izilawuli ezishintshayo kumadivayisi ebhethri, ama-solar inverters, kanye nama-car converters.
Ukushintsha abalawuli kungaba ngcono ngo-80-90%.
Zisiza ama-smartphone nama-smartwatch ukuthi onge ibhethri.
Uzithola ezinhlelweni zamabhethri kanye nama-solar inverters.
Izilawuli zokushintsha zigcina ama-voltage emoto eqinile.
Izilawuli zokushintsha zilungele izinguquko ezinkulu ze-voltage. Zikusiza ukuthi wonge amandla. Kodwa zingangeza umsindo ngoba zishintsha ngokushesha. Zisebenzise lapho ukonga amandla kubaluleke kakhulu kunomsindo ophansi.
Qaphela: Izilawuli zokushintsha zingcono kakhulu uma kwehla amandla amakhulu futhi konga amandla.
Amaphampu Okushaja
Amaphampu okushaja angolunye uhlobo lwe-chip yokunikezela ugesi. Asebenzisele imiklamo emincane kanye nokushintsha i-voltage okulula. Amaphampu okushaja alungele ukwenza ama-voltage aphakathi nendawo kanye nokugcina i-voltage izinzile. Mancane kunezinye ama-chip futhi awadingi izingxenye ezinkulu.
Amaphampu okushaja alungele amasekethe alula angadingi ukulawulwa okuqinile. Uwabona kumadivayisi amancane anesikhala esincane. Awalungile njenge-switching regulators yezinguquko ezinkulu ze-voltage. Kodwa asebenza kahle ezinguqukweni ezincane.
Icebiso: Khetha amaphampu okushaja ezindaweni ezincane kanye nokushintsha kwamandla kagesi okulula.
Indlela Ukwehla Kwe-Voltage, Umsindo, Nokusebenza Kahle Okuthinta Ngayo Ukukhetha Kwakho
Cabanga ngokwehla kwamandla kagesi, umsindo, kanye nokusebenza kahle uma ukhetha i-chip. Ama-LDO alungele ukwehla kwamandla kagesi amancane nomsindo ophansi. Agcina isekethe yakho ithule futhi izinzile. Uma udinga ushintsho olukhulu lwe-voltage, izilawuli zokushintsha zingcono. Zonga amandla kodwa zingenza umsindo. Amaphampu okushaja angcono kakhulu kumasekethe amancane, alula lapho isikhala sibalulekile khona.
Ama-LDO angcono kakhulu uma kwehla ama-voltage amancane nomsindo ophansi.
Izilawuli zokushintsha zilungele ukwehla okukhulu kwamandla kagesi kanye nokusebenza kahle okuphezulu.
Ama-LDO asebenza kahle uma i-voltage yokufaka neyokukhipha iseduze.
Ukushintsha abalawuli kukusiza ukuthi wonge amandla ngokushintsha okukhulu kwamandla kagesi.
Uma ukhetha i-chip yokunikezwa kwamandla, hlola izidingo zakho ze-voltage, imikhawulo yomsindo, kanye nemigomo yokusebenza kahle. Uhlobo ngalunye lufanelana namaphrojekthi ahlukene. Khetha i-chip efanelana nomklamo wakho ukuze uthole imiphumela emihle kakhulu.
Izici Eziyinhloko Zokukhetha Ama-Chip Okuphathwa Kwamandla
Uma ukhetha ugesi, bheka okungaphezu kwamandla kagesi kanye nogesi. Kufanele futhi ucabange ngokusebenza kahle, usayizi, ukuvikelwa, kanye nomsindo. Lezi zinto zisiza idivayisi yakho ukuthi isebenze kangcono futhi ihlale isikhathi eside. Ungahlola futhi intengo, ukuguquguquka, kanye nemibhalo ngaphambi kokuthi unqume.
Ukusebenza kahle kanye Nokulahlekelwa Amandla
Ukusebenza kahle kubonisa ukuthi i-chip yakho igcina amandla angakanani. Ukusebenza kahle kakhulu kusho ukushisa okuncane nokuphila isikhathi eside kwebhethri. Uma ugesi wakho uchitha amandla, idivayisi yakho iyashisa futhi ingase ingasebenzi kahle. Amadivayisi asebenzisa ibhethri, izinhlelo zelanga, kanye nezimoto zidinga ukusebenza kahle kakhulu. Onjiniyela bakhetha ama-chip asebenza kahle kakhulu ukuze bagcine amadivayisi epholile. Kufanele uhlole ishidi ledatha ukuze uthole ukusebenza kahle kanye nokunemba kwe-voltage yokukhipha. Lokhu kukusiza wazi ukuthi ugesi wakho uzokusebenzela yini.
Icebiso: Ukusebenza kahle kakhulu kukusiza ukuthi wonge amandla futhi ugcine idivayisi yakho ipholile.
