電(dian)(dian)(dian)源(yuan)(yuan)(yuan)模(mo)(mo)塊(kuai)(kuai)是一(yi)種(zhong)可以直接安裝在印刷電(dian)(dian)(dian)路板上的電(dian)(dian)(dian)源(yuan)(yuan)(yuan)，可用(yong)于數字或模(mo)(mo)擬負(fu)載的電(dian)(dian)(dian)源(yuan)(yuan)(yuan)應用(yong)。由于其高可靠性，小(xiao)尺寸，高功(gong)率密度，高轉換效率使電(dian)(dian)(dian)源(yuan)(yuan)(yuan)系統(tong)設計變(bian)得越來越簡單從而(er)被普遍使用(yong)。電(dian)(dian)(dian)源(yuan)(yuan)(yuan)模(mo)(mo)塊(kuai)(kuai)與(yu)電(dian)(dian)(dian)子(zi)設備的重(zhong)(zhong)要一(yi)樣，電(dian)(dian)(dian)源(yuan)(yuan)(yuan)模(mo)(mo)塊(kuai)(kuai)對產品(pin)質(zhi)量至關重(zhong)(zhong)要！因此，在選擇(ze)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)模(mo)(mo)塊(kuai)(kuai)時(shi)，其性能(neng)尤為(wei)重(zhong)(zhong)要！電(dian)(dian)(dian)源(yuan)(yuan)(yuan)模(mo)(mo)塊(kuai)(kuai)性能(neng)無非(fei)是安全(quan)性，穩(wen)定(ding)性，轉換效率等重(zhong)(zhong)要參數，可以查(cha)看輸入，輸出，紋(wen)波，細分(fen)，溫度，認證等指標來確定(ding)。隨著企(qi)業和現代化科技的發展，越來越多(duo)的企(qi)業注重(zhong)(zhong)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)模(mo)(mo)塊(kuai)(kuai)的品(pin)質(zhi)和使用(yong)時(shi)間。模(mo)(mo)塊(kuai)(kuai)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)容值(zhi)以模(mo)(mo)塊(kuai)(kuai)功(gong)率傳感器(qi)為(wei)特征。內(nei)蒙古ACDC電(dian)(dian)(dian)源(yuan)(yuan)(yuan)模(mo)(mo)塊(kuai)(kuai)產品(pin)介紹

電(dian)源(yuan)(yuan)(yuan)模塊(kuai)的可(ke)靠性(xing)可(ke)以(yi)通過(guo)(guo)哪些方式進(jin)行(xing)測(ce)(ce)試(shi)(shi)？1、短(duan)路試(shi)(shi)驗(yan)(yan)(yan)無(wu)負(fu)載(zai)(zai)(zai)(zai)短(duan)路試(shi)(shi)驗(yan)(yan)(yan)(讓電(dian)源(yuan)(yuan)(yuan)從空(kong)載(zai)(zai)(zai)(zai)重復(fu)測(ce)(ce)試(shi)(shi)到(dao)短(duan)路)，滿載(zai)(zai)(zai)(zai)短(duan)路試(shi)(shi)驗(yan)(yan)(yan)(讓電(dian)源(yuan)(yuan)(yuan)從滿載(zai)(zai)(zai)(zai)繼(ji)續(xu)工(gong)作到(dao)短(duan)路)，短(duan)路啟動(讓電(dian)源(yuan)(yuan)(yuan)從短(duan)路重復(fu)測(ce)(ce)試(shi)(shi)到(dao)高(gao)(gao)功率(lv))。2、開關機(ji)試(shi)(shi)驗(yan)(yan)(yan)輸(shu)入(ru)功率(lv)，過(guo)(guo)輸(shu)入(ru)電(dian)壓(ya)(ya)點，欠輸(shu)入(ru)電(dian)壓(ya)(ya)點，電(dian)源(yuan)(yuan)(yuan)模塊(kuai)較(jiao)大負(fu)載(zai)(zai)(zai)(zai)，15秒切(qie)斷(duan)5秒并(bing)繼(ji)續(xu)工(gong)作。3、輸(shu)入(ru)瞬態(tai)高(gao)(gao)壓(ya)(ya)試(shi)(shi)驗(yan)(yan)(yan)額(e)定(ding)電(dian)壓(ya)(ya)輸(shu)入(ru)，示波器記錄高(gao)(gao)壓(ya)(ya)循環次數(shu)，電(dian)源(yuan)(yuan)(yuan)滿載(zai)(zai)(zai)(zai)運(yun)行(xing)，疊加電(dian)壓(ya)(ya)跳(tiao)變(bian)(bian)連(lian)(lian)續(xu)運(yun)行(xing)。