【应用】Silicon Labs的数字隔离芯片SI8622EC-B-ISR在电能分析仪表中的应用
电网信号经过电压/电流互感器、信号调理电路转变为符合ADC输入要求的小幅值电压信号;模数转换模块用于将小幅值电压信号转变为数字信号,并将其传送至数据处理模块;数据处理模块以DSP作为运算核心,对ADC的采样信号进行数据处理,从而计算得到电压偏差、频率偏差、谐波、三相不平衡度、电压闪变等电能质量参数;数据管理模块用于对数据处理模块计算得到的各项电能质量参数进行数据管理,完成显示、存储以及通信等人机交互功能。
原理框图如下:
电能质量分析仪原理框图
在这里RS-485总线传输需要有数字隔离芯片对其进行隔离,这里使用了SILICON LABS的双通道数字隔离器Si8622EC-B-ISR进行隔离,为了省成本,只要隔离RS-485总线的RX和TX传输总线就可以,对于引脚控制总线可以选择一颗普通的光耦隔离就可以。Si8622EC-B-ISR的隔离速度150Mbps完全可以满足RS-485 总线的隔离要求,在电力系统应用中,Si8622EC-B-ISR的 3.75KV隔离等级完全满足实际隔离电压的需求。
Si8622通道的操作类似于光耦的操作,是通过射频载波被调制而不是光。这个
简单的体系结构提供了一个稳定强健的隔离数据路径,并且在启动时不需要特别考虑或初始化。简化的单个SI8622通道的方块图如下图所示。
简化通道图
SI8622EC-B-ISR采用RF耦合技术在隔离栅上传输数字信息,可以实现低功率水平下的高速数据传输操作。与传统的光耦合器相比,SI8622EC-B-ISR基于Silicon Labs专有的RF隔离技术,具有更短的传播延迟,更低的功耗,更高的抗噪性,更小的安装尺寸以及更稳定的温度和老化表现。供电范围2.5V–5.5 V,在正常工作电压范围内能稳定工作60年,5V供电时每通道功耗1.6mA/1Mbps, 5V供电时每通道功耗5.5mA/100Mbps,降低了系统的功耗,10ns延时时间确保延时时间最短。
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Process Change Notice #1110051 Addition of C-Pak as a Tape and Reel Supplier
型号- SI3231-A-GMR,SI3065-A-FTR,C8051F381-GQR,CT632-XM0449GMR,C8051T612-GQR,CF305-PX0573GMR,C8051T603-GMR,SI32171-B-FM1R,SI3216M-C-GMR,C8051F530-C-AMR,C8051F712-GMR,SI8235AB-D-ISR,CF330-PM0467GMR,ML0507-B,C8051F349-GQR,CF330-PX0482GMR,SI2457-D-GTR,ML0507-A,SI3006-B-FTR,CF321-PM0226GMR,SI8645BC-A-ISLR,SI3452B-B02-GMR,SI2403-G-FTR,SI8244CB-C-ISLR,CF921-PM0570GMR,SI8230AB-D-ISLR,SI3050-EL-GTR,CP2201-GMR,CP2120-GMR,CF704-XL0010GQR,SI8233AB-C-ISLR,SI8233AD-C-ISR,SI8440BB-C-ISR,SI8230BB-B-ISR,SI8232AB-D-ISR,CF500-XL0010IQR,SI2404-D-FTR,SI8241CB-D-ISLR,SI8620BD-A-ISR,SI32268-C-GM1R,C8051F553-AMR,C8051F302-GSR,C8051F705-GQR,C8051F124-GQR,SI8519-C-ISR,SB014-C-FSR,C8051F802-GUR,SI3056-D-ZS3R,C8051F043-GQR,CF327-PX0563GMR,SI8640EC-A-ISLR,CF330-PX0584GMR,SI2417-E-FTR,CP2102XX0539GMR,C8051F766-GMR,SI2404-D-FSR,SI8244BB-C-ISR,SI3211-E-FMR,SI8645BD-A-ISR,CF000-XX0006GQR,CT321-PX0524GMR,CP2101SX0143GMR,SI8404AB-A-ISLR,SI8642EC-B-ISLR,SI8420AD-A-ISR,SI8435BB-C-ISLR,SI3227-C-GQR,C8051F365-GMR,SI8662BD-B-ISR,C8051F349-GMR,C8051F133-GQR,C8051F587-IMR,SI8423BB-B-ISR,C8051F230-GQR,C8051F302-GMR,SB019-C-FSR,CF023-PM0089GQR,SI3054-G-ZS81R,C8051F714-GQR,SI8641AD-A-ISR,SI3056-D-ZS9R,SI8662ED-B-ISR,C8051F540-IMR,C8051F560-AMR,C8051F531A-ITR,SI8642BD-A-ISR,CP2102XM0499GMR,SI3071-F-FSR,BD0400X0400K,C8051F521-C-IMR,CP2104XX0