Ubukhulu nokuhlanganisa
Usayizi ubalulekile kumadivayisi amancane. Ugesi omncane ungena kangcono ezintweni ezigqokwayo, amafoni, kanye nezinzwa. Imiklamo ye-Chiplet hlukanisa ama-big chips abe izingxenye ezincane. Lokhu kukuvumela ukuthi wakhe amadivayisi amancane anezici eziningi. Ukukala kwezinga le-Angstrom kubeka ama-transistors amaningi ku-chip. Lokhu kuthuthukisa ukusebenza kahle nokusebenza. Ithebula elingezansi libonisa izinzuzo:
Ubuchwepheshe | Umthelela Kumklamo | Izinzuzo |
|---|---|---|
Ukukala kwezinga le-Angstrom | Ikuvumela ukuthi ufake ama-transistors engeziwe ku-chip, okwenza isebenze kangcono futhi isheshe | Ama-transistors amaningi endaweni encane |
Ukwakhiwa kwe-Chiplet | Ihlukanisa ama-chip ayinkimbinkimbi abe amayunithi amancane ukuze asetshenziswe ngokukhethekile | Izindleko eziphansi kanye nokuthuthukiswa okulula |
Uma ufuna idivayisi encane, khetha i-chip enokuhlanganiswa okuphezulu. Lokhu konga isikhala futhi kwenezela imisebenzi eminingi.
Ukuvikelwa kanye nomsindo
Ukuvikela kugcina idivayisi yakho iphephile ekulimaleni. Bheka ama-chip anomsinga odlulayo, i-overvoltage, kanye nokuvala ukushisa. Lezi zici zivikela idivayisi yakho ezingozini. Umsindo ungabangela izinkinga kumasekethe azwelayo. Umsindo ophansi ubalulekile kumaphrojekthi omsindo, ezokwelapha, kanye ne-sensor. Ufuna ugesi onomsindo ophansi ukugcina amasignali ehlanzekile. Amanye ama-chip anezivikelo ezengeziwe zokunciphisa umsindo nokuthuthukisa ukunemba.
Qaphela: Umsindo ophansi kanye nokuvikelwa okunamandla kusiza idivayisi yakho ukuthi isebenze kahle ezindaweni ezinzima.
Kufanele futhi ucabange ngentengo, ukuguquguquka, kanye namadokhumenti. Intengo ithinta isabelomali sakho. Ukuguquguquka kukuvumela ukuthi ushintshe noma uthuthukise izingxenye kalula. Amadokhumenti amahle akusiza ukuthi usebenzise i-chip kahle futhi ulungise izinkinga ngokushesha.
Intengo: Khetha i-chip efanela isabelomali sakho futhi esebenza kahle.
Ukuguquguquka: Khetha ugesi okuvumela ukuthi ushintshe noma uthuthukise izingxenye.
Imibhalo: Sebenzisa ama-chip anama-datasheet acacile kanye nokusekelwa.
Uma ubheka ukusebenza kahle, usayizi, isivikelo, kanye nomsindo, ungakhetha ugesi ongcono kakhulu wephrojekthi yakho. Uzothola ukusebenza kahle okuphezulu, umsindo ophansi, kanye nesivikelo esinamandla. Lokhu kusiza idivayisi yakho ukuthi isebenze kahle futhi ihlale isikhathi eside.
Qondanisa Ukunikezwa Kwamandla Nesicelo
Izimo zesicelo
Udinga ukukhetha ugesi ofanelana nephrojekthi yakho. Iphrojekthi ngayinye inezidingo ezahlukene. Isibonelo, idivayisi egqokekayo idinga i-chip encane futhi esindisa amandla. Isilawuli sezimboni sidinga ukuvikelwa okuqinile kanye ne-voltage eqinile. Imiklamo yokubhekisela ingakusiza wenze ukukhetha okuhle. Le miklamo ikhombisa ukuthi i-topology ehlukene isebenza kanjani empilweni yangempela. Ithebula elingezansi libala ezinye ze-topology ezivamile, amaphuzu azo amahle, kanye nobubi bazo:
Uhlobo lwe-Topology | Izinzuzo | Ukuhwebelana |
|---|---|---|
I-PSR Flyback | Isebenza kahle ngamandla aphansi | Amandla okukhipha alinganiselwe |
Phusha-Pusha | Kuhle kakhulu kumandla aphakathi | Idizayini eyinkimbinkimbi ngokwengeziwe |
I-LLC Resonant | ukuqeqesheka High | Idinga ukulawula okunembayo |
Imojuli ye-DCDC Ehlukanisiwe | Umkhiqizo oguquguqukayo nohlukanisiwe | Izindleko ezingaba ziphakeme |
Ungasebenzisa lezi zibonelo ukukusiza ukhethe ugesi ofanele wephrojekthi yakho.
