解析图腾柱无桥PFC中碳化硅器件的应用

时间： 2024-07-03 来源：瑶芯微微信公众号

技术问答

由于电力电子装置等非线性用电设备大量接入电网，会将其产生的谐波电流注入电网，使公用电网的电压波形发生畸变，影响电网的电能质量，同时会威胁电网中电气设备的安全经济运行。因此，需要功率因数校正(PFC)，把公用电网的谐波含量控制在允许范围内，防止谐波对电网和电气设备造成危害，保障电网的安全经济行，从而获得良好的经济效益。

图腾柱无桥(去掉了传统的低频整流桥)PFC，具有元件数量少、共模噪声低等特点。由于普通Si MOSFET体二极管反向恢复特性差，为了避免反向恢复造成的额外损耗，图腾柱无桥PFC通常工作于CRM或DCM，该模式PFC电感纹波电流大，EMI滤波器体积大，只能在中小功率场合被采用。而SiC器件具备反向恢复性能好、耐高温、开关速度快等优势，因此在车载OBC、通信电源、UPS及高频DC-DC等领域有大量项目采用图腾柱无桥PFC替代传统的PFC或交错并联PFC。

图腾柱无桥拓扑分析

如图1是基于SiC图腾柱PFC的基本电路功率级结构，其中Q1和Q2是SiC MOSFET工作于系统高频下，Q3和Q4是普通的超结MOSFET，工作于电网频率下，并联在Q3,Q4上的肖特基二极管用于进一步改善系统效率。

当输入电压vin在正半周期时，主开关管为Q2，其占空比为D，续流开关管为Q1，其占空比为1-D；电感储能，流过Q2、Q3、L到Vin；电感释放能量时，主开关管Q2关闭，续流管Q1打开，流过L、Q1、Ro、Q3。二者的PWM驱动波形为互补模式PWM,中间留有死区，控制环路用于控制Q2的占空比D，在此阶段下，慢管Q3会一直导通，且电感电流自左到右。如下图2所示，给出了在AC正半周时的电感储能和续流路径。

当输入电压vin在负半周期时，主开关管为Q1，其占空比为D，续流开关管为Q2，其占空比为1-D；电感反向储能，流过Q4、Q1、L到Vin；电感释放能量时，主开关管Q1关闭，续流管Q2打开，流过Q2、L、Vin、Q4、Ro。二者的PWM驱动波形为互补模式PWM，中间留有死区，控制环路控制Q1的占空比D。在此阶段下，慢管Q4会一直导通，且电感电流自右到左，如下图3所示，给出了在AC负半周时的电感储能和续流路径。

驱动电路设计

驱动电压

SiC MOSFET具有耐高压、耐高温、低导通和工作频率高等优点，但SiC MOSFET的优势在高频工作下也带来了一些问题。随着开关频率的提高，SiC MOSFET的关断过程电压变化率(dv/dt)变大，其通过米勒电容Cgd耦合到栅极导致栅极产生电压变化，如该变化电压超过导通阈值电压Vth，会导致SiC MOSFET二次开通，因此SiC MOSFET需要负压关断避免该现象，通常关断电压设置在-2到-4V。

驱动电阻

SiC MOSFET的开关速度主要由其栅源电容Cgs大小和驱动回路的充放电电流大小决定，Cgs大小是确定的，而充放电电流的大小与驱动电压和栅极电阻有关。为了获得更快的开关速度，提高系统工作效率，通常选取较小的驱动电阻来增大栅极驱动电流，而驱动电阻过小可能会导致栅源极电压出现过振荡(尤其是在米勒平台)。由于栅极驱动是典型的RLC结构，因此可以推导出保证栅极不发生振荡的最小电阻：

Lwire栅极电感包括驱动器与器件连接电感(PCB)、器件栅极内部寄生电感。在电路设计中可以通过缩小连接电感来降低栅极电阻,增大驱动电阻的取值范围。

系统验证结果

在某型2KW(额定输入电压230Vac，额定输出48Vdc)电源上验证，该电源架构采用图腾PFC+全桥LLC，PFC工作频率65kHz，CCM控制，SiC MOSFET采用瑶芯650V/45mΩ ，实测效率峰值超98%(230Vac@1000W)，达到钛金效率标准，对比传统CRM控制的交错PFC电源方案的极限效率，仍提升了2%左右，体现了无桥图腾柱PFC优势。

