国(guo)(guo)产POE芯(xin)片(pian)替代。南京(jing)国(guo)(guo)博串口接口POE通(tong)(tong)信(xin)(xin)(xin)芯(xin)片(pian)WS3471,是一款(kuan)由锂(li)电池供电,低功耗(hao)的(de)RS485芯(xin)片(pian)。为RS485/422双协(xie)议。WS3471芯(xin)片(pian)对标(biao)MAXIM（美信(xin)(xin)(xin)）MAX3471。应用(yong)领域(yu)(yu)很广(guang),如国(guo)(guo)网,南网的(de)智能电表；电池管(guan)(guan)理(li)系统（BMS）动(dong)态监测(ce)；安(an)防监控领域(yu)(yu)中的(de)智能云台,门禁,道闸系统控制；数据采集器；工业(ye)自动(dong)化领域(yu)(yu)中的(de)USB串口转换器,PLC伺服(fu)控制器；光端机数据通(tong)(tong)讯；智能控制面板；共享单车分(fen)体(ti)锁；DTU/RTU无线数传模块等(deng)。南京(jing)国(guo)(guo)博是一家集成(cheng)电路(lu)和(he)射频微波模块研发的(de)企(qi)(qi)业(ye),30年(nian)以(yi)来,在(zai)射频微波集成(cheng)电路(lu)及(ji)模块产品(pin)开发领域(yu)(yu)卓有成(cheng)效,受国(guo)(guo)家五部委认定为“国(guo)(guo)家规划布局内集成(cheng)电路(lu)设计企(qi)(qi)业(ye)”。国(guo)(guo)博的(de)芯(xin)片(pian)产品(pin)在(zai)移动(dong)通(tong)(tong)信(xin)(xin)(xin)、卫星通(tong)(tong)信(xin)(xin)(xin)等(deng)系统、微波毫米(mi)波通(tong)(tong)信(xin)(xin)(xin)上均有应用(yong)。国(guo)(guo)博的(de)射频技(ji)术产品(pin)门类齐全。已通(tong)(tong)过ISO9001国(guo)(guo)际质量管(guan)(guan)理(li)体(ti)系、GB/T28001国(guo)(guo)家职业(ye)健康安(an)全管(guan)(guan)理(li)体(ti)系认证、ISO14001国(guo)(guo)际环境管(guan)(guan)理(li)体(ti)系。深圳市(shi)宝能达(da)公司为众多电子厂(chang)家和(he)技(ji)术研发、采购(gou)工程师提(ti)供多家原厂(chang)授权代理(li)产品(pin),并提(ti)供国(guo)(guo)产方案支持！南京(jing)国(guo)(guo)博接口串口通(tong)(tong)信(xin)(xin)(xin)芯(xin)片(pian) WS3471。中山TOS收银(yin)芯(xin)片(pian)国(guo)(guo)产品(pin)牌

电(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)提供(gong)(gong)(gong)设(she)(she)备(bei)(bei)(bei)：PSE只(zhi)能(neng)提供(gong)(gong)(gong)一(yi)种(zhong)(zhong)用法,但是(shi)电(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)应(ying)(ying)用设(she)(she)备(bei)(bei)(bei)PD必须能(neng)够同时适应(ying)(ying)两种(zhong)(zhong)情况。该标准(zhun)规定(ding)供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)通常是(shi)48V、13W的(de)(de)(de)(de)。PD设(she)(she)备(bei)(bei)(bei)提供(gong)(gong)(gong)48V到(dao)低(di)电(dian)(dian)(dian)(dian)(dian)(dian)压的(de)(de)(de)(de)转换(huan)是(shi)较容易(yi)的(de)(de)(de)(de),但同时应(ying)(ying)有(you)1500V的(de)(de)(de)(de)绝缘安全(quan)电(dian)(dian)(dian)(dian)(dian)(dian)压。