Ho Nepaha ha Matla a Output ± 1% ho feta TJmefuta (mokhoa oa PWM)
Mokhahlelo oa Matla a Kenyellelitsoeng: 3 V ho isa ho 17 V
Quiscent Current 18 µA Tloaelehileng
Matla a tsoang ho 0.8 ho isa ho 12 V
Adjustable Soft-Start
Ts'ebetso e qobelloang ea PWM kapa PWM/PFM
Phetoho ea maqhubu a 1.25MHz kapa 2.5 MHz ho PWM e qobelloang
Kenyelletso e nepahetseng ENABLE e lumella
User-Defined Under Voltage Lockout
Tatelano e nepahetseng100%
Mosebetsi Cycle Mode
Ntlafatso e Ikemetseng ea Katleho ea AEE™
DCS-Control™ Topology
Active Output Discharge (TPS62148)
Tšireletso ea HICCUP Overcurrent (TPS62147)
Phallo e Ntle ea Matla
E fumaneha ka 2-mm × 3-mm VQFN Package
TPS62147 le TPS62148 li sebetsa hantle haholo ebile li bonolo ho sebelisa li-converter tsa DC/DC tse lumellanang, tse ipapisitseng le DCS-Control™Topology.Matla a pharalletseng a 3-V ho isa ho 17-V a etsa hore a tšoanelehe bakeng sa li-multi-cell Li-Ion hammoho le liporo tsa phepelo tse mahareng tsa 12-V.Lisebelisoa li fana ka 2-A e tsoelang pele ea tlhahiso ea hona joale.Ke bona ba kenya Mokhoa oa ho Boloka Matla ka meroalo e bobebe ho boloka ts'ebetso e phahameng ho pholletsa le mefuta eohle ea thepa.Ka hona, li loketse lits'ebetso tse hlokang ts'ebetso e hokahaneng, joalo ka PC ea indasteri le leihlo la video.Ha phini ea MODE e behiloe tlase, switchingfrequency e ikamahanya le maemo ka bo eona ho ipapisitsoe le tlhahiso ea hajoale hape le ho input le outputvoltage.Mokhoa ona o bitsoa Automatic Efficiency Enhancement (AEE™) 'me o boloka ts'ebetso e phahameng ea phetoho holim'a mefuta eohle ea ts'ebetso.TPS62147, TPS62148 e fana ka ho nepahala ha 1% ea outputvoltage ka mokhoa oa PWM mme ka hona e nolofalletsa moralo oa phepelo ea motlakase ka ho nepahala ho phahameng ho tsoa ho voltage.Pini ea FSEL e lumella ho beha maqhubu a ho fetoha ka mokhoa o qobelloang oa PWM oa 1.25 MHz kapa 2.5 MHz, ka ho latellana.
Nako e tloaelehileng ea ho khutsa ke 18 µA.Boemong ba ho koala, hona joale hangata ke 1µA.
Lisebelisoa li fumaneha e le mofuta o feto-fetohang, o kentsoeng ka har'a 3-mm × 2-mm VQFNpackage.
1. Basebetsi lefapheng la hau la R & D ke bo-mang?Litšoaneleho tsa hau ke life?
-R & D Motsamaisi: etsa moralo oa nako e telele oa R & D oa k'hamphani le ho utloisisa tataiso ea lipatlisiso le nts'etsopele;Tataisa le ho hlokomela lefapha la r&d ho kenya tšebetsong leano la r&d la k'hamphani le moralo oa selemo le selemo oa R&D;Laola tsoelopele ea nts'etsopele ea lihlahisoa le ho lokisa moralo;Theha sehlopha se hloahloa sa lipatlisiso le nts'etsopele ea sehlahisoa, tlhahlobo le koetliso e amanang le basebetsi ba botekgeniki.
Mookameli oa R & D: etsa moralo oa sehlahisoa se secha sa R & D 'me u bontše ho khoneha ha moralo;Laola le ho laola tsoelopele le boleng ba mosebetsi oa r&d;Batlisisa ntshetsopele ya sehlahiswa se secha mme o sisinye ditharollo tse sebetsang ho ya ka ditlhoko tsa bareki mafapheng a fapaneng
Basebetsi ba R&d: bokella le ho hlophisa lintlha tsa bohlokoa;Lenaneo la khomphutha;Ho etsa liteko, liteko le ho sekaseka;Lokisetsa lisebelisoa le lisebelisoa bakeng sa liteko, liteko le litlhahlobo;Rekota lintlha tsa tekanyo, etsa lipalo le ho lokisa lichate;Etsa lipatlisiso tsa lipalo-palo
2. Maikutlo a hau a lipatlisiso le nts'etsopele ea sehlahisoa ke afe?
- Maikutlo a sehlahisoa le mohopolo oa sehlahisoa sa khetho le tlhahlobo ea tlhaloso ea sehlahisoa le moralo oa moralo oa projeke le tlhahlobo ea ntlafatso ea sehlahisoa le ho qala ho netefatsa 'marakeng