Tl431 voltul Resoulator Freed
2024-04-17 16121

Tl431 ndi njira yolumikizidwa ndi zitatu yolumikizidwa ndi chip yophatikizidwa ndi kutentha kwa kutentha kwa kutentha.Chifukwa cha kulondola kwake, kutsika kotsika kumene, ndi phokoso lotsika, limagwiritsidwa ntchito kwambiri pazida zosiyanasiyana zamagetsi, monga kuwongolera kokha, kuwongolera mphamvu.Pofuna kuthandiza aliyense kumvetsetsa bwino TL431, nkhaniyi idafotokoza bwino za tl431.Bwerani mudzayang'ane.

Tl431 ndi 2.50v mpaka 36V osintha moyenera a Sheinter opangidwa ndi zida zopangidwa ndi Texas adaphatikizidwa (ti) ndi Motorola omwe amaphatikizidwa ku USA.Ili ndi kuthekera kwa zotulutsa zomwe zasintha ndikukhala ngati mavadzi ambiri.Mndandanda wa Tl431 umaphatikizapo Tl431c, Tl431Ac, Tl431i, Tl431Ai, Tl4311M, Tl431m, Tl431y, Tl431y, Tl431y, Tl431y, Tl431y, Tl431y, TllMitundu iyi imagawana mawonekedwe owoneka bwino amkati ndi kusiyana kocheperako muukadaulo.Chifukwa cha kukula kwake, kuwongolera magetsi osinthika, ndi kutulutsa kwakukulu komwe kumachitika, TL431 itha kugwiritsidwa ntchito popanga makonzedwe osiyanasiyana.Makhalidwe ake akugwirira ntchito mawu osintha mosalekeza mpaka 36V, malo ogwiritsira ntchito madongosolo osiyanasiyana kuchokera ku 0.1ma kupita ku 100ma, kukana kwamphamvu kwa 0,2h.Kuphatikiza apo, ili ndi magetsi ambiri a 37V, kugwirira ntchito kokwanira kwa 150Ma, magetsi amkati a 2,5V, ndi magetsi otulutsa kuchokera pa 2,5V mpaka 30V.

Kulondola kwa magetsi kulondola kwa tl431 kungafike ± 2% kapena kupitilira apo, kumathandizira kuti ipereke mphamvu zokhazikika komanso zolondola pama voliji osiyanasiyana.

Tl431 imakhala ndi yankho mwachangu.Imatha kusintha mwachangu mphamvu yotulutsa chifukwa cha kuperekera kwa mphamvu zosintha, ndikuonetsetsa kuti magetsi atulutsidwe.

Monga momwe Tl431 imagwirizanitsa onjezerani cholakwika komanso gwero la mafanodi, limasinthiratu kapangidwe ka madera, amachepetsa kukula kwa magetsi, ndipo ndalama zotsika mtengo.

Mphamvu yotulutsa Tl431 imatha kusintha pogwiritsa ntchito anthu awiri akunja, kupereka zosintha kuchokera pa 2,5V mpaka 36v, zokwanira kuperekera madera osiyanasiyana.

Magetsi, magetsi, ndi zomangira za chipangizo chilichonse chikuwonetsa zofuna zake, i.e., kuchuluka kwazomwe zilipo ndi magetsi okwanira kuti achitepo kanthu.Tebulo lotsatirali limapereka ndalama zomwe zilipo pano, mphamvu, ndi voliyumu ya tl431.

