国(guo)(guo)(guo)(guo)(guo)产(chan)POE芯(xin)(xin)片(pian)(pian)替(ti)代(dai)。南(nan)(nan)京国(guo)(guo)(guo)(guo)(guo)博串(chuan)(chuan)口(kou)接(jie)口(kou)POE通(tong)(tong)信芯(xin)(xin)片(pian)(pian)WS3471,是(shi)一(yi)款(kuan)由锂电(dian)池供电(dian),低功耗的(de)(de)RS485芯(xin)(xin)片(pian)(pian)。为RS485/422双协(xie)议。WS3471芯(xin)(xin)片(pian)(pian)对标(biao)MAXIM（美信）MAX3471。应用领域(yu)(yu)(yu)很广,如国(guo)(guo)(guo)(guo)(guo)网(wang),南(nan)(nan)网(wang)的(de)(de)智能(neng)(neng)电(dian)表；电(dian)池管(guan)理(li)(li)系(xi)(xi)统(tong)（BMS）动(dong)态监测；安防监控(kong)(kong)领域(yu)(yu)(yu)中(zhong)的(de)(de)智能(neng)(neng)云(yun)台,门禁(jin),道闸系(xi)(xi)统(tong)控(kong)(kong)制；数据采集(ji)器；工(gong)(gong)业(ye)(ye)自动(dong)化领域(yu)(yu)(yu)中(zhong)的(de)(de)USB串(chuan)(chuan)口(kou)转(zhuan)换器,PLC伺服(fu)控(kong)(kong)制器；光端机(ji)数据通(tong)(tong)讯；智能(neng)(neng)控(kong)(kong)制面(mian)板；共(gong)享(xiang)单车分(fen)体锁(suo)；DTU/RTU无(wu)线(xian)数传模(mo)块等(deng)。南(nan)(nan)京国(guo)(guo)(guo)(guo)(guo)博是(shi)一(yi)家(jia)集(ji)成(cheng)电(dian)路和(he)射频微波(bo)(bo)模(mo)块研(yan)发的(de)(de)企业(ye)(ye),30年以(yi)来,在(zai)射频微波(bo)(bo)集(ji)成(cheng)电(dian)路及模(mo)块产(chan)品(pin)(pin)开发领域(yu)(yu)(yu)卓(zhuo)有(you)成(cheng)效,受国(guo)(guo)(guo)(guo)(guo)家(jia)五部委(wei)认(ren)定为“国(guo)(guo)(guo)(guo)(guo)家(jia)规划(hua)布局(ju)内集(ji)成(cheng)电(dian)路设(she)计企业(ye)(ye)”。国(guo)(guo)(guo)(guo)(guo)博的(de)(de)芯(xin)(xin)片(pian)(pian)产(chan)品(pin)(pin)在(zai)移动(dong)通(tong)(tong)信、卫星通(tong)(tong)信等(deng)系(xi)(xi)统(tong)、微波(bo)(bo)毫米(mi)波(bo)(bo)通(tong)(tong)信上均(jun)有(you)应用。国(guo)(guo)(guo)(guo)(guo)博的(de)(de)射频技术产(chan)品(pin)(pin)门类齐全(quan)。已通(tong)(tong)过ISO9001国(guo)(guo)(guo)(guo)(guo)际质(zhi)量管(guan)理(li)(li)体系(xi)(xi)、GB/T28001国(guo)(guo)(guo)(guo)(guo)家(jia)职业(ye)(ye)健康(kang)安全(quan)管(guan)理(li)(li)体系(xi)(xi)认(ren)证、ISO14001国(guo)(guo)(guo)(guo)(guo)际环(huan)境(jing)管(guan)理(li)(li)体系(xi)(xi)。深圳市宝能(neng)(neng)达公(gong)司为众多电(dian)子厂家(jia)和(he)技术研(yan)发、采购工(gong)(gong)程(cheng)师提(ti)供多家(jia)原(yuan)厂授权代(dai)理(li)(li)产(chan)品(pin)(pin),并提(ti)供国(guo)(guo)(guo)(guo)(guo)产(chan)方案支持！南(nan)(nan)京国(guo)(guo)(guo)(guo)(guo)博接(jie)口(kou)串(chuan)(chuan)口(kou)通(tong)(tong)信芯(xin)(xin)片(pian)(pian) WS3471。中(zhong)山TOS收银芯(xin)(xin)片(pian)(pian)国(guo)(guo)(guo)(guo)(guo)产(chan)品(pin)(pin)牌(pai)

