Ho fihlela litlhoko tsa mocheso oa kopo, baqapi ba hloka ho bapisa litšobotsi tsa mocheso tsa mefuta e fapaneng ea liphutheloana tsa semiconductor.Sehloohong sena, Nexperia e bua ka litsela tsa mocheso tsa liphutheloana tsa eona tsa terata le liphutheloana tsa chip bond e le hore baqapi ba ka khetha sephutheloana se loketseng haholoanyane.
Mokhoa oa ho tsamaisa Thermal o Finyelletsoang ho Lisebelisoa tse Kentsoeng ka Wire
Mocheso o ka sehloohong oa mocheso ka mochine o kopantsoeng oa terata o tloha sebakeng sa litšupiso tsa matekoane ho ea ho li-solder boto ea potoloho e hatisitsoeng (PCB), joalokaha ho bontšitsoe setšoantšong sa 1. Ho latela algorithm e bonolo ea tekanyo ea taelo ea pele, phello ea matla a bobeli. mocha o sebelisoang (o bontšitsoeng setšoantšong) ha o na thuso ka palo ea ho hanyetsa mocheso.
Likanale tse futhumatsang ka har'a lisebelisoa tse tlanngoeng ka terata
Likanale tse peli tse tsamaisang mocheso ka har'a sesebelisoa sa SMD
Phapang pakeng tsa sephutheloana sa SMD le sephutheloana se tlamiloeng ka terata mabapi le ho felloa ke mocheso ke hore mocheso o tsoang mateanong a sesebelisoa o ka qhaloa hammoho le likanale tse peli tse fapaneng, ke hore, ka leadframe (joalo ka tabeng ea liphutheloana tse tlatsitsoeng ka terata) le ka foreime ya sekotwana.
Ho fetisoa ha mocheso ka har'a sephutheloana se kopantsoeng le chip
Tlhaloso ea ho hanyetsa mocheso oa mateano ho ea ho solder joint Rth (j-sp) e ntse e rarahane ka ho eketsehileng ke ho ba teng ha lihlopha tse peli tsa lisebelisoa tsa solder.Lintlha tsena tsa litšupiso li ka 'na tsa e-ba le lithemparetjha tse fapaneng, tse etsang hore ho hanyetsa mocheso e be marang-rang a tšoanang.
Nexperia e sebelisa mokhoa o tšoanang ho ntša boleng ba Rth(j-sp) bakeng sa lisebelisoa tse kopantsoeng le chip le tse rekisoang ka mohala.Boleng bona bo tšoaea tsela e ka sehloohong ea mocheso ho tloha ho chip ho ea ho leadframe ho ea ho manonyeletso a solder, ho etsa hore litekanyetso tsa lisebelisoa tse entsoeng ka chip li tšoane le litekanyetso tsa lisebelisoa tse rekisoang ka terata ka mokhoa o ts'oanang oa PCB.Leha ho le joalo, mocha oa bobeli ha o sebelisoe ka botlalo ha o ntša boleng ba Rth(j-sp), kahoo matla a kakaretso a mocheso a sesebelisoa hangata a phahame.
Ha e le hantle, mocha oa bobeli oa bohlokoa oa mocheso oa mocheso o fa baqapi monyetla oa ho ntlafatsa moralo oa PCB.Ka mohlala, bakeng sa sesebelisoa se rekisoang ka terata, mocheso o ka qhaloa feela ka mocha o le mong (boholo ba mocheso oa diode o qhaloa ka pini ea cathode);bakeng sa sesebelisoa se tlanngoeng ka clip, mocheso o ka qhaloa liteisheneng ka bobeli.
Ketsiso ea Ts'ebetso ea Thermal ea Lisebelisoa tsa Semiconductor
Liteko tsa ho etsisa li bonts'itse hore ts'ebetso ea mocheso e ka ntlafala haholo haeba li-terminals tsohle tsa lisebelisoa ho PCB li na le litsela tsa mocheso.Ka mohlala, ka CFP5-packaged PMEG6030ELP diode (Setšoantšo sa 3), 35% ea mocheso o fetisetsoa ho li-anode pins ka li-clamps tsa koporo 'me 65% e fetisetsoa ho li-cathode pins ka li-leadframes.
CFP5 pakete diode
"Liteko tsa ho etsisa li tiisitse hore ho arola mocheso oa mocheso likarolong tse peli (joalokaha ho bontšitsoe setšoantšong sa 4) ho thusa haholo ho senya mocheso.
Haeba heatsink ea 1 cm² e arotsoe ka li-heatsink tse peli tsa 0.5 cm² tse behiloeng ka tlas'a e 'ngoe le e' ngoe ea li-terminals tse peli, boholo ba matla a ka felloang ke diode ka mocheso o tšoanang o eketseha ka 6%.
Li-heatsink tse peli tsa 3 cm² li eketsa phepelo ea matla ka liperesente tse 20 ha li bapisoa le moralo o tloaelehileng oa sink ea mocheso kapa 6 cm² heatsink e kentsoeng feela ho cathode.
Liphetho tsa Ketsiso ea Mocheso ka Licheso tsa Mocheso Libakeng tse Fapaneng le Libaka tsa Boto
Nexperia e Thusa Baqapi ho Khetha Liphutheloana tse Loketseng Likopo Tsa Bona Hamolemo
Baetsi ba lisebelisoa tse ling tsa semiconductor ha ba fe baqapi lintlha tse hlokahalang ho tseba hore na ke mofuta ofe oa sephutheloana o tla fana ka ts'ebetso e ntle ea mocheso bakeng sa ts'ebeliso ea bona.Sengoliloeng sena, Nexperia e hlalosa litsela tsa mocheso ka har'a lisebelisoa tsa eona tse hoketsoeng ka terata le li-chip ho thusa baqapi ho etsa liqeto tse ntle bakeng sa lits'ebetso tsa bona.
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Nako ea poso: Sep-13-2023