Kuti muyese ngati magwiridwe antchito a Tl431 ndiabwino, tifunika kudziwa pini zake monga zonena za maxiconte, malo, ndi ku Catade.Titha kutsimikizira zikhomo, titha kutsatira njira zomwe zili m'munsimu.Choyamba, timasintha mitundu yosiyanasiyana kwa Rxlk block, kulumikiza cholembera chakuda kwa eni, ndi cholembera chofiyira ku Cast.Zomwe zimayesedwa panthawiyi ndikutsutsana kwa Tl431.Kenako, timawerengera mayesowo, ndiye kuti cholembera chakuda chikulumikizidwa ku Catode ndipo cholembera chofiira chikulumikizidwa ndi mawonekedwe.Pakadali pano, kukana kopanda malire kuyenera kuwonetsedwa.Izi zikutanthauza kuti nthawi yamakono kuchokera ku mawonekedwe kupita ku Catode, Tl431 imatha kutembenuzo nthawi zambiri;Ndipo pamene zatuluka kumene kuchokera ku Catode kupita ku Odedi, Tl431 imazimitsidwa.Kenako, tinkasungirabe mitundu yambiri pa rxlk block, kulumikiza cholembera chakuda kwa ma terminal, ndi cholembera chofiyira ku Cast.Pakadali pano, sipayenera kukhala zaposachedwa kudutsamo, ndiye kuti, palibe chomwe chikusonyeza mita.Ndiye, pamene tikhudza cholembera chakuda ndi dzanja limodzi ndi mawonekedwe ake ndi dzanja lina, zosindikiza ziyenera kukhala zomveka.Izi zikakumana, pini zokhudzidwa ndi dzanja ndi zowerengera.Gawo lomaliza ndikufupikitsa masitepe owerengera ndi mawonekedwe, ndiye kuti, iloleni kuti izi zitheke kuchokera ku ma termir terminal ndi mawonekedwe nthawi imodzi.Pankhaniyi, ngati chitsogozo chakuda chikulumikizidwa ku Catode ndipo chitsogozo chofiira chimalumikizidwa ku Theode, nthawi zambiri pamakhala dontho laling'ono la voliyumu;Komanso, ngati chitsogozo chakuda chikulumikizidwa ndi mawonekedwe ndipo chitsogozo chofiira chimalumikizidwa ku CastOde, nthawi zambiri pamakhala magetsi akuluakulu ambiri.Mfundo ya muyeso iyi imakhazikitsidwa ndi magetsi osiyanasiyana a Tl431 nthawi yakutsogolo ndikusinthira.

Lalvage Lain

Crowbar

Shint regilator

Kuwongolera malire aposachedwa

Mlangizi wapano

PWM Converter Pofotokoza

Zoyenera Kwambiri Kwambiri

Tl431 ili ndi zikhomo zitatu, zomwe ndizofanana, mawonekedwe, ndi ku Catade.Kuti tisiyanitse zikhomo zitatuzi, titha kukonza kuti achoke kumanzere ndi logoyo.Makamaka, ma tepinoli ndi pini yomwe imagwiritsidwa ntchito poyambitsa magetsi;Anode ndiye pini yomwe imadutsamo;Ndipo Cast Cast ndiye pini yomwe imatuluka.Pogwiritsa ntchito, nthawi zambiri pangano lomwe limalumikizidwa ndi mtengo wathunthu wa mphamvu kudzera poyerekeza ndi malo omwe ali pakalipano, pomwe mawonekedwe amalumikizidwa ndi mtengo woyipa wa magetsi.Chithunzi chake chachitsulo chili motere:

Pini 1 (Reference): Pini iyi imakhazikitsa mitengo yamagetsi ya Zerener Dide.

Pini 2 (kode): mawonekedwe a anyezi ofanana

Pini 3 (cast): Cast): Cast of theener yofanana

Tl431 ndi njira yosinthika ya Shint Sheltor yokhazikika.Nthawi zambiri imagwiritsidwa ntchito ngati magetsi osinthika.Mapangidwe ake akunja ali ndi zikhomo zitatu: atakhala, malo sode, ndi ma reventi.Kapangidwe ka mkati ndi monga tawonera.M'mapulogalamu ambiri a Tl431, mawonekedwe a mawonekedwe nthawi zambiri amalumikizidwa pansi, ndipo gawo la cast Cast limatuluka kudzera pagalasi lakumanzere kumanzere kwa chithunzi cha block.Kuponyedwa kwa nyuzipepala komwe kumapangidwa ndi izi pokana, kuphatikiza mphamvu ya voliyumu pakati pa maziko a b ndi emitter e wa tradistor, pamodzi amaperekanso mavotisi a 2,5V.Katundu wapakati pa tl431 ndi wofanana ndi gawo lozungulira, pomwe malo ake otuluka amatenga kapangidwe ka Darlington.Chifukwa chake, Tl431 siili ntchito ya magetsi mkati mwanu komanso imagwirizanitsa ntchito ya madera ogwirira ntchito.

Malinga ndi ntchito yake, TL431 imakhala ndi magetsi wamba 2.5V, osiyana ma amp-amp, ndi yotola transtor.Chithunzi chosavuta cha Tl431 chikuwonetsedwa pansipa.Mphamvu ya voliyumu ikatsika mtengo kuposa magetsi mkati mwa magetsi a 2,5v, omwe o Op-a Op-APzamakono);Ndipo mphamvu ya voliyumu ili yokwera kuposa magetsi kwambiri kuposa magetsi amkati, map-a Map-a OP-a OP-APPokhapokha pomwe voliyumu yam'madzi imayandikira kwambiri ndi magetsi kwambiri pa magetsi, ma triode adzagwira ntchito kuderalo, kuchokera ku Catode yochotsa nthawi zonse.Kusanthula kumawonetsa kuti posintha magetsi, malo oyambirira omwe amafunikira magetsi a ntchentche ndi op-amp kuti ayankhe bwino kwambiri ndi Tl431.

