【选型】德欧泰克二极管在智能电表应用的型号推荐以及具有抗雪崩能量特性的AM2000用于输入端整流的优势
智能电表是基于现代通信技术、计算机技术、测量技术,对电能信息数据开展采集、分析、管理的先进计量装置。目前智能电表的主要作用是电能数据采集、电能计量和电力信号的传输,智能电表比传统电表更加可靠性高,高精准确,以及低功耗,因此大量低功耗以及高可靠性与稳定性的电子元器将会采用。德欧泰克的高压二极管,TVS管,肖特基二极管都可以广泛应用于智能电表的电源与控制保护电路。
本篇主要介绍智能电表的电源供应级与主控制保护级电路型号推荐,最后还介绍具有抗雪崩能量的SMD恢复整流二极管AM2000与普通高压SM2000对比解释;如下型号均是德欧泰克与国内外电表客户成熟交易的型号。
图1 智能电表示意图
--> 基于贴片封装SMA SMB EPOS工艺的二极管,反向耐压达到2000V的S1Y、S2Y主要作为输入整流;
--> 基于Melf封装的抗雪崩能量的整流二极管,比如AM2000,主要应用于辅助级或高干扰输入端;
--> 超小封装SOD-123F的第3代肖特基超低正向导通压降以及超低漏电流SKL14、SKL110 应用输出整流;
--> SMA 封装反向耐压150V ,正向电流IF=6A 的第3代肖特基技术的二极管 SK315SMA 应用输出整流;
--> TVS管/超快恢复二极管组合,用于保护电路的TGL200U06、PKC-136;
电源部分:
图2 电源供应级原理框图
1. 输入/输出整流
1.1如下二极管我们都是采用EPOS 非平面的二极管工艺,此VRRM=1600V-2000V,内部均为一颗晶圆焊接完成,其他品牌有存在使用两颗晶圆进行串联焊接而成,当两颗晶圆焊接而成时需要考虑这个产品一致性问题。
表1.1 高压整流管与雪崩能量整流管
1.2 肖特基优势 :
德欧泰克肖特基产品在硅晶圆基础上进行更新,自主研发第三代肖特基特殊制作的工艺与结构,该结构是在 SBR 超势垒工艺的基础作了进一步改善与创新,并且该工艺是独家专利,从如下4张结构图得知,在金属面作了重叠加厚,同时把N-中的P型保护环结构沟槽挖深与增加大,这样可以通过第3代肖特基工艺令到肖特基正向导通电压VF减到最低,来减少输出损耗,增加输出效应,同时也会把反向漏电流IR减少,以致增加产品寿命与整机的可靠性;
表1.2 输出整流的第3代肖特基
2. 缓冲器/电路保护
2.1 TVS选型此部分推荐较小的封装MiniMELF封装的TGL34-6.8以及SOD-123F封装的SMF5.0A。
MELF 圆柱形式 与贴片SMA 比较起来散热效果更好,主要原因圆柱体MELF是采用横截面较大圆形铜柱进行上下对着焊接,SMA 贴片是采用横截面较小的铜片进行上下焊接。
2.2 超快恢复二极管推荐MiniMELF封装EGL1G 系列;
表2.2 为超快恢复二极管选型列表
2.3 TVS 与超快恢管组合管
TGL200U系列将200V TVS管和Vrrm为600V至1000V的超快二极管组合在一个单独的DO-213AB/Melf封装中。因此,这个位置通常是由两个独立TVS管与超快恢二极管进行焊接在电路中,TGL200U是个两合一的组合封装,该型号可以节省电路板的该处的位置。另外还提供200V TVS管和Vrrm为600V至1000V快速恢复二极管TGL200F系列。TVS管+ 超快恢二极管组合管是德欧泰克专利技术,该组合管主要优势省PCB板layout空间。如下是优势产品型号,样品均可在世强官网进行申请测试。
表2.3为TVS与超快恢管组合管选型列表
控制与保护电路:
图3 电路控制与电路保护设计框图
在控制与保护电路方面,DIOTEC也有非常多样且成熟的产品选择,本文推荐以下型号:
小信号三极管推荐MMBT2222A和BC846C、BC846CW;
恒流二极管管推荐CL10M35~CL40M35系列和CL10MD~CL30MD系列;
ESD保护二极管推荐ESD3Z5V0、ESD3Z12和ESD5Z5V0~ESD5Z12系列;
并联电压调节器方面,MMTL431基准电压与稳压管稳压 BZT52C3V3都是智能电表经常使用到的型号,把MMTL431基准输出电压调到3.3V与低压的稳压管BZT52C3V3比较,MMTL431具有非常稳定以及高精确输出电压,而且是低功耗。
7. 具有抗雪崩能量AM2000与普通高压SM2000比较说明
SM2000、AM2000均是德欧泰克的产品。AM2000与SM2000参数比较如下,极力推荐电表客户选择AM2000作为前端输入整流。
7.1 智能电表输入端整流前面通常会加压敏电阻 与 SM2000,通常该压敏电阻压敏电压是510 V , 根据工业级的压敏电阻规格书得知,510V的压敏电阻是可以吸收低于非重复性反向峰值电压VRSM1355V,当输入端出现缓慢高能量异常时,压敏电阻是可以完全吸收该高电压,SM2000安全使用;压敏电阻+SM2000 的成本的价格较低。