521GMR,SI8422BD-D-ISR,SIL005-C-GMR,SI8519-C-IMR,SI5041-D-GMR,SI8421AD-D-ISR,SI8655BA-B-ISR,SI8620EC-B-ISR,CF534APM0594IMR,SI8642BC-B-ISLR,SI8235AA-E-IMR,CT602-PX0427GMR,SI8422AB-B-ISR,SI8460AB-A-ISLR,SI2418-B-FTR,C8051F562-AQR,SI8455BA-B-ISLR,C8051F544-AMR,CF340-PX0417GQR,SI3019-C-FTR,SI8900B-A01-GSR,SI8651ED-A-ISR,C8051T605-GSR,SI2434-D-FTR,C8051F811-GSR,SI3461-E03-GMR,CT604-XM0579GMR,SI3052-ZQ9R,BD0300X0300B,SI32269-C-FM1R,C8051F901-GUR,SI3450-B-GMR,SI8655BA-B-IUR,C8051F804-GSR,SI3456-F04-IUR,SI2434-D-FSR,C8051F363-GQR,C8051F703-GQR,C8051F320-GQR,SI2212-C-GQR,SI8900D-A-GSR,C8051F587-IQR,SI32360-C-FM1R,C8051F714-GMR,C8051F560-AQR,SI8661BC-B-ISLR,C8051F530-C-ATR,C8051T605-GMR,SI32267-C-GMR,SI3202-G-FSR,SI8232AB-B-ISR,CF321-PM0161GMR,SIL014-A-GMR,SI8236BA-C-IMR,SI8441BB-D-ISLR,S0-24L-A,SI8441AA-D-ISLR,CF412-XM0411GQR,SI3018-F-FSR,C8051F580-AQR,C8051F300-GMR,SI2415-D-GTR,C8051F041-GQR,SI2417-C-FTR,SI3456-E04-GUR,SI8235AB-D-IMR,SI8451AB-A-ISLR,SI8631BD-B-ISR,SI3080-F-FSR,C8051F544-IQR,CP2131-E01-GMR,SI3018-F-FTR,SI8621ED-B-ISR,C8051F755B-GMR,SI8660BA-A-ISLR,C8051T614-GQR,C8051F802-GMR,SI8220BD-D-ISR,C8051F551-AMR,SI8442AB-C-ISR,SI8230BB-D-ISR,SI8631BC-A-ISLR,C8051F122-GQR,C8051F542-IMR,SI2493-FTR,SI8430AB-C-ISR,C8051F585-IMR,SI8600AD-A-ISR,C8051F508-IMR,CT600-PX0422GSR,CP2132-F01-GMR,C8051F800-GMR,CT634-PX0475GMR,SI32392-B-GMR,SI4010-C2-ASR,SI32268-C-FMR,C8051F531A-IMR,SI8605AD-B-ISR,SI8641BA-C-IUR,SI3014-C-FTR,SI8233BB-D-ISLR,SI8435BB-D-ISR,SI8423BB-D-ISR,SI8422AB-D-ISR,C8051F300-GSR,SI8400AB-B-ISR,SI8660AD-A-ISR,SI4010-C2-ATR,SI8462BA-A-ISLR,SI8661BD-A-ISR,CP2101SX0229GMR,SI8640ED-B-ISR,SI8445BA-D-ISLR,C8051F757B-GMR,SI3201-GSR,CP2102XX0489GMR,CF311-PX0256GMR,SI3453C-B01-GMR,C8051F537-ITR,SI8430BB-C-ISLR,C8051F750B-GMR,SI8235AB-D-ISLR,CP2102SX0214GMR,SI5041-D-ZM1R,SI8450BA-B-ISLR,SI3244-D-GQR,SI8235BA-C-ISLR,C8051F221-GQR,SI8462AB-B-ISLR,CP2102SX0341GMR,ABX0092,C8051F526-C-AMR,C8051F536A-IMR,C8051F901-GMR,SI3024-ZS4R,SI8622EC-A-ISR,C8051F546-AMR,C8051F313-GMR,C8051F585-IQR,SI8630EC-A-ISLR,SI3112-A-ZM1R,CF332-PX0557GMR,C8051F967-A-GMR,SI4010-C2-ZS2R,SI3203-B-FQR,SI3239-C-FMR,CF921-PM0529GMR,SI3452A-B01-GMR,SI8234AD-D-ISR,SI8650BD-B-ISR,C8051F553-IMR,SI8663BC-A-ISLR,C8051T601-GSR,C8051F701-GQR,SI3220-G-FQR,CF340-PX0217GQR,C8051F996-GMR,C8051F829-GSR,C8051F503-AQR,SI8463AB-B