Mukamagwiritsa ntchito Tl431, tiyenera kulabadira mbali zotsatirazi.

Kuchepera komwe kumayenda kudutsa mu Tl431 iyenera kusungidwa pamwamba pa 1ma, apo ayi, itataya magetsi a mphamvu.Nthawi yomweyo, zochulukirapo zomwe zilipo sizingadutse 100ma kuti mupewe kuwononga Tl431.

Popeza voliyumu yamkati ya TL431 imasungidwa ndi cashopudi, ndipo izi ziyenera kukhala zapamwamba kuposa kutsimikizika kuti zitsimikizire ntchito ya TL4311 ili muDera lodulidwa, Canceode likufunikabe kuti azigwira bwino kwambiri kuposa 0,2ma;Polotacho chikatulutsa, kutalika kwake, magetsi pakati pa mitengoyo ayenera kukhala ochulukirapo kuposa 2.2V kuonetsetsa kuti Tl431 imatha kugwira ntchito bwino.

Kutenga phukusi lodziwika bwino mpaka 92 monga chitsanzo, kugwiritsa ntchito mphamvu kwa mphamvu ya tl431 ndi 0.7w.M'malo mwake, kugwiritsa ntchito mphamvu p kwa Tl431 mu Gawoli litha kuwerengedwa ndi formula p = vot i, komwe VO ndi voliyumu yotulutsa ndipo ine ndi pano kudzera pa Tl431.Chifukwa chake, potuluka sizidutsa 5V, tl431 imatha kutulutsa ndalama zambiri zamakono za 140ma;Magetsi otulutsa ndi 7v, amatha kutulutsa mawu a 10ma chifukwa cha kugwiritsa ntchito mphamvu zolephera.Nthawi zambiri, kugwiritsa ntchito mphamvu kwa tl431 kuchokera ku 0,5w mpaka 1.2w.Ikamagwira ntchito pansi pa kutentha kwambiri, magetsi apamwamba kapena mikhalidwe yambiri, tiyenera kuyang'anira mwapadera kuti muchepetse kuchepa kwa magwiridwe antchito kapena kuwonongeka kwa mphamvu kwambiri.

Mukamasankha zida ndi kuzimba, tiyenera kuyesetsa kuchitapo kanthu mogwirizana ndi mtundu womwewo ndi kutentha pang'ono, phokoso lalikulu, ndi mphamvu yayikulu kuti itsimikizire kukhazikika komanso kudalirika.Malinga ndi formula Vo = 2.5 * (1 + R1 / R2), pomwe VO ndi 36V, titha kuwerengetsa kuchuluka kwa R1 ndi 13.4, mtengo wa R1 uyenera kukhala 13.4uyo wa R2.Kuphatikiza apo.Chifukwa chake, popanga ndi kugwiritsa ntchito, tiyenera kuyang'anitsitsa komwe kuli malo a zitsanzo kuti mupewe izi.

Inde, ndi a Zener Daide.Mphamvu ya mphamvu yotulutsa kuchokera pa 2.5 ma volts mpaka 36 volts.Mphamvu ya mphamvu yotulutsa idzakhala ± 4 peresenti.Kutulutsa kwapakati kapena kung'animira kumayambira kuchokera ku 1 Mall Mamita 100 Ma.

TL431 ndiyo njira yoyambirira ya magetsi.TLV431 ndi njira yotsika ya TLV komanso ilinso ndi mitundu ina.

Tl431 mu kusintha kwa Lop-Lop kumagwiritsidwa ntchito ngati voltoge poyerekeza, kuwonongeka kuwunikira, kuwunika kwamphamvu, chowunikira magetsi, ndi mitundu yambiri yamitundu yambiri.Tl431 ndi magetsi amagetsi amagetsi omwe amagwiritsidwa ntchito pazomwe izi.

When the TL431 is damaged, if there is no replacement of the same model, it can be directly replaced with KA431, μA431, LM431, YL431, S431, etc. TL431 suffix letters indicate product level and operating temperature range.

Zipangizo za Tl431 ndi Tl432 ndi ma terlators atatu osinthika, omwe ali ndi zokhazikika pamagetsi pamagetsi omwe amagwiritsidwa ntchito pokonza, malonda, komanso ankhondo.Mphamvu yotulutsa imatha kukhazikitsidwa pamtengo uliwonse pakati pa Vref (pafupifupi 2.5 v) ndi 36 v, ndi awiri akunja.