仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)表(biao)(biao)(biao)可以分为通(tong)(tong)用(yong)(yong)(yong)型(xing)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)表(biao)(biao)(biao)和**仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)表(biao)(biao)(biao)，通(tong)(tong)用(yong)(yong)(yong)型(xing)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)表(biao)(biao)(biao)主(zhu)要包括工(gong)业自动控(kong)制(zhi)(zhi)(zhi)系统装臵制(zhi)(zhi)(zhi)造(zao)、电(dian)工(gong)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)表(biao)(biao)(biao)、绘(hui)图、计算及测(ce)量(liang)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)、实(shi)验分析(xi)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)、试验机制(zhi)(zhi)(zhi)造(zao)、供(gong)应(ying)用(yong)(yong)(yong)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)表(biao)(biao)(biao)、其他(ta)通(tong)(tong)用(yong)(yong)(yong)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)；**仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)表(biao)(biao)(biao)主(zhu)要包括环(huan)境监测(ce)**仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)表(biao)(biao)(biao)制(zhi)(zhi)(zhi)造(zao)、运输设备(bei)(bei)及生产用(yong)(yong)(yong)计数仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)表(biao)(biao)(biao)制(zhi)(zhi)(zhi)造(zao)、导航、测(ce)绘(hui)、气象及海洋(yang)**仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)制(zhi)(zhi)(zhi)造(zao)、农(nong)林(lin)牧渔(yu)**仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)表(biao)(biao)(biao)制(zhi)(zhi)(zhi)造(zao)、地(di)质勘探和地(di)震**仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)制(zhi)(zhi)(zhi)造(zao)、教学**仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)制(zhi)(zhi)(zhi)造(zao)、核(he)(he)子(zi)及核(he)(he)辐射测(ce)量(liang)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)制(zhi)(zhi)(zhi)造(zao)、电(dian)子(zi)测(ce)量(liang)仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)制(zhi)(zhi)(zhi)造(zao)、其他(ta)**仪(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)器(qi)(qi)(qi)(qi)制(zhi)(zhi)(zhi)造(zao)等。此(ci)类设备(bei)(bei)使(shi)用(yong)(yong)(yong)2类光(guang)(guang)耦(ou)较多：其一(yi)，用(yong)(yong)(yong)于(yu)设备(bei)(bei)供(gong)电(dian)区域做电(dian)压(ya)信(xin)号(hao)(hao)反(fan)馈(kui)用(yong)(yong)(yong)的(de)晶(jing)体管类光(guang)(guang)耦(ou)，如：QX816、QX357、QX1018、QX4Nxx（带(dai)外部使(shi)能控(kong)制(zhi)(zhi)(zhi)脚）；其二，用(yong)(yong)(yong)于(yu)中速信(xin)号(hao)(hao)隔(ge)离通(tong)(tong)讯(xun)的(de)光(guang)(guang)MOS，如QX17x，和用(yong)(yong)(yong)于(yu)高(gao)速信(xin)号(hao)(hao)隔(ge)离通(tong)(tong)讯(xun)的(de)高(gao)速光(guang)(guang)耦(ou)，如，QX6N137、QX074L、QX0631等线性光(guang)(guang)耦(ou)一(yi)般价格比普(pu)通(tong)(tong)光(guang)(guang)耦(ou)高(gao)，但(dan)是使(shi)用(yong)(yong)(yong)方便，设计简单；VOS615A光(guang)(guang)耦(ou)替(ti)代