4、輸(shu)入(ru)電(dian)源(yuan)(yuan)(yuan)不穩定(ding)的輸(shu)出(chu)動態(tai)負(fu)荷試(shi)(shi)驗(yan)(yan)(yan)輸(shu)入(ru)電(dian)壓(ya)(ya)調(diao)整為不穩定(ding)跳(tiao)變(bian)(bian)，輸(shu)出(chu)調(diao)整為較(jiao)大負(fu)載(zai)(zai)(zai)(zai)和(he)空(kong)載(zai)(zai)(zai)(zai)跳(tiao)變(bian)(bian)，以(yi)便連(lian)(lian)續(xu)運(yun)行(xing)。5、功率(lv)波形試(shi)(shi)驗(yan)(yan)(yan)模擬峰值、毛刺、諧波和(he)其(qi)他電(dian)壓(ya)(ya)輸(shu)入(ru)，測(ce)(ce)試(shi)(shi)電(dian)源(yuan)(yuan)(yuan)的性(xing)能和(he)參(can)數(shu)，查看組件(jian)和(he)其(qi)他問題和(he)答案。6、電(dian)壓(ya)(ya)試(shi)(shi)驗(yan)(yan)(yan)測(ce)(ce)試(shi)(shi)各(ge)種操作過(guo)(guo)電(dian)壓(ya)(ya)，以(yi)了解過(guo)(guo)電(dian)壓(ya)(ya)對設(she)備的影響。7、高(gao)(gao)低溫試(shi)(shi)驗(yan)(yan)(yan)由于元件(jian)的性(xing)能參(can)數(shu)在(zai)高(gao)(gao)溫和(he)低溫情況下是(shi)不正常的，長時(shi)間的測(ce)(ce)試(shi)(shi)會暴露產品(pin)的隱(yin)患。8、絕緣強度(du)試(shi)(shi)驗(yan)(yan)(yan)根(gen)據產品(pin)的絕緣強度(du)，提高(gao)(gao)值，進(jin)行(xing)連(lian)(lian)續(xu)試(shi)(shi)驗(yan)(yan)(yan)，得到(dao)限值和(he)異常情況ACDC電(dian)源(yuan)(yuan)(yuan)模塊(kuai)質量怎(zen)么樣ACDC模塊(kuai)電(dian)源(yuan)(yuan)(yuan)一般(ban)配備多(duo)種輸(shu)入(ru)和(he)輸(shu)出(chu)選項。

模塊電(dian)(dian)源(yuan)同(tong)步(bu)(bu)整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)技(ji)術的(de)(de)(de)上風特點：隨著(zhu)科技(ji)的(de)(de)(de)發展，電(dian)(dian)子產品(pin)對電(dian)(dian)源(yuan)供給器(qi)(qi)的(de)(de)(de)要求越(yue)(yue)來越(yue)(yue)嚴(yan)酷。如(ru)電(dian)(dian)源(yuan)的(de)(de)(de)功(gong)率(lv)密(mi)度賡續進(jin)步(bu)(bu)，對電(dian)(dian)源(yuan)的(de)(de)(de)服(fu)從(cong)越(yue)(yue)來越(yue)(yue)高，對待機(ji)的(de)(de)(de)功(gong)耗要求越(yue)(yue)來越(yue)(yue)低等(deng)。整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)器(qi)(qi)件從(cong)較初的(de)(de)(de)肖特基管整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)發展到使用(yong)同(tong)步(bu)(bu)整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)開(kai)(kai)關管代替二(er)極(ji)管以(yi)降低功(gong)耗。同(tong)步(bu)(bu)整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)技(ji)術的(de)(de)(de)益處是有(you)效(xiao)削減了開(kai)(kai)關電(dian)(dian)源(yuan)輸出端的(de)(de)(de)整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)損耗，進(jin)步(bu)(bu)了轉換服(fu)從(cong)，降低了電(dian)(dian)源(yuan)自(zi)己(ji)的(de)(de)(de)發熱。如(ru)今(jin)有(you)些領域模塊電(dian)(dian)源(yuan)發展趨勢是低電(dian)(dian)壓、大電(dian)(dian)流(liu)(liu)。