通信芯片防护:如何选择合适的TVS TSS器件?
一、引言
在现代工业自动化、能效监测、智能仪表等应用领域中,通信接口如RS-485、RS-232、CAN等芯片被广泛应用于实现设备间的高效数据交换。然而,这些接口产品经常工作在电磁兼容性(EMC)挑战极为严峻的环境中。生产和应用环境中的瞬态冲击,不仅可能导致通信信号失真和数据传输错误,还可能损坏通信接口芯片,导致整个系统的失效。TVS和TSS作为典型的电路保护器件,能够为通信芯片提供必要的保护。本文将探讨如何选择适合的TVS和TSS器件,为系统设计提供可靠的解决方案。
二、TVS和TSS的对比
在电子设备的生产过程和终端客户应用中,保护接口芯片免受各种电过应力事件的影响是一个不可忽视的问题。TVS/TSS保护管常用于上述用途,因为它们可以通过生成低阻抗电流路径来钳制电压尖峰。
TVS对冲击的抑制
TSS对冲击的抑制
图1 TVS TSS对冲击波形的抑制作用对比
TVS管跟TSS管二者的封装类型是类似的,但是二者的吸收效果却有一定的差异。TVS管,全称瞬态电压抑制二极管;TSS是电压开关型瞬态抑制二极管,或者叫做半导体放电管。从名称上可以直观地看出二者的抗干扰能力区别, 吸收效果可以通过图1来简单地理解,TVS的残压非常稳定,对瞬态冲击可以起到更好的抑制作用,TSS存在尖峰脉冲。
TVS TSS的关键参数
TVS
TVS Vc=10.5V
TSS
TSS Vs=12V
以智能电表应用为例,上述为智能电表中RS-485芯片常用的TVS和TSS保护器件,在进行选型的时候,需要特别关注的指标如下:
Vrwm/Vdrm
TVS的Vrwm和TSS的Vdrm要高于芯片的工作电压,才能确保没有冲击时,不会影响芯片的正常通讯。
VC/VS
TVS的VC(钳位电压)相对较低,以SMB6.8CA为例,在10.8V;
TSS的VS(转折电压)从最初的25V降至12-15V,但是多次重复测试,尖峰残压值不稳定。
结电容
低压TVS的结电容在nF量级,TSS为几十pF,更适用于高速应用的场景,特别是国网电表提速后,以前使用的防护器件无法满足新的应用要求,表厂通常选择VC更高的TVS以减小结电容,或者更换为TSS。
响应时间
TVS/TSS的规格书通常对此不做标注,可以根据快速瞬变信号的残压信号作对比测试,或者采用VF-TLP设备测试峰值电压的波形,同等规格的TVS的响应时间通常优于TSS。
额定功率Pppm
TVS/TSS产品的额定瞬态功率应大于电路中可能出现的最大瞬态浪涌功率。
三、应用实例
TVS/TSS方案是最基本的防护方案,为了适应不同的应用场景以及不同的接口芯片,上海贝岭给出几个应用实例。
单端总线的应用实例
上海贝岭以RS-232接口为例,给出单端总线的TVS防护方案。
图2 RS-232 外围应用图
图2为RS-232电路的外围应用图,根据RS-232芯片的工作电压和极限电压,可以选用的双向TVS为SMB8.0CA,总线上串联的100欧姆电阻也起到了一定的限流作用。
差分混合网络的应用实例
随着系统的复杂度和通信速率不断提升,混合网络的需求日益增加,以电力行业的集中器和采集终端为例,CAN和RS-485共用外围防护器件以及通信线缆,外围应用如图3所示:
图3 混合网络的外围应用图
在混合网络中,CAN收发器总线的极限电压通常在40V以上,明显高于RS-485收发器,所以工作电压和极限电压按照RS-485的参数进行选择。同时在该系统中,RS-485通信速率为115200bps,CAN的通讯速率为1Mbps,需要考虑保护器件结电容的影响。
对于通讯速率低于9600bps的智能电表而言,可以选择TVS,对瞬态冲击具有较好的抑制作用,例如SMBJ6.8CA。对于115200~1Mbps智能仪表设备,由于结电容的限制,可选用TSS器件。需要关注的是,响应时间和VS需满足系统以及接口芯片的要求,其中VS不能超过RS-485芯片AB端的极限电压值。由于集中器需要进行380V防错接测试,所以总线上需要接入RTA/RTB热敏电阻,配合TSS确保通信芯片的安全。热敏电阻的型号可以参考MZ11-10A200-300RM,如果总线上只在A端接入一颗热敏电阻,则建议采用MZ11-10A300-600RM。
四、结论
在实际应用中,选择合适的TVS/TSS防护元件至关重要。对于需要极快响应速度和较低钳位电压的应用,TVS二极管是首选,而对于高速数据传输的应用,TSS保护器件提供了更多的选择。
无论是选择TVS还是TSS,都需要根据具体的应用场景和技术需求进行权衡。合理选择和使用防护元件,可以显著提高接口芯片的可靠性和耐用性,确保电子设备的稳定运行。
表1为上海贝岭RS485、RS232产品选型表,可以根据不同的应用场景进行多样化的选择。
表1 RS485、RS232产品选型表
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本文由Lluvia转载自上海贝岭公众号,原文标题为:通信芯片防护:如何选择合适的TVS TSS器件,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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目录- Electrostatic Discharge Protection Devices Transient Voltage Suppressors Thyristor Surge Suppressors Gas Discharge Tube Spark Gap Protectors Multilayer Chip Varistor Polymeric Positive Temperature Coefficient Thin Film Common Mode Filter Silicon bilateral voltage triggered switch RJ45 Network connectors