1.汽(qi)车电驱(qu)(qu)部分常应(ying)用(yong)到(dao)智能栅(zha)(zha)极(ji)驱(qu)(qu)动(dong)(dong)(dong)(dong)光(guang)(guang)(guang)耦(ou)(ou)(ou)QX33xJ，智能栅(zha)(zha)极(ji)驱(qu)(qu)动(dong)(dong)(dong)(dong)光(guang)(guang)(guang)耦(ou)(ou)(ou)为(wei)**型光(guang)(guang)(guang)耦(ou)(ou)(ou)，在强弱电隔离、通信、过程控(kong)(kong)制(zhi)等(deng)传统(tong)领域都(dou)会(hui)用(yong)到(dao)，如汽(qi)车电子领域就(jiu)有(you)应(ying)用(yong)智能栅(zha)(zha)极(ji)驱(qu)(qu)动(dong)(dong)(dong)(dong)光(guang)(guang)(guang)耦(ou)(ou)(ou)的需求。QX33xJ峰值电流(liu)更高、抗扰能力更强，具有(you)可(ke)编程故(gu)障(zhang)检测、欠压锁定的特点。2.汽(qi)车电控(kong)(kong)系(xi)统(tong)由传感器(qi)(qi)、控(kong)(kong)制(zhi)器(qi)(qi)和执(zhi)行(xing)器(qi)(qi)组成。传感器(qi)(qi)主要(yao)是(shi)收集控(kong)(kong)制(zhi)器(qi)(qi)所需要(yao)的各部分的信号，为(wei)控(kong)(kong)制(zhi)器(qi)(qi)指挥(hui)执(zhi)行(xing)器(qi)(qi)提供数据支持(chi)。电控(kong)(kong)系(xi)统(tong)运用(yong)到(dao)的光(guang)(guang)(guang)耦(ou)(ou)(ou)类型较，如晶体(ti)管光(guang)(guang)(guang)耦(ou)(ou)(ou)(QX8801)、高速(su)光(guang)(guang)(guang)耦(ou)(ou)(ou)(QX6N137,QX074L,QX0631)、(智能)栅(zha)(zha)极(ji)驱(qu)(qu)动(dong)(dong)(dong)(dong)光(guang)(guang)(guang)耦(ou)(ou)(ou)(QX343,QX33xJ)、IPM接(jie)口光(guang)(guang)(guang)耦(ou)(ou)(ou)(QX480)、光(guang)(guang)(guang)隔运放(QXC87,QXC790)。3.QX174、QX224、QXV258、QXS258常应(ying)用(yong)于(yu)汽(qi)车电池管理系(xi)统(tong)，由系(xi)统(tong)控(kong)(kong)制(zhi)和驱(qu)(qu)动(dong)(dong)(dong)(dong)。光(guang)(guang)(guang)继电器(qi)(qi)由小(xiao)电压小(xiao)电流(liu)控(kong)(kong)制(zhi)大电压大电流(liu)，内部分为(wei)线(xian)圈(quan)控(kong)(kong)制(zhi)端(duan)和负荷(he)端(duan)，当(dang)给线(xian)圈(quan)控(kong)(kong)制(zhi)端(duan)施加(jia)(jia)一个驱(qu)(qu)动(dong)(dong)(dong)(dong)电压时(shi)，负荷(he)端(duan)就(jiu)能发生闭(bi)合或者断开(kai)的动(dong)(dong)(dong)(dong)作，QX品(pin)牌的常开(kai)型光(guang)(guang)(guang)继电器(qi)(qi)在没有(you)施加(jia)(jia)驱(qu)(qu)动(dong)(dong)(dong)(dong)电压时(shi)保持(chi)负荷(he)端(duan)开(kai)路(lu)，施加(jia)(jia)驱(qu)(qu)动(dong)(dong)(dong)(dong)电压时(shi)负荷(he)端(duan)立刻闭(bi)合，接(jie)通主回路(lu)。北(bei)京高电压可(ke)控(kong)(kong)硅(gui)光(guang)(guang)(guang)耦(ou)(ou)(ou)群芯(xin)微代理加(jia)(jia)工(gong)对于(yu)交流(liu)负载，可(ke)以(yi)采(cai)用(yong)光(guang)(guang)(guang)电可(ke)控(kong)(kong)硅(gui)驱(qu)(qu)动(dong)(dong)(dong)(dong)器(qi)(qi)进行(xing)隔离驱(qu)(qu)动(dong)(dong)(dong)(dong)设计。

BMS，英文全称是(shi)(shi)BatteryManagementSystem，指的(de)就(jiu)是(shi)(shi)电(dian)池(chi)(chi)管(guan)理系统。BMS可以(yi)(yi)说是(shi)(shi)新能源汽(qi)车的(de)“电(dian)池(chi)(chi)管(guan)家”，它能够实时监管(guan)电(dian)池(chi)(chi)状态(tai)、管(guan)理车载动力电(dian)池(chi)(chi)、增强(qiang)电(dian)池(chi)(chi)使(shi)用(yong)效率、防止电(dian)池(chi)(chi)出现过充(chong)过放(fang)以(yi)(yi)及提高电(dian)池(chi)(chi)的(de)使(shi)用(yong)寿命。常用(yong)光耦(ou)(ou)型号：1.晶体管(guan)光耦(ou)(ou)：QX81x、QX101x、QX35x、QX3Hx、QX85x、QX8801；2.光继电(dian)器：QXV158、QX258、QX2xx、QX17x；3.高速光耦(ou)(ou)：QX6N13x、QXM6xx、QX772x、QX053x、QX063x；4.栅(zha)极(ji)驱动光耦(ou)(ou)：QX314、QX34x、QX350、QX31xx;5.智能栅(zha)极(ji)驱动光耦(ou)(ou)：QX316J、QX33xJ；6.光隔(ge)离运算放(fang)大器：QXC790、QXC78、QX7840.