POE供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)方法：POE标准(zhun)为(wei)使用以太网(wang)的(de)(de)(de)(de)传输(shu)(shu)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)输(shu)(shu)送,直流电(dian)(dian)(dian)(dian)(dian)(dian)到(dao)POE兼容的(de)(de)(de)(de)设(she)(she)备(bei)(bei)(bei)定(ding)义了(le)(le)两种(zhong)(zhong)方法：POE供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)中间跨接(jie)法一(yi)种(zhong)(zhong)称作“中间跨接(jie)法”,使用单(dan)独的(de)(de)(de)(de)PoE供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)设(she)(she)备(bei)(bei)(bei),跨接(jie)在(zai)交(jiao)换(huan)机和(he)(he)具有(you)PoE功(gong)能(neng)的(de)(de)(de)(de)终(zhong)端(duan)设(she)(she)备(bei)(bei)(bei)之间,一(yi)般(ban)是(shi)利(li)用以太网(wang)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)中没有(you)被使用的(de)(de)(de)(de)空闲(xian)线对(dui)来传输(shu)(shu)直流电(dian)(dian)(dian)(dian)(dian)(dian)。POE供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)末(mo)端(duan)跨接(jie)法,是(shi)将(jiang)供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)设(she)(she)备(bei)(bei)(bei)集成在(zai)交(jiao)换(huan)机中信号的(de)(de)(de)(de)出(chu)口端(duan),这(zhei)类集成连接(jie)一(yi)般(ban)都(dou)提供(gong)(gong)(gong)了(le)(le)空闲(xian)线对(dui)和(he)(he)数(shu)据线对(dui)“双”供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)功(gong)能(neng)。其中数(shu)据线对(dui)采(cai)用了(le)(le)信号隔离变压器,并利(li)用中心(xin)抽头(tou)来实现(xian)直流供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)。可(ke)以预见(jian)会迅速得到(dao)推广,这(zhei)是(shi)由于(yu)以太网(wang)数(shu)据与输(shu)(shu)电(dian)(dian)(dian)(dian)(dian)(dian)采(cai)用公用线对(dui),因而省去了(le)(le)需要设(she)(she)置单(dan)独输(shu)(shu)电(dian)(dian)(dian)(dian)(dian)(dian)线,这(zhei)对(dui)于(yu)只(zhi)有(you)8芯的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)缆(lan)和(he)(he)相配套的(de)(de)(de)(de)标准(zhun)RJ-45插座意义特别重大。POE供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)新发展：POE供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)芯片厂(chang)商(shang)将(jiang)提交(jiao)“大功(gong)率以太网(wang)供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)”标准(zhun),该标准(zhun)将(jiang)支(zhi)持为(wei)笔记本电(dian)(dian)(dian)(dian)(dian)(dian)脑等设(she)(she)备(bei)(bei)(bei)供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)。建(jian)议(yi)把、13w的(de)(de)(de)(de)可(ke)用功(gong)率极(ji)限提高1倍(bei)。除笔记本电(dian)(dian)(dian)(dian)(dian)(dian)脑外(wai),新标准(zhun)还(hai)有(you)可(ke)能(neng)为(wei)液晶显示器和(he)(he)视频电(dian)(dian)(dian)(dian)(dian)(dian)话等供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)。IEEE出(chu)了(le)(le)一(yi)个新的(de)(de)(de)(de)。POE供(gong)(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)区(qu)分标PoE和(he)(he)非标准(zhun):很简单(dan)。上海PLC伺服控(kong)制(zhi)器芯片供(gong)(gong)(gong)应(ying)(ying)商(shang)南(nan)京国博接(jie)口串(chuan)口芯片/通信芯片WS3085N描述：半双工协议(yi)RS485/422、VCC=5V、500Kbps、无极(ji)性。

