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SM8S系列TVS二極管,可通過汽車拋負載測試

Update time:2019-05-09 Source :njkaiwei.cn

汽(qi)(qi)車(che),作為(wei)一款與人(ren)們生命息息相(xiang)關的(de)產品,其安全性(xing)是所有人(ren)重點關注的(de)問題,尤(you)其是汽(qi)(qi)車(che)工(gong)程(cheng)(cheng)師。汽(qi)(qi)車(che)行業的(de)高速發(fa)展(zhan),不斷引入了新的(de)功能(neng)和(he)特性(xing),智(zhi)能(neng)化、總線化、集成(cheng)化、微型化、數字網絡(luo)化和(he)節能(neng)環保(bao)成(cheng)為(wei)了汽(qi)(qi)車(che)發(fa)展(zhan)的(de)主導方向。從(cong)儀(yi)表盤到車(che)燈,從(cong)動(dong)力(li)總成(cheng)系統到高級輔助駕駛,個性(xing)化駕駛習慣和(he)不確定(ding)的(de)工(gong)作環境,迫使汽(qi)(qi)車(che)工(gong)程(cheng)(cheng)師不得不考慮更(geng)先進、高級的(de)電路保(bao)護設計方案為(wei)汽(qi)(qi)車(che)正(zheng)常運行保(bao)駕護航。特別(bie)是,國家大力(li)倡導的(de)新能(neng)源汽(qi)(qi)車(che)領域,從(cong)未如此依賴高性(xing)能(neng)的(de)汽(qi)(qi)車(che)電路保(bao)護技術。

為了(le)能夠讓(rang)汽(qi)(qi)(qi)車(che)(che)制造(zao)商及其他相關領(ling)(ling)域供應商在一(yi)定范圍內,提供高可靠的(de)產品,國際標(biao)準組織(zhi)以及相關單位制定了(le)一(yi)系(xi)列標(biao)準來(lai)(lai)保障汽(qi)(qi)(qi)車(che)(che)的(de)安全和(he)性(xing)能,比如(ru)汽(qi)(qi)(qi)車(che)(che)級大功率TVS二極管(guan)SM8S系(xi)列,要(yao)通過ISO7637測試標(biao)準。接下來(lai)(lai),攜手電(dian)路(lu)器件保護領(ling)(ling)導(dao)者——東沃(wo)電(dian)子,深入探討“汽(qi)(qi)(qi)車(che)(che)拋(pao)負載”這個問題。

汽車拋負載 (1).jpg

何為汽(qi)車拋負載?

東沃電(dian)(dian)(dian)(dian)(dian)子汽(qi)車(che)(che)(che)電(dian)(dian)(dian)(dian)(dian)路保(bao)護電(dian)(dian)(dian)(dian)(dian)子工(gong)程(cheng)(cheng)師陳(chen)工(gong)介紹,汽(qi)車(che)(che)(che)電(dian)(dian)(dian)(dian)(dian)子化、信息化發(fa)(fa)展,使(shi)得汽(qi)車(che)(che)(che)系統在(zai)設(she)計中(zhong)面臨愈來愈多的技術挑戰,其中(zhong),各種(zhong)電(dian)(dian)(dian)(dian)(dian)氣(qi)危害(hai)的保(bao)護是(shi)汽(qi)車(che)(che)(che)工(gong)程(cheng)(cheng)師需要(yao)重點(dian)考(kao)慮的問題,汽(qi)車(che)(che)(che)拋(pao)負載就(jiu)是(shi)一(yi)個典型的案例。汽(qi)車(che)(che)(che)系統的供電(dian)(dian)(dian)(dian)(dian)來源于發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機和(he)蓄(xu)電(dian)(dian)(dian)(dian)(dian)池(chi),在(zai)各個電(dian)(dian)(dian)(dian)(dian)子控制(zhi)單元(yuan)和(he)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機之間(jian),都(dou)會有一(yi)個蓄(xu)電(dian)(dian)(dian)(dian)(dian)池(chi)。汽(qi)車(che)(che)(che)正常(chang)(chang)行走時,發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機是(shi)給(gei)蓄(xu)電(dian)(dian)(dian)(dian)(dian)池(chi)充電(dian)(dian)(dian)(dian)(dian),但是(shi)當發(fa)(fa)生(sheng)(sheng)瞬變狀況時,如線路接觸不(bu)良或(huo)老(lao)化,這(zhe)時發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機就(jiu)會給(gei)終端路口產生(sheng)(sheng)一(yi)個高(gao)壓浪(lang)涌電(dian)(dian)(dian)(dian)(dian)壓,持續時間(jian)非常(chang)(chang)長,會對終端各個電(dian)(dian)(dian)(dian)(dian)子控制(zhi)單元(yuan)造成損害(hai),這(zhe)種(zhong)情況的發(fa)(fa)生(sheng)(sheng)我們稱為汽(qi)車(che)(che)(che)拋(pao)負載。

為(wei)此,如何解決汽(qi)車拋負載這個問題,成為(wei)了汽(qi)車工(gong)程師和電路器(qi)件保護制造商重點考慮的(de)工(gong)作內容(rong)。

7637-5A5B測試.jpg

如何做好汽車拋(pao)負載(zai)保護?

