瑶芯微基于G2.5平台推出超结MOSFET,相比上一代栅电荷下降20%,Coss减小了40%
随着新能源、电动汽车、人工智能等产业蓬勃发展,一定程度上带动了功率器件尤其是超结(SJ)MOSFET的强劲需求。以瑶芯微为代表的国产半导体新锐品牌,顺势推出基于超级结多层外延技术的全新G2.5平台超结MOSFET。
瑶芯微基于G2.5平台推出两大电压等级(600V&650V)、多个封装系列的SJ MOSFET。其中采用TOLL封装的多款产品已实现量产,其紧凑的体积、较低的封装电阻和寄生电感、优秀的散热性能、高电流承载能力,可提高开关速度、降低成本,并能提高系统效率和可靠性等方面,在各种消费级、工业级和车规级功率电子场景中得到广泛应用。
G2.5平台SJ MOSFET相关特性
G2.5平台SJ MOSFET通过调节垂直PN结的浓度分布,充分利用超结结构的电荷平衡,同时优化终端结构,在满足击穿电压的同时极大降低了比导通电阻,使得在较小的TOLL封装里能容纳更小的电阻规格,满足应用设计人员对更高功率密度的需求,并且实现了优异的电学性能。
为了适应高频小型化应用场景,减小PCB寄生杂感带来的影响。G2.5平台SJ MOSFET优化栅极结构,降低输出电容,减小开关损耗,同时优化反向恢复能力,减小反向恢复带来的振荡。以Toll封装的AK3S60N355TMF(600V 35.5mΩ)为代表的SJ MOSFET,相比上一代栅电荷(QG)下降了20%,Coss减小了40%,关断时间(TOFF)减少了60%,大幅减小寄生参数带来的损耗,提升系统效率。
在高频高功率密度开关电源中,为了提高效率,通常采用零电压ZVS软开关技术(LLC、PSFB等)。由于新一代SJ MOSFET Coss的大幅减小,使得在ZVS软开关过程中,COSS电容的充放电时间更短,可缩短桥臂上下死区时间,减少额外的损耗。此外,采用Toll封装的新一代SJ MOSFET,通过额外的开尔文连接,不仅优化了外围电路的设计,而且不受源级寄生杂感的影响,减小了栅极振铃以及避免了环路相互干扰的问题,进一步提升了产品的稳定性。
SJ MOSFET相关参数
以AK3S60N355TMF为代表的新一代G2.5平台SJ MOSFET主要参数如图1所示。
AK3S60N355TMF品质因数FOM(导通电阻(RDS(on))和栅极电荷(Qg)的乘积,即FOM=RDS(on)xQg)性能如表1所示,与欧美一线厂商最新水平相当,采用稳健的多层外延技术,功率密度达到国际一流水准。
SJ MOSFET应用表现
在某公司2kW通信电源应用中,全桥LLC部分采用4颗AK3S60N355TMF,实测效率如下:
瑶芯微多层外延技术超结MOS系列产品,具有内阻低,抗冲击能力强,结电容低,可靠性高,品质稳定等特点。目前该系列产品已与众多客户合作,助力客户制造更优质电源。
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本文由犀牛先生转载自瑶芯微电子公众号,原文标题为:瑶芯技术分享 | 多层外延技术超结MOSFET应用,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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HI-SEMICON(深鸿盛)MOSFET/SiC肖特基二极管/SiC MOSFET选型指南
目录- 公司简介 MOSFET Product Introduction VDMOS 超结MOSFET 中低压MOSFET 碳化硅肖特基二极管 碳化硅MOS MOSFET/SiC肖特基二极管封装
型号- SCF60R190C,SFD3006T,SFD6003T,SGP104R5T,SFS0406T4,SFM6005DT,SFD7N70,SFW90N25,SFQ0320T4,SFD18N20,SFM4009T,SFE6001T2,SFM6004T5,SFK2N50,SFF60N06,SFN4006T5,SFM0420T4,SFP10003PT,SFF18N20,SCF65R190TF,SFD2N50,SFM4004PT,SFS6003PT,SFP33N10,SFS4010T,SGS6001T4,SGP6008T,SFS3401,SFQ0318T4,SC3D40120D,SFS3400,SFK1N65,SCD65R960C,SFS4010T2,SFF5N80,SFS0407T4,SFS3407,SFD6005T,SFD10003PT,SFD7N50,SFM6005ST,SFF18N50,SFP40P10,SGS15HR430T,SFA10015T,SFP50N06,SCF65R640C,SFD3003T,SFQ0322T4,SFF12N65,SFD6006T,SGD105R5T,SFP11P20,SFD6N70,SFS6007T,SGM10HR14T,SCF65R380C6,SFS3400.A,SFS3001T2,SCD70R600C,SFQ0420T4,SCF60R580C,SGXXXXXPT,SGM062R3T,SFS4525T,SFD3004T5,SFS3401A,SGM066R5T,SFN3009T,SGM031R7T,SFB11N90,SCD70R900C,SFU3006T,SFP9N20,SFA110P06,SFR0305T2,SFF50N06,SFD6007T,SCD80R500S,SC3D08065G,SCF65R380C,SFD4006T,SC3D08065I,SFN0315T4,SFN3003PT,SFA6005T,SFS4008T2,SFS2300,SGP157R5T,SFS2301,SFM10015T,SFH8402DW,SC3D04065E,SCU70R900C,SCF60R280C,SFS2304,SFS2303,SFF13N50,SFS2305,SC3D04065I,SFF7N50,SCF65R540T,SFD50N06,SFP20007,SFU18N20,SGP104R0T,SCD65R1K2C,SFN0330T2