使得在次(ci)級整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)電(dian)(dian)路(lu)中選(xuan)用(yong)同(tong)步(bu)(bu)整(zheng)(zheng)(zheng)(zheng)流(liu)(liu)技(ji)術成為(wei)(wei)一種高效(xiao)、低損耗的(de)(de)(de)方(fang)法。因為(wei)(wei)功(gong)率(lv)MOSFET的(de)(de)(de)導通電(dian)(dian)阻很低，能(neng)進(jin)步(bu)(bu)電(dian)(dian)源(yuan)服(fu)從(cong)，所以(yi)在采用(yong)隔離Buck電(dian)(dian)路(lu)的(de)(de)(de)DC/DC變換器(qi)(qi)中已開(kai)(kai)始形成產品(pin)。

電(dian)(dian)源(yuan)(yuan)模塊ACDC是(shi)(shi)(shi)(shi)什(shen)(shen)么(me)意思(si)？和(he)DCDC有(you)什(shen)(shen)么(me)區別？AC和(he)DC什(shen)(shen)么(me)意思(si)，有(you)什(shen)(shen)么(me)區別？AC是(shi)(shi)(shi)(shi)英文(wen)AlternatingCurrent的(de)(de)(de)(de)(de)簡寫，中(zhong)文(wen)為(wei)(wei)交(jiao)流電(dian)(dian)。電(dian)(dian)流方(fang)(fang)向隨時間作周(zhou)期性轉變的(de)(de)(de)(de)(de)為(wei)(wei)交(jiao)流電(dian)(dian)，它的(de)(de)(de)(de)(de)較基本的(de)(de)(de)(de)(de)情(qing)勢(shi)是(shi)(shi)(shi)(shi)正(zheng)弦電(dian)(dian)流。AC電(dian)(dian)源(yuan)(yuan)是(shi)(shi)(shi)(shi)指(zhi)為(wei)(wei)負載提供交(jiao)流電(dian)(dian)的(de)(de)(de)(de)(de)能源(yuan)(yuan)設(she)備(bei)，一樣(yang)平常是(shi)(shi)(shi)(shi)指(zhi)交(jiao)流電(dian)(dian)220~250V之間的(de)(de)(de)(de)(de)電(dian)(dian)源(yuan)(yuan)輸入(ru)電(dian)(dian)壓，用(yong)做家用(yong)電(dian)(dian)器(qi)的(de)(de)(de)(de)(de)進入(ru)線，還有(you)工業生產常用(yong)的(de)(de)(de)(de)(de)380V。在我國對(dui)電(dian)(dian)源(yuan)(yuan)有(you)相干(gan)的(de)(de)(de)(de)(de)規(gui)定，動(dong)力電(dian)(dian)電(dian)(dian)源(yuan)(yuan)為(wei)(wei)三相380V、頻率50Hz的(de)(de)(de)(de)(de)交(jiao)流電(dian)(dian)。民用(yong)電(dian)(dian)電(dian)(dian)源(yuan)(yuan)為(wei)(wei)單相220V、頻率50Hz的(de)(de)(de)(de)(de)交(jiao)流電(dian)(dian)。DC是(shi)(shi)(shi)(shi)英文(wen)DirectCurrent的(de)(de)(de)(de)(de)簡寫，中(zhong)文(wen)為(wei)(wei)直流電(dian)(dian)，是(shi)(shi)(shi)(shi)大小和(he)方(fang)(fang)向都不(bu)變的(de)(de)(de)(de)(de)直流電(dian)(dian)。一樣(yang)平常常用(yong)的(de)(de)(de)(de)(de)有(you)3V、6V、9V、12V、24V等幾個常見電(dian)(dian)壓，我們生活中(zhong)的(de)(de)(de)(de)(de)電(dian)(dian)池和(he)充電(dian)(dian)器(qi)就是(shi)(shi)(shi)(shi)較典型(xing)的(de)(de)(de)(de)(de)使(shi)用(yong)了手機網站開發，一樣(yang)平常充電(dian)(dian)器(qi)輸出為(wei)(wei)4.5V左右。ACDC模塊電(dian)(dian)源(yuan)(yuan)容量的(de)(de)(de)(de)(de)容量和(he)電(dian)(dian)感是(shi)(shi)(shi)(shi)成(cheng)正(zheng)比的(de)(de)(de)(de)(de)。