瑶芯提供650V全系列SiC MOS

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本文由犀牛先生转载自瑶芯微微信公众号，原文标题为:技术分享 | 图腾柱无桥PFC中碳化硅器件的应用，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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【经验】1200V/75mΩ高性价比SIC MOSFET助力6.6KW车载OBC全桥逆变，较主流型号成本降低10%

为兼顾提升6.6KW车载OBC充电效率并降低系统设计成本，本文推荐选择Wolfspeed（科锐）推出的一款高性价比SIC MOSFET C3M0075120K，采用自带独立驱动源引脚的TO-247-4封装，导通阻抗低至75mΩ，兼容普通MOSFET栅源电压-4V和+15V的工作电压设计，单价成本相比1200V/80mΩ SIC MOSFET可降低10%，是实现低成本高性能的首选。

设计经验发布时间 : 2018-11-10

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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

目录- SJ MOSFET HV MOSFET VD MOSFET SIC Diode SIC MOSFET

型号- SLF8N60C,SLF12N70S,SLF16N60S,MSD02120G1,SLFT0R360S3,SLD80N04T,MSH080120M1,MSP540S,SLP300N10T,MSH16120G1,SLB130N10G,SLF8N60S,MSNP06065G1,SLF60R099E7,SLF60R180E7D,SLF80R380SJ,SLH60R070E7,SLD100N03T,SLD70R310S3,SLD5N50S2,SLF10N70S,SLM100N03T,SLF65R380E7,SLD70R600S3,SLS30L03T,SLF10N65C,SLF10N65A,SLD2N65S,SLF80R240SJ,SLD65R280E7,SLF14N60S,SLN30N03T,SLF18N50S,SLF12N65S,SLF3101,MSH060065M1,SLF70R500S3,SLF10N65S,SLN40N04G,SLM65R380E7,SLF18N50A,SLF18N50C,SLF12N65C,SLF12N65A,SLW24N50C,MSNP08065G1,SLW9N90C,SLD20N06T,SLF16N50S,SLF70R360S3,SLD80N06T,MS2H20120G1,MSD05120G1,SLF65R565SS,MSD02065G1,SLF20N60S,SLF5N60S,MS2TH60065G1,SLF16N50C,SLF60R380E7,SLD60N04T,MSP08065G1,SLD20N10T,SLP150N06T,MSH20120G1,SLP80N08T,SLF5N60C,SLF18N60S,MSP02065G1,SLF70R310S3,SLF60R070E7,MSK040120M1,SLFT0R600S3,SLL65R170E7,MS2H32120G1,MSK060065M1,MSM06065G1,SLD80R500SJ,SLD840U,MSP04065G1,MS2H40120G1,MSD10120G1,MSF10120G1,SLP32N20C,SLD50N06T,SLF20N50S,SLF18N65S,SLD65R565SS,MSP20065G1,SLD65R380E7,SLF20N50A,SLD70R500S3,SLF20N50C,SLP150N04T,SLF2N60S,SLW60R099E7,SLF8N65C,SLM80N10G,SLP3103,SLF65R280E7,SLF7N70S,MSD06065G1,SLF8N65S,MS2H40065G1,SLF70R600S3,MSP10120G1,MSP06065G1,SLD840UZ,SLD70R360S3,SLP3205T,SLP3710T,SLF5N65C,SLF10N60C,SLF730S,SLP50N06T,MS2H32065G1,SLF14N65S,SLM90N06G,MSP10065G1,SLM180N04G,MSP16065G1,SLF10N60S,MSK025120M1,SLF12N60C,SLF840C,SLF65R170E7,SLD90N02T,MSNP10065G1,MSK080120M1,SLH65R070E7,SLF16N65S,SLF13N50C,SLD5N50S,SLF20N65S,SLF13N50A,MSD04065G1,SLF60R280E7,SLB120N08G,SLD80N03T,SLP150N03T,SLD80R850SJ,SLF5N65S,SLD80R600SJ,SLF13N50S,SLM20L10T,SLF7N80C,SLD150N03T,SLM60N10G