国(guo)产(chan)(chan)(chan)(chan)替(ti)代(dai)芯(xin)片(pian)4通路(lu)(lu)和(he)8通路(lu)(lu)电(dian)(dian)(dian)源送(song)电(dian)(dian)(dian)设(she)(she)备；（PSE）电(dian)(dian)(dian)源控(kong)制(zhi)器XS2180,XS2184。这两款芯(xin)片(pian)是专(zhuan)为(wei)(wei)(wei)符合(he)IEEE802.3at/af及兼容的(de)PSE设(she)(she)备而设(she)(she)计(ji)的(de)。深圳市宝能(neng)达科技发展有(you)限公司(si)是一家(jia)专(zhuan)业IC芯(xin)片(pian)代(dai)理(li)企(qi)业,公司(si)专(zhuan)注于POE芯(xin)片(pian)的(de)国(guo)产(chan)(chan)(chan)(chan)替(ti)代(dai),并拥有(you)国(guo)产(chan)(chan)(chan)(chan)方案支(zhi)持。这里推荐(jian)一种国(guo)产(chan)(chan)(chan)(chan)PIN对(dui)MAX5980的(de)PSE电(dian)(dian)(dian)源控(kong)制(zhi)器。IP804A是一款4端口PSE(PowerSourcingEquipment)控(kong)制(zhi)器IC,可以(yi)用(yong)在(zai)PoE(PoweroverEthernet)系统。这款芯(xin)片(pian)将(jiang)电(dian)(dian)(dian)源、逻辑电(dian)(dian)(dian)路(lu)(lu)和(he)模拟电(dian)(dian)(dian)路(lu)(lu)都集成到一个(ge)(ge)芯(xin)片(pian)中(zhong),在(zai)Midcap和(he)EndpointPSE中(zhong)广为(wei)(wei)(wei)应用(yong)。POE芯(xin)片(pian)P804A符合(he)IEEE802.3AF-2003的(de)所有(you)要求如PD分(fen)类、多点电(dian)(dian)(dian)阻检测、DC断开、中(zhong)帽回退等。它还能(neng)满足所有(you)IEEE802.3AT-2009要求,如双事(shi)件分(fen)类和(he)每个(ge)(ge)端口提供(gong)36W。现(xian)在(zai)国(guo)产(chan)(chan)(chan)(chan)芯(xin)片(pian)替(ti)代(dai)正(zheng)在(zai)兴起,国(guo)产(chan)(chan)(chan)(chan)POE芯(xin)片(pian)已经(jing)成为(wei)(wei)(wei)众多厂家(jia)的(de)理(li)想(xiang)选择。

国(guo)产(chan)POE芯片南(nan)京(jing)国(guo)博WS3220E/21E/22E/32E/23E/43F/213E替(ti)(ti)代(dai)进口(kou)芯片系列(lie)。国(guo)产(chan)串口(kou)/接(jie)(jie)(jie)(jie)口(kou)/POE通信芯片替(ti)(ti)代(dai)进口(kou)。POE芯片型号描述：①WS3221E,3.3V~5V工作电(dian)压(ya),接(jie)(jie)(jie)(jie)收器(qi)(qi)(qi)使(shi)(shi)能(neng)(neng)控(kong)制,1个(ge)接(jie)(jie)(jie)(jie)收器(qi)(qi)(qi),1个(ge)驱动(dong)器(qi)(qi)(qi),具有(you)(you)关(guan)断功能(neng)(neng),自动(dong)待机功能(neng)(neng),传(chuan)输速率为250Kbps,对(dui)标(biao)替(ti)(ti)代(dai)TRS3221E、SP3221EMAX3221E3。②WS3220E,3.3V--5V工作电(dian)压(ya),接(jie)(jie)(jie)(jie)收器(qi)(qi)(qi)使(shi)(shi)能(neng)(neng)控(kong)制,1个(ge)接(jie)(jie)(jie)(jie)收器(qi)(qi)(qi),1个(ge)驱动(dong)器(qi)(qi)(qi),具有(you)(you)关(guan)断功能(neng)(neng),传(chuan)输速为250Kbps。对(dui)标(biao)替(ti)(ti)代(dai):TRS3220E、MAX3220E,ADM3220E。