电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源提(ti)(ti)(ti)供(gong)(gong)(gong)设(she)备：PSE只能(neng)提(ti)(ti)(ti)供(gong)(gong)(gong)一(yi)种(zhong)用(yong)(yong)(yong)法,但(dan)是(shi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源应(ying)用(yong)(yong)(yong)设(she)备PD必须能(neng)够同时适应(ying)两种(zhong)情况(kuang)。该(gai)标(biao)准(zhun)规(gui)定(ding)供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源通(tong)常是(shi)48V、13W的(de)(de)(de)。PD设(she)备提(ti)(ti)(ti)供(gong)(gong)(gong)48V到(dao)低电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压的(de)(de)(de)转换是(shi)较容(rong)易的(de)(de)(de),但(dan)同时应(ying)有(you)1500V的(de)(de)(de)绝缘(yuan)安全电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压。POE供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)方法：POE标(biao)准(zhun)为(wei)使用(yong)(yong)(yong)以(yi)太网(wang)的(de)(de)(de)传(chuan)输(shu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)输(shu)送,直(zhi)流电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)到(dao)POE兼容(rong)的(de)(de)(de)设(she)备定(ding)义了(le)两种(zhong)方法：POE供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)中(zhong)(zhong)间跨(kua)(kua)接(jie)(jie)法一(yi)种(zhong)称作“中(zhong)(zhong)间跨(kua)(kua)接(jie)(jie)法”,使用(yong)(yong)(yong)单独的(de)(de)(de)PoE供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)设(she)备,跨(kua)(kua)接(jie)(jie)在交(jiao)换机和具(ju)有(you)PoE功(gong)(gong)(gong)能(neng)的(de)(de)(de)终端设(she)备之间,一(yi)般是(shi)利(li)用(yong)(yong)(yong)以(yi)太网(wang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)中(zhong)(zhong)没有(you)被使用(yong)(yong)(yong)的(de)(de)(de)空闲线对来传(chuan)输(shu)直(zhi)流电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。POE供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)末端跨(kua)(kua)接(jie)(jie)法,是(shi)将(jiang)供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)设(she)备集成在交(jiao)换机中(zhong)(zhong)信(xin)(xin)(xin)号(hao)的(de)(de)(de)出口(kou)端,这(zhei)类(lei)集成连接(jie)(jie)一(yi)般都(dou)提(ti)(ti)(ti)供(gong)(gong)(gong)了(le)空闲线对和数据(ju)线对“双”供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)功(gong)(gong)(gong)能(neng)。其中(zhong)(zhong)数据(ju)线对采用(yong)(yong)(yong)了(le)信(xin)(xin)(xin)号(hao)隔离变(bian)压器(qi),并利(li)用(yong)(yong)(yong)中(zhong)(zhong)心抽头来实现直(zhi)流供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。可以(yi)预见会迅速得(de)到(dao)推广,这(zhei)是(shi)由于(yu)以(yi)太网(wang)数据(ju)与输(shu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)采用(yong)(yong)(yong)公(gong)用(yong)(yong)(yong)线对,因而省去了(le)需要设(she)置(zhi)单独输(shu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)线,这(zhei)对于(yu)只有(you)8芯(xin)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)和相配套(tao)的(de)(de)(de)标(biao)准(zhun)RJ-45插座意义特别(bie)重大。