7.2 当输入端出现快速低能量异常时,异常峰值高电压达到2050V以上时,由于压敏电压吸收电压时间慢,剩下异常峰值电压会损坏SM2000,SM2000反向耐压2000V ,它在这整流电路已经没有任何余量;如再使用压敏电阻+SM2000 则不可行;如我们选择压敏电阻+反向耐压VRRM2000 V ,VRSM大于2050V 时二极管时,是可以抵抗钳住该异常峰值高电压,但是此时该二极管会发热,热量也会令该整流二极管出现损坏情况,加上VRRM =2000V,VRSM > 2050V 的二极管成本会相当昂贵。
7.3 针对以上问题,具有抗雪崩能量特性、VRRM=2000V,VRSM>1650V的AM2000,当输入异常峰值高电压2050V时,由于AM2000 的VRSM为1650 V 则可以在异常峰值未达到2050V时,AM2000钳住该异常电压,另外,AM2000的雪崩能量特性也可以大量吸收瞬间能量与热量。压敏电阻+AM2000 轻易解决输入端出现快速低量能异常。
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Littelfuse(力特)电路保护产品选型指南
目录- Company profile Circuit Protection Technologies Overcurrent/Overvoltage Protection device ESD Suppression Solutions Overcurrent Protection/Overvoltage Protection Applications Common Circuit Threatsand Protection Solutions Fuses Fuse Holders PPTC Devices Varistors Gas Discharge Tubes ESD Suppressors TVS Diode Arrays Protection Ics TVS Diodes PLED Bypass Protectors SIDACtor® Protection Thyristors Circuit Breakers
型号- PXXX0SAMC,LS2406ERQ23,1812L,LVR,SPHV,30KPA-HR,456SE,456SD,15KPA,345 SERIES,ITV9550 30A,AQ24CANFD,SDP,AC,RUEF110S,LS2406ERQ33,PXXX2AC,MICROSMDCH,562 SERIES,AQ1003-01ETG,SDPXXX0T023G5,150603,800,801,802,804,806,807,BA,808,BB,PGB2,PGB1,P4SMA,TSM600,PTF070,MICROASMD,SC1103C-01UTG,PTF078,PTF077,LS0504EVT233,PTF075,AQXXC-01LTG,810,811,356 SERIES,5KP,813,FB65,814,FB66,CA,CG,CH,PTF080,286677,PICOASMDCH,PXXX2AX,MINIASMDC,SMF4L,121004,B61089BDR,282008,121001,282007,820,121003,AK10-Y,821,121002,282002,823,824,282001,FB55,DA,828,DB,FB58,NANOASMDCH,820-20,830,831,834,835,TP5KP,101001,3453,3452,605,606,RKEF,607,PXXX2ACMC,LS12052BD33,AGRF,PTF0080M,B61089QDR,RUEF135V,850,851,852,3455,853,AHEF100,60R,617,618,GTCX36-XXXM-R05,PXXX0Q12X,860,862,HA,HB34,GTCX36-XXXM-R10,2920L,SP8008,AQ4337-01ETG,155 SERIES,P6SMB,803-01 SERIES,SLD,810 SERIES,870,PTF015,874,875,876,342 SERIES,877,5.0SMDJXXS-HRA,348 SERIES,30KPA,SM7,SM24CANB,SMCG-HR,TSV250,FC09B1606NL-0,SMD,SMF,TPSMB-VR,881,35408 SERIES,OMN002,400,OMN004,885,35406 SERIES,881 