關于模(mo)(mo)(mo)(mo)(mo)塊(kuai)(kuai)(kuai)電(dian)(dian)(dian)源(yuan)外殼(ke)溫(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)的(de)(de)(de)幾點小知識：一、在(zai)模(mo)(mo)(mo)(mo)(mo)塊(kuai)(kuai)(kuai)電(dian)(dian)(dian)源(yuan)的(de)(de)(de)工(gong)作溫(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)題(ti)目上，國(guo)內(nei)和國(guo)外會(hui)有所不同，國(guo)內(nei)廠(chang)(chang)家(jia)常規定為在(zai)某環(huan)境溫(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)范圍內(nei)使(shi)用，而(er)國(guo)外廠(chang)(chang)家(jia)常規定為模(mo)(mo)(mo)(mo)(mo)塊(kuai)(kuai)(kuai)電(dian)(dian)(dian)源(yuan)外殼(ke)溫(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)。另一個(ge)(ge)方面，公(gong)司(si)產品的(de)(de)(de)工(gong)作溫(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)凸(tu)顯了(le)該廠(chang)(chang)家(jia)的(de)(de)(de)埋頭(tou)領域，如有的(de)(de)(de)廠(chang)(chang)家(jia)能完成民用級(ji)(ji)、工(gong)業級(ji)(ji)或級(ji)(ji)等。雖然(ran)用外殼(ke)溫(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)來(lai)衡量模(mo)(mo)(mo)(mo)(mo)塊(kuai)(kuai)(kuai)電(dian)(dian)(dian)源(yuan)的(de)(de)(de)好壞并不正確，但(dan)是(shi)模(mo)(mo)(mo)(mo)(mo)塊(kuai)(kuai)(kuai)就(jiu)仿佛一個(ge)(ge)發(fa)熱(re)(re)源(yuan)，對電(dian)(dian)(dian)路體(ti)系和其它元件(jian)有很大的(de)(de)(de)影響。當模(mo)(mo)(mo)(mo)(mo)塊(kuai)(kuai)(kuai)外殼(ke)溫(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)達到125℃時(shi)，內(nei)部溫(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)較好控(kong)(kong)制在(zai)150℃內(nei)，但(dan)是(shi)這個(ge)(ge)水平對目前來(lai)講是(shi)有難(nan)度(du)(du)(du)(du)(du)(du)(du)的(de)(de)(de)。重(zhong)要緣故原由是(shi)由于模(mo)(mo)(mo)(mo)(mo)塊(kuai)(kuai)(kuai)電(dian)(dian)(dian)源(yuan)小型化，功率密度(du)(du)(du)(du)(du)(du)(du)越(yue)來(lai)越(yue)高(gao)，散(san)熱(re)(re)題(ti)目越(yue)來(lai)越(yue)展現出(chu)來(lai)。二、電(dian)(dian)(dian)源(yuan)越(yue)熱(re)(re)時(shi)發(fa)散(san)出(chu)來(lai)的(de)(de)(de)熱(re)(re)量就(jiu)越(yue)多，因此(ci)，越(yue)來(lai)越(yue)多的(de)(de)(de)模(mo)(mo)(mo)(mo)(mo)塊(kuai)(kuai)(kuai)電(dian)(dian)(dian)源(yuan)廠(chang)(chang)家(jia)選擇(ze)金屬外殼(ke)，可以更好的(de)(de)(de)促進散(san)熱(re)(re)，降低(di)溫(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)。外殼(ke)溫(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)是(shi)和產品內(nei)部器件(jian)溫(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)密切相干(gan)，決定著(zhu)模(mo)(mo)(mo)(mo)(mo)塊(kuai)(kuai)(kuai)的(de)(de)(de)壽命和可靠性(xing)。高(gao)溫(wen)(wen)會(hui)加速元件(jian)老化，控(kong)(kong)制溫(wen)(wen)度(du)(du)(du)(du)(du)(du)(du)范圍百度(du)(du)(du)(du)(du)(du)(du)排行(xing)，可以延伸使(shi)用壽命和削減(jian)故障的(de)(de)(de)發(fa)生。dcdc電(dian)(dian)(dian)源(yuan)模(mo)(mo)(mo)(mo)(mo)塊(kuai)(kuai)(kuai)在(zai)通信(xin)系統中也稱二次電(dian)(dian)(dian)源(yuan)。遼(liao)寧ACDC電(dian)(dian)(dian)源(yuan)模(mo)(mo)(mo)(mo)(mo)塊(kuai)(kuai)(kuai)費用

