國(guo)(guo)產POE芯片(pian)替代。南(nan)京(jing)國(guo)(guo)博(bo)(bo)(bo)串口(kou)(kou)接(jie)口(kou)(kou)POE通(tong)(tong)信芯片(pian)WS3471,是(shi)一款由鋰(li)電(dian)(dian)池供(gong)(gong)電(dian)(dian),低功耗的(de)RS485芯片(pian)。為(wei)RS485/422雙(shuang)協議。WS3471芯片(pian)對(dui)標MAXIM（美(mei)信）MAX3471。應用(yong)領(ling)(ling)域(yu)(yu)很廣,如國(guo)(guo)網(wang),南(nan)網(wang)的(de)智能(neng)電(dian)(dian)表；電(dian)(dian)池管(guan)理(li)系統（BMS）動態監(jian)測(ce)；安防監(jian)控(kong)(kong)(kong)領(ling)(ling)域(yu)(yu)中(zhong)的(de)智能(neng)云臺,門(men)禁,道閘(zha)系統控(kong)(kong)(kong)制(zhi)；數(shu)據采集(ji)器；工(gong)業自動化(hua)領(ling)(ling)域(yu)(yu)中(zhong)的(de)USB串口(kou)(kou)轉換器,PLC伺服控(kong)(kong)(kong)制(zhi)器；光端(duan)機數(shu)據通(tong)(tong)訊；智能(neng)控(kong)(kong)(kong)制(zhi)面板；共(gong)享單(dan)車分體(ti)(ti)鎖；DTU/RTU無線數(shu)傳(chuan)模(mo)塊等。南(nan)京(jing)國(guo)(guo)博(bo)(bo)(bo)是(shi)一家(jia)(jia)(jia)集(ji)成電(dian)(dian)路(lu)和射頻(pin)微(wei)波模(mo)塊研發(fa)的(de)企業,30年以來(lai),在射頻(pin)微(wei)波集(ji)成電(dian)(dian)路(lu)及(ji)模(mo)塊產品開發(fa)領(ling)(ling)域(yu)(yu)卓(zhuo)有(you)成效(xiao),受(shou)國(guo)(guo)家(jia)(jia)(jia)五部(bu)委(wei)認定為(wei)“國(guo)(guo)家(jia)(jia)(jia)規(gui)劃布局內集(ji)成電(dian)(dian)路(lu)設(she)計企業”。國(guo)(guo)博(bo)(bo)(bo)的(de)芯片(pian)產品在移動通(tong)(tong)信、衛星通(tong)(tong)信等系統、微(wei)波毫米(mi)波通(tong)(tong)信上(shang)均有(you)應用(yong)。國(guo)(guo)博(bo)(bo)(bo)的(de)射頻(pin)技(ji)術產品門(men)類齊全。已通(tong)(tong)過ISO9001國(guo)(guo)際質量管(guan)理(li)體(ti)(ti)系、GB/T28001國(guo)(guo)家(jia)(jia)(jia)職(zhi)業健(jian)康安全管(guan)理(li)體(ti)(ti)系認證、ISO14001國(guo)(guo)際環(huan)境管(guan)理(li)體(ti)(ti)系。深(shen)圳(zhen)市寶能(neng)達公司為(wei)眾多電(dian)(dian)子廠(chang)家(jia)(jia)(jia)和技(ji)術研發(fa)、采購(gou)工(gong)程師提(ti)供(gong)(gong)多家(jia)(jia)(jia)原廠(chang)授(shou)權代理(li)產品,并提(ti)供(gong)(gong)國(guo)(guo)產方案支持！南(nan)京(jing)國(guo)(guo)博(bo)(bo)(bo)接(jie)口(kou)(kou)串口(kou)(kou)通(tong)(tong)信芯片(pian) WS3471。中(zhong)山(shan)TOS收(shou)銀芯片(pian)國(guo)(guo)產品牌

電(dian)(dian)(dian)(dian)(dian)源(yuan)提(ti)供(gong)(gong)(gong)(gong)(gong)設(she)(she)備(bei)：PSE只能(neng)提(ti)供(gong)(gong)(gong)(gong)(gong)一(yi)(yi)種(zhong)用(yong)(yong)法(fa),但是電(dian)(dian)(dian)(dian)(dian)源(yuan)應用(yong)(yong)設(she)(she)備(bei)PD必(bi)須能(neng)夠同(tong)(tong)時適應兩(liang)種(zhong)情況(kuang)。該標(biao)(biao)(biao)準(zhun)(zhun)規定(ding)供(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)源(yuan)通常是48V、13W的(de)。