-ISLR,SI5040-C-GMR,SI8431BB-C-ISR,C8051F385-GQR,CF022-PM0442GQR,SI2166-A10-FMR,C8051F813-GMR,SI3205-D-FSR,MS0P8-A,SI3066-B-FSR,SI8234AB-C-ISR,SI8660BC-B-ISLR,SI3066-B-FTR,SI3241-D-ZQ1R,SI8652EC-B-ISLR,SI8463AA-A-ISLR,C8051F523-C-AMR,CF360-SM0456GQR,SI8452BA-A-ISLR,SI8420BB-D-ISR,C8051F367-GMR,C8051F582-AQR,SI8900B-A-GSR,SI4010-C2-ZS1R,CF330-PM0254GMR,CF342-XM0487GMR,C8051F34D-GQR,CF320-PM0635GQR,SI8220CD-A-ISR,C8051F410-GQR,SI2435-C-FTR,SO20WP11,CF412-PM0379GQR,SI2435-D2-FTR,SI3225-G-FQR,C8051T630-GMR,SI8441BB-D-ISR,SI8651EC-B-ISLR,CT604-PM0508GMR,C8051F800-GUR,C8051F34B-GMR,SI8235BB-C-ISR,C8051F540-AMR,SI3073-F-FSR,SI3203-B-FMR,SI8650BC-A-ISLR,SI32261-C-GM1R,C8051F569-IMR,C8051F587-AMR,SI8220BB-D-ISR,C8051F965-A-GMR,C8051F583-IMR,SI3453D-B02-GMR,C8051F815-GSR,C8051F383-GMR,C8051F531A-ATR,SI8235BD-D-ISR,SI8606AC-B-ISLR,SI8600AC-B-ISR,C8051F352-GQR,CP2104PX0523GMR,S0IC16-A,SI3010-FSR,C8051F555-AMR,CF410-XM0634GQR,EIAJ7E2W24NA,S014-P,SI8620BC-B-ISR,C8051F521-C-AMR,SI8650EC-A-ISLR,SI32177-B-GMR,SI8642HD-A-ISR,SI8641BA-A-IUR,SI8635BD-A-ISR,TS50P28,C8051F023-GQR,C8051F980-GMR,SI3453A-B02-GMR,SI2438-A-FTR,SI8651BC-B-ISLR,C8051F327-GMR,C8051F912-GUR,C8051F582-AMR,C8051F501-AMR,SI3226-D-FQR,SI8663EC-A-ISLR,ML0404-A,CF340-XM0392GQR,SI8605AC-A-ISLR,SI8502-C-IMR,SI8663ED-A-ISR,C8051F710-GQR,SI8642ED-A-ISR,C8051F338-GMR,BD0700X0700J,SI8230BD-B-ISR,SI8442AB-D-ISLR,C8051
Si87XX容耦隔离器较Si86XX隔离器有何性能提升?
Si87XX单通道高性能数字隔离器,可取代传统光耦,在Si86XX隔离器性能的基础上增加以下性能:1、增强VED/IEC 60747-5-2,带10kv涌浪;2、可直接替代常见光耦;3、最适合:高性能光耦升级(寿命长,高可靠和高数据率)。
技术问答 发布时间 : 2017-05-05
Silicon Labs(芯科科技) Si86xxCOM-EVB评估板使用说明
型号- SI8622EC-B-IS,SI8642BB-B-IS,SI8642ED-B-ISR,SI8621EC-B-ISR,SI8621BC-B-ISR,SI8621BB-B-IS,SI8622BB-B-IS,SI8642BB-B-IS1,SI8621BC-B-IS,SI8642AB-B-IS1,SI8622BC-B-IS,SI8621EC-B-IS,SI8642BC-B-IS1R,SI86XXCOM-RD,SI8622BB-B-ISR,SI8622ED-B-IS,SI8621BD-B-ISR,SI8642BA-B-IU,SI8621AB-B-IS,SI8642BT-ISR,SI8622,SI86XXCOM-EVB,SI8642AB-B-ISR,SI8622ED-B-ISR,SI8642BD-B-IS,SI8621,SI8642BD-B-ISR,SI864X,SI8642AB-B-IS1R,SI8622BD-B-IS,SI8642ED-B-IS,SI8642EC-B-IS1,SI8622BC-B-ISR,SI8622EC-B-ISR,SI8621BB-B-ISR,SI8621AB-B-ISR,SI8642BB-B-IS1R,SI8622EB-B-ISR,SI8642AB-B-IS,SI8621ED-B-ISR,SI8622BD-B-ISR,SI8622EB-B-IS,SI8642EC-B-IS1R,SI8642BB-B-ISR,SI8642BA-B-IUR,SI8621ED-B-IS,SI8642,SI8642BC-B-IS1,SI8621BD-B-IS,SI862X