选型指南 - 美浦森 - REV.01 - 2021 PDF 英文下载

【选型】无锡紫光微（UNIGROUP）半导体功率器件（半导体场效应管/MOSFET/晶体管/IGBT/IGTO）选型指南

目录- 超结功率MOSFET（SJ MOSFET）金属氧化物半导体场效应管沟槽式金属氧化物半导体场效应管双沟槽金属氧化物半导体场效应管 IGBT 绝缘栅双极型晶体管 IGTO 集成发射极可关断晶闸管 SiC SBD & SiC MOSFET GaN MOSFET 半桥驱动电路

型号- TPD60R1K0C,TMP11N60H,TPA70R1K5M,TCW20N120AD,TMD4N50H,TPV60R350C,TSB15N10A,TPU50R5K0D,TPW60R075C,TMA9N70H,TPR60R580C,TPB70R135MFD,TPW60R160M,TTB95N68A,TPU65R600M,TMP20N40H,TMP12N65H,TMA8N90H,TMJ2N50HF,TMU3N55LT,TTD100N04AT,TPP80R300MFD,TMS05P35H,TPU65R600C,TPW90R350A,TMP30N25H,TCW65R036A,TC21814,TPD65R4K3C,TMP12N65M,TMA12N50HF,TMD5N30H,TMA8N50HFE,TCW65R145A,TMP10N80H,TPP65R380C,TPA60R260MFD,TMW35N60H,TPW55R060D,TPV60R240M,TTD85N03AT,TPA70R600M,TPD5QR690C,TPD50R5K4CT,TPW65R044MFD,TMU6N60H,TPD65R450CFD,TMP12N40H,TPA110R550A,TTU03P06ATS,TPU65R1K5M,TSP180N03A,TPY70R1K5C,TMA9N95H,TPA65R940C,TMA4N100H,TPA65R2K2C,TPA70R1K5C,TMU2N55CT,TMA8N50HF,TMA8N50HE,TTP90N03AT,TMU5N80H,TPP80R750C,TMA8N50HH,TPU73R400M,TMP12N43H,TMA13N65H,TMX05P35H,TTX2305A,TPB60R580C,TPU60R7K5C,TCW12N120AD,TPD65R2K7C,TMA20N60H,TTP115N08A,TPV65R085CFD,TPA65R190MFD,TPU65R1K2C,TPP65R160C,TMW3N150H,TPB65R300MFD,TPW50R060DFD,TMA12N60M,TC2108,TC2106,TPP100R500A,TPU65R950M,TMP20N65H,TC2104,TPD65R280D,TMA4N55LT,TPW100R800A,TMA12N60H,TC2103,TPU70R700C,TMU8N65H,TC2101,TPP70R260M,TMV25N55H,TPV70R190MFD,TPC80R1K2C,TPB65R750C,TPD65R2K6C,TCP3N65A,TPA60R170MFD,TPV70R090M,TMA3N55HT,TPA80R250A,TSG10N06A,TPU55R6K5C,TPA50R700C,TSJ10N06AT,TPA73R300M,TC2117,TC2118,TFA120R800A,TPU50R5K4C,TC2113,TSU10N06A,TMP30N10HT,TTB65N10A,TTJ12N04AT,TC2110,TPA65R170M,TSP12N06A,TPC60R150C,TMA8N70H,TPB50R400C,TTU05P03ATS,TMC6N70H,TMP15P20H,TPP60R260MFD,TSD12N06AT,TMW9N90H,TPP60R600MFD,TMP13N40H,TPW70R120M,TMD7N53HE,TMP1N60C,TMP140N10A,TPP65R360M,TMR12N50H,