PD設(she)(she)備(bei)提(ti)供(gong)(gong)(gong)(gong)(gong)48V到低電(dian)(dian)(dian)(dian)(dian)壓(ya)的(de)轉(zhuan)換是較容(rong)易的(de),但同(tong)(tong)時應有(you)(you)1500V的(de)絕緣安(an)全電(dian)(dian)(dian)(dian)(dian)壓(ya)。POE供(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)方法(fa)：POE標(biao)(biao)(biao)準(zhun)(zhun)為(wei)使(shi)用(yong)(yong)以太網的(de)傳輸(shu)電(dian)(dian)(dian)(dian)(dian)纜(lan)輸(shu)送,直(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)到POE兼容(rong)的(de)設(she)(she)備(bei)定(ding)義了兩(liang)種(zhong)方法(fa)：POE供(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)中(zhong)間(jian)跨(kua)接(jie)(jie)法(fa)一(yi)(yi)種(zhong)稱作“中(zhong)間(jian)跨(kua)接(jie)(jie)法(fa)”,使(shi)用(yong)(yong)單獨(du)的(de)PoE供(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)設(she)(she)備(bei),跨(kua)接(jie)(jie)在交換機(ji)和(he)具有(you)(you)PoE功(gong)能(neng)的(de)終端(duan)(duan)設(she)(she)備(bei)之(zhi)間(jian),一(yi)(yi)般(ban)是利用(yong)(yong)以太網電(dian)(dian)(dian)(dian)(dian)纜(lan)中(zhong)沒有(you)(you)被使(shi)用(yong)(yong)的(de)空閑線(xian)對(dui)來傳輸(shu)直(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)。POE供(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)末端(duan)(duan)跨(kua)接(jie)(jie)法(fa),是將(jiang)供(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)設(she)(she)備(bei)集(ji)成(cheng)在交換機(ji)中(zhong)信(xin)號的(de)出口端(duan)(duan),這(zhe)類集(ji)成(cheng)連接(jie)(jie)一(yi)(yi)般(ban)都(dou)提(ti)供(gong)(gong)(gong)(gong)(gong)了空閑線(xian)對(dui)和(he)數(shu)(shu)(shu)據線(xian)對(dui)“雙”供(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)功(gong)能(neng)。其中(zhong)數(shu)(shu)(shu)據線(xian)對(dui)采用(yong)(yong)了信(xin)號隔(ge)離變壓(ya)器,并利用(yong)(yong)中(zhong)心抽頭來實現直(zhi)流(liu)供(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)。可以預見(jian)會(hui)迅速(su)得到推(tui)廣(guang),這(zhe)是由(you)于以太網數(shu)(shu)(shu)據與輸(shu)電(dian)(dian)(dian)(dian)(dian)采用(yong)(yong)公用(yong)(yong)線(xian)對(dui),因而省去了需要設(she)(she)置單獨(du)輸(shu)電(dian)(dian)(dian)(dian)(dian)線(xian),這(zhe)對(dui)于只有(you)(you)8芯(xin)的(de)電(dian)(dian)(dian)(dian)(dian)纜(lan)和(he)相配套的(de)標(biao)(biao)(biao)準(zhun)(zhun)RJ-45插座(zuo)意義特(te)別重大。