POE供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)新(xin)发展(zhan)：POE供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)片厂商(shang)将(jiang)提(ti)(ti)(ti)交(jiao)“大功(gong)(gong)(gong)率以(yi)太网(wang)供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)”标(biao)准(zhun),该(gai)标(biao)准(zhun)将(jiang)支持(chi)为(wei)笔(bi)记本(ben)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)脑等设(she)备供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。建(jian)议把、13w的(de)(de)(de)可用(yong)(yong)(yong)功(gong)(gong)(gong)率极限提(ti)(ti)(ti)高1倍(bei)。除(chu)笔(bi)记本(ben)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)脑外,新(xin)标(biao)准(zhun)还有(you)可能(neng)为(wei)液晶(jing)显示器(qi)和视频电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)话等供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。IEEE出了(le)一(yi)个新(xin)的(de)(de)(de)。POE供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)区分标(biao)PoE和非(fei)标(biao)准(zhun):很(hen)简(jian)单。上海(hai)PLC伺服控制器(qi)芯(xin)片供(gong)(gong)(gong)应(ying)商(shang)南(nan)京国博接(jie)(jie)口(kou)串(chuan)口(kou)芯(xin)片/通(tong)信(xin)(xin)(xin)芯(xin)片WS3085N描述：半双工协议RS485/422、VCC=5V、500Kbps、无极性。

国(guo)产替代芯片(pian)(pian)(pian)4通路(lu)和8通路(lu)电(dian)(dian)源(yuan)送电(dian)(dian)设备；（PSE）电(dian)(dian)源(yuan)控制(zhi)器XS2180,XS2184。这两款(kuan)芯片(pian)(pian)(pian)是专为(wei)符合(he)IEEE802.3at/af及兼容的(de)(de)PSE设备而设计的(de)(de)。深圳(zhen)市宝能达科(ke)技发展有(you)(you)限公司(si)是一(yi)(yi)家(jia)专业IC芯片(pian)(pian)(pian)代理企业,公司(si)专注(zhu)于POE芯片(pian)(pian)(pian)的(de)(de)国(guo)产替代,并拥有(you)(you)国(guo)产方案(an)支持(chi)。这里推荐一(yi)(yi)种国(guo)产PIN对MAX5980的(de)(de)PSE电(dian)(dian)源(yuan)控制(zhi)器。IP804A是一(yi)(yi)款(kuan)4端口PSE(PowerSourcingEquipment)控制(zhi)器IC,可(ke)以用(yong)在PoE(PoweroverEthernet)系统(tong)。这款(kuan)芯片(pian)(pian)(pian)将电(dian)(dian)源(yuan)、逻辑电(dian)(dian)路(lu)和模拟(ni)电(dian)(dian)路(lu)都(dou)集成到一(yi)(yi)个(ge)芯片(pian)(pian)(pian)中(zhong),在Midcap和EndpointPSE中(zhong)广为(wei)应用(yong)。POE芯片(pian)(pian)(pian)P804A符合(he)IEEE802.3AF-2003的(de)(de)所有(you)(you)要(yao)求(qiu)如PD分类、多点电(dian)(dian)阻检测、DC断开(kai)、中(zhong)帽回(hui)退(tui)等。它还能满足所有(you)(you)IEEE802.3AT-2009要(yao)求(qiu),如双事件分类和每个(ge)端口提供36W。现在国(guo)产芯片(pian)(pian)(pian)替代正在兴起,国(guo)产POE芯片(pian)(pian)(pian)已经成为(wei)众多厂家(jia)的(de)(de)理想(xiang)选择。

