TPS53319DQPR 1.5-V to 22-V, 14-A synchronous buck converter e nang le eco-mode
TPS53319DQPR 1.5-V to 22-V, 14-A synchronous buck converter e nang le eco-mode
Setšoantšo sa TPS53319
Mofuta oa motlakase oa phetoho: 1.5 V ho 22 V
Mofuta oa motlakase oa ho kenya VDD: 4.5 V ho isa ho 25 V
91% e sebetsang hantle ho tloha ho 12 V ho isa ho 1.5 V ho 14 A
Phaello ea motlakase: 0.6 ho isa ho 5.5 V
5-V tlhahiso ea LDO
E tšehetsa tlhahiso ea seporo se le seng
Matla a kopantsoeng a MOSFET a nang le 8 A (TPS53318) kapa 14 A (TPS53319) ea tlhahiso e tsoelang pele ea hona joale.
Auto-skip Eco-mode™ bakeng sa matla a khanya
<110 µA e koaletsoeng hona joale
Mokhoa oa D-CAP™ o nang le karabelo ea nakoana e potlakileng
Maqhubu a feto-fetohang a tsoang ho 250 kHz ho isa ho 1 MHz ka mohanyetsi oa kantle
Ts'ebetso e ka khethehang ea ho tlola-tlola kapa ea PWM feela
E hahiloeng ka hare ho 1% 0.6-V referense
0.7-ms, 1.4-ms, 2.8-ms le 5.6-ms khetho ea ka hare ea voltage servo-start-start
Sesebelisoa se kopantsoeng sa boost
Bokhoni ba ho qala bo sa lefisoang
Moeli o feto-fetohang oa overcurrent ka matšeliso a mocheso
Overvoltage, undervoltage, UVLO le tšireletso e feteletseng ea mocheso
E tšehetsa li-capacitor tsohle tsa ceramic
Pontšo e ntle ea matla a ho ntša metsi
E kenyelletsa theknoloji ea NexFET™ block block
Sephutheloana sa 22-pin QFN (DQP) se nang le PowerPAD™
Setšoantšo sa TPS53319
Lisebelisoa tsa TPS53318 le TPS53319 ke mokhoa oa D-CAP, 8-A kapa 14-A li-synchronous switchers tse nang le li-MOSFET tse kopantsoeng.Li etselitsoe hore ho be bonolo ho li sebelisa, palo e tlase ea likarolo tsa kantle, le lisebelisoa tsa matla tse hlokomelang sebaka.
Lisebelisoa tsena li na le 1% e nepahetseng, litšupiso tsa 0.6-V, le switch e kopaneng ea boost.Mohlala oa likarolo tsa tlholisano o kenyelletsa: 1.5-V ho 22-V bophara ba motlakase oa phetoho, palo e tlase haholo ea likarolo tsa kantle, taolo ea mokhoa oa D-CAP™ bakeng sa transient e potlakileng haholo, ts'ebetso ea auto-skip mode, taolo ea ho qala ha bonolo, e ka khethoang. khafetsa, 'me ha ho hlokahale matšeliso.
Matla a ho kenya letsoho a fetoha ho tloha ho 1.5 V ho isa ho 22 V, mefuta ea motlakase ea phepelo e tloha ho 4.5 V ho isa ho 25 V, 'me mefuta ea motlakase e tsoang ho 0.6 V ho ea ho 5.5 V.
Lisebelisoa tsena li fumaneha ka har'a sephutheloana sa 5 mm x 6 mm, sephutheloana sa 22-pin QFN mme se hlalositsoe ho tloha ho -40°C ho isa ho 85°C.
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