POE供(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)新(xin)(xin)發展：POE供(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)芯(xin)片(pian)(pian)廠商(shang)將(jiang)提(ti)交“大功(gong)率以太網供(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)”標(biao)(biao)(biao)準(zhun)(zhun),該標(biao)(biao)(biao)準(zhun)(zhun)將(jiang)支持為(wei)筆記(ji)本(ben)電(dian)(dian)(dian)(dian)(dian)腦等設(she)(she)備(bei)供(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)。建議(yi)把、13w的(de)可用(yong)(yong)功(gong)率極限(xian)提(ti)高1倍。除筆記(ji)本(ben)電(dian)(dian)(dian)(dian)(dian)腦外,新(xin)(xin)標(biao)(biao)(biao)準(zhun)(zhun)還(huan)有(you)(you)可能(neng)為(wei)液晶(jing)顯示器和(he)視頻電(dian)(dian)(dian)(dian)(dian)話等供(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)。IEEE出了一(yi)(yi)個新(xin)(xin)的(de)。POE供(gong)(gong)(gong)(gong)(gong)電(dian)(dian)(dian)(dian)(dian)區分(fen)標(biao)(biao)(biao)PoE和(he)非標(biao)(biao)(biao)準(zhun)(zhun):很簡單。上海PLC伺服(fu)控制器芯(xin)片(pian)(pian)供(gong)(gong)(gong)(gong)(gong)應商(shang)南京國博接(jie)(jie)口串口芯(xin)片(pian)(pian)/通信(xin)芯(xin)片(pian)(pian)WS3085N描述(shu)：半雙工協議(yi)RS485/422、VCC=5V、500Kbps、無極性。

國(guo)產(chan)(chan)替代芯片(pian)4通路(lu)和8通路(lu)電(dian)(dian)(dian)(dian)源送電(dian)(dian)(dian)(dian)設(she)備(bei)；（PSE）電(dian)(dian)(dian)(dian)源控(kong)制器(qi)XS2180,XS2184。這兩款芯片(pian)是(shi)專(zhuan)為符合(he)IEEE802.3at/af及兼(jian)容的PSE設(she)備(bei)而(er)設(she)計的。深圳市寶能達科技發展有(you)(you)限公司是(shi)一家(jia)專(zhuan)業IC芯片(pian)代理企(qi)業,公司專(zhuan)注于POE芯片(pian)的國(guo)產(chan)(chan)替代,并擁(yong)有(you)(you)國(guo)產(chan)(chan)方案支持。這里推薦一種國(guo)產(chan)(chan)PIN對MAX5980的PSE電(dian)(dian)(dian)(dian)源控(kong)制器(qi)。IP804A是(shi)一款4端(duan)口PSE(PowerSourcingEquipment)控(kong)制器(qi)IC,可以用在PoE(PoweroverEthernet)系統(tong)。這款芯片(pian)將電(dian)(dian)(dian)(dian)源、邏(luo)輯電(dian)(dian)(dian)(dian)路(lu)和模擬電(dian)(dian)(dian)(dian)路(lu)都(dou)集成到一個芯片(pian)中,在Midcap和EndpointPSE中廣為應用。POE芯片(pian)P804A符合(he)IEEE802.3AF-2003的所有(you)(you)要(yao)求如(ru)PD分類(lei)、多點(dian)電(dian)(dian)(dian)(dian)阻檢測(ce)、DC斷開、中帽回退等(deng)。它(ta)還(huan)能滿足(zu)所有(you)(you)IEEE802.3AT-2009要(yao)求,如(ru)雙事件(jian)分類(lei)和每個端(duan)口提供36W。現在國(guo)產(chan)(chan)芯片(pian)替代正在興(xing)起,國(guo)產(chan)(chan)POE芯片(pian)已經成為眾多廠家(jia)的理想(xiang)選擇。

