Daidaitaccen daidaiton ƙarfin lantarki/daidaitaccen wanzuwar monolithic yana ɗaukar monolithicadaftar wutar lantarki, an tsara shi tare da ƙaramar ƙaramar ƙarfin aiki biyu mai ƙarfi da daidaitaccen daidaitaccen daidaitaccen mai daidaitawa don haɓaka madaidaicin ikon wutar lantarki da madauki na sarrafawa da ke akwai.Idan aka kwatanta da madauki na sarrafawa da aka yi da transistor, yana da fa'idodi na babban daidaito na daidaitaccen ƙarfin lantarki da daidaiton data kasance, madaidaiciyar da'ira, ƙarancin juriya na juriya na ganowa, rage amfani da wutar lantarki gami da haɓaka ƙarfin wutar lantarki.Tasirin ƙarfinsa zai iya kaiwa 80%.Irin wannan wutar lantarki ya dace damasu saurin cajin baturi na kwamfyutocinda kuma masu rikodin bidiyo.
Ana nuna da'irar 15v2a daidaitaccen ƙarfin wutar lantarki / adaftar wutar lantarki na yau da kullun a cikin adadi.Ana amfani da haɗe-haɗe guda huɗu a cikin da'ira: TOP214Y adaftar wutar lantarki ta monolithic (IC1), PC816A linear optocoupler (IC2), daidaitacce daidaitaccen daidaitaccen mai tsara tl431C (C3), da ƙaramin ƙarfi dual amplifier lm358 (iC4, gami da amplifiers biyu na aiki ic4a da ic4a). ic4b).
Da'irar tana da halaye masu zuwa:
- ① Madaidaicin madaidaicin wutar lantarki ya ƙunshi ic4b, IC3, vd5, da masu tsayayyar samfur R3 da R4;Madauki na sarrafawa na yanzu ya ƙunshi ic4a, vd6, da juzu'in ganowa R6.
- ② Madaidaicin madaidaicin wutar lantarki da madauki na yau da kullun yana aiki bisa ga ka'idar "hankali ko ƙofar", wato, a kowane lokaci, madauki wanda fitowar sa babban matakin yana taka rawar sarrafawa.
- ③ An ƙara NSB son rai na biyu don samar da wuta ga madauki mai sarrafawa.Rashin son zuciya na biyu na iya bin canjin wutar lantarki ta DC ku ta atomatik ta yadda har yanzu yana da halaye na yau da kullun lokacin da ƙarfin wutar lantarki U ya ragu sosai.Zai shigar da yanayin sake farawa ta atomatik lokacin da ka ≤ 0.8V.
- ④ Ana amfani da adaftar wutar lantarki TOP214y guda ɗaya, kuma ƙarfin fitarwa da aka ƙididdige ya kai 30W
- ⑤ Lokacin da aka karɓi madauki na sarrafawa na yanzu wanda ya ƙunshi amplifier mai aiki, juriya na juriya na ganowa na yanzu R6 za'a iya ragewa zuwa 0.1q, ana iya rage yawan amfani da wutar lantarki zuwa 0.4W, kuma ana iya inganta ƙarfin wutar lantarki.
- ⑥ Ƙara matsakaicin ƙimar ƙarfin amsawa u zuwa 46v.Anan, an zaɓi PC816A optocoupler, wanda U (BR) Shugaba = 70V> 40V.
A ƙarƙashin yanayi na yau da kullun, zoben sarrafa wutar lantarki yana aiki, haka kuma adaftar wutar lantarki yana aiki a cikin wurin ci gaba da ƙarfin lantarki.Yana shiga daidaitaccen yanki lokacin da nake kusa da 2a.A halin yanzu, zoben sarrafawa na yanzu yana aiki.Tashar shigarwar cikin-lokaci ta ic4a ta sami hulɗa tare da siginar ganowa ta ur6, haka kuma an haɗa tashoshin shigarwar da aka juyar da shi tare da wutar lantarki mai rarraba wutar lantarki ufy.Wurin rarraba wutar lantarki ya ƙunshi R8, tl431c, da r5.Ic4a yana fitar da kuskure bayan ya bambanta ub6 tare da ufy.Siginar U bayan haka ya zama siginar yanzu ta hanyar vd5 da R1, yana motsawa daidai cikin LED a cikin optocoupler, sannan kuma yana sarrafa nauyin alhakin TOP214Y don kula da fitarwa na yanzu io na samar da wutar lantarki akai-akai a cikin ci gaba na yanzu.Babu shakka, vd5, da kuma vd6, suna daidai da "kofa".Idan madauki na yau da kullun yana fitar da babban mataki kamar yadda madaidaicin madauki na wutar lantarki ya haifar da ƙananan matakin, ƙarfin wutar lantarki yana aiki a cikin yanayin fitarwa na ci gaba;Akasin haka, yana aiki a cikin yanayin sakamakon ƙarfin lantarki akai-akai.
Lokacin aikawa: Mayu-20-2022