型号- 15SMBJ78CA,SMAJ6.0CA,SMAJ40CA,SMBJ20A-AT,SM8Z20A,15KP58A,UN2K8-400SMD,SMD1206-350,SMDJ78CA,UN3E8-75HM,P0300SC-2L,ESD05V02D-CP,UN3E8-75HP,TPSMB30CA,SMDJ16A-AT,15SMBJ7.5CA,UNC-301N-SMD,TPSMCJ18CA,PESD0603E12V,UN6-200,05D511K,20D241KYC,5.0SMDJ85C,SMDJ36CA-AT,5.0SMDJ85A,K2200G,UN0402E18V120P,SMCJ100CA,ESD15V52D-LCF,5KP30C,5KP30A,SMF120CA,SMBJ150CA,SMDJ170A,SM8Z33CA,TP5.0SMDJ28CA,53D681K,SMDJ170C,3KP80CA,UN2K8-800L,UN135-250,SMCJ30C,32D122K,SMCJ30A,UNA-471M,SA180C,SMAJ70CA-AT,K0900G,SM8Z24A,SA180A,4.0SMF5.0A,15KP54A,20D781KJ,SMF190A,P6KE8.2CA,TPSMA82A,P4KE180A,P4KE180C,14D181KSC,ESD24V26T-5L,20D331KYC,P4SMA82CA,SMF3.3A,TP5.0SMDJ15CA,SM8Z22A,MCM3216B SERIES,SMDJ160CA,SMBJ400CA,SMCJ80CA,SMD1812-200-24V,PXXXXLB,PXXXXLC,P6SMB51CA,PXXXXLA,ESD24V26T-4L,4.0SMF12CA,TPSMB43CA,ESD0402-240E2R5,SMDJ400A-AT,TPSMB110CA,ESD08V88D-C,SMCJ220CA,5.0SMDJ64CA-AT,5.0SMDJ80A,SMCJ440A-AT,10SMBJ40CA,5.0SMDJ80C,P4KE SERIES,SMD1206-075-16V,TP5.0SMDJ33A,15KP22CAS,UN2E8-90MSMD,5KP36C,5KP36A,UN135-200,SMCJ170CA-AT,UN3220-511H,ESD05V88D-2LA,SMAJ18CA,SA17CA,UN3E6-470MM,1.5KE170CA,25D122K,5KP90CA,5.0SMDJ160CA-AT,TPSMCJ40CA,SMF,TPSMAJ13CA,UN3E5-XXXL,3KP45CA,07D301K,10SMBT28A,SMD1210-075,UN1812-120H,TPSMBJ20CA,3KP58CA,K2600SD1,TPSMBJ40A,1.5SMC440A,UN3E6-350MM,07D431K,10D471KJ,UNS3220-180K,UN2E8-600MSMD,P6SMB520A,UNS2K SERIES,UN1812-121H,20D911KJ,SMAJ440CA-AT,20D511KYC,P6SMB16CA,P6KE500C,UN250-250,P6KE500A,SMBJ90C,15SMBJ9.0A,UN2220-470HS,ESD12V12D-A,SMBJ90A,ESD12V12D-C,UN3E8 SERIES,SMBJ12CA,TP5.0SMDJ30A,TPSMAJ26CA,UNA SERIES,SMD1210-050,PESD0603E18V,SMDJ11CA-AT,UNS3220-181K,SMBJ5.0A,SMBJ350CA-AT,SMBJ5.0C,TCF03025FH35002A,UN1206-270H,SMD0805-075,UNC-SMD SERIES,20D220K,SMBJ9.0,ESD15V52D-LAF,5.0SMDJ180A-AT,PESD0603E15V,SMD1210-020,UN1210-760H,UN3E8-75HSMD,6.0SMAJ,UN0402E SERIES,UN6-250,TP5.0SMDJ36A,SMBJ58A-AT,SMDT58CA,P4SMA47CA,ESD24V32D-C,UN3E6-230MM,ESD24V32D-A,SMD1210-035,UN2E5-XXXLL,ESD0402-5R5E500,SMD1210-005,07D560K,SMBJ85A-AT,20D,UN250,PXXXXDM,P4KE400A,MCM3216B121,P4KE400C,PXXXXTB SERIES,40D431KJ,ESD03V32D-LCD,10D101K,TPSMBJ33CA,ESD03V32D-LCA,SMCJ90CA-AT,SMD0805-050,ESD03V32D-LCC,07D561K,10SMBJ18CA,TPSMDJ12CA,P6KE27CA,SMBJ30CA-AT,SMCJ120A-AT,PXXXXEC,5KP33A,SMCJ16CAS,UN1210-200BSMD,PXXXXEA,10D102K,34S1000J,PXXXXEB,14D911K,20D221K,SMD1210-150-12V,07D821KJ,SMD1210-010,5KP33C,TPSMA6J13A,20D470KJ,UN2E8-150M,SMDT45CA,15SMBJ17CA,TPSMA6J13CA,SMAJ14A-AT,10SMBT33A,SMD0805-035,ESD05V32D-A,UNB-201N-SMD,TPSMA6J14A,SA9.0,UN3E6-350M,POE SERIES,UN135-1100-S,TPSMBJ33A,SMD0805-020,UN3E8-75H,10D112K,UN135-1100-C,UNB-181N,ESD05V88D-CDN,UN2E8-150H,14D561K,TPSMB91CA,TPSMAJ SERIES,TPSMA6J15A,ESD08V52D-HA,TPSMBJ36A,SMCJ7.5C,SMCJ7.5A,SMAJ400A,SMF19CA,UN3E5-150L,SA90A,UN1812 SERIES,SA90C,10D241K,SMD0805-010,10SMBJ180A,14D431K,LCDA05C-8,LCDA05C-4,25D,P6KE220CA,SA40CA,ESD05V32D-C,HCM1012GD900B05,10SMBT7.5A,ESD05V88D-CBP,10D821KEC,SMD0805-005,UN2E8-150ML,UN1812-760HS,ESD05V88D-CBD,SMCJ64A-AT,SMBJ48CA-AT,P3800TB,TPSMBJ30A,P3800TA,SMDJ90,UN3220-471HS,P6KE100CA,5KP28C,SMDT7.0A,P6SMB SERIES,5KP28A,14D681KJ,TPSMA100A,P3800SC,P3800SB,SMDJ85,6.0SMAJ54CA,ESD30V12D-C,P3800SA,ESD30V12D-A,SMDJ80,SMAJ8.5CA,SMAJ180C,SMAJ180A,UN2E5-90LSMD,TP5.0SMDJ40A,SMDJ75CA-AT,20D122KJ,10SMBT36A,ESD3.3V04D-LC,SMAJ350CA-AT,14D361KSC,5.0SMDJ220A,SMDJ78,UN30-160,UN16-900,ESD05V08P-LC,SMDJ75,25D121K,5KP8.0C,14D561KJ,SMDJ70,5KP8.0A,UN2K8-450L,1.5SMC10A,UN0805-420H,TPSMA6J26CA,SMDJ16CA,SMCJS SERIES,14D560K,SMBJ130C,SMBJ130A,5.0SMDJ350A,SMDJ64,SMDJ60,34S210J,5KP120CA,ESD12V52D-CF,30KP120A,UNS3220 SERIES,SMDJ43A-AT,SMDJ58,UN30-185,SMDJ54,P6KE75,10SMBJ7.0CA,SMDJ51,UN2E5-3600LL,20KP132A,SMAJ160CA-AT,10SMBT7.0A,UN2K8,P6KE62CA,UN30-135,SMDJ48,P6KE68,SMDJ45,SMDJ43,UNB-401M,SMDJ40,TPSMA36CA,P6KE82,ESD15V02D-CKN,5.0SMDJ78C,SMCJ7.0C,SMDT7.5A,5.0SMDJ78A,SMCJ7.0A,SMDJ51CA,5.0SMDJ48CA,UN111B339HWA1DFL,15KP51A,TPSMDJ,SMDJ36,SMDJ33,25D751KJ,P4SMA220A,SMDJ30,10SMBJ60A,P6KE91,KB-380,SM8Z26A,ESD3.3V12D-A,ESD3.3V12D-C,SMD1812-200-16V,TPSMCJ,UN2H8-5000LL,SMDJ28,5KP8.5C,SMDJ26,5KP8.5A,SMDJ24,UN2K8-600,SMDJ22,SMDJ20,UN1210-151H,SMD0805-110-12V,SMBJ11A-AT,07D331KJ,ESD0402M,UN16 SERIES,14D751KSC,SMD1812-300-16V,SM8Z28A,SMDJ19,ESD12V52D-HA,SMDJ18,SMDJ17,SMDJ16,TPSMB10J16CA,SMDJ15,TPSMBJ,SMDJ14,TPSMB56CA,SMDJ13,SMDJ12,SMDJ11,SMDJ10,SMCJ36A,SMD0805-010-30V,P6KE30,32D621KJ,SMCJ36C,SA190CA,5.0SMDJ75C,5.0SMDJ75A,UNA-SMD,15SMBJ160CA,SMF54CA,TPSMA6J18A,P4SMA91A,P6KE27,TPSMAJ,P6SMB170A,P0300DM,UN1812-390HS,P6KE24,P6KE22,P6KE43,SMCJ45CA,UN3E8-200HSMD,UN0603E,P6KE75CA,P0300EA,P0300EB,P0300EC,P6KE39,TPSMA6J19A,UN2H8,P6KE36,TCF03025U12002A SERIES,P6KE33,10SMBJ64A,SMCJ58CA,P6KE51,TPSMBJ110CA,SMDJ180CA-AT,25D511KJ,SMD1206-300,SMDJ7.5CA,TPSMA75A,UN1812-270HS,5.0SMDJ17A-AT,1.5KE18CA,14D201KJ,UN30-110,BLC03C-4,UN2K8-350L-2,5.0SMDJ70CA,UN2E5,UN2K8-350L-1,SMCJ33A,P6KE47,SMCJ33C,TPSMA6J16A,UN2E8,UN2E8-150HL,P4SMA350A,P6KE62,P4SMA6.8CA,ESD03V23T-LC,ESD03V23T-LA,ESD08V52D-A,15SMBJ180A,14D301K,10SMBT30A,P6KE56,ESD08V52D-C,TPSMA6J17A,5.0SMDJ33CA,UNS3K,UN2E6-SMD SERIES,UN1812-390H,TPSMDJ24CA,20D361K,40D361KJ,4.0SMF13CA,SMDJ160A,SMBJ160CA-AT,TP5.0SMDJ28A,
AEM科技推出TS系列贴片ESD防护TVS及EC系列数组ESD抑制器,超低电容值0.1pF,可达9V低钳位电压