③WS3232E,3.3V~5V工作电(dian)压(ya),2个(ge)接(jie)(jie)(jie)(jie)收器(qi)(qi)(qi),2个(ge)驱动(dong)器(qi)(qi)(qi),传(chuan)输速率为250Kbps,对(dui)标(biao)替(ti)(ti)代(dai)TRS3222E、SP3232E、MAX3222E、ADM3222E、ICL3222E。④WS3222E,3.3V~5V工作电(dian)压(ya),2个(ge)接(jie)(jie)(jie)(jie)收器(qi)(qi)(qi),2个(ge)驱动(dong)器(qi)(qi)(qi),接(jie)(jie)(jie)(jie)收器(qi)(qi)(qi)使(shi)(shi)能(neng)(neng)控(kong)制,具有(you)(you)关(guan)断功能(neng)(neng),传(chuan)输速率为250Kbps对(dui)标(biao)替(ti)(ti)代(dai)TRS3222E、SP3222E4。MP8007,现(xian)货国(guo)产(chan)替(ti)(ti)代(dai)，带 PD 接(jie)(jie)(jie)(jie)口(kou)的全集(ji)成(cheng) 802.3af 以太网受电(dian)设(she)备，集(ji)成(cheng) 13W 原边调(diao)节反激(ji)/降压(ya)转换器(qi)(qi)(qi)。

lJW5805A/B是(shi)(shi)一款(kuan)集成(cheng)（PD）和(he)(he)DCDC变(bian)换(huan)器(qi)的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)源解决方案。它包(bao)含(han)(han)了一个(ge)(ge)PD接口(kou)和(he)(he)一个(ge)(ge)隔离式(shi)(shi)/非隔离式(shi)(shi)反(fan)激(ji)变(bian)换(huan)器(qi),完美(mei)PIN对美(mei)国(guo)芯(xin)源的(de)(de)(de)(de)MP8004,MP8004是(shi)(shi)一款(kuan)。PD接口(kou)包(bao)含(han)(han)检测、分类(lei)功(gong)能,以(yi)(yi)(yi)(yi)及一个(ge)(ge)100V耐压(ya)的(de)(de)(de)(de)开关管。开关的(de)(de)(de)(de)浪涌电(dian)(dian)(dian)(dian)(dian)(dian)流限制功(gong)能,可以(yi)(yi)(yi)(yi)缓慢地给(ji)DCDC输(shu)(shu)入电(dian)(dian)(dian)(dian)(dian)(dian)容充电(dian)(dian)(dian)(dian)(dian)(dian),是(shi)(shi)其不会因(yin)为芯(xin)片发热而(er)(er)中(zhong)断。DC/DC变(bian)换(huan)器(qi)包(bao)含(han)(han)了一个(ge)(ge)150V功(gong)率开关管,可高效(xiao)转换(huan)13W输(shu)(shu)出功(gong)率。它具(ju)(ju)有(you)内部(bu)软启动(dong)和(he)(he)自动(dong)重试(shi)功(gong)能。此(ci)外(wai),具(ju)(ju)有(you)过流保(bao)(bao)护(hu)、短(duan)路保(bao)(bao)护(hu)和(he)(he)过压(ya)保(bao)(bao)护(hu)功(gong)能。它还具(ju)(ju)有(you)跳频功(gong)能,使其在轻载(zai)时也有(you)很(hen)好(hao)的(de)(de)(de)(de)负载(zai)调(diao)整率。在PoE系(xi)(xi)统(tong)中(zhong),提供(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)力的(de)(de)(de)(de)叫做“供(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)设备”。随着网(wang)(wang)(wang)络(luo)的(de)(de)(de)(de)发展,网(wang)(wang)(wang)络(luo)设备越(yue)来越(yue)多。无(wu)论是(shi)(shi)买一台*简(jian)单(dan)的(de)(de)(de)(de)五口(kou)Hub还是(shi)(shi)一套无(wu)线AP路由器(qi),附件(jian)中(zhong)都会包(bao)括(kuo)一个(ge)(ge)方头(tou)方脑、傻(sha)大黑粗(cu)的(de)(de)(de)(de)AC变(bian)电(dian)(dian)(dian)(dian)(dian)(dian)器(qi)。