,SFD6008T,SGM107R7T,SC3D04065A,SFM4010T,SFF20N50,SC3D20065D,SFP40N20,SFS0307T4,SFD3012T,SFF7N65,SCD60R580C,SFU5N20,SC3D10065A,SGM105R0T,SCF65R310C,SCF60R360C6,SFS0405T4,SC3D10065G,SC3D10065I,SFP6P10,SFM4005DT,SC3K080120,SCK65R1K15C,SFW50N25,SFU4N65,SFN0413T4,SFD5N65,SFP30P10,SFM10003PT,SC3D08065A,SFP18P10,SFD4N90,SFF7N70,SCF60R125C,SFXXXXXPTX,SFD4006PT,SFD4003T,SCF70R600C,SFF6005T,SFS0306T4,SCF80R950C,SGA104R0T,SFD3010T,SFE3007T,SFD5N50,SFP3006T,SFP3018T,SFP18N20,SGP103R0T,SCW65R075CF,SCF65R170C,SFS6012T2,SGD6008T,SGM041R8T,SFD4001PT4,SFD4001PT5,SFF8N65,SFN3006PT,SC3K040120,SGM6008T,SFD4N70,SCW60R030CF,SFB50N25,SCW65R041CF,SFP6005T,SFS2013PT,SCF70R420C,SCW65R090C,SGM031R1T,SCD70R420C,SC3K075120,SFD33N10,SCW65R099TF,SFP5P03,SCF60R160C,SFR0206T2,SFD4N65,SC3D15120H,SFS2N7002,SFF33N10,SCF70R360C6,SFD2008T,SFN3003T,SFS2302B,SGM109R5T,SFM6008T,SFD3006PT,SFD6003PT,SGA104R5T,SFF20N65,SFK4N65,SFB90N25,SFD5N20,SFR0205PT2,SGM030R7T,SFF8N80,SC3D30065D,SFN3002T,SFU9N20,SFD7N65E,SFD9N65,SFD4004PT,SFF20N70,SGM042R4T,SFP6007T,SFS3401B,SFS4435,SFU6003T,SGU6008T,SFM0430T2,SFF10N70,SCF60R360C,SFD2006T,SC3D06065E,SC3D06065G,SFP75P55,SC3D10120H,SFF3N80,SC3D06065A,SCD70R600C6,SCD65R380C,SFD14N25,SC3K015120,SFSAP4580,SFS6010T2,SCD65R540T,SGP105R5T,SFF4N65,SFF10N65,SC3D30120H,SFM0320T4,SC3D30120D,SC3D16065A,SC3D16065D,SC3D16065G,SFP27P20,SC3K050120,SFU6005T,SFW10P04,SFD3N50,SFF4N70,SFM10008T,SFF9N90,SCXXXXXXXXFX,SFD2003T,SFN0318T2,SFD3009T,SFM3011T,SFD6005PT,SC3K032120,SFP110N55,SFF16N65,SC3D12065A,SFF10N80,SFF5N50,SC3D12065G,SGD10HR20T,SC3D12065I,SC3D20120H,SFP59N10,SFN6004T5,SXXXXXXX,SFD9N20,SCF65R240C,SC3D06065I,SCD65R640C,SFS2012PT,SGA105R5T,SFN0250T2,SFM3012T,SC3D20120D,SGM041R3T
美浦森半导体 超结MOSFET/高压MOSFET/VD MOSFET/碳化硅二极管/碳化硅MOSFET选型表
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亚成微电子(Reactor Microelectronics)高压超结MOSFET选型指南
目录- 公司简介 高压超结MOSFET
型号- RMA65R1K0SN,RMG70R650SN,RME60R190SF,RMK70R280SN,RMK65R380SN,RME70R650SN,RMF60R090SF,RMA65R600BN,RMC65R1K0SN,RMC60R190SF,RMC70R1K0SN,RMG65R1K0SN,RMC70R380SN,RMC70R650SN,RME65R380SN,RMD65R380SN,RMA70R650SN,RMC65R380SN,RME70R380SN,RMA65R650SN,RME65R280SN,RMC70R280SN,RMA65R380SN,RMG65R600BN,RC10R600H,RMG70R1K0SN,RME70R280SN,RMA70R380SN,RMC65R280SN,RMC65R650SN,RMD65R650SN,RMD65R280SN,RMXXXRXXX,RME65R650SN,RMC65R600BN,RMA65R280SN,RMK65R280SN,RMD120N08S,RMA70R1K0SN,RMF65R041SF,RMK70R380SN,RMA70R280SN,RMG65R650SN,RMD070N10S
【选型】全桥式电源应用上的超结MOSFET如何选型?
全桥式电源比半桥电路提供更高效率,所以它们主要用于大功率应用(超过1kW)。在一些要求输出功率较高的领域,全桥式开关电源变换技术占有者十分重要的地位。本文介绍全桥式电源的超结功率MOSFET如何选型,并以3kW DCDC产品为例推荐无锡紫光微TPW65R100MFD。
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