Uninzi lwee-converter ze-DC-DC zenzelwe ukuguqulwa kwe-unidirectional, kwaye amandla anokuhamba kuphela ukusuka kwicala lokufaka ukuya kwicala lokukhupha. Nangona kunjalo, i-topology yazo zonke ii-converter ze-voltage ezitshintshayo zinokutshintshwa zibe yi-bidirectional conversion, enokuvumela amandla ukuba abuyele ukusuka kwicala lokukhupha ukuya kwicala lokufaka. Indlela kukutshintsha zonke ii-diode zibe yi-active rectification elawulwa ngokuzimeleyo. I-bidirectional converter ingasetyenziswa kwizithuthi nakwezinye iimveliso ezifuna i-regenerative braking. Xa imoto isebenza, i-converter iya kubonelela ngamandla kumavili, kodwa xa i-braking, amavili aya kubonelela ngamandla kwi-converter ngokutshintshiselana.
Ukutshintsha i-converter kuyinkimbinkimbi ngakumbi ngokwembono ye-elektroniki. Nangona kunjalo, ngenxa yokuba iisekethe ezininzi zipakishwe kwiisekethe ezidibeneyo, kufuneka iindawo ezimbalwa. Kuyilo lwesekethe, Ukuze kuncitshiswe ingxolo yokutshintsha (i-EMI / i-RFI) ukuya kuluhlu oluvumelekileyo kwaye kwenziwe isekethe ye-frequency ephezulu isebenze ngokuzinzileyo, kuyimfuneko ukuyila isekethe ngononophelo kunye noyilo lweesekethe zokwenyani kunye namacandelo. Ukuba ekusetyenzisweni kwe-step-down, iindleko zokutshintsha i-converter ziphezulu kunezo ze-converter ethe tye. Nangona kunjalo, ngenkqubela yoyilo lwe-chip, iindleko zokutshintsha i-converter ziyehla kancinci kancinci.
I-DC-DC converter sisixhobo esisebenzisa i-DC input voltage kwaye sinikezela nge-DC output voltage. I-output voltage inokuba nkulu kune-input voltage kwaye ngokuchaseneyo. Ezi zisetyenziselwa ukufanisa umthwalo nombane. Isekethe elula ye-DC-DC converter ineswitshi elawula umthwalo ukuze uqhagamshele kwaye ukhuphe umbane.
Okwangoku, ii-DC converters zisetyenziswa kakhulu kwiinkqubo zokuguqula umbane kwizithuthi zombane, kwizithuthi zokucoca umbane, kwiimoto zombane nakwezinye izithuthi zombane. Zikwasetyenziswa kakhulu kwiifowuni eziphathwayo, kwi-MP3, kwiikhamera zedijithali, kwizixhobo zokudlala iimidiya eziphathekayo nakwezinye iimveliso.
Ixesha lokuthumela: Disemba-31-2021