國(guo)(guo)(guo)產POE芯(xin)片(pian)南京國(guo)(guo)(guo)博WS3220E/21E/22E/32E/23E/43F/213E替(ti)代進口芯(xin)片(pian)系(xi)列。國(guo)(guo)(guo)產串口/接(jie)(jie)口/POE通信芯(xin)片(pian)替(ti)代進口。POE芯(xin)片(pian)型號(hao)描述(shu)：①WS3221E,3.3V~5V工作電壓(ya)(ya),接(jie)(jie)收(shou)(shou)器(qi)(qi)(qi)使能控(kong)制,1個(ge)(ge)接(jie)(jie)收(shou)(shou)器(qi)(qi)(qi),1個(ge)(ge)驅(qu)動(dong)(dong)器(qi)(qi)(qi),具有(you)(you)(you)關斷(duan)功能,自動(dong)(dong)待(dai)機(ji)功能,傳(chuan)(chuan)輸速(su)率為250Kbps,對(dui)標(biao)替(ti)代TRS3221E、SP3221EMAX3221E3。②WS3220E,3.3V--5V工作電壓(ya)(ya),接(jie)(jie)收(shou)(shou)器(qi)(qi)(qi)使能控(kong)制,1個(ge)(ge)接(jie)(jie)收(shou)(shou)器(qi)(qi)(qi),1個(ge)(ge)驅(qu)動(dong)(dong)器(qi)(qi)(qi),具有(you)(you)(you)關斷(duan)功能,傳(chuan)(chuan)輸速(su)為250Kbps。對(dui)標(biao)替(ti)代:TRS3220E、MAX3220E,ADM3220E。③WS3232E,3.3V~5V工作電壓(ya)(ya),2個(ge)(ge)接(jie)(jie)收(shou)(shou)器(qi)(qi)(qi),2個(ge)(ge)驅(qu)動(dong)(dong)器(qi)(qi)(qi),傳(chuan)(chuan)輸速(su)率為250Kbps,對(dui)標(biao)替(ti)代TRS3222E、SP3232E、MAX3222E、ADM3222E、ICL3222E。④WS3222E,3.3V~5V工作電壓(ya)(ya),2個(ge)(ge)接(jie)(jie)收(shou)(shou)器(qi)(qi)(qi),2個(ge)(ge)驅(qu)動(dong)(dong)器(qi)(qi)(qi),接(jie)(jie)收(shou)(shou)器(qi)(qi)(qi)使能控(kong)制,具有(you)(you)(you)關斷(duan)功能,傳(chuan)(chuan)輸速(su)率為250Kbps對(dui)標(biao)替(ti)代TRS3222E、SP3222E4。MP8007,現貨國(guo)(guo)(guo)產替(ti)代，帶 PD 接(jie)(jie)口的全集成(cheng) 802.3af 以太網受電設備，集成(cheng) 13W 原邊調(diao)節(jie)反激/降壓(ya)(ya)轉換器(qi)(qi)(qi)。

lJW5805A/B是(shi)(shi)一(yi)(yi)款集成(cheng)（PD）和(he)DCDC變(bian)換(huan)器(qi)(qi)的(de)(de)(de)電(dian)(dian)源(yuan)解決方案。它包(bao)含(han)了一(yi)(yi)個(ge)PD接口和(he)一(yi)(yi)個(ge)隔(ge)(ge)離(li)式/非隔(ge)(ge)離(li)式反(fan)激變(bian)換(huan)器(qi)(qi),完美(mei)PIN對(dui)美(mei)國芯源(yuan)的(de)(de)(de)MP8004,MP8004是(shi)(shi)一(yi)(yi)款。PD接口包(bao)含(han)檢(jian)測、分類功(gong)能,以(yi)(yi)(yi)(yi)及(ji)一(yi)(yi)個(ge)100V耐(nai)壓的(de)(de)(de)開關管。開關的(de)(de)(de)浪涌電(dian)(dian)流限制(zhi)功(gong)能,可(ke)(ke)以(yi)(yi)(yi)(yi)緩慢地給DCDC輸(shu)入電(dian)(dian)容(rong)充(chong)電(dian)(dian),是(shi)(shi)其(qi)不(bu)會因(yin)為(wei)芯片發(fa)熱而中(zhong)(zhong)斷。DC/DC變(bian)換(huan)器(qi)(qi)包(bao)含(han)了一(yi)(yi)個(ge)150V功(gong)率(lv)開關管,可(ke)(ke)高效轉換(huan)13W輸(shu)出功(gong)率(lv)。它具有內部軟啟(qi)動和(he)自(zi)動重試功(gong)能。此外(wai),具有過(guo)流保(bao)(bao)護(hu)、短路(lu)(lu)保(bao)(bao)護(hu)和(he)過(guo)壓保(bao)(bao)護(hu)功(gong)能。它還具有跳頻功(gong)能,使其(qi)在(zai)輕載(zai)時(shi)也有很好(hao)的(de)(de)(de)負載(zai)調整(zheng)率(lv)。在(zai)PoE系(xi)統中(zhong)(zhong),提供電(dian)(dian)力(li)的(de)(de)(de)叫做“供電(dian)(dian)設(she)(she)備(bei)”。隨著網絡的(de)(de)(de)發(fa)展,網絡設(she)(she)備(bei)越來(lai)越多。