Si8410/20/21 LOW-POWER SINGLE AND DUAL-CHANNEL DIGITAL ISOLATORS
型号- SI8410BB-C-IS,SI8420AB-D-IS,SI8421AB-D-IS,SI8620AB-B-IS,SI8621AB-B-IS,SI8410AB-D-IS,SI8420BB-C-IS,SI8421BB-C-IS,SI8610AB-B-IS,SI8420AB-C-IS,SI8421SV-C-IS,SI8421BB-C-IS,SI8421BX,SI8410BB-D-IS,SI8410,SI8420BX,SI8421AB-C-IS,SI8410AB-C-IS,SI8410AX,SI841X,SI8421AB-C-IS,SI8610BB-B-IS,SI8620BB-B-IS,SI8420SV-C-IS,SI8420BB-D-IS,SI8421SV-C-IS,SI8410AB-C-IS,SI8410BB-C-IS,SI8421BB-D-IS,SI8420BB-C-IS,SI8420BB-D-IS,SI8420SV-C-IS,MP1763C,SI8420,SI8410BX,SI8420AX,SI8421,SI8420AB-D-IS,SI8421AB-D-IS,SI84XX,SI8421BB-D-IS,SI8421AX,SI8410AB-D-IS,SI8621BB-B-IS,SI842X,SI8420AB-C-IS,SI8410BB-D-IS
数字隔离器Si86xx系列使用中支持的最大信号频率是多少?
数字隔离器Si86xx系列的比特速率规格高达150Mbps,因此最大频率是它的一半(75MHz)。
技术问答 发布时间 : 2017-05-05
Silicon Labs(芯科科技) Si861x/Si862x数字隔离器 数据手册
型号- SI8622EC-B-IS,SI8620ET-ISR,SI8621EC-B-ISR,SI8621BC-B-ISR,SI8620ET-IS,SI8621BB-B-IS,SI8622BB-B-IS,SI8622BT,SI8620BT,SI8622BT-ISR,SI8610BC-B-ISR,SI8610AB-B-IS,SI8621BC-B-IS,SI8622BC-B-IS,SI8620BC-B-IS,SI8620AB-B-ISR,SI8620BB-B-ISR,SI8610EC-B-ISR,SI8620BB-B-IS,SI8610,SI8620EC-B-IS,SI8621EC-B-IS,SI8622BT-IS,SI8622BB-B-ISR,SI8620ED-B-ISR,SI8621BT-ISR,SI8621BT-IS,SI8622ED-B-IS,SI8621BD-B-ISR,SI8621ET,SI8610BB-B-ISR,SI8622ET-IS,SI8621AB-B-IS,SI8622,SI8620ED-B-IS,SI8622ET-ISR,SI8622ED-B-ISR,SI8620,SI8621,SI8620BC-B-ISR,SI8620BD-B-IS,SI8622BD-B-IS,SI8610ED-B-ISR,SI8620EC-B-ISR,SI8622BC-B-ISR,SI862XXT,SI8621BT,SI8622EC-B-ISR,SI8610BB-B-IS,SI8610ED-B-IS,SI8621BB-B-ISR,SI8621ET-ISR,SI8610BC-B-IS,SI8610EC-B-IS,SI8621AB-B-ISR,SI861X,SI8610BD-B-IS,SI8622EB-B-ISR,SI8620BD-B-ISR,SI8610AB-B-ISR,SI8621ED-B-ISR,SI8622BD-B-ISR,SI8622EB-B-IS,SI8620EB-B-IS,SI8622ET,SI8620ET,SI8620AB-B-IS,SI8621ET-IS,SI8621ED-B-IS,SI8620BT-IS,SI8621BD-B-IS,SI862X,SI8620BT-ISR,SI8610BD-B-ISR
【技术】针对恶劣环境下的工业和HEV/EV应用,功率和信号隔离一个都不能少
隔离对于维护数据完整性和保障用户/设备安全至关重要。集成信号和电源的隔离是各种模拟I/O端口实现紧凑且鲁棒的理想解决方案。
技术探讨 发布时间 : 2019-07-23
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品牌:SILICON LABS
品类:Switch Hall Effect Magnetic Position Sensor
价格:¥2.2924
现货:126,000
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可定制波导隔离器频率覆盖5.5GHz~110GHz,插损损低至0.25dB、隔离度、正向方向功率、封装尺寸参数。
最小起订量: 1pcs 提交需求>
可定制射频隔离器/环行器(10M-40GHz),双工器/三工器(30MHz/850MHz-20GHz),滤波器(DC-20GHz),功分器,同轴负载,同轴衰减器等射频器件;可定制频率覆盖DC~110GHz,功率最高20KW。
最小起订量: 1 提交需求>
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