Ukubuyekezwa Kweshidi Ledatha
Kufanele uhlale ufunda ishidi ledatha ngaphambi kokukhetha i-chip yokunikezwa kwamandla. Ishidi ledatha likunikeza amaqiniso abalulekile mayelana ne-chip. La maqiniso akusiza ukuthi ubone ukuthi i-chip izokusebenzela yini. Bheka ithebula elingezansi ukuze ufunde ukuthi iqiniso ngalinye lisho ukuthini:
Ipharamitha engukhiye | Incazelo |
|---|---|
I-Supply Voltage (VCC) | Ibonisa ububanzi be-voltage ephephile ye-chip. |
Ukusetshenziswa Kwamanje (IDD) | Ikutshela ukuthi i-chip isebenzisa amandla angakanani ngezikhathi ezivamile nezimatasa. |
Imvamisa yokusebenza ephezulu | Isetha umkhawulo wejubane le-chip. |
Amazinga Okufaka/Okukhipha Amandla Ogesi | Iqinisekisa ukuthi i-chip ingaxhumana nezinye izingxenye kusekethe yakho. |
Kufanele uhlole lezi zinombolo bese ubona ukuthi ziyahambisana yini nephrojekthi yakho. Lokhu kukusiza ukuthi ugweme izinkinga kamuva.
Ukugwema Amaphutha Avamile
Abantu abaningi bayakhohlwa ukuhlola ukuthi i-chip yokunikezela ugesi kulula ukuyithenga noma ukuthi inokusekelwa yini. Ungasebenzisa amathuluzi aku-inthanethi ukukusiza. Nazi ezinye izixhumanisi eziwusizo:
Ubuqotho Bokunikezwa Kwamandla
Izinsiza Zokwakha
Isikhungo Sokusekela se-Quartus
Isiqondiso Sokuthuthukiswa Kwesinyathelo Ngesinyathelo
Imiklamo Yezibonelo
Amadokhumenti Nezinsizakusebenza Ngomndeni
Izinsiza ze-PCB
Imidwebo Yephakheji
Ama-pinouts
Ikhwalithi Nokwethenjelwa
Thola Amabhodi / Amakhithi Okuthuthukisa
Thola i-IP
Thola Ozakwethu
Thola Izihloko Zolwazi
Icebiso: Hlola njalo ukuthi ungayithenga yini i-chip bese uthola usizo uma uyidinga.
Uma usebenzisa amashidi edatha, imiklamo yezinkomba, namathuluzi okusekela, ungakhetha ugesi ongcono kakhulu wephrojekthi yakho.
Ungakhetha i-chip yokunikezwa kwamandla engcono kakhulu ngokulandela izinyathelo ezilula. Okokuqala, bheka leli thebula ukuze uqhathanise izinketho zakho:
Ukucabangela | Umlawuli we-LDO | I-DC-DC Converter |
|---|---|---|
Ukuphumelela | Isikhala esiphezulu (esincane samandla kagesi) | Igebe elikhulu (lamandla kagesi) |
Noise | ongaphakeme | Phezulu |
Usayizi | Small | Okukhulu |
Ukuphatha Kwamanje | Kufika ku-3A | Imiphumela ephezulu |
Cost | Okuphansi | Phezulu |
Ukufaneleka | Ama-PCB amancane, ukwehla okuphansi kokuphuma | Isinyathelo-phezulu/phansi/esiphendukayo |
Qiniseka ukuthi uhlola ukuthi iphrojekthi yakho idingani ngaphambi kokuthi uqede:
Thola amathuluzi akho bese ubheka ingxenye ngayinye.
Hlola ukumelana ezindaweni ezibalulekile.
Hlola ama-voltage bese ubona ama-waveform.
Qaphela izinkinga ezenzeka kaningi.
Qiniseka ukuthi umthwalo kanye nezinga lokushisa kulungile.
Icebiso: Sebenzisa uhlu lokuhlola bese ufunda amashidi edatha ukuze akusize. Uma unemibono noma imibuzo, yibhale kumazwana!
Imibuzo Evame Ukubuzwa
Yini ebaluleke kakhulu lapho ukhetha i-chip yokunikezwa kwamandla?
Kufanele uhlole njalo izidingo ze-voltage kanye nezamanje zedivayisi yakho. Lezi zinombolo zikusiza ukuthi ukhethe i-chip esebenza kahle futhi igcine idivayisi yakho iphephile.
Ngingasebenzisa noma iyiphi i-chip yokunikezwa kwamandla kuphrojekthi yami?
Cha, udinga ukufanisa i-chip nezidingo ze-voltage, i-current, kanye nosayizi wephrojekthi yakho. Ukusebenzisa i-chip engalungile kungabangela ukuthi idivayisi yakho yehluleke noma ishise ngokweqile.
Ngingazi kanjani ukuthi i-chip isebenza kahle ngokwanele?
Bheka isilinganiso sokusebenza kahle kudathashethi. Ukusebenza kahle kakhulu kusho ukushisa okuncane kanye nokuphila isikhathi eside kwebhethri. Ufuna i-chip eyonga amandla edivayisi yakho.
Yiziphi izici zokuvikela okufanele ngizibheke?
Kufanele ubheke izici zokuvala ugesi ngokweqile, ugesi ngokweqile, kanye nokushisa. Lokhu kugcina idivayisi yakho iphephile ekulimaleni futhi kuyenze ihlale isikhathi eside.
Ngingalutholaphi usizo noma ukwesekwa kwama-chip kagesi?
Hlola iwebhusayithi yomenzi wama-chip.
Sebenzisa izinkundla zokusekela eziku-inthanethi kanye nezikhungo zokusekela.
Funda amashidi edatha kanye nemiklamo yezinkomba ukuze uthole usizo olwengeziwe.