針(zhen)對汽(qi)車(che)(che)系(xi)統中(zhong)電(dian)(dian)路產生的種(zhong)種(zhong)威脅,如何(he)做(zuo)到(dao)有效(xiao)保護(hu)(hu)又(you)不(bu)影(ying)響(xiang)汽(qi)車(che)(che)供(gong)電(dian)(dian),就需要(yao)(yao)在電(dian)(dian)路中(zhong)做(zuo)一些保護(hu)(hu)措(cuo)施(shi)。東沃電(dian)(dian)子陳工表示:“汽(qi)車(che)(che)拋負載,主要(yao)(yao)受(shou)瞬(shun)態電(dian)(dian)壓、內阻、和持(chi)續時間(jian)三大因素影(ying)響(xiang),為此,如何(he)通過保護(hu)(hu)措(cuo)施(shi)控制這三者之間(jian)的綜(zong)合影(ying)響(xiang),是關鍵!”

目前,市面上,做汽(qi)車電子(zi)(zi)產品保護器件的(de)供應商(shang)越來越多了,由于不熟悉標準(zhun),或在汽(qi)車電源保護設(she)計(ji)方面沒有設(she)計(ji)和(he)實戰經(jing)驗,使得產品在可(ke)靠性實驗室屢次測試遭失敗或在整(zheng)車上失效,這點(dian)引起了東(dong)沃(wo)電子(zi)(zi)的(de)極大關注,經(jing)過團隊的(de)建設(she)、潛心的(de)學習和(he)實踐(jian),推出(chu)了一(yi)些汽(qi)車電源保護設(she)計(ji)方案,讓您的(de)電路更(geng)安全(quan)放心。

TVS二極管SM8S.jpg

東沃拋負載保(bao)護(hu)方案為汽車護(hu)航(hang)

作(zuo)為業內口(kou)碑好的(de)(de)電(dian)(dian)路(lu)保(bao)(bao)(bao)護元器件提(ti)供商,東沃電(dian)(dian)子(zi)(zi),在(zai)汽(qi)車(che)電(dian)(dian)子(zi)(zi)保(bao)(bao)(bao)護方面一直保(bao)(bao)(bao)持著專業、領先、卓越的(de)(de)優勢,尤其是在(zai)汽(qi)車(che)拋負(fu)載(zai)保(bao)(bao)(bao)護中,有口(kou)皆碑的(de)(de)就是TVS二極(ji)管(guan)保(bao)(bao)(bao)護方案,也是汽(qi)車(che)電(dian)(dian)子(zi)(zi)行業內主流的(de)(de)拋負(fu)載(zai)保(bao)(bao)(bao)護方案。隨著國內對汽(qi)車(che)EMC要求(qiu)越來越規(gui)范和嚴格,普通的(de)(de)TVS管(guan)保(bao)(bao)(bao)護不足以(yi)滿足汽(qi)車(che)制造商的(de)(de)要求(qiu),東沃電(dian)(dian)子(zi)(zi)推出的(de)(de)汽(qi)車(che)級(ji)、雙芯片、三芯片TVS二極(ji)管(guan),能夠滿足客戶差異化需求(qiu)。

東(dong)沃(wo)電(dian)(dian)子,專業的(de)(de)(de)保護器件生產(chan)和應用經(jing)驗,在TVS管上(shang)面(mian)的(de)(de)(de)研究和技(ji)術積累(lei),能(neng)夠輕松滿足汽(qi)(qi)車拋(pao)負載保護需求,只為(wei)您的(de)(de)(de)電(dian)(dian)路更安全。在汽(qi)(qi)車電(dian)(dian)子方面(mian),東(dong)沃(wo)電(dian)(dian)子提(ti)供(gong)從200W到(dao)30000W的(de)(de)(de)tvs管,是業內為(wei)數不多能(neng)提(ti)供(gong)大功率拋(pao)負載保護tvs管供(gong)應商之(zhi)一。東(dong)沃(wo)電(dian)(dian)子工程師(shi)陳工表(biao)示(shi):“在一輛汽(qi)(qi)車之(zhi)中,會用到(dao)幾十個tvs二極管,汽(qi)(qi)車電(dian)(dian)子,一直是東(dong)沃(wo)電(dian)(dian)子重(zhong)點投入(ru)、研究的(de)(de)(de)對象(xiang)。隨著(zhu)汽(qi)(qi)車市(shi)場(chang)的(de)(de)(de)快速(su)發展,以及(ji)汽(qi)(qi)車電(dian)(dian)子日益提(ti)升,必(bi)然(ran)會給東(dong)沃(wo)電(dian)(dian)子帶來無限的(de)(de)(de)發展空間。做電(dian)(dian)路器件保護,東(dong)沃(wo)電(dian)(dian)子,是專業認真的(de)(de)(de)!”

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