SERIES,OMN006,646,405,647,V20H275AUTO,407,649,RXEF,101010,52100001009,AQ24CANA,AQHVXX-01LTG,656,101002,PXXXXDF,658,101003,5KPA-HR,824-20 SERIES,5.0SMDJ,570 SERIES,AQ3530-01FTG,B-SERIES,662,663,422,664,665,LA,SMBLCE-HR,L-SERIES,AQHVXX-01LTG-C,PTF050,SC1105-01UTG,PTF055,G-SERIES,435,437,438,A-SERIES,870 SERIES,PTF065,440,RGEF,437A,441,SP1103C,443,202,203,254 121,445,446,688,447,3453 SERIES,448,449,208,209,TR600,04450001,PTF030,438A,451,SRP,452,453,454,TSM250,PTF035,213,456,215,821 SERIES,458,216,LV ULTRAMOV,459,217,218,SP3401,SP3400,AQ3522-01FTG,TPSMC,FHN26G2,TPSMB,PTF040,TPSMD,LS2405IDD23,PTF045,460,461,5KPA-HRA,462,220,464,465,466,224,467,225,576 SERIES,468,254 101,229,BXXX0CX,SL0902A,102080,470,BXXX1UX,471,472,230,473,232,233,501A,476,234,235,477,MIDSMD,PXXX4UCMC,239,MHS,850 SERIES,813 SERIES,AQ1205-01ETG,483,RA,485,487,802 SERIES,259UL913,ITV4030 22A,SM20,345121,102064,254 201 - 208,251,494,PLEDXUX,253,SD,SE,SG,SH,259,4.0SMDJ,SL1002A,SM,15KPA-HRA,15KPA-HR,GTCX37-XXXM-R10,102074,102076,102079,102078,NANOSMDCH,GTCA28-XXXM-R03,NY61AP,262,102071,263,265,266,3.0SMC,267,DSLP,268,269,LOW RHOPTC,520 002,520 003,520 004,SL1003A,520 005,1KSMB,345101,MLA,LS24062RQ23,1210L,AQ36CANA-02HTG,445073,MLE,MHP-TAM15,272,273,MLN,M-SERIES,274,E-SERIES,275,278,279,AQ3102-02HTG,MHP-TAC6,803-01,MHP-TA,285,AQ3041,SMBLCE-HRA,PLEDXUSXA,SP4322-01ETG,AQ3045,TP1.5KE,SP4208,SC1205-01ETG,820-20 SERIES,354 SERIES,CG33.0L,SP11XX,359 SERIES,MS-SERIES,111 SERIES,100 SERIES,NANOSMDC,346877,PICOASMDCH010F-2,340 SERIES,AHRF300,AHEF,342025,342024,342021,ZA,AQ3400,XGD,FH604,AQ1250-01ETG,PXXX3ACMC,FH602,PXXX6U,SP4010,342006,PLEDXN,SZD200,HG34,PLEDXS-A,J-SERIES,824 SERIES,FEMTOASMDC,ITV5432 30A,AK6-Y,557 SERIES,SL1021A,SL1021B,SP4020,SP4022,SP4021,SMDCH,SP4024,281010,SP4023,PLED,MINISMDC,AXXXXUX6,254 011 - 008,SMTAK3,PXXX0Q22XLH,MHP-TAM6,AK15,445005,281007,154T,281008,281005,AK10,AQ1005,51800001009,PXXXXS4X,ITMOV,354701 SERIES,483A,445004,LS05006VPQ33,SP4044,BXXX1UC4,SP4045,5200001,SMBJ,AQXX-01LTG,AQ7538-08UTG,SP1064E-04UTG,TCF250,SMTOAK2,SMAJ,AQ7520-08UTG,PXXX3AX,NANOASMDC,461E,811 