目前大(da)功(gong)率(lv)(lv)充电(dian)(dian)桩输(shu)入(ru)输(shu)出(chu)端(duan)都(dou)(dou)是处在不同的(de)(de)(de)高(gao)电(dian)(dian)压(ya)(ya)环境，在实现(xian)所有(you)功(gong)能时首先要考虑(lv)其(qi)各个(ge)装置都(dou)(dou)能达到(dao)安全(quan)隔离(li)(li)的(de)(de)(de)要求(qiu)，防止(zhi)电(dian)(dian)路间(jian)(jian)的(de)(de)(de)器(qi)(qi)件受到(dao)高(gao)电(dian)(dian)压(ya)(ya)击穿(chuan)损(sun)(sun)伤(shang)，所以在各电(dian)(dian)路间(jian)(jian)使用(yong)(yong)到(dao)光(guang)(guang)电(dian)(dian)耦(ou)合(he)(he)器(qi)(qi)作为(wei)电(dian)(dian)路间(jian)(jian)信(xin)号隔离(li)(li)和(he)功(gong)率(lv)(lv)器(qi)(qi)件驱(qu)(qu)(qu)动(dong)(dong)隔离(li)(li)。1.充电(dian)(dian)模(mo)块常用(yong)(yong)高(gao)速光(guang)(guang)耦(ou)–高(gao)速信(xin)号通讯用(yong)(yong)，如(ru)(ru)QX6N135、QX6N137、QX074L等(deng)；2.驱(qu)(qu)(qu)动(dong)(dong)模(mo)块常用(yong)(yong)(智(zhi)能)栅极驱(qu)(qu)(qu)动(dong)(dong)光(guang)(guang)耦(ou)和(he)IPM接(jie)口光(guang)(guang)耦(ou)：(智(zhi)能)栅极驱(qu)(qu)(qu)动(dong)(dong)光(guang)(guang)耦(ou)–驱(qu)(qu)(qu)动(dong)(dong)高(gao)压(ya)(ya)MOS或者高(gao)压(ya)(ya)IGBT，如(ru)(ru)QX341、QX3120、QX33xJ系列等(deng)；IPM接(jie)口驱(qu)(qu)(qu)动(dong)(dong)光(guang)(guang)耦(ou)–驱(qu)(qu)(qu)动(dong)(dong)IPM隔离(li)(li)模(mo)块或其(qi)他隔离(li)(li)芯片(pian)，如(ru)(ru)QX4504、QX480等(deng)。IPM的(de)(de)(de)通态损(sun)(sun)耗(hao)和(he)开关(guan)损(sun)(sun)耗(hao)都(dou)(dou)比较低(di)，散热器(qi)(qi)的(de)(de)(de)尺寸小(xiao)，故(gu)整个(ge)系统的(de)(de)(de)尺寸更小(xiao)，IPM具有(you)较低(di)的(de)(de)(de)传输(shu)延迟时间(jian)(jian)及(ji)**小(xiao)化脉冲失真宽度，有(you)利于(yu)提升转换(huan)电(dian)(dian)路效率(lv)(lv)，减少切(qie)换(huan)的(de)(de)(de)死区时间(jian)(jian)。在线性电(dian)(dian)路中(zhong)，两(liang)级放大(da)器(qi)(qi)之(zhi)间(jian)(jian)常用(yong)(yong)音频变压(ya)(ya)器(qi)(qi)作耦(ou)合(he)(he)。

光电(dian)(dian)耦合(he)器的(de)输(shu)入端是(shi)发光二极(ji)管，因(yin)此(ci)，它的(de)输(shu)入特(te)(te)(te)性(xing)可(ke)(ke)(ke)用(yong)发光二极(ji)管的(de)伏(fu)安(an)特(te)(te)(te)性(xing)来表示；输(shu)出(chu)端是(shi)光敏三极(ji)管，因(yin)此(ci)光敏三极(ji)管的(de)伏(fu)安(an)特(te)(te)(te)性(xing)就是(shi)它的(de)输(shu)出(chu)特(te)(te)(te)性(xing)。由(you)此(ci)可(ke)(ke)(ke)见，光电(dian)(dian)耦合(he)器存在着非(fei)线(xian)性(xing)工作区(qu)域，直接用(yong)来传输(shu)模(mo)拟(ni)量时精度较(jiao)差。解决方法之一，利用(yong)2个具有相同(tong)非(fei)线(xian)性(xing)传输(shu)特(te)(te)(te)性(xing)的(de)光电(dian)(dian)耦合(he)器，T1和(he)T2，以及(ji)2个射极(ji)跟随器A1和(he)A2组(zu)成。如果(guo)T1和(he)T2是(shi)同(tong)型号同(tong)批次的(de)光电(dian)(dian)耦合(he)器，可(ke)(ke)(ke)以认(ren)为他们的(de)非(fei)线(xian)性(xing)传输(shu)特(te)(te)(te)性(xing)是(shi)完全一致(zhi)的(de)，即K1(I1)=K2(I1），则放大(da)器的(de)电(dian)(dian)压增益G=Uo/U1=I3R3/I2R2=(R3/R2)[K1(I1)/K2(I1)]=R3/R2。由(you)此(ci)可(ke)(ke)(ke)见，利用(yong)T1和(he)T2电(dian)(dian)流(liu)传输(shu)特(te)(te)(te)性(xing)的(de)对称性(xing)，利用(yong)反馈原(yuan)理(li)(li)，可(ke)(ke)(ke)以很好的(de)补(bu)偿他们原(yuan)来的(de)非(fei)线(xian)性(xing)。光耦在数字电(dian)(dian)路(lu)上(shang)获(huo)得的(de)应用(yong)。福(fu)建达林(lin)顿(dun)光耦群芯微(wei)代理(li)(li)国产品(pin)牌