電(dian)源模(mo)塊(kuai)一般可焊接和插(cha)入直接到電(dian)路(lu)板。內蒙古ACDC電(dian)源模(mo)塊(kuai)產品介(jie)紹

DC-DC轉換(huan)常稱作二(er)(er)極(ji)管(guan)整流(liu)(liu)式(shi)(shi)和(he)異步式(shi)(shi)等。和(he)上篇提(ti)到的(de)(de)正激(ji)體(ti)(ti)例(li)(li)相(xiang)比，因為(wei)未使用變(bian)壓(ya)器(qi)(qi)，一(yi)次(ci)(ci)側和(he)二(er)(er)次(ci)(ci)側并未絕緣。不(bu)(bu)需絕緣時(shi)(shi)(shi)，以不(bu)(bu)使用變(bian)壓(ya)器(qi)(qi)的(de)(de)該體(ti)(ti)例(li)(li)較為(wei)簡(jian)單。Buck體(ti)(ti)例(li)(li)不(bu)(bu)必(bi)(bi)設定變(bian)壓(ya)器(qi)(qi)調整電(dian)(dian)(dian)(dian)壓(ya)，只要行使MOSFET控(kong)(kong)制(zhi)，就可以決定輸(shu)出(chu)電(dian)(dian)(dian)(dian)壓(ya)。因此百度(du)(du)搜(sou)索排行，未必(bi)(bi)會必(bi)(bi)要來自于二(er)(er)次(ci)(ci)側的(de)(de)反饋(kui)。Buck體(ti)(ti)例(li)(li)的(de)(de)特(te)性是電(dian)(dian)(dian)(dian)路構造簡(jian)單，組成(cheng)小功率(lv)電(dian)(dian)(dian)(dian)源(yuan)模塊(kuai)電(dian)(dian)(dian)(dian)路時(shi)(shi)(shi)，成(cheng)本比反激(ji)式(shi)(shi)更有(you)競(jing)爭力。因此，常使用在家(jia)電(dian)(dian)(dian)(dian)產品的(de)(de)微控(kong)(kong)制(zhi)器(qi)(qi)用電(dian)(dian)(dian)(dian)源(yuan)上。但是因為(wei)不(bu)(bu)必(bi)(bi)通過變(bian)壓(ya)器(qi)(qi)，流(liu)(liu)向(xiang)開(kai)關元件的(de)(de)電(dian)(dian)(dian)(dian)流(liu)(liu)比采用反激(ji)體(ti)(ti)例(li)(li)的(de)(de)劃一(yi)輸(shu)出(chu)功率(lv)還(huan)大，只適用于小功率(lv)輸(shu)出(chu)百度(du)(du)網站排名，而(er)無法用于大功率(lv)輸(shu)出(chu)上。模式(shi)(shi)幾乎(hu)和(he)正激(ji)體(ti)(ti)例(li)(li)雷同，只是去掉正激(ji)體(ti)(ti)例(li)(li)的(de)(de)變(bian)壓(ya)器(qi)(qi)，將D1換(huan)成(cheng)MOSFET。MOSFET為(wei)ON時(shi)(shi)(shi)，電(dian)(dian)(dian)(dian)流(liu)(liu)經(jing)過電(dian)(dian)(dian)(dian)感(gan)流(liu)(liu)向(xiang)負載端，同時(shi)(shi)(shi)電(dian)(dian)(dian)(dian)感(gan)也積蓄電(dian)(dian)(dian)(dian)能。此時(shi)(shi)(shi)，二(er)(er)極(ji)管(guan)為(wei)OFF。MOSFET為(wei)OFF時(shi)(shi)(shi)，積蓄在電(dian)(dian)(dian)(dian)感(gan)的(de)(de)電(dian)(dian)(dian)(dian)能經(jing)由二(er)(er)極(ji)管(guan)D2供應至負載端。和(he)正激(ji)轉換(huan)器(qi)(qi)的(de)(de)D1雷同，開(kai)啟或關閉MOSFET。內蒙古ACDC電(dian)(dian)(dian)(dian)源(yuan)模塊(kuai)產品介紹

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