Kurongeka kunoenderana voltage / inowirirana iripo monolithic inotora monolithicadapta yemagetsi, yakarongedzerwa neakaderera-simba maviri maviri ekushanda amplifier uye inogadzirika kunyatsofanana regulator kugadzira voltage control loophole pamwe neiripo yekudzora loophole.Kana ichienzaniswa neiyo loophole yekudzora inogadzirwa nema transistors, ine zvakanakira kusimba kwepamusoro kweiyo inowirirana voltage uye isingachinjiki iripo, yakatwasuka yedunhu redunhu, kushoma kushoma kunokosha kwekuonekwa kwekuramba kuripo, kuderedzwa kwesimba rekushandisa pamwe nekuwedzera simba remagetsi.Simba rayo rinoshanda rinogona kusvika 80%.Rudzi urwu rwemagetsi runokodzerakukurumidza bhatiri majaja emalaptopspamwe chete nemarekodha evhidhiyo.
Dunhu re 15v2a chaiyo inogara voltage / inogara iripo inobuda simba adapta inoratidzwa mumufananidzo.Maseketi mana akabatanidzwa anoshandiswa mudunhu: TOP214Y monolithic power adapter (IC1), PC816A linear optocoupler (IC2), inogadziriswa chaiyo parallel regulator tl431C (C3), uye yakaderera-simba maviri maviri anoshanda amplifier lm358 (iC4, kusanganisira maviri anoshanda amplifiers ic4a uye ic4b).
Sadunhu rine zvinotevera maitiro:
- ① Iyo voltage control loop inoumbwa ne ic4b, IC3, vd5, uye sampling resistors R3 uye R4;Ikozvino control loop inoumbwa ne ic4a, vd6, uye overcurrent yekuona resistor R6.
- ② Iyo voltage control loop uye ikozvino yekudzora loop inoshanda zvinoenderana nemusimboti we "logic kana gedhi", kureva, chero nguva, loop ine yakakwira level inoita basa rekutonga.
- ③ Iyo yechipiri bias winding NSB inowedzerwa kupa simba kune control loop.Iyo yechipiri bias inogona kutevedzera otomatiki shanduko yeDC yekupinza voltage iwe kuitira kuti irambe iine hunhu hwazvino kana simba rekubuda kwemagetsi U radzikiswa zvakanyanya.Ichapinda otomatiki restart mamiriro chete kana iwe ≤ 0.8V.
- ④ A TOP214y single-chip power adapter inoshandiswa, uye iyo yakatemerwa inobuda simba inosvika 30W.
- ⑤ Kana iyo ikozvino yekutonga loop inoumbwa neanoshanda amplifier yakagamuchirwa, kushorwa kweiyo ikozvino yekuona kuramba R6 kunogona kuderedzwa kusvika 0.1q, simba rekushandisa rinogona kuderedzwa kusvika 0.4W, uye kugona kwesimba kunogona kuvandudzwa.
- ⑥ Wedzera iyo yakanyanya kukosha yemhinduro voltage u kusvika 46v.Pano, PC816A optocoupler inosarudzwa, iyo U (BR) CEO = 70V> 40V.
Mumamiriro ezvinhu akajairwa, iyo voltage yekudzora mhete inoshanda, pamwe neiyo adapta yemagetsi inoshanda munzvimbo inoenderera.Inopinda munzvimbo inowirirana iripo kana ndave pedyo ne2a.Parizvino, iyo iripo yekudzora mhete inoshanda.Iyo in-phase yekuisa terminal ye ic4a inobatwa neiyo iripo yekuwanikwa chiratidzo ur6, pamwe neiyo inverted yekuisa terminal yakabatana nevoltage divider voltage ufy.Iyo voltage divider panel inoumbwa neR8, tl431c, uye r5.Ic4a inoburitsa chikanganiso mushure mekusiyanisa ub6 neufy.Chiratidzo U mushure meizvozvo chinova chiratidzo chiripo kuburikidza nevd5 pamwe neR1, inofamba ichipinda muLED mune optocoupler, uye yozogadzirisa kutenderera kweTOP214Y kuchengetedza inobuda iripo io yemagetsi ekupa nguva dzose munzvimbo inoenderera iripo.Pasina mubvunzo, vd5, pamwe nevd6, zvakaenzana ne "kana gedhi".Kana iyo iripo yekudzora loop ichiburitsa yakakwira dhigirii pamwe neiyo voltage control loop inobuda yakaderera mwero, magetsi anoshanda mune inoenderera iripo inobuda mamiriro;Pane zvinopesana, inoshanda mune inogara ichiitika voltage mamiriro.
Zvigadzirwa zvinoenderana
Nguva yekutumira: May-20-2022