TTD18P10AT,TPA65R280D,TPV73R300M,TMB160N10A,TMP110N06H,TPW65R100MFD,TTU01P10ATS,TPD55R2K1C,TMD2N70H,TMD3N50H,TSG10N06AT,TMA4N120H,TPU50R360D,TMP12N60H,TPD60R1K4M,TMP12N60M,TMU1N50LT,TMA12N65H,TMA10N80H,TTU08N02ATS,TPA70R950C,TPA70R950M,TMP9N90H,TPA60R330M,TMA12N65M,TMU7N65H,TCP4N65A,TC2136,TPC80R1K5C,TMA11N60H,TMP2N60H,TMA3N120H,TMU4N80H,TPD70R360M,TTG130N03GT,TPU50R250C,TTP70N07A,TPP70R170M,TPV50R060C,TPY70R1K4C,TPB65R1K2C,TPC60R700C,TMU4N40HT,TPA70R1K4C,TMA4N55HT,TMV2N60HF,TPA50R2K3C,TCW50N65A,TPD65R940C,TPG65R365MH,TMV9N90H,TMA13N68H,TPB65R090M,TMU03N60HT,TPD60R840C,TPD65R2K2C,TPU70R2K8C,TTP95N68A,TPP65R600M,TMA4N60H,TMU1N50HT,TPC65R380C,TPD70R1K5M,TMA40N20H,TPD60R1K8C,TMA3N80H,TPP65R070D,TTP100N04AT,TSG010N03AT,TPA100R500A,TTD120N03AT,TPP65R075DFD,TPP65R600C,TMU8N60H,TPC50R690C,TMA4N60N,TMA4N60L,TMA4N60M,TPB80R300CFD,TPP65R950M,TMU08N50HT,TPW60R036M,TTD65N04AT,TMP162N04H,TPP60R2K5C,TPA60R600MFD,TPP70R700C,TPA80R300A,TMU1N50C,TPP80R1K2C,TPA80R300C,TPW80R300C,TPB65R400MFD,TMU1N50H,TMV8N120H,TMD2N50H,TPC70R260M,TMB120N08A,TPA65R520D,TMP120N08A,TPB100R800A,TPP60R700C,TPD70R950M,TMA12N45H,TMA10N60M,TMA10N60N,TMA2N50HF,TMU2N55L,TPD70R950C,TMD2N50CF,TPP65R700MFD,TMA10N60H,TMW6N90H,TMP50N06HT,TPD80R2K2C,TSG10N06ATC,TPP70R190C,TPP80R1K5C,TPW110R800A,TPW5QR065CFD,TPP110R550A,TPA65R9K2C,TMP25N055H,TPP65R1K2C,TMD5N50NF,TTP120N02GT,TMP6N90H,TFU65R280D,TTG40P02ATC,TPD60R1K7C,TMA18N70H,TMA1N60H,TPU65R380C,TPD70R600M,TMP16N25H,TPU80R750C,TTU04N08ATS,TPW70R300MFD,TPA50R500C,TTD28P10AT,TMA11N65H,TMP8N50L,TPA60R1K0C,TMA4N60HF,TPD70R1K5C,TMP8N50H,TMA9N90H,TPV100R500A,TMD8N60H,TCW30N65A,TMP20N60H,TPD65R400MFD,TPU55R2K9C,TMB140N10A,TPC65R360M,TMA3N60H,TMU9N20H,TPU50R1K8C,TPV80R300CFD,TMP38N30HF,TPB70R120M,TPA60R530M,TMP5N100H,TMA5N20H,TPA73R190M,TPR70R120M,TPU60R600MFD,TPV73R190M,TPU60R2K2C,TPC50R250C,TMA25N50C,TTP118N08A,TMU7N60H,TMP3N100H,TMU7N60L,TMU1N50CT,TMY1N60H,TMP1N20H,TSB12N10A,TCP6N65A,TSU12N06A,TMS1N5QLT,TPD55R2K9C,TMA25N50H,TPP60R360MFD,TMC10N65H,TMY1N60B,TPP50R500C,TPB70R400MFD,TPW70R044MFD,TC21844,TMA10N40L,TTD135N68A,TMW9N95H,TPU50R1K6C,TPV65R080C,TTB80N04AT,TSP045N10A,TPU80R1K2C,TMA10N40H,TMD7N60HF,TPP60R190A,TMA85N08H,TMP15N40H,TTK8205,TPB90R350A,TPC60R350C,TMA12N50NF,TPA120R1K5A,TTG65N10A,TTP115N68A,TMA10N65N,TSP12N10AT,TPB70R450C,TPP65R1K5M,TMA10N65H,TC2304,TPU50R1K5C,TMA10N65M,TPC60R240M,TMA18N50H,TPD60R3K4C,TMA2N60C,TMA2N60H,TCW65R275A,TPB65R380C,TPR65R260M,TMU5N50CF,TPA80R1K2C,TPA65R400MFD,TMV28N55H,TPP80R270M,TMW57N10H,TMA16N60H,TMD8N55HE,TPA65R280DFD,TPP60R580C,TTP150N02GT,TMU3N50H,TSP15N06A,TPP120R800A,TMC10N60N,TPW50R065CFD,TPA70R190MFD,TMP6N40H,TTD120N02GT,TMC10N60H,TMU2N70H,TTP120N03AT,TMU6N60HF,TTJ05P04AT,TMP8N25H,TMU2N70L,TMU5N30HT,TPA70R450C,TMA9N20HT,TMP2N50HT,TMU2N70N,TPC65R940C,TCW20N120A,TPB65R100MFD,TMA18N20H,TPU60R3K4C,TMV10N90H,TMU02N15AT,TPA80R300CFD,TSU12N10AT,TPW60R260MFD,TPC70R1K5C,TMA25N55H,TMA4N90H,TPV60R190A,TMU1N55LT,TMW45N50HF,TPA55R2K1C,TPA60R3K4C,TPD50R500C,TCW120R052A,TC2103A,TPC70R950C,TMA3N50LT,TMD8N50H,TPA60R160M,TSG12N06AC,TTP60N10AT,TMA7N55H,TMP7N65M,TPA65R450CFD,TMA5N70H,TPR70R360M,TPA80R1K5C,TSP15N08A,TPU60R1K7C,TMA7N50LF,TPV60R080M,TMD9N20LT,TSG12N06AT,TCW60R320A,TPC70R1K4C,TMU4N55C,TPY70R1K5MB,TPW65R170M,TMA2N120H,TPW110R500A,TMA6N50H,TPU80R1K5C,TMU2N50HT,TMS1N40HT,TMP16N65H,TTP55N12A,TPA80R180M,TPU60R1K8C,TMV20N65H,TSD10N06AT,TPP65R280DFD,TMD7N70H,TPW50R055D,TPD50R700C,TMV3N150H,TMZ1N60B,TMP2N50CT,TPC65R170M,TPW60R120MFD,TPB65R360M,TMW25N50H,TPP50R1K8C,TTG60N03QTC,TPA70R120M,TPP80R300CFD,TM