無論是(shi)(shi)買一(yi)(yi)臺*簡單的(de)(de)(de)五口Hub還是(shi)(shi)一(yi)(yi)套無線(xian)AP路(lu)(lu)由器(qi)(qi),附件中(zhong)(zhong)都(dou)會包(bao)括一(yi)(yi)個(ge)方頭(tou)方腦、傻(sha)大黑(hei)粗的(de)(de)(de)AC變(bian)電(dian)(dian)器(qi)(qi)。但是(shi)(shi)我(wo)們日常(chang)使用的(de)(de)(de)固定電(dian)(dian)話(hua)(hua)機卻不(bu)用,因(yin)為(wei)電(dian)(dian)話(hua)(hua)線(xian)本身是(shi)(shi)帶(dai)電(dian)(dian)的(de)(de)(de),足(zu)以(yi)(yi)(yi)(yi)支(zhi)持話(hua)(hua)機的(de)(de)(de)功(gong)率(lv)需要(yao)。既然電(dian)(dian)話(hua)(hua)機的(de)(de)(de)例子表明通過(guo)一(yi)(yi)條(tiao)通訊線(xian)路(lu)(lu)同(tong)時(shi)供電(dian)(dian)是(shi)(shi)切(qie)實可(ke)(ke)行的(de)(de)(de)。由此PoE（以(yi)(yi)(yi)(yi)太(tai)網供電(dian)(dian)）技(ji)(ji)術應運而生。以(yi)(yi)(yi)(yi)太(tai)網供電(dian)(dian)技(ji)(ji)術的(de)(de)(de)出發(fa)點非常(chang)簡單,就是(shi)(shi)讓(rang)IP電(dian)(dian)話(hua)(hua)、WLAN接入點、網絡攝像頭(tou)等小(xiao)型網絡設(she)(she)備(bei),可(ke)(ke)以(yi)(yi)(yi)(yi)直接從以(yi)(yi)(yi)(yi)太(tai)網線(xian)（4對(dui)雙絞線(xian)中(zhong)(zhong)空(kong)閑的(de)(de)(de)2對(dui)來(lai)傳輸(shu)）獲得電(dian)(dian)力(li),無需單獨鋪設(she)(she)電(dian)(dian)力(li)線(xian),以(yi)(yi)(yi)(yi)簡化系(xi)統布線(xian)。在(zai)PoE系(xi)統中(zhong)(zhong)。TI/德州儀(yi)器(qi)(qi) 以(yi)(yi)(yi)(yi)太(tai)網供電(dian)(dian)控(kong)制(zhi)器(qi)(qi)(POE)?TPS2378DDAR 現貨替代，一(yi)(yi)級代理。中(zhong)(zhong)山TOS收銀(yin)芯片國產品牌

半雙工接口(kou)串(chuan)口(kou)通信芯(xin)片SP3082E。中(zhong)山TOS收銀芯(xin)片國產品牌(pai)

MAX5980是(shi)一款四通路的(de)電(dian)(dian)源(yuan)送電(dian)(dian)設(she)備(bei)(bei)（PSE）電(dian)(dian)源(yuan)控制(zhi)器(qi)。這(zhe)是(shi)一款國產(chan)POE網絡交(jiao)換機設(she)計(ji)方(fang)案(an)XS2180,PSE的(de)控制(zhi)芯(xin)片(pian)(pian)，直接替換美信的(de)MAX5980；TPS2378DDA以太(tai)網供電(dian)(dian)控制(zhi)器(qi)（POE）TPS2378具(ju)(ju)有一個輔(fu)助(zhu)電(dian)(dian)源(yuan)檢(jian)測(ce)(APD)輸入，可(ke)優(you)先連接外(wai)部電(dian)(dian)源(yuan)適配(pei)器(qi)。這(zhe)款芯(xin)片(pian)(pian)是(shi)專為符(fu)合IEEE802.3at/af及兼容的(de)PSE設(she)備(bei)(bei)而設(she)計(ji)的(de)。該芯(xin)片(pian)(pian)支(zhi)持單電(dian)(dian)源(yuan)供電(dian)(dian)，每個端口(kou)（第五類啟(qi)用）可(ke)提(ti)供高達70W的(de)功率，并(bing)可(ke)提(ti)供對后端原有受電(dian)(dian)設(she)備(bei)(bei)的(de)高容抗(kang)檢(jian)測(ce)。該芯(xin)片(pian)(pian)還具(ju)(ju)有100V導通晶體(ti)管，140mA浪涌電(dian)(dian)流限制(zhi)，自動(dong)重試故(gu)障保護，2類指示，以及開漏電(dian)(dian)源(yuan)正常(chang)狀態(tai)輸出。JW5803替代TPS2378,并(bing)有國產(chan)方(fang)案(an)支(zhi)持中山TOS收(shou)銀芯(xin)片(pian)(pian)國產(chan)品牌

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