工程师必看！4种常见的MOS管栅极驱动电路

时间： 2024-04-20 来源：台懋官网

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MOS管因为其导通内阻低，开关速度快，因此被广泛应用在开关电源上。而用好一个MOS管，其驱动电路的设计就很关键。下面分享几种常用的驱动电路。

01、IC直接驱动型

这种电源IC的直接驱动是最常见、最简单的驱动方式。

图1 IC直接驱动MOS栅极

使用这种方法，我们应该注意几个参数及其影响。

首先查看电源IC手册，了解最大峰值驱动电流，因为不同的IC芯片具有不同的驱动能力。

其次，检查MOSFET的寄生电容，如图中的C1、C2和C3，如果容值较大，导通MOS管所需的能量也比较大。如果电源IC没有足够的峰值驱动电流，晶体管将以较慢的速度开启。

如果驱动能力不足，上升沿可能会出现高频振荡，即使减小图1中的Rg也无法解决问题！而IC驱动能力、MOSFET寄生电容、MOSFET开关速度等因素，也会影响驱动电阻的选择，所以Rg不能无限减小。

02、推挽输出电路增强驱动

该驱动电路的作用是增加电流供应能力，快速完成栅极电容输入的充电过程。这种拓扑增加了开通所需的时间，但减少了关断时间，开关管能够快速开通，避免上升沿的高频振荡。

图2 推挽输出电路增强驱动

03、驱动电路加速MOS管的关断

在关断的瞬间，驱动电路可以提供尽可能低阻抗的通路，使MOSFET的栅极和源极之间的电容快速放电，保证开关管可以快速关断。

为了保证栅源极间电容C2的快速放电，在Rg1上并联了一个Rg2和一个二极管D1。

其中D1通常采用快恢复二极管，缩短了关断时间并降低了关断损耗；Rg2的作用是防止电源IC在关断时因电流过大而烧坏。

图3 加速MOS管关断电路

图腾柱电路也可以加速关断，当电源IC的驱动能力足够时，图2中的电路可以改进为下图这种形式。

图4 改善型加速MOS管关断电路

用三极管释放GS电容的电是很常见的，如果Q1的发射极没有电阻，PNP晶体管导通时栅极与源极之间的电容会短路，可以在最短的时间内实现放电，最大限度地减小关断时的交叉损耗。

图4，因为三极管的存在，栅极和源极之间电容电流不会直接通过电源IC放电，提高了电路可靠性。

04、变压器驱动电路加速MOS管的关断

为了满足驱动高边MOS管的要求，如图5所示，通常使用变压器驱动器，有时也用于安全隔离。

使用R1的目的是抑制PCB板上的寄生电感与C1形成LC振荡，其设计目的是隔离直流，通过交流，同时防止磁芯饱和。

图5 高边MOSFET驱动电路

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本文由ll转载自台懋官网，原文标题为:工程师必看！4种常见的MOS管栅极驱动电路！，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- 公司简介半导体分立器件产品概览图和应用介绍三极管 MOS管光电耦合器OC 线性稳压管LDO 贴片普通整流二极管贴片快恢复二极管贴片高频二极管贴片超快恢复二极管贴片肖特基势垒二极管直插普通整流二极管直插快速恢复二极管直插高频二极管直插超快恢复二极管直插肖特基势垒二极管高压二极管 LOW VF二极管 MINI桥堆扁桥方桥圆桥 TVS瞬变电压抑制二极管 Zener稳压二极管光伏组件通用二极管小信号二极管 ESD静电保护管包装规范品质政策和品质系统产品封装图