AEM科技在贴片ESD抑制器GcDiode系列获得市场认可后,为满足更多客户需求,推出TS系列贴片ESD防护TVS及EC系列数组ESD抑制器。TS系列采用DFN封装,尺寸为0201及0402;EC系列为4路数组结构,尺寸为1004。两系列产品提供多元、高密度集成、小型化及完整的ESD防护解决方案,可广泛应用于各类电子装置接口,具有最小尺寸、超低电容值、低钳位电压等特点。
产品 发布时间 : 2024-10-23
【技术大神】小谈USB Type C接口的ESD保护方案
本文分析了ESD故障的三种类型,并以实际的案例总结了工业类产品选择ESD器件的原则和注意事项。
器件选型 发布时间 : 2017-02-09
ROHM(罗姆)IC/功率元器件/分立式元器件/无源元器件/光学元器件/模块选型指南(中文)
目录- ComfySIL™品牌介绍 IC 功率元器件 分立式元器件 无源元器件 光学元器件 模块 品名索引
型号- BD7673AG,SMLEN3BC8T,DTC014EM,ML7183 [J],BD3473KS2,KA2004-H05N20A,BM2LB300FJ-C,RCJ220N25,BU7295S,SML-S13UT,BU43XXG SERIES,DTC143TEB,KD3001-H0JN11,RSX101VYM30,BH25RB1WGUT,BD7602GUL,KD2004-G0FW00A,BD82001FVJ-LB,BD12IC0MEFJ-LB,BD60A00NUX,RB238NS150,RCX160N20,SML-D12Y8W,SMLA12BN8T,BR25H128,LA-301VL,RBE2VAM20A,LA-301VB,BD70GA5MEFJ-LB,SML-811UT (A),BM61M41RFV-C,SML-010VT,BD9C301FJ,BU1BTD2,DTA124XM,ECO 200,BD15GC0MEFJ-LB,BM2SC123FP2-LBZ,RS3L110AT,RB298T100,DTC143TCA,BD18HC0MEFJ-M,BD46EXX1G-M,RSS060P05,BD71L4LG-1,BR25H160,DTA124XE,BR25A512,BU27030NUC,BD30IC0W,RGPR20BM36HR,BD95821MUV,DTA123JKA,BD6995FV,BH76206HFV,KD2002-G0JB10A,SCT4036KW7HR,BD00GC0MEFJ-M,BD8158FVM,BR24HXXX-5AC系列,SML-S13VT,RD3P175SN,BU97941FV,HS8K11,BD53XXG-2M SERIES,RQ5L015SP,BH7673G,SML-Z14Y4T,BD52XXG-2C,BD47XXG SERIES,BD6046GUL,BU7291S,RGW60TS65HR,KDZLV SERIES,BUS1DJC0GWZ,BD18HC5MEFJ-M,SML-D12Y3W,BM2P0361K-Z,SML-P11YT (R),BM6241FS,BU30TD2,BM92A34MWV,BU30TD3,BD65D00MUV,DTA115EUB,SCM-013RT,1SS355VMTHTE-17,BD63521EFV,BU94702AKV,RBQ10BGE10A,SML-S13PT,RB168MM200,DTC144WCA,BD22621G-M,SLI-343URC,RS6R035BH,RGT20NL65,DTD123TC,RFVS8TG6S,BD6529GUL,DTA015TUB,BM521Q25F,R8003KNX,DTB113ZC,SML-Z14UT (A),BD60HA5MEFJ-LB,DTA023YEB,UCR006,DTA115EU3,BD95514MUV,RB531VM-30,DTB113ZK,BD9S200MUF-C,DTC014EUB,SMLZ24BN3T (C),DTD123TK,RD3S100AA,BD33HA5MEFJ-LB,RFN6T2D,IMX25,RFC02MM2S,SCS215AJ,BA4560R,BA4560Y,SCS215AG,R6000ENH,BR25A1M,BU29TD2,SML-S13RT,BD37210AMUV,BD4271HFP-C,BU29TD3,BU64253GWZ,UFZV SERIES,BR93HXX-2C系列,BU7294S,RV2L009GN,SML-010PT,BD52XXG-2M,RBR2LAM30A,BD30GA3MEFJ-LB,RBR5L30B,RBR5L30A,RSX501LAM20,RX3L07BGN,BU2506FV,RB228T150,ML610Q419C-NNNTBXXXX,RCX300N20,BH76363FV,BU91797MUF-M,ML610Q429,RQ1E075XN,TFZV,RD3L01BAT,BD8229EFV,BD25GA5MEFJ-LB,BD37034FV-M,BD8311NUV,BD63251MUV,ML610Q431,RF4G060AT,BU18SA4WGWL,ML610Q438,ML610Q436,RQ3E100AT,SMF5V0,ML610Q435,BD94121F,ML610Q432,BD3539FVM,BV1LC085EFJ-C,RQ3E100BN,ML610Q419,BU2394KN,SML-A12MT (J),BAXXBC0,KR2002-D06B71A,DTA123JUB,ML86V76580,RD3S100CN,DTC114YEB,RQ5E020SP,SCS215KG,BD63573NUV,DTA015TEB,BA90BC0,RTR020P02,DTA123JU3,RB058LAM-40,ML610Q421,SML813BNT,ML610Q422,BDXXIA系列,BH1730FVC,DAN222WM,BD68888MUV,DTB114GK,BM2P241W-Z,ML610Q407,PML100,BU34DV7NUX,ML610Q408,DTC143TKA,RGTV60TK65D,RSX201L-30,BD42530EFJ-C,SCS220AJ,LBP-602DK2,BD9104FVM,KD3002-G1FW00A,SCS220AG,BD50GC0MEFJ-LB,BD5469GUL,R6511ENX,SMLK18WBNCW,R6511ENJ,ML610Q412,DTA014YUB,RB058LAM-30,CSL0903DT,RX3L07BBG,ML610Q411,SCT4036KE,RUQ050N02,QS8J2,RF305BM6S,BD2812GU,SML-011VT (A),BH1603FVC,RS1E180BN,BD70FC0W,RF201L2S,BD7F100HFN-LB,BD48XXFVE,VS5V0BB1FS,SML012ENT,DTA124EEB,BD8317GWL,BM2P051F,BD60GC0MEFJ-LB,ML610Q400,BD3508MUV,RB238NS100,SML-S13YT,DTB114EC,BD00FC0W,ML7174 [J],SML-010YT,RV2E014AJ,SLI-343M8C,BM2P101EK-LBZ,BD63888AEKV,BD63888MUV,DTB114EK,RGW00TS65HR,SLI-343M8G,RQ5L020SN,BD81870MUF-M,DTC044TUB,BA25JC5T,RB228T100,RB168LAM-30,ML610Q411PA,RFUH25TB3S,BD30IC0MEFJ-LB,BD9B600MUV,BM2P052F,DTD123YC,BM2P159PF,SCT4036KR,SLR-322DU,BD87A29FVM,RF201L4S,DTC024XUB,RQ1A060ZP,SML-P11DT (R),DTA124ECA,DTB114GC,RB168LAM-40,RSS065N06,BM2P053F,DTD123YK,BD33GC0MEFJ-LB,BD9874CP-V5,SML-D13FW,BD49EXXG SERIES,SLR-322DC,2SC2412K,BM63563S-VC,RFNL20TJ6S,RF505BGE6S,BD25IC0W,BM63563S-VA,BDJ2FC0W,LBP-602MA2,ML9092-03,ML9092-02,BA3259HFP,ML9092-04,RH6L040BG,USB 500U,RF01VM2S,BD46EXX5G-M SERIES,RJ1L12BGN,RRR1VWM4STFTR,FMY1A,BM2P054F,BD7691FJ,BD82004FVJ-M,USB 500T,SML-811WT,SML-522MY8W,DAN222ZM,BM2P060MF-Z,BD15HA5MEFJ-LB,RFS60TZ6S,UMZ18NFM,BD48LXXG,DTC114YCA,RBR10BGE30A,RBR40NS60A,BH76809FVM,RRH100P03,SCT3105KL,DTC043ZEB,SCT3105KR,BD18HA5WEFJ,BD9060F-C,RB058LAM-60,RQ6E080AJ,RB168LAM-60,SLI-560DT,BD2051AFJ,BD61250MUV,BD94122F,R6035KNZ4,DTC144EU3,2SA1037AK,BD9470AFM,2SB1590K,RD3T075CN,BD35395FJ-M,RESD1CANY,SP8M41,DTC144EUB,BHXXRB1WGUT,UMH11N,BD2266G-M,DTC023EEB,SLI-570Y2T,BA82904Y,SML-012PT (A),BM6101FV-C,SML-A15YT,SML-S13DT,BD82020FVJ,RBS1LAM40A,BD7690FJ,DTA143XCA,BSM180C12P2E202,ML9092-01,RGTH60TS65D,BDXXIA5,RBQ10NS45A,R6009END3,R6035VNX3,BD99950MUV,RE1J002YN,SP8M31,RFN10T2D,UMH10N,RF101LAM2S,BD88210GUL,BD48EXXG SERIES,BA82903Y,BM61S41RFV-C,2SCR587D3,BD1HC500HFN-C,R6015ENZ,BU7205S,2SAR553P,BV1LC150EFJ-C,SML-011DT,RS3E095BN,ML86V8401,DTC014TM,BH26M0AWHFV,2SAR553R,BD63576NUX,RQ3E130BN,BA82902Y,BU2FSA4WGWL,BD81010MUV,KA2002-B35N00A,BD71L3SHFV,R6042JNZ4,BD15HC5WEFJ,BD90302NUF-C,SH8M24,SML-812MT,BU6652NUX,DTA143XEB,BD82032FVJ,BDXXIC0,BD52W03G-C,BD9862MUV,ML9098B,SP8M51,BD48W00G-C,RGS80TSX2DHR,BH15M0AWHFV,BU30JA2DG-C,SML-D12P8W,LMR982,LMR981,BD37522FS,R6015ENJ,RB088BM150,BA82901Y,RB088LAM100,KDZV,2SAR552P,ML610Q422P,BD26503GUL,R6015ENX,R8002KND3,BUXXSA5WGWZ,2SCR512P5,ML62Q1878,BH3544F,ML62Q1879,QS8K2,BU7465S,SCT3080AW7,RQ6E050AT,BD00IA5WEFJ,RFNL15TJ6S,SCT2450KE,BD30KA5FP,RQ6E050AJ,SML-D12□8□WT86□□□□,VS5V0BB1ES,BA33D15HFP,QS8J4,QS8J5,ML62Q1869,BD68710EFV,DTA043TUB,DTA114TEB,BH30M0AWHFV,RF1001T2D,RBR15BGE30A,LB-402VN,RSJ250P10,BV1LC105FJ-C,RFU02VSM8S,2SAR554P,BD30GC0WEFJ,BM1Z103FJ,BD60203EFV,BD9060HFP-C,BC848BW,UMZ1N,RS1L180GN,YDZV SERIES,BD82044FVJ,BR25G640,BD30HC0MEFJ-LB,2SAR554R,BD00HC5MEFJ-LB,RBR1L30A,RF301