国(guo)产(chan)(chan)POE芯(xin)片南京国(guo)博WS3220E/21E/22E/32E/23E/43F/213E替(ti)(ti)代(dai)(dai)进口(kou)(kou)芯(xin)片系(xi)列。国(guo)产(chan)(chan)串口(kou)(kou)/接(jie)口(kou)(kou)/POE通信(xin)芯(xin)片替(ti)(ti)代(dai)(dai)进口(kou)(kou)。POE芯(xin)片型(xing)号描(miao)述：①WS3221E,3.3V~5V工作(zuo)电(dian)压(ya),接(jie)收(shou)器(qi)(qi)(qi)使(shi)能(neng)控制(zhi),1个(ge)接(jie)收(shou)器(qi)(qi)(qi),1个(ge)驱动器(qi)(qi)(qi),具(ju)有关(guan)断(duan)功(gong)能(neng),自(zi)动待机功(gong)能(neng),传输速率(lv)为(wei)250Kbps,对(dui)(dui)标(biao)(biao)(biao)替(ti)(ti)代(dai)(dai)TRS3221E、SP3221EMAX3221E3。②WS3220E,3.3V--5V工作(zuo)电(dian)压(ya),接(jie)收(shou)器(qi)(qi)(qi)使(shi)能(neng)控制(zhi),1个(ge)接(jie)收(shou)器(qi)(qi)(qi),1个(ge)驱动器(qi)(qi)(qi),具(ju)有关(guan)断(duan)功(gong)能(neng),传输速为(wei)250Kbps。对(dui)(dui)标(biao)(biao)(biao)替(ti)(ti)代(dai)(dai):TRS3220E、MAX3220E,ADM3220E。③WS3232E,3.3V~5V工作(zuo)电(dian)压(ya),2个(ge)接(jie)收(shou)器(qi)(qi)(qi),2个(ge)驱动器(qi)(qi)(qi),传输速率(lv)为(wei)250Kbps,对(dui)(dui)标(biao)(biao)(biao)替(ti)(ti)代(dai)(dai)TRS3222E、SP3232E、MAX3222E、ADM3222E、ICL3222E。④WS3222E,3.3V~5V工作(zuo)电(dian)压(ya),2个(ge)接(jie)收(shou)器(qi)(qi)(qi),2个(ge)驱动器(qi)(qi)(qi),接(jie)收(shou)器(qi)(qi)(qi)使(shi)能(neng)控制(zhi),具(ju)有关(guan)断(duan)功(gong)能(neng),传输速率(lv)为(wei)250Kbps对(dui)(dui)标(biao)(biao)(biao)替(ti)(ti)代(dai)(dai)TRS3222E、SP3222E4。MP8007,现货国(guo)产(chan)(chan)替(ti)(ti)代(dai)(dai)，带(dai) PD 接(jie)口(kou)(kou)的全集(ji)成 802.3af 以太网受电(dian)设备，集(ji)成 13W 原边调(diao)节反(fan)激(ji)/降压(ya)转换器(qi)(qi)(qi)。

lJW5805A/B是(shi)(shi)一(yi)(yi)(yi)款集成（PD）和(he)DCDC变换(huan)(huan)器(qi)的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)源解决(jue)方(fang)案。它(ta)包(bao)含(han)了一(yi)(yi)(yi)个(ge)PD接口(kou)和(he)一(yi)(yi)(yi)个(ge)隔离(li)式(shi)/非(fei)隔离(li)式(shi)反激变换(huan)(huan)器(qi),完美(mei)PIN对美(mei)国芯(xin)源的(de)(de)(de)(de)MP8004,MP8004是(shi)(shi)一(yi)(yi)(yi)款。PD接口(kou)包(bao)含(han)检测、分类功(gong)(gong)能(neng),以及(ji)一(yi)(yi)(yi)个(ge)100V耐压(ya)的(de)(de)(de)(de)开(kai)关(guan)管(guan)(guan)。开(kai)关(guan)的(de)(de)(de)(de)浪涌电(dian)(dian)(dian)(dian)流限(xian)制功(gong)(gong)能(neng),可以缓慢地给DCDC输入(ru)电(dian)(dian)(dian)(dian)容充电(dian)(dian)(dian)(dian),是(shi)(shi)其(qi)(qi)不会因(yin)(yin)为(wei)芯(xin)片发(fa)热(re)而中(zhong)断。DC/DC变换(huan)(huan)器(qi)包(bao)含(han)了一(yi)(yi)(yi)个(ge)150V功(gong)(gong)率(lv)(lv)开(kai)关(guan)管(guan)(guan),可高效转换(huan)(huan)13W输出(chu)(chu)功(gong)(gong)率(lv)(lv)。它(ta)具有(you)内部(bu)软(ruan)启(qi)动(dong)和(he)自动(dong)重试功(gong)(gong)能(neng)。此外,具有(you)过流保(bao)护、短路(lu)保(bao)护和(he)过压(ya)保(bao)护功(gong)(gong)能(neng)。它(ta)还具有(you)跳频功(gong)(gong)能(neng),使其(qi)(qi)在轻载时也(ye)有(you)很好(hao)的(de)(de)(de)(de)负(fu)载调(diao)整率(lv)(lv)。在PoE系统中(zhong),提供(gong)(gong)电(dian)(dian)(dian)(dian)力的(de)(de)(de)(de)叫做“供(gong)(gong)电(dian)(dian)(dian)(dian)设(she)备”。