SERIES,800 SERIES,157T,FC51,PXXX1U,PXXX1S,TRF250,SMBJ-HRA,SMDJ,CG3,SP3384NUTG,CG2,CG5,CG4,2205,CG7,B3XX4UX,CG6,VLP,VLR,0603L,PLEDXUX-A,SMCJ,PICOASMDC,LS0504EDD12,SMD2,PXXX0Q22C,GTCX35-XXXM-R05,SMDJ-HR,SMDC,TMOV34S,AHRF,440A,AXGD10603NR,K-SERIES,TPSMC-VR,H-SERIES,SZ1SMB,SZ1SMC,SZ1SMA,219XA,AK20-Y,ITV9550L2030MR,441A,SZ1.5SMC,SP1250-01ETG,C-SERIES,SC1210-01ETG,TB-SERIES,0402L,ITV9550 45A,AHRL,DHB34,FHN26W,AUML,TP6KE,LTKAK3,AQRV05-4HTG,LTKAK2,72R,977,TLP,LTKAK6,AQ15CANA-02HTG,PXXX3AC,SP3205-01ETG,501,3452 SERIES,504,505,506,507,GTCX23-XXXM-R01,508,8.0SMDJ,PXXX3U,100060,100061,100062,122090,100063,100064,100065,PXXX0SX,100066,SC1533-01LTG,SPHV-C,AHS,122093,150318,TS600,150319,150316,150317,150315,AQ3102-02JTG,150312,513,514,100058,100059,2016L,286377,122088,122087,559 SERIES,122083,GTCX26-XXXM-R05,521,523,AK15-Y,100067,526,150322,527,PXXX2SXLH,SL1411A,AK1,AK3,AK6,VTP,422A,SMCJ-HRA,ASMD,C-III,SR70,0805L,860 SERIES,RHEF,SMF3.3,303,304,305,308,35409,35408,35407,35406,TPSMA6L,PXXX2SX,SP724,SP725,SC1115-01UTG,TSL250,LOW RHO,HMOV,SP723,SP720,SP721,312,313,30R,314,556,315,557,559,318,SLD6S,SP1305,SP712,560,562,322,564,324,325,326,328,SLD5S,CX-SERIES,570,571,332,SLD8S,PXXX0SD,576,TRF600,PICOSMDC,3.0SMCJ,SZSMF,LS1205EVD33,SP1326,AQ12CANA-02HTG,340,150307,100,342,FHN20G,344,345,35407 SERIES,348,SMAJ-HRA,150300,AUMOV,LTKAK10,445 SERIES,SC1333-01ETG,RUEF,GTCX25-XXXM-R02,GTCX25-XXXM-R05,LS0502SCD33,111,354,356,52000001009,359,824-20,SP3420,150274,RUSBF,SP1003,SP3422,PXXX0ME,564 SERIES,SP2555NUTG,51900001009,10207101009,520 101,369,SL1122A,571 SERIES,SP1233,AQ2555NUTG,SP1255P,600R,PXXX4UX,WB07B0606LG,370,372,1.5SMC,TLPA,373,1.5SMB,374,SZSMF4L,377,820 SERIES,254 131,PXXX1CX2,SEPXXXXQ38,00300210,SZW200,TP5.0SMDJ,523 SERIES,SP1005,SP1006,CG32.0L,382,AQ1205-01FTG,383,385,35409 SERIES,407A,V14H460AUTO,SMA6L,391,392,CG32.5L,N-SERIES,SMA6J,395,3425L,F-SERIES,154,396,397,398,157,399,159,SC1122-01UT
采用DO-213AB外壳封装的整流二极管为LED灯具提供4000V电压反向电,确保路灯的可靠运行
德欧泰克的SM4000整流二极管在单个DO-213AB外壳封装下提供了4000 V电压反向电。过压浪涌几乎不会损坏输入级,从而确保路灯的可靠运行。这些二极管的平均正向电流为1 A,足以满足通常使用的LED驱动器的功率需求,并且它们的小尺寸可以节省空间的电路板组件。
