Switching power supply txoj cai

Cov qauv tswj thiab muaj pes tsawg leeg ntawm cov khoom siv hluav taws xob hloov pauv tau ua tiav hauv cov khoom ntawm lub zog hloov hluav taws xob. Qhov zoo nam yog lub ntsiab siv. Ntxiv nrog rau seb cov kev ntsuas cuam tshuam puas ua tau raws li cov qauv, lwm yam yuav tsum tau sau tseg. Txhawm rau kom nkag siab qhov zoo ntawm cov khoom siv hluav taws xob hloov pauv thiab lwm yam tsis zoo, nws yuav tsum tau them sai sai rau kev tsim cov khoom siv hluav taws xob hloov pauv. Qhov no yuav tsum tau tus tsim kom muaj kev nkag siab tob thiab muaj peev xwm ua haujlwm siab hauv kev xaiv cov khoom siv hluav taws xob hloov hluav taws xob, kev tsim hluav taws xob hluav taws xob thiab kev tswj hwm txoj cai ntawm kev hloov hluav taws xob. Kab lus no muab qee cov lus qhia yooj yim rau koj txog kev tswj hwm txoj cai ntawm kev hloov cov khoom siv hluav taws xob.

ib. Cov qauv tswj ntawm kev hloov hluav taws xob hloov pauv yog qhov qub, tsis muaj qhov sib txawv loj.

Feem ntau, cov khoom siv hluav taws xob hloov pauv yog tsim los ntawm cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, thiab plaub lub cev tseem ceeb. Cov ncauj lus kom ntxaws ntxiv tuaj yeem muab faib ua: input filtering, input rectification, switching circuit, sampling, reference power, comparison amplification, oscillator, V/F conversion, base drive, output rectification, output filter circuit. Cov khoom siv hluav taws xob hloov hluav taws xob tiag tiag kuj muaj kev tiv thaiv Circuit Court, lub hwj chim kho qhov hluav taws xob, lub tshuab hluav taws xob synchronous rectification, thiab lwm yam kev pab cuam. Nyob ntawm hom kev tswj, PM (Pulse Modulation) circuits tuaj yeem siv ntau hom. Ntawm no yog ib qho qauv PFM.

ob. Muaj plaub yam tseem ceeb rau kev tsim kho lub zog hloov hluav taws xob.

Qhov thib ib yog qhov kev hloov pauv hloov: qhov thib ob yog qhov tso zis hluav taws xob: qhov thib peb yog qhov kev tswj xyuas Circuit Court: plaub yog lub input circuit. Vim muaj kev txwv ntawm cov ntsiab lus layout, lub hauv paus ntsiab lus ntawm kev hloov fais fab mov tuaj yeem qhia luv luv xwb. Qhov tshwj xeeb yuav raug cuam tshuam rau hauv cov kev hloov tshiab tom ntej vim muaj cov ntsiab lus ntau dhau. Tseem muaj ntau yam ntaub ntawv online zoo li no. Lub luag haujlwm tseem ceeb yog tseem sau los ntawm Is Taws Nem, thiab tom qab ntawd sab laj nrog lub tuam txhab cov neeg ua haujlwm kev ua haujlwm los hloov kho thiab muab cov neeg siv ntau li ntau tau.