随(sui)着网(wang)络(luo)(luo)的(de)(de)(de)(de)发(fa)展,网(wang)络(luo)(luo)设(she)备越来越多。无(wu)论(lun)是(shi)(shi)买一(yi)(yi)(yi)台*简单(dan)的(de)(de)(de)(de)五口(kou)Hub还是(shi)(shi)一(yi)(yi)(yi)套无(wu)线(xian)(xian)AP路(lu)由(you)器(qi),附件(jian)中(zhong)都会包(bao)括一(yi)(yi)(yi)个(ge)方(fang)头(tou)(tou)方(fang)脑、傻大黑粗的(de)(de)(de)(de)AC变电(dian)(dian)(dian)(dian)器(qi)。但是(shi)(shi)我们(men)日常使用的(de)(de)(de)(de)固定电(dian)(dian)(dian)(dian)话(hua)机却不用,因(yin)(yin)为(wei)电(dian)(dian)(dian)(dian)话(hua)线(xian)(xian)本身是(shi)(shi)带(dai)电(dian)(dian)(dian)(dian)的(de)(de)(de)(de),足以支持话(hua)机的(de)(de)(de)(de)功(gong)(gong)率(lv)(lv)需要(yao)。既(ji)然电(dian)(dian)(dian)(dian)话(hua)机的(de)(de)(de)(de)例子表(biao)明(ming)通(tong)过一(yi)(yi)(yi)条通(tong)讯线(xian)(xian)路(lu)同时供(gong)(gong)电(dian)(dian)(dian)(dian)是(shi)(shi)切实(shi)可行的(de)(de)(de)(de)。由(you)此PoE（以太(tai)(tai)网(wang)供(gong)(gong)电(dian)(dian)(dian)(dian)）技(ji)术应运而生。以太(tai)(tai)网(wang)供(gong)(gong)电(dian)(dian)(dian)(dian)技(ji)术的(de)(de)(de)(de)出(chu)(chu)发(fa)点(dian)非(fei)常简单(dan),就是(shi)(shi)让IP电(dian)(dian)(dian)(dian)话(hua)、WLAN接入(ru)点(dian)、网(wang)络(luo)(luo)摄(she)像头(tou)(tou)等小(xiao)型网(wang)络(luo)(luo)设(she)备,可以直接从以太(tai)(tai)网(wang)线(xian)(xian)（4对双绞线(xian)(xian)中(zhong)空闲的(de)(de)(de)(de)2对来传(chuan)输）获得电(dian)(dian)(dian)(dian)力,无(wu)需单(dan)独铺设(she)电(dian)(dian)(dian)(dian)力线(xian)(xian),以简化系统布线(xian)(xian)。在PoE系统中(zhong)。TI/德州仪器(qi) 以太(tai)(tai)网(wang)供(gong)(gong)电(dian)(dian)(dian)(dian)控制器(qi)(POE) TPS2378DDAR 现货替(ti)代，一(yi)(yi)(yi)级代理。中(zhong)山(shan)TOS收银芯(xin)片国产品(pin)牌

半(ban)双工(gong)接口串(chuan)口通信(xin)芯片SP3082E。中山TOS收银芯片国产品牌(pai)

MAX5980是(shi)一款四通路的(de)电(dian)(dian)源(yuan)送电(dian)(dian)设备（PSE）电(dian)(dian)源(yuan)控制器(qi)。这(zhei)是(shi)一款国(guo)产POE网络交换机设计方(fang)案XS2180,PSE的(de)控制芯(xin)片(pian)，直(zhi)接替换美信的(de)MAX5980；TPS2378DDA以太(tai)网供(gong)电(dian)(dian)控制器(qi)（POE）TPS2378具有一个辅(fu)助电(dian)(dian)源(yuan)检测(ce)(APD)输入(ru)，可优先连接外部电(dian)(dian)源(yuan)适(shi)配器(qi)。这(zhei)款芯(xin)片(pian)是(shi)专为符合IEEE802.3at/af及(ji)兼容(rong)的(de)PSE设备而(er)设计的(de)。该芯(xin)片(pian)支持单电(dian)(dian)源(yuan)供(gong)电(dian)(dian)，每个端(duan)口（第五类启用）可提供(gong)高达70W的(de)功率，并可提供(gong)对后端(duan)原有受电(dian)(dian)设备的(de)高容(rong)抗检测(ce)。该芯(xin)片(pian)还具有100V导通晶(jing)体管，140mA浪涌电(dian)(dian)流(liu)限制，自动重试(shi)故障保护，2类指(zhi)示，以及(ji)开漏电(dian)(dian)源(yuan)正常状态输出。JW5803替代TPS2378,并有国(guo)产方(fang)案支持中山TOS收(shou)银(yin)芯(xin)片(pian)国(guo)产品牌

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