芯力特车规TVS产品助力CAN/LIN通讯接口保护,具备低钳位电压、高Ipp、低结电容等特性
芯力特深耕车规CAN/LIN通讯接口芯片,在大量的客户项目应用中深入了解客户需求后,推出了汽车级TVS防护器件,助力车规CAN/LIN通讯接口保护。该系列产品具备低钳位电压、高Ipp、低结电容等特性,能够更好地保护CAN/LIN通讯接口。
应用方案 发布时间 : 2024-07-03
UTC(友顺)模拟IC和分立器件选型指南
目录- Company Profile Product Overview Voltage Regulator Analog & Digital Signal Interface & Driver MOSFET Rectifier Diode & Voltage Clamping Transistor & Thyristor
型号- F21NM50,BSS169,USMS05,GS1M,UF740,1N5408G,UESD5V0UC500,RS1G,RS1D,RS1B,03N65,FR107G,LR9282,RS1A,ULC3702,XN70,TIP102,LR9280,03N60,LV358,UT9435,RS1M,RS1J,UHR,XN65,AHC-SERIES,XN60,U74LVX4053,UF8010,UF634,F3N70,TVS4S009,LM317,U74LVX4051,LM318,UCD4066,SK-SERIES,UT7422Z,TIP112,UTG50N120FQ,F21NM70,1N100,PCR406,SOT05C,UF50N20,UESDA6V1W5,UF601,SMCJXXX,78R SERIES,75185,U74AVC1T45,UR77XX,U74LVC2G240,U74LVC2G241,XN90,75NM70,U74AUC1G126,USB4S012,2SC3355,UMUR SERIES,U74LVC2G132,40-SERIES,LR9153,04NM50,BAT54A SERIES,UF601Q,75NM65,03N70,UPRTR5V0U4D,XN80,75NM60,LM224,UTXS0108,U74AUC1G86,SB10100,U74HC594,L6144,F2N65,8N80,UFR75120,UR57XX,UTVS2105,02N50,DTC114E,165-SERIES,LM239,F30NM65,LM358,US108N,13NM90,LMV331,UF830,US108S,U74HCT73,CR03AM,MBR-SERIES,AUC-SERIES,UPT2223,60NM50,UBCR316,UTT65N20,LM321,UFZ34,UTRS458,LM324,1P30,3NM120,F2N50,12N80,UM6XX,UZ5C056,UPT3223,MCR08,TL431,UASS10X,UT70N15,U74HCT245,UBCR302,L6134,ULN202,LR1106,UTT220N03,UL23EB,UTL331,LM339,1P40,LR1101,F05N60,12N90,SMDJXXX,UF601-SERIES,MBR10100,U12JZ47,U74HCT138,25N40,L1806,AUP-SERIES,BYR SERIES,UTT120P06,UOC3020S,30N50,UT3243A,UTC606P,1P50,02NM65,U74LVC273,UPT0133,ULV662,UHR SERIES,UPT1223,02NM70,9N90,LLV321,2N7002K,UT5232,U74LVC1G125,UT3P01Z,UT3N08,30NM90,MMDT3946,US104N,UOC3021S,BAT54S,XN120,US104S,UDF601,U74AUP1G74,U74LVC02A,BTB324A,BAT54C,BAT54A,UT3N10,UF1010E,LM393,U74LVC373,U74LVC258,XN150,LR1012,2P40,CD-SERIES,TL072,TL074,50N06,USS120,UTRS485,ULN2803,ULN2804,100N02,18N30,UF9640,75232,LMV393,2P50,1N40,LD1117A,TL082,UCD4011B,TL084,02NM60,13NM100,US1M,1N4148,UESD5V0L5U,ULV8552,UT3006,UCA9617,BSS127,BTA324A,BSS123,UTT200N02,LR6401,LM2904,74-SERIES,LM2901,UF7476,UF540,LM2903,30N15,78R,USG80N10,U74AHCT86,U74AHC374,UT50N25,UK3018,ULV8542,BYR29,US112S,U74AUP1G32,UCD4001B,ULV6001,US112N,TL062,BTB304