光电(dian)可(ke)控硅驱动(dong)器(qi)，特点是耐压高，驱动(dong)电(dian)流(liu)不大，当交流(liu)负载电(dian)流(liu)较小时，可(ke)以直接用它来驱动(dong)。VOS615A光耦替代(dai)

新一代(dai)的移动通(tong)(tong)信网--5G网络已成为广大社会群(qun)众的关注焦点，由于5G的多天线阵列技术(shu)，发射接(jie)(jie)受(shou)通(tong)(tong)道(dao)(dao)从原来(lai)的**多8路(lu)变成了32或(huo)64路(lu)，导致(zhi)功耗(hao)明显增加，因此(ci)，电(dian)(dian)(dian)源功率密度(du)和(he)(he)(he)效(xiao)率提升成为首要(yao)(yao)(yao)问题(ti)，5G电(dian)(dian)(dian)源包含站(zhan)点电(dian)(dian)(dian)源（AC-DC）和(he)(he)(he)基站(zhan)电(dian)(dian)(dian)源（AAU或(huo)BBU内(nei)部的二次电(dian)(dian)(dian)源部分DC-DC）两(liang)个(ge)部分；AC-DC电(dian)(dian)(dian)源通(tong)(tong)常(chang)为两(liang)级(ji)拓扑(pu)结构，即PFC+LLC，两(liang)级(ji)拓扑(pu)分别需要(yao)(yao)(yao)闭环控制，所以(yi)(yi)通(tong)(tong)常(chang)采用(yong)(yong)(yong)两(liang)颗主(zhu)控芯(xin)片(pian)，原边的主(zhu)控负责PFC电(dian)(dian)(dian)路(lu)，副边主(zhu)控负责LLC电(dian)(dian)(dian)路(lu)，LLC的驱动可(ke)通(tong)(tong)过栅极驱动光耦(ou)(ou)QX343来(lai)实现(xian)(xian)，PSU对外接(jie)(jie)口(kou)一般选择CAN通(tong)(tong)信，可(ke)以(yi)(yi)通(tong)(tong)过双(shuang)通(tong)(tong)道(dao)(dao)高速(su)光耦(ou)(ou)QX0631或(huo)QX075L实现(xian)(xian)；其次,备用(yong)(yong)(yong)电(dian)(dian)(dian)源（刀片(pian)电(dian)(dian)(dian)源）的电(dian)(dian)(dian)池包需要(yao)(yao)(yao)配(pei)备一套具(ju)有(you)针对性的锂电(dian)(dian)(dian)管理(li)系统BMS,从而对电(dian)(dian)(dian)池组进行有(you)效(xiao)的监(jian)控、保护、能量均衡和(he)(he)(he)故障报警(jing)，进而提高备用(yong)(yong)(yong)电(dian)(dian)(dian)源的工(gong)作(zuo)效(xiao)率和(he)(he)(he)使用(yong)(yong)(yong)寿(shou)命,基站(zhan)备用(yong)(yong)(yong)电(dian)(dian)(dian)源的电(dian)(dian)(dian)芯(xin)一般为16串(chuan)，所以(yi)(yi)需要(yao)(yao)(yao)两(liang)颗AFE芯(xin)片(pian)，其中一颗AFE芯(xin)片(pian)通(tong)(tong)过高速(su)光耦(ou)(ou)QX343来(lai)连(lian)接(jie)(jie),QX172用(yong)(yong)(yong)于电(dian)(dian)(dian)池电(dian)(dian)(dian)压监(jian)测。VOS615A光耦(ou)(ou)替(ti)代(dai)

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