选型指南 - 无锡紫光微 - 第六版 - 2020年6月 PDF 中文下载

B2M012120N SiC MOSFET

型号- B2M012120N

数据手册 - 基本半导体 - Rev. 0.1 - 2024-07-26 PDF 英文下载

技术分享 | 解析SiC MOSFET串扰特性

随着SiC MOSFET开关频率的不断增加，在半桥结构（如逆变电路、全桥电路等）桥臂串扰现象越发严重，易造成桥臂直通短路或影响可靠性，限制了SiC MOSFET开关频率及系统功率密度进一步提高。本文瑶芯微将为您解析SiC MOSFET串扰特性。

技术探讨发布时间 : 2024-08-10

HI-SEMICON（深鸿盛）场效应管（MOSFET）选型表

目录- 中低压功率MOSFETs 高压功率MOSFETs 超结MOSFETs

型号- SFU6007T,SFP20N65,SCF60R190C,SFD3006T,SFD6003T,SGP104R5T,SFF10N65R,SFD7N70,SFF4N60E,SFQ0320T4,SFM4009T,SFE6001T2,SFP20N60,SFK2N50,SFF60N06,SFM041R8T,SFD60N06,SFD2N50,SFP4N65,SFP33N10,SFP4N65E,SCP60R190C,SFP20N70,SFS3401,SFD4N60E,SFS3400,SFD6005T,SFD7N65E-Y,SFD7N50,SFM6005ST,SFF18N50,SCA60R280C,SFM4N65,SFD1N65,SCP70R360C6,SFD3015T,SGA855R0T,SFP50N06,SCA65R540T,SCF65R640C,SFQ0322T4,SFU4N65E,SFF12N65,SFD6006T,SFD6N70,SGM10HR14T,SFQ0420T4,SGM062R3T,SFS4525T,SFD3N50-P,SFN3009T,SCD60R360C,SFF6N70,SFU3006T,SCF65R1K15C,SFP9N20,SFF50N06,SFD6007T,SFF3N50-P,SFP10N60,SCF65R380C,SFP7N65E-Y,SCP65R380C,SCP60R280C,SFS4008T2,SFS2300,SFF7N65-Y,SCF60R280C,SFF13N50,SFF7N50,SCF65R540T,SFD50N06,SFP10N70,SCD65R1K2C,SFM4010T,SFD3N50TS,SFF6007T,SCF80R500C,SCD80R500C,SFF2N50,SFD3012T,SFA3018T,SFF7N65,SCF65R310C,SFF7N65E-Y,SCD70R360C6,SFF6006T,SCK65R1K15C,SFD4N65E,SFF15N10,SFU4N65,SFF7N70,SFD4003T,SFU9N65,SFF6005T,SFD7N65-Y,SCP60R160C,SCA60R190C,SCF80R950C,SFK3N50,SCF55R2K7C,SFF12N65-Y,SFE3007T,SFP3006T,SFD5N50,SGM6005DT,SFF9N20,SGF15N10,SFP60N06,SFS2N10,SCF70R600C6,SFD4001PT5,SFP10N65-Y,SFF3N50,SFM4N65E,SCD65R125C,SCF65R125C,SFD4N70,SFP7N65-Y,SFF5N50TS,SFP6005T,SCP65R125C,SGM031R1T,SCF70R420C,SCD70R420C,SFP12N65-Y,SCP65R540T,SCF60R160C,SFD4N65,SFS2N7002,SFF3N50TS,SFF33N10,SCF70R360C6,SFS2302B,SFS2301B,SFD15N10,SFF20N60,SFD6003PT,SGA104R5T,SFF20N65,SFS4606T,SFU4003T,SGD15N10,SFF9N50,SFD10N65-J,SFF4N65E,SFD4004PT,SFD9N65,SFF20N70,SFU10N65R,SCD55R2K7C,SFU6003T,SFF10N70,SCF60R360C,SFD2006T,SFF9N65,SFP13N50,SCD70R600C6,SFU7N70,SCD65R380C,SFD5N50TS,SFAP4580,SFF10N60,SCD65R540T,SCP60R360C,SFF4N65,SFM0320T4,SCF65R1K2C,SCP80R500C,SGP855R0T,SFU6005T,SFD10N65R,SFD3N50,SFP12N65,SFU6N70,SFU4N60E,SFF4N70,SFF10N65-Y,SFF9N90,SGU15N10,SFM3011T,SFF16N65,SFP110N55,SFU6006T,SFP18N50,SFU15N10,SFF5N50,SFF10N65-J,SFN6004T5,SFP59N10,SFD9N20,SCF65R240C,SCD65R640C,SFM3012T,SFS5N10S,SFN0250T2,SCD65R1K15C

选型指南 - HI-SEMICON - 2022/9/28 PDF 中文下载

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%

瑶芯微基于G2.5平台推出两大电压等级、多个封装系列的SJ MOSFET。其中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。

产品发布时间 : 2024-09-10

PCIM现场直击 | 会中亮点，前沿科技瑶芯邀您共鉴！

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原厂动态发布时间 : 2024-08-31

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产品发布时间 : 2024-05-18

瞻芯电子荣获“东方芯港·明日之星”奖，致力于打造碳化硅(SiC)功率器件芯片和驱动芯片的产业化

2017年，瞻芯电子在东方“芯”港这片沃土创立，前瞻性地致力于打造碳化硅(SiC)功率器件芯片和驱动芯片的产业化，现已成长为我国少有的碳化硅(SiC)芯片的垂直整合制造（IDM）企业，累计交付核心产品：碳化硅(SiC)MOSFET约900万颗，驱动芯片约4800万颗，广泛应用于新能源汽车、光伏与储能、充电桩、工业和通信电源等领域。

原厂动态发布时间 : 2024-08-24