A,UESD12VL1U,ULV8538,UF07P15,MCR106,BYC20,02N06Z,U7SB3157,DTA114E,MCR101,MCR100,UF640,ULC831,UD10K,U74AHC595,USG170N10,U74AUP1T157,UT3232,1N80,XN100,OP07C,MJE13003D,15N120,UCD4015B,S2M,UGV3040,UDF-SERIES,U74AUP1G02,BSS84ZT,U74AUP1G00,U74AUP1G06,U74AUP1G04,LM293,UGV20N40,LVC-SERIES,ULSF0204,U74CBTLV3125,UT213,1N90,12N100,BTA304A,ULN2001LC,UTM2504,BSS601,MBR10100C,SF56G,UTT15P10,UT10P15,U74AHC21,62783,62784,78 SERIES,MMBT1815,4P50,UZ010X,UT3223,UT3222,U74HCT4094,UT3221,CD40-SERIES,UF9Z24,4N120,33N25,UCD4050B,UF01P20,UTG70N65-S,UT120N08,U74AHC1G09,10N30,UC3800,24NM80,BAT54 SERIES,LM317 SERIES,U74AHCT32,UF01P10,20N70,UT2311,UTT120N04,UT3404,OP2336,UF3305,BAT54C SERIES,UT3409,LV2622,MAC97A8,UPSL101,BAT54,MAC97A6,SMA5V,UT3414,UT3413,UT3418,U74CBT1G384,U74LVC1G99,U74LVC2G66,2NM90,U74LVC1G97,UT232E,4N150,UTC4013,1N4004G,LR1805,14N150,U74LVC573,U74LVC574,F7N65,2NM80,BYC,UTT50P06,UTRS3080,17NM80,ULV724,BYR,UTRS3088,UTRS3085,U74LVC563,UCSR3652S,UT2306,UCA9306,UTT100P03,BT169,4N70,BAT54S SERIES,UAS16V,7P20,1N4148 SERIES,USS4350,40NM80,60N15,X0202B,UF03P15,SB-SERIES,X0202A,MN2510,4N80,7P30,U74LVC2G32,UMUR,U74LVC1G58,UF2N30Z,1N4007G,UCSR3654S,4N90,U74LVC1G57,ULV3211,01N30,XNM90,BT150,X0202,BT151,BT152,ULD2003,UFP264,BYC SERIES,SF28G,74-SEIRES,ES1D,ES1G,UTT70P10,ES1J,MC34074,6N40,7P50,MC34072,UTT150N06H,ULN2001,UTT80N10,SMAJXXX,UC3873,ULN2003,UL66C,ULN2004,12NM120,BTA16,BTB41,TS391,2N6027,XNM100,SR-SERIES,UF5210,UCR316,10NM100,ES1A,ES1B,SF18G,U74AUC1G08,LV2461,UT131,LV2460,F80NM60Z,ES3J,LV2464,XNM65,F5N60,UT139,U74AUC1G02,XNM60,UCL5811,X0405,U74LVC1G19,22N60,UCR302,UFR SERIES,UR76XX,22N65,ULVH431,12N25,UC384X SERIES,SMXXZ47,FUF830,ES2D,UC384X,BSS139Z,UC3863,SRV05-4,U74LVC1G10,UTT14P02,USG40N10,XNM120,UTT1P20,XNM50,US5C3257,ULN202L05,FR104G,UR6225,UCD4081B,U74LVC86A,BTA04,LV324,LV321,10N60,UPC817,XN50,UPC816,10N65,UF5305,1N5406G,LD1117A SERIES,UFB4321,XNM80,79 SERIES,UCD4070B,SMBJXXX,UCD40106B,164-SERIES,UFR,10N70,SF26G,P6KEXXX,UTD454,XN40,LR9102,LR9103,XNM70,80N08,PUSB220,AHCT-SERIES,UCD4071B,UF4N20Z,BTB04
【经验】实现USB接口静电防护的两种方法:加入ESD专用芯片和磁珠+共模抗流器
针对USB接口静电防护第一个方法是在VCC和GND管脚分别串入一个120ohm、2A的磁珠,在数据差分线上串入一个90ohm共模抗流器,共模抗流器由两根导线同方向绕在磁芯材料上。第二种做法是在USB的管脚上加入ESD专用芯片,推荐Littelfuse 公司的SP1021 TVS管。
设计经验 发布时间 : 2016-05-17
WAYON 公司介绍 电路保护/功率半导体/IC产品
型号- WP3883CL系列,4030,0603系列,WJ1028-AT,WR0120-AT,2410系列,WP311X,1140,WR00521-AT,WP3883CL,5432系列,0402,4030系列,MLR,WR0115-AT,2718系列,0603,WP311X系列,9550系列,WR0366-AT,WJ1021-AT,5432,1206系列,WR0368-AT,WJ1050-AT,0402系列,WJ1044-AT,9550,WR0322-AT,1140系列,1206,2410,WJ1042-AT,WJ1040-AT,2718,C4 系列,MLR系列
