Haɗin gwiwar Circuit IC Kayan Kayan Lantarki Mai Bayar da Sabo & Na asali A Sabis ɗin Bom mai Kyau mai Kyau
Halayen Samfur
| TYPE | BAYANI |
| Kashi | Haɗin kai (ICs) PMIC - Masu Gudanar da Wutar Lantarki - Masu Gudanar da Canjawar DC DC |
| Mfr | Texas Instruments |
| Jerin | SAUKI SWITCHER® |
| Kunshin | Tape & Reel (TR) Yanke Tape (CT) Digi-Reel® |
| SPQ | 75Tube |
| Matsayin samfur | Mai aiki |
| Aiki | Mataki-Ƙasa |
| Kanfigareshan fitarwa | M |
| Topology | Baka |
| Nau'in fitarwa | daidaitacce |
| Adadin abubuwan da aka fitar | 1 |
| Wutar lantarki - Input (min) | 4.3V |
| Wutar lantarki - Input (Max) | 60V |
| Voltage - Fitarwa (min / Kafaffen) | 0.8V |
| Wutar lantarki - Fitarwa (Max) | 50V |
| Yanzu - Fitowa | 2A |
| Mitar - Canjawa | 200kHz ~ 2.5MHz |
| Mai gyara aiki tare | No |
| Yanayin Aiki | -40°C ~ 125°C (TJ) |
| Nau'in hawa | Dutsen Surface |
| Kunshin / Case | 8-PowerSOIC (0.154", Nisa 3.90mm) |
| Kunshin Na'urar Mai bayarwa | 8-SO PowerPad |
| Lambar Samfurin Tushen | Saukewa: LMR16020 |
Wadanne yankuna?
Waɗanne yankuna ne ke canza kayan wuta da kuma samar da wutar lantarki masu dacewa da su
Canja wutar lantarki baya buƙatar na'ura mai canzawa don canza wutar layin AC kai tsaye zuwa wutar lantarki ta DC, sannan a canza waccan danyen wutar lantarkin zuwa siginar AC mai girma wanda za'a yi amfani da shi a cikin da'ira don samar da wutar lantarki da ake buƙata da kuma halin yanzu.
Tsarin samar da wutar lantarki na linzamin kwamfuta yana amfani da wutar lantarki ta layin AC zuwa wutar lantarki don ɗagawa ko rage ƙarfin wutar lantarki kafin a yi amfani da shi zuwa da'ira mai sarrafawa.Kamar yadda girman na'urar ta canza launin ya yi daidai da mitar aiki a kaikaice, hakan na iya haifar da babbar wutar lantarki da nauyi.
Kowane nau'in aikin samar da wutar lantarki yana da fa'ida da rashin amfani.Wutar wutar lantarki mai sauyawa tana da kashi 80 cikin 100 karami kuma ta fi sauƙi fiye da madaidaicin wutar lantarki, amma yana haifar da ƙara mai girma wanda zai iya tsoma baki tare da kayan lantarki.Ba kamar samar da wutar lantarki na layi ba, sauya kayan wuta na iya jure asarar AC a cikin kewayon 10-20 ms ba tare da tasiri ga fitarwa ba.
Kayayyakin wutar lantarki na layi suna buƙatar manyan na'urorin semiconductor don daidaita ƙarfin fitarwa don haka yana haifar da ƙarin zafi, wanda ke rage ƙarfin kuzari.Don fitarwar 24V, samar da wutar lantarki kusan kusan kashi 60 cikin 100 masu inganci ne, idan aka kwatanta da kashi 80 ko sama da haka don samar da wutar lantarki ta yanayin canji.Kayayyakin wutar lantarki na layi suna da saurin amsawa na wucin gadi fiye da takwarorinsu na yanayin sauyawa, wanda ke da mahimmanci a wasu takamaiman wurare.Yawanci, kayan wutan lantarki na yanayin sauyawa suna da nauyi da ƙanƙanta, yana sa su dace da na'urori masu ɗaukuwa.Kayayyakin wutar lantarki na layi sun dace don kunna da'irar analog saboda ƙarancin ƙarar wutar lantarki da sauƙin sarrafawa.
Laifi gama gari
Laifi gama gari wajen sauya kayan wuta.
Wanne laifi ne gama gari wajen sauya kayan wuta?Laifi gama gari wajen sauya kayan wuta shine transistor mai sauyawa da kanta.Shorted transistor yana haifar da babban adadin halin yanzu yana gudana ta cikin na'ura kuma ya busa fiusi.
Yawancin gazawar transistor ana samun su ta hanyar munanan capacitors.Nemo capacitor mai kumbura ko yoyon fitarwa sannan a maye gurbin kowane capacitors da yayi kama da mara kyau.Don dakatar da wannan gazawar gama gari daga sake faruwa, yakamata a maye gurbin capacitor mai fitarwa da capacitor.Yawancin masana'antun samar da wutar lantarki ba sa shigar da ƙananan capacitors na ESR azaman kayan aiki na asali saboda sun ɗan fi tsada fiye da na yau da kullun.Koyaya, yana da kyau a yi amfani da su azaman abubuwan maye gurbinsu saboda za su inganta rayuwar wutar lantarki sosai.
Rashin gazawar diode wata matsala ce ta gama gari.Akwai diodes da yawa a cikin wutar lantarki mai sauyawa kuma gazawar diode guda ɗaya na iya haifar da wutar lantarki ta busa fis ko rufewa.Rashin lalacewar diode gama gari shine ɗan gajeren da'ira a cikin +12 volt ko -5 volt mai gyara fitarwa.Wasu daga cikin waɗannan gazawar na iya haifar da su ta hanyar amfani da abubuwan fitarwa na +12 ko -5 volt.Hakanan za'a iya gajarta babban ƙarfin shigar da diode.
Game da Samfur
LMR16020 shine 60 V, 2 A SIMPLE SWITCHER® mai daidaita saukowa tare da MOSFET babban gefe.Tare da kewayon shigarwa mai faɗi daga 4.3 V zuwa 60 V, ya dace da aikace-aikace daban-daban daga masana'antu zuwa na kera motoci don kwandishan wutar lantarki daga tushen da ba a kayyade ba.Matsakaicin halin yanzu na mai sarrafa shine 40 µA a cikin yanayin Barci, wanda ya dace da tsarin wutar lantarki.Matsakaicin ƙarancin 1 µA a yanayin kashewa na iya ƙara tsawaita rayuwar baturi.Madaidaicin kewayon mitar sauyawa mai daidaitawa yana ba da damar ko dai inganci ko girman bangaren waje don inganta shi.Madaidaicin madauki na ciki yana nufin cewa mai amfani yana da 'yanci daga aiki mai wahala na ƙirar madauki.Wannan kuma yana rage girman abubuwan waje na na'urar.Madaidaicin shigar da shigarwa yana ba da damar sauƙaƙe sarrafa mai sarrafawa da jerin ikon tsarin.Har ila yau, na'urar tana da fasalulluka na kariya kamar ƙayyadaddun kewaya-bi-sake-sake, da yanayin zafi da kuma rufewa saboda wuce gona da iri da kariyar wutar lantarki.
Ana samun LMR16020 a cikin fakitin HSOIC mai 8-pin tare da fallen kushin don ƙarancin juriya na thermal.
