【应用】国产总线通讯微型防雷模组UNSRS485-2HL用于UPS电源,反应速度<1ns

2022-09-06 世强
RS485差共模微型防雷模组,总线通讯微型防雷模组,UNSRS485,UNSRS485-2HL RS485差共模微型防雷模组,总线通讯微型防雷模组,UNSRS485,UNSRS485-2HL RS485差共模微型防雷模组,总线通讯微型防雷模组,UNSRS485,UNSRS485-2HL RS485差共模微型防雷模组,总线通讯微型防雷模组,UNSRS485,UNSRS485-2HL

UPS电源需要用到RS485总线通讯方式来传输电压、电流等参数;随着RS485总线通讯对数据传输速率的要求越来越快,对浪涌防护等级的要求也越来越高。


某客户在做一款3KVA的小功率UPS电源,采用传统的防雷解决方案会用到485通讯方式来上传数据,传统的总线通讯RS485会分两级做过压、雷击、浪涌防护,初级选用通流能力较高的陶瓷气体放管(GDT),中间用电阻或者自恢复保险丝(PPTC)做退藕元件,次级选用回应速度快、防护精准的瞬态抑制二极管(TVS),方案框图如下图所示。

图一 RS485差共模两级组合防护方案


本方案中的退藕元器件(电阻或者自恢复保险丝)在模拟雷击浪涌测试过程中会出现自恢复保险丝常态阻值发生较大的改变或者电阻损坏的现象,进而影响正常的通讯;TVS管电容值较高,由于TVS的结电容较高(2~3nF左右),在总线上带载多路收发器时,存在信号失真,影响485总线通信速率和可靠性;传统设计方案使用元器件较多,占用较大面积的PCB


基于传统方案应用上的缺点,本文推荐了优恩半导体推出的RS485差共模微型防雷模组方案,以下是RS485差共模微型防雷模组方案框图:

图二 RS485差共模微型防雷模组方案


图三 微型RS485总线通讯防雷模组图片尺寸


总线通讯微型防雷模组UNSRS485-2HL用于UPS电源的主要优势有以下几点:

1、产品做到模块化、微型化,简化产品开发周期,节约前端防护电路所占用的PCB面积;

2、设计使用元器件少,可靠性、稳定性高;

3、反应速度快(<1ns);高抗电磁干扰(EMI),具有低容值、低漏流等特性,符合UPS电源总线通讯越来越快速的信号传输要求;

4、高低温特性好,使其适用与各种工业级产品;高能型产品符合IEC61000-4-5 3KA/6KV(8/20μs、1.2/50μs组合波)的雷击浪涌防护等级;

5、国内电源市场应用案例较多,且性价比和交期相较于国外大厂有优势。


综上所述,优恩半导体推出的RS485差共模微型防雷模组UNSRS485-2HL非常适用于UPS电源。

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选型指南  -  优恩半导体  - 2021 PDF 英文 下载

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描述- 微型RS485/422总线通讯防雷模组做到模块化、微型化,简化产品开发周期,节约前端防护电路所占用的PCB面积;设计使用元器件少,可靠性、稳定性高,具有低容值、低漏流等特性,符合未来总线通讯越来越快速的信号传输要求。具备较高等级的静电防护能力及低钳位电压,使其适用与各种工业级产品。

型号- UNSRS485-2H,UNSDC24V-3L,UNSDC24V-2L,UNSDC48V-2L,UNSRS485-2HL,UNSDC48V-3L,UNSRS422-2HL,UNSDC58V-2L,UNSDC58V-3L,UNSRS422-2H,UNSRS422-2L,UNSDC12V-2L,UNSDC12V-3L,UNSRS485-2L

商品及供应商介绍  -  优恩半导体  - 2021年10月 PDF 中文 下载

数据手册  -  优恩半导体  - 2020/01/17 PDF 英文 下载 查看更多版本

【产品】反应速度<1ns的总线通讯微型防雷模组UNSRS485-2HL,高低温特性满足工业级产品要求

优恩半导体推出的总线通讯微型防雷模组UNSRS485-2HL,产品具有低容值、低漏流及低箝位电压等特点,模组化设计,防护器件少,可靠性高,反应速度<1ns,高低温特性满足工业级产品要求,可广泛应用于汽车电子,工业控制,仪器,仪表,电力监控,楼宇自动化,通信设备等场合。

新产品    发布时间 : 2022-03-07

Highspeed High Energy RS485 Miniature Lightning Module UNSRS485-2HL Instructions

型号- UN3E5-90LM,UN485E,UNSRS485-2HL,UN3E5-90LSMD,SMBJ6.0CA

数据手册  -  优恩半导体  - 2020/03/28 PDF 英文 下载 查看更多版本

用户指南  -  优恩半导体  - 2020/01/18 PDF 英文 下载 查看更多版本

High Energy RS485 Miniature Lightning Module UNSRS485-2H Instruction

型号- UN3E5-90LM,UNSRS485-2H,UN485E,UN3E5-90LSMD,SMBJ6.0CA

用户指南  -  优恩半导体  - 2020/03/28 PDF 英文 下载

优恩半导体(UNSEMI)保护器件产品选型指南

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,

选型指南  -  优恩半导体 PDF 英文 下载

优恩半导体TVS瞬态电压抑制二极管选型表

优恩半导体提供以下技术参数的TVS选型:反向截止电压:3.3V~440V;击穿电压(min):5.2V~492V;击穿电压(max):6V~543V;测试电流:1mA、5mA、10mA;最大钳位电压 VC @IPP (V):8V~713V;最大峰值脉冲电流IPP (A):0.56A~3000A;最大反向漏电流IR @VRWM (μA):1uA~1000μA;关断电压:10V~85V;最大反向浪涌电流IPP(A):48A~388A;最大IR @VRWMTJ=175(uA):150uA、250uA。

产品型号
品类
Reverse Stand-Off Voltage VRWM(V)
Breakdown Voltage VBR (V) @IT MIN
Breakdown Voltage VBR (V) @IT MAX
Test Current IT (mA)
Maximum Clamping Voltage VC @IPP (V)
Maximum Peak Pulse Current IPP (A)
Maximum Reverse Leakage IR @VRWM (μA)
model
8KP24A
Axial Lead Transient Voltage Suppressors
24
26.7
29.5
1
38.9
206
5
Uni

选型表  -  优恩半导体 立即选型

【元件】优恩半导体新推高稳定性的三端稳压器,提供直流电压输出,广泛用于电子电路设计和制造

在电子设备行业,三端稳压器凭借其杰出的性能和广泛的应用范围,受到了众多电子工程师和爱好者的青睐。优恩半导体新推出的三端稳压器,用于提供稳定直流电压输出,即使在输入电压波动或负载变化的情况下也能保持输出电压恒定。它具有简单、方便和稳定的特点,在电子电路设计和制造中被广泛应用。

产品    发布时间 : 2024-07-30

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品类:微型通讯防雷模组

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SMT贴片加工/PTH/DIP插件加工

可贴片PCB最大尺寸600*600mm;板厚0.5mm-8mm,01005微型元件到45mm元件,最大零件尺寸150*150mm,最小引脚零件间距0.3mm,最小BGA间距0.3mm。

最小起订量: 1 提交需求>

ESD防护解决方案

整体外形尺寸小至0.6*0.3*0.3mm (DFN0603),工作电压范围覆盖2.5V~36V,电容值低至0.2pF,浪涌能力最高可达240安培,静电等级可达空气放电、接触放电±30KV。提供免费浪涌测试仪、静电测试仪测试。

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