应用方案 发布时间 : 2024-01-26
【方案】电子电表(智能电表)之Central Semiconductor(中央半导体)型号推荐
描述- 全球的能源需求是永无止境的。 随着能源需求的增加,消费的实时监测和监管越来越重要。 智能计量可以协调能源生产和需求之间的平衡,立即报告中断,并为消费者提供管理个人消费的工具。 Central Semiconductor(中央半导体)分立器件对智能电表有效可靠运行至关重要,可用于智能电表拓扑的所有功能。
型号- CMUT3904,CZT2222A BK,1.5SMC200CA BK,P6SMB,CMUT3906,CMUDM8005,CSL05D,CMR2U-06,3SMC,CMJH100,CMOZ15V,CMLDM7005,CMUT3904 TR,CMKSH-3T,CTLTVS12,CBR4M-L040,CZT2222A,1SMC170CA,1.5SMC200CA,CBR1-D040S,CMOZ3V3,CMASH-4,CBR1-D060S,CMXD2004,CSL05,CMUT3906 BK,1SMC170CA TR13,CMJH150,CZT2222A TR,CMHZ5226B,CMPDM302PH,CBR2-D060S TR13,CMR3U-06M,CBR2-D040S,CBR2-D060S,CMNTVS12V,1.5SMC,1SMC,CMLSH05-4,CMOD2005,CMHZ5245B,CMSH3-60M,P6SMB200CA,3SMC170CA,CMPLC1V5D,1.5SMC200CA TR13,CMUT3906 TR,CMUDM7005,CMPDM203NH,CMSH5-60,1SMC170CA BK,1SMB170CA,CMUT3904 BK,CMRSH-4DO
BAV23I, BAV23CA, BAV23CC, BAV23SE SMD Small Signal Diodes
型号- BAV23CC,BAV23SE,BAV23CA-Q,BAV23CC-AQ,BAV23I,BAV23SE-Q,BAV23CA
BAS16DW, BAV70DW, BAV756DW, MMBD4448SDW SMD Small Signal Diode Arrays
型号- BAV70DW-AQ,BAS16DW,MMBD4448SDW-AQ,BAV756DW,BAV70DW,MMBD4448SDW,MMBD4448SDW-Q,BAS16DW-AQ
PANJIT(强茂)应用于智能仪表的桥式整流器/次级肖特基/二极管/VCC整流器/MOSFET选型指南
目录- Smart Meter Component Introduction ESD Array Power Managment Component
型号- SVM1060UB,G1M,PEC33712C2A,PJD4NA70,PE1605M1Q,PE1805C4A6,PEC1205S1Q,SVM1045V2B,PE1805C4C6,PE1805C4E6,PE1403M1Q,U1M,PJS6631,BAT54,BAV99,PJP4NA90,PJS6832,DI2010S,P2AL,PJD2NA70,BAT721S,PJA3411,P6AF,PJP2NA90,PJA3419,B1010S,SVT10100UB,BAT721C,PJT138L
BAS16W, BAW56W, BAV70W, BAV99W, BAV199W SMD Small Signal Diodes
型号- BAW56W,BAS16W-Q,BAS16W,BAV199W,BAV99W-Q,BAV99W-AQ,BAV199W-AQ,BAV70W-AQ,BAV99W,BAV70W,BAW56W-Q
电子商城
品牌:硕凯电子
品类:Surface Mount Transient Voltage Suppressors
价格:¥0.1250
现货: 321,221
现货市场
服务
可定制LAMP LED、 CHIP LED、 PLCC LED、 汽车用车规级LED、COB LED的尺寸/电压/电流等参数,电压1.5-37V,电流5-150mA,波长470-940nm。
最小起订量: 30000 提交需求>
可定制单色光灯珠、双色灯珠、全彩灯珠、发光二极管、贴片灯珠、贴片LED等产品,尺寸:0.6*0.3mm-3.2*2.7mm,波长:405-940nm,亮度:24-750mcd,电压:1.5-3.5V。
最小起订量: 3000 提交需求>
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