【应用】符合AEC-Q200认证的MLCC助力电动汽车电池创新，可承受达4000V的直流电压

时间： 2022-03-19 来源：Knowles

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电动汽车电池系统对电容器的要求愈发严苛，为了满足消费者对更长行驶里程和更快充电的需求，电动汽车(EV)制造商正在重新设计车辆，以将电池系统从400V升级到800V。由于使用更高的工作电压，电动汽车设计师和制造商(OEM)需要能够承受远远超出正常工作条件下预期电压的多层陶瓷电容器 (MLCC) 等元件。例如，使用800V电池系统运行的动力传动系统需要经受高达4kV直流电持续60秒的耐压测试，这是高压系统中的标准安全测试。

因此，确保使用更高耐压和更高耐温的高可靠性元件对于电动汽车制造商来说有着前所未有的重要意义。

楼氏电容KNOWLES出品的多层陶瓷电容器（MLCC）可以满足电动汽车的新要求

总体而言，多层陶瓷电容器（MLCC）十分适合这样严苛的工作环境，因为它们由陶瓷电介质层和金属电极层交替构成。它们还可以加载表贴式的的柔性端头——如 Knowles Precision Devices 研发的FlexiCap™——它可以保护陶瓷免受机械应力的影响，并降低元件断裂时发生灾难性故障的可能性。

楼氏电容的汽车级MLCC专为电动汽车及其子系统打造，具备耐高温、小尺寸和易于表面贴装等特点。此外，我们是第一家提供可承受4,000V直流电压的AEC-Q200认证的电容器的供应商。这意味着您可以相信，我们已经按照汽车电子委员会的规定对我们的电容器进行了严格的热、机械和其他压力测试。

为您的电池管理系统（BMS）定制合适的MLCC解决方案

图1：集成BMS的高压电池组简化电路图

更明确地说，在给定电池管理系统(BMS)的高温和小尺寸要求的情况下，MLCC是在这些工况条件下唯一可行的电容选择。

楼氏电容可以为您的电池管理系统（BMS）定制灵活且完美的MLCC解决方案。我们推荐的型号（包括且不限于）如下：

最后，得益于我们独特的湿法工艺，楼氏电容能够提供业内最短交期，此外对于客户的紧急需求我们还可提供高度的供货灵活性。

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本文由犀牛先生转载自Knowles，原文标题为:楼氏电容AEC-Q200认证MLCC——助力电动汽车电池创新，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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公司简介和产品介绍产品型号规格及代码定义车规MLCC产品范围车规MLCC-C0G系列车规MLCC-X7R系列车规MLCC-X7S系列车规MLCC-X7T系列应用技术要求

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Knowles（楼氏电子）多层陶瓷电容器选型指南

At Knowles Capacitors, they make Single Layer, Multilayer, High Reliability and Precision Variable Capacitors; EMI Filters; and Thin Film Devices.

KNOWLES - HIGH RELIABILITY CAPACITORS,高Q值、高功率RF电容器,HIGH TEMPERATURE CAPACITORS,TCC CAPACITORS,电容器,SURFACE MOUNT EMI FILTERS,高温电容器,VCC CAPACITORS,PULSE ENERGY CAPACITORS,MLC CAPACITORS,HIGH VOLTAGE CAPACITORS,SM EMI滤波器,VCC电容器,脉冲能量电容器,ULTRA-LOW ESR HIGH Q MLCCS,串联电容器,HITECA™电容器,ULTRA LOW ESR CERAMIC CAPACITORS,非磁性电容器,陶瓷片式电容器,STACKICAP™电容器,HIGH CAPACITANCE CHIP,VC1 RESIDUAL CAPACITORS,安全认证电容器,高温径向引线电容器,MLC电容器,STACKICAP™ CAPACITORS,HITECA™ CAPACITORS,径向引线电容器,高电容芯片,OPEN MODE CAPACITORS,CAPACITORS,TANDEM CAPACITORS,HIGH Q, HIGH POWER RF CAPACITORS,表面贴装EMI滤波器,HIGH Q PORCELAIN CAPACITORS,开路模式电容器,SM EMI FILTERS,NON-MAGNETIC CAPACITORS,VC1剩余电容,引线式隔离电容器,超低ESR高Q值MLCC,RADIAL LEADED CAPACITORS,HIGH TEMPERATURE RADIAL LEADED CAPACITORS,LEADED STANDOFF CAPACITORS,超低ESR陶瓷电容器,高可靠性电容器,高压电容器,CERAMIC CHIP CAPACITORS,TCC电容器,高Q值陶瓷电容器,SAFETY CERTIFIED CAPACITORS,XX1206N472J101NX050HTM-HB,UL SERIES,085J2500101JHT,404027K00470GQB-AF9,E01,0603 H,E03,E07,1206Y0500224KXT---,0805B123K501LEAR,SV2220,1210Y1000103KXT---,C17CF620J-7UN-X0T,1206J1000103MXTH20,1210Y2000103KCT---,2220YA300563KSTS3X,CR1206N562K101NHT-4,1812Y1000334MXTE03,RG3640R124K102PX---T,2225B3K06P80GQBRW221,8111M1000102JC□□□□□,1812YA250103KJT,1206G224K250NX050HTM,2220B1K00104JETJ,8131T,1206Y1000103MXTE07,8151M,8171M,1808JA250102KJTSYX,8111M,120625000223JQT--,8111N,C17UL620J7UNX-0T,8131M,0603J0500471JBB_ _ _,1206W476K6R3NX080T,1808JA250102GJTS2X,0805 H SERIES,0805J2504P70BUT,1812Y5000474KJT,C17CF470J7WAX0B,C17CF620J7UN-X0T,0603 H SERIES,1812Y5000474KJTWS2,1206Y1000473KNT,1206HD272F101NGHT,MD0603N102J500NHT-BA,MD0603BW102K500NHT-BA,AH SERIES,MD SERIES,CF SERIES,0805 H,1808JA250102GJTSYS,2520E563K501LGWR,1206YA120103JXT,C17AH620J-7UA-X0T,8121T,RC3640R124K102PX---T,1206G500391JGTH25,8161M,1206RE331J501NHT,0805Y1000103KST---,1206Y1K00152KXTVC1,8121M,8165M,8121N,8141M,ST3640B474M101LJXW-5R,8111M1000102JC□□□□□□,1210Y1000103JDT_ _ _,SV2220BB476M101LJW-10R,延迟线,功率处理,天线匹配,ROCKET IGNITION,DIPLEXERS,交直流电源,定时电路,POWER HANDLING,TIMING CIRCUITS,火箭点火,高RF功率电路,HIGH RF POWER CIRCUITS,电信设备,反馈,IMPEDANCE MATCHING,POWER DISTRIBUTION SWITCHGEAR,振荡器,DC BLOCKING,FEEDBACK,DELAY LINES,RF POWER AMPLIFIERS,放大器匹配网络,COUPLING,AMPLIFIER MATCHING NETWORKS,压控振荡器频率稳定,FILTERING,井下爆炸,AC/DC POWER SUPPLIES,双工器,VCO FREQUENCY STABILIZATION,汽车应用,军事引爆,MILITARY DETONATION,过滤,耦合,TUNING,OSCILLATORS,TELECOMS EQUIPMENT,射频功率放大器,DOWN HOLE DETONATION,ANTENNA MATCHING,AUTOMOTIVE APPLICATIONS,BYPASS,旁通,配电开关设备,阻抗匹配,调谐,直流闭锁

2024/2/15 - 选型指南代理服务技术支持采购服务