芯力特(SIT)CAN/LIN/LDO芯片选型指南
描述- 作为国内首家同时拥有CAN、LIN收发器芯片的模拟IC厂商,芯力特陆续发布40余款CAN、CAN FD、LIN收发器芯片,累计出货量超2亿颗,产品广泛应用于汽车各功能模块,是国内该细分领域产品系列最齐全、出货量最大、产品最成熟的IC设计公司。同时 RS485、RS422、RS232接口系列芯片以及电源芯片广泛应用于汽车、工业、通讯、安防等众多领域。
型号- SIT1042AQ,SIT1028Q,SITNE24V2BNQ-3/TR,SITNW24V1BNQ-2/TR,SIT2105LQ,SITNC23T36V2B,SIT1042A,SMCJ30AQ,SMCJ33AQ,SIT1021T/20+,SIT1040T,SIT1145AQ,SIT1024Q,SIT1145Q,SIT1022Q,SIT1044Q,SIT2105L,SIT1021Q/1,SIT1044T,SIT1051A,SIT1051AQ,SITNC1524Q,SMBJ30AQ,SIT1029Q,SIT1027Q,SITNC3D24Q,SITLE24V2BNQ-3/TR,SMBJ33AQ,SIT1057Q,SIT1043Q,SIT14503
兰科半导体(LANKERSEMI)高性能模拟芯片产品选型指南
描述- 兰科半导体是专业从事高性能模拟集成电路设计的国家高新技术企业,产品涵盖TVS/ESD保护器件、车规级功率器件、高性能运算放大器、电机驱动芯片、电源管理芯片、达林顿驱动芯片、485通讯接口、Can总线以及RTC时钟芯片等多个门类,公司产品目前广泛应用于移动通讯、物联网、汽车电子、可穿戴设备、仪器仪表、安防监控、智能家电等领域。
型号- LKE05D5CX20-B,LK485,LKE05N3C3D5-B,LK5801,LKC18N4C050-B,LKC03N3C085-B,LKS06N4AX60-B,LK5802,LKP20N4AX40,LK54302,LKP20N5AX80,LKP30N5AX80,LK8089,LK5530,LK8088,LK8120,LKE05N3C040-B,ULN2001D,LKS05D3CXX1-B,LKS06N5A140-B,LKE0524PC022,LKC05N3C075-B,LKE02N4CX25-B,LK6208,LK4148,LKC08N4C040-B,LKS06N5A120,LKC03N4C022-B,LKSBD4005NA,ULN2803AG,LK1041,LK8118,LK1042,LK8116,LKS04N4AX40-B,LKE05N3CX20-B,LKS05D3AX40-B,LK1307,LKE03N3CX22-B,LK55A0,LK0608H,LK2358,LK1148,LKE02N3CX25-B,LK0608L,LKS06N4AX40-B,LKE05D5C3D5-B,LK9110S,LKC18N3C050-B,ULN2802,LKSBD3005NA,ULN2803LV,LKE36N4CX30,LKS12N5AX75,LKS03D3A150-B,LK113,LK116,LK115,ULN2003A,LK118,LK0608,LK1017,LK1018,LKE36T1CX25,LK1019,LK8563I,LK1020,LKS03N4AX40-B,LK1511B,LKS06N4AX55,LK1802,LK1527,LKC05N4C075-B,LK5608,LKS03D5AX40-B,LKS05N4AX40-B,LK4358,LKE12N3CX10-B,LKE24N4CX20-B,LK1801,LKE05N4CX20-B,LK8563,LK1131,LK1012,LKE03N4CX22-B,LKS05N4C1D5-B,LKS712T1AX12,LKS06N4AX40,LKP24N5AX80,LKS03D3CXX1-B,LKC03N4C085-B,LKE15N4CX20-B,LKP24N4AX40,LK1358,LK6803,LK8310,LK1012L,LK1482,LK1484,LK75XX,LK1214L,LKE05N4C040-B,LKE24T1CX30-B,ULN2003AM,LK78L05,LKC03N4C030-B,LKE05D5C040-B,LKP15N4AX40,LKC0324PC030,LKE12N4CX10-B,LK1470,LKP15N5AX80,LKP26N4AX40,LKS05D5AX35-B,LK1057,LK1059,LK2148,LK1214,LK6508,LK3085,LKP26N5AX80,LKC03N3C022-B,LK4054,LK4057,LK1584,LK1410B,LK1410A
富信推出峰值功率高达400W的SMFXX(C)AL系列TVS瞬态电压抑制二极管,有效处理外部干扰
日常电器在插拔和上电的瞬间接口电路会出现干扰信号,此时通过在端口上的TVS管可以在干扰信号超过钳位电压时将多余的能量导回原路径,从而避免外部能量对电器的损坏。安徽富信半导体科技有限公司推出了一款TVS瞬态电压抑制二极管SMFXX(C)AL系列,这款产品能有效应对外部干扰信号,保证电器正常工作,可应用于PDA,手持笔记本,桌面设备和数码相机等产品。
产品 发布时间 : 2023-10-17
电子商城
现货市场
服务
提供全面表征产品器件耗电特征及功耗波形、快速瞬态效应、电源优化、表征和仿真测试服务,使用直流电源分析仪测量精度达50µV,8nA,波形发生器带宽100kHz,输出功率300W,示波器200kHz,512 kpts
实验室地址: 深圳/苏州 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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