但是(shi)(shi)我们日常(chang)使用的(de)(de)(de)(de)固定电(dian)(dian)(dian)(dian)(dian)(dian)话机却(que)不用,因(yin)为电(dian)(dian)(dian)(dian)(dian)(dian)话线本身是(shi)(shi)带电(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de),足以(yi)(yi)(yi)(yi)支持(chi)话机的(de)(de)(de)(de)功(gong)率需要。既然电(dian)(dian)(dian)(dian)(dian)(dian)话机的(de)(de)(de)(de)例(li)子表明通过一条通讯线路同时供(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)是(shi)(shi)切实可行的(de)(de)(de)(de)。由此(ci)PoE（以(yi)(yi)(yi)(yi)太(tai)网(wang)(wang)(wang)供(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)）技术(shu)应运而(er)(er)生。以(yi)(yi)(yi)(yi)太(tai)网(wang)(wang)(wang)供(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)技术(shu)的(de)(de)(de)(de)出发点非常(chang)简(jian)单(dan),就是(shi)(shi)让IP电(dian)(dian)(dian)(dian)(dian)(dian)话、WLAN接入点、网(wang)(wang)(wang)络(luo)摄像(xiang)头(tou)等小型网(wang)(wang)(wang)络(luo)设备,可以(yi)(yi)(yi)(yi)直接从以(yi)(yi)(yi)(yi)太(tai)网(wang)(wang)(wang)线（4对双绞线中(zhong)空闲的(de)(de)(de)(de)2对来传输(shu)(shu)）获得电(dian)(dian)(dian)(dian)(dian)(dian)力,无(wu)需单(dan)独铺设电(dian)(dian)(dian)(dian)(dian)(dian)力线,以(yi)(yi)(yi)(yi)简(jian)化系(xi)(xi)统(tong)布线。在PoE系(xi)(xi)统(tong)中(zhong)。TI/德(de)州(zhou)仪器(qi) 以(yi)(yi)(yi)(yi)太(tai)网(wang)(wang)(wang)供(gong)(gong)电(dian)(dian)(dian)(dian)(dian)(dian)控制器(qi)(POE) TPS2378DDAR 现(xian)货替代，一级(ji)代理。中(zhong)山(shan)TOS收银(yin)芯(xin)片国(guo)产品牌

半双工接口串口通信芯(xin)片SP3082E。中山TOS收(shou)银(yin)芯(xin)片国产品牌

MAX5980是(shi)一(yi)款(kuan)(kuan)四通路的(de)电(dian)源(yuan)(yuan)送电(dian)设备（PSE）电(dian)源(yuan)(yuan)控制器。这是(shi)一(yi)款(kuan)(kuan)国产POE网络交换机设计(ji)方案(an)XS2180,PSE的(de)控制芯(xin)(xin)片(pian)(pian)(pian)(pian)，直接替(ti)换美信(xin)的(de)MAX5980；TPS2378DDA以太网供(gong)(gong)电(dian)控制器（POE）TPS2378具有(you)(you)(you)(you)一(yi)个辅助电(dian)源(yuan)(yuan)检测(APD)输入，可优先连(lian)接外部电(dian)源(yuan)(yuan)适配(pei)器。这款(kuan)(kuan)芯(xin)(xin)片(pian)(pian)(pian)(pian)是(shi)专为符(fu)合IEEE802.3at/af及兼容的(de)PSE设备而设计(ji)的(de)。该芯(xin)(xin)片(pian)(pian)(pian)(pian)支(zhi)持(chi)(chi)单电(dian)源(yuan)(yuan)供(gong)(gong)电(dian)，每个端口（第五类启用）可提(ti)供(gong)(gong)高达(da)70W的(de)功率，并(bing)可提(ti)供(gong)(gong)对后端原(yuan)有(you)(you)(you)(you)受电(dian)设备的(de)高容抗(kang)检测。该芯(xin)(xin)片(pian)(pian)(pian)(pian)还具有(you)(you)(you)(you)100V导通晶体(ti)管(guan)，140mA浪涌(yong)电(dian)流限制，自动重试故障保(bao)护，2类指示(shi)，以及开漏电(dian)源(yuan)(yuan)正常状态输出。JW5803替(ti)代TPS2378,并(bing)有(you)(you)(you)(you)国产方案(an)支(zhi)持(chi)(chi)中山TOS收银芯(xin)(xin)片(pian)(pian)(pian)(pian)国产品(pin)牌