型号- 1A1,1A2,1A3,1N4743A,1A4,1A5,1A6,1A7,SMAJ40CA,SK58A,SK58B,ES6EC,NUP2105L,MUR830CT,5.0SMDJ170A,SK58C,RSЗAC,1N4742A,MMBT2222,RS3BBF,K53,SMDJ78CA,K52,K55,K54,ES2JBF,K56,RSЗAB,K58,S2MB,S2MA,ES6DC,MBR60150PT,SMCJ14CA,S2MF,1N4745A,ES24B1LA10,5.0SMDJ85A,100P03NF,R4000,SMCJ100CA,SR140S,ES6CC,SMBJ300A,5KP30A,1N4746A,SMF120CA,SMBJ150CA,1N4744A,MUR1680,SK815C,SR140L,SK815B,SMDJ170A,ES24B1LA06,ESD9X7.0A,FR603,FR604,FR605,FR607,SMDJ58A,SS320BF,ES6BC,MBRD10100,SMCJ30A,15N10,MBRF880,2SA1036,MBR20150,MBRF20L60CT,1SMA4731A,ES6AC,SK54C,1F1,1N4748A,1F2,SR180,SK54A,1F3,SK54B,1F4,1F5,1F6,1F7,SMAFJ130A,BZT52C33WS,US8MC,P6KE8.2CA,SMAJ100A,MUR1660,SS210L,SIK,P4KE180A,1SMA4730A,SK53B,5.0SMDJ170CA,SK53C,SS210B,SS210A,SS210F,SK53A,1N4747A,BZT52C20WS,US8JC,SMDJ54A,MBRD20L150CT,SMDJ160CA,SMBJ400CA,SMF36CA,MBRD10150,1SMA4733A,GK3012GD,HER108WS,1H1,1H2,SMAFJ30CA,SK56A,1H3,SK56B,1H4,P4KE22CA,SK56C,1H5,1H6,1H7,1H8,ES05B1LB10,MSB20M,SMCJ220CA,ES38D1MA10,A733,MUR1640,MUR3030PT,1SMA4732A,SK810C,1.5KE51A,SK55A,MBRF1080CT,1N4749A,SK55B,SK810B,SR190,SK55C,KBL606,MBR10L150CT,KBL608,1.5KE36CA,PC817,5KP36A,1SMA4735A,SMAJ18CA,KBL610,1.5KE170CA,MBR20100CT,90N10NF,R1800,5KP90CA,ESD9B3V3A,SMDJ51A,SR1045L,1SMA4734A,SR3200,1.5KE56A,SMCJ188CA,RS2AB,1SMA4737A,RS2AF,5KP24CA,GK280R65F,SK1045C,SK1045B,SMBJ90A,US1B,SMF64A,US1A,SMBJ12CA,BZT52C3V9W,US1J,MUR520,MURF840CT,US1G,ES07S1HB16,US1E,US1D,1SMA4736A,RBS210,US1M,US1K,ES06D1HA03,SMBJ5.0A,SS520A,SS520B,MBR4045PT,MBRD20L45CT,ES3EBF,SS520C,1SMA4739A,SS520F,MBR40L200CT,P6KE180CA,SS1060LB,SS1060LC,ES36D1LA03,ESD5B36C,BZT52C3V3W,MURF1660CT,UMSB30B,UMSB30A,MUR540,1SMA4738A,SS215A,UMSB30K,UMSB30J,SMAFJ440A,5.0SMDJ78CA,MUR16100CT,UMSB30G,SS215B,UMSB30D,BZT52C3V6W,P4KE400A,UMSB30M,SMAFJ90A,1.5KE10CA,SM15,S35VB100,SS215F,SM12,SMF60A,P6KE27CA,5KP33A,20A10,MBRF30200,SM05,MUR560,5KP11CA,AMS1117-2.85,MBR3045,P4KE6.8CA,RS2GB,UG2KB80,SMAFJ12CA,RS2GF,SM36,FDS4559,SMF70A,P4KE20A,KBPC5006W,SMAJ6.5C A,BZT52C16WS,MBR20L100CT,SMAJ48CA,SMBJ43CA,SS110LA,SM24,MBRF10200CT,SS510A,SS510B,SS510C,S3AC,SS26BFL,SMCJ7.5A,1N4001S,SMAJ400A,2SC2712,2SC2714,ES3DBF,KBJ806,UG2KB60,KBJ808,SS52F,SS510L,SMBJ18A,SS52A,SS52B,SS510F,SS52C,10A8,10A6,KBJ810,10A4,SR3150,KBU806,SMAJ300CA,P6KE220CA,1N4002S,10A2,KBU808,1U1,SMF7.5,1U2,15N10DF,1U3,1U5,1U6,1U7,10A1,SS1060BF,KBU810,5N10,1N4003S,MBR30L80CT,P6KE100CA,SMBJ16A,SS315BF,SMBJ30CA,MURF1020CT,5KP28A,S3DB,S3DC,SLVU2.8,SS820B,SS820C,SR5100L,S3BB,SMF110A,S3BC,1N4004S,P4KE100A,SMBJ17A,SMF85CA,MMBTA05,MMBTA06,RS2BB,SMBJ120CA,RS2BF,SM8S16CA,MUR2060,5KP8.0A,5KP250A,18N65,1N4005S,MBR3060,ESD5V0L2BT,MBR6060PT,KBU1506,KBU1508,SMBJ14A,SMDJ16CA,50P03,SMBJ130A,SS515F,SS515A,AMS1117-3.3,RS2DB,SS515B,ES2ABF,SS515C,ES15D1HA03,SB1080L,KBPC5008W,RS3KBF,1N4006S,ES18D1LA03,5KP120CA,SMAFJ85A,50P10,SMBJ15A,SMAJ170CA,RS2DF,KBU1510,MMBTA55,1N4007W,MUR1630,5N50,1N4007S,SKBPC5016,1N5339B,SMBJ12A,ESD2CAN,MBRF845,P6KE62CA,SS58C,SR260,SS58F,MMBTA56,MMBTA43,MMBTA44,5N65,MMBTA42,SS58A,SS58B,5.0SMDJ78A,MUR1620,SMCJ7.0A,ES5KB,SMDJ51CA,1N5338B,ES5KC,MBR40L60CT,5.0SMDJ48CA,SMBJ13A,SMAFJ43CA,SR250,S3GC,P6KE75A,S3GB,SMCJ150A,MBRF860,ES5JB,SS33BF,SMAJ10 A,5KP8.5A,SR280,SMAJ78A,S3JB,S3JC,US3ABF,SS110FL,5KP120A,UF4007,UF4005,UF4006,UF4003,SMBJ10A,UF4004,UF4001,UF4002,SMBJ11A,P4KE27A,MURF1020,SMAJ22CA,SMCJ6.5CA,SMAJ75A,SMCJ36A,RS2KB,MMBTA94,MUR30100CT,1N4751A,MMBTA92,RS2KF,SR220,MMBTA93,EGBU10J,EGBU10G,EGBU10D,5.0SMDJ75A,ES5GB,ES5GC,MURF1030,SMF54CA,SS54L,MBRS3045,SS54A,1.5KE100A,SS54B,SS54C,KBPC2506W,SS54F,SMCJ45CA,SB20100L,RS2JB,SMAJ188A,DB207,RS2JF,1N4750A,1N4007WS,P6KE75CA,MBR20200,P4KE24A,SS53F,S3KB,100N06NF,SS53A,SS53B,SS53C,MURF1040,S3KC,SMBJ440A,RS2MF,MBRS3060,1N4753A,SMCJ58CA,GBJ810,SMDJ7.5CA,RS2MB,GBU810,MBRF820,5.0SMDJ17CA,1.5KE18CA,SS56L,5KP60CA,GBU806,B2100B,GBU808,SS56A,SR240,KBPC2508W,ES12D1LA03,SS56B,SB20200,5.0SMDJ70CA,SS56C,SMCJ33A,SS56F,MBR10150CT,GBJ806,BZT52C51WS,1N4752A,SR230,MUR10100,SMAFJ5.0A,P4KE22A,80N06,S3MC,S3MB,ES12B1MA10,80N03,ES5DB,SS55A,SS55B,SS55C,P4KE6.8A,GBJ808,SS55F,MURF1060,5.0SMDJ33CA,1N4755A,GS1G,MBR3060CT,GS1J,1SMB5947B,GS1K,1S30,MBR20L150CT,SMF6.0C,SMDJ20CA,ES05B1LC06,SR8150,SMAJ6.0C A,GBL410,RS1G,RS1D,RS1B,GS1Z,RS1A,1S20,SR150S,RS1M,RS1J,SMAFJ12A,RS1K,S3GBF,SMDJ160A,FR107WS,1SMB5948B,1N4754A,GBL406,SMAJ60A,GBL408,1S40,5.0SMDJ70A,SMF22CA,SMDJ48A,MBRD10200,SMCJ7.0CA,MUR2060CT,GS1B,GS1D,SMCJ20A,P4KE36CA,SMAFJ11A,S2DBF,GS3G,GS3J,P6KE200A,1SMB5949B,GS3K,GS3M,1S50,SMBJ85A,SS52BF,GS3Z,SMAJ5.0 A,P4KE120CA,1SMA4741A,SMAFJ14A,SMF180A,1N4758A,9926A,SS510LA,1N4756A,SS510LC,BAV19WS,SS54BFL,SS510LB,KBPC3510W,SM8S22CA,1S60,SMDJ45A,SMDJ33CA,BAV19WL,BZT52C6V8W,RS2G,1SMA4740A,SOD05H8WS,RS2D,GS2Z,RS2A,RS2B,UMSB40B,UMSB40A,GS3B,RS2M,GS3A,GS3D,RS2K,SMAFJ13A,SMCJ13CA,1N4757A,RS2J,GS5J,MBR20L45CT,GS5K,B5100C,GS5M,B5100B,SMDJ64CA,SB10100,5KP180CA,2SB1198,20N02DF,1SMA4743A,GS6A,MBR860CT,SMAFJ16A,SMAFJ75CA,GS6B,SS38F,1.5KE62A,GS6D,GS6G,MURF1630CT,MSB30M,SMCJ26CA,SS38A,SK10100C,MSB30J,SS38B,SS38C,MSB30K,BZT52C6V2W,SMDJ43A,FR501,FR502,FR503,FR504,1S80,FR505,FR506,FR507,1SMA4742A,GS5B,GS5A,GS5D,MSB30G,SMAFJ15A,MSB30B,1N4759A,MSB30A,M

选型指南 - 固得沃克 - 2022/11/22 PDF 中文下载

场效应晶体管技术解析，JFET与MOSFET的原理、区别及应用

FET分为JFET（结型场效应晶体管）和MOSFET（金属氧化物半导体场效应晶体管）。两者都主要用于集成电路，并且在工作原理上非常相似，但是它们的组成略有不同。让我们详细认识下两者。

设计经验发布时间 : 2024-04-20

台舟电子（TECHPUBLIC）TVS/ESD/MOS管/电源管理IC/运算放大器/肖特基选型指南

描述- 台舟电子的主要研发设计产品线有ESD静电保护管，肖特基，场效运管，LDO，升降压器件等功率器件。其中，ESD静电管是台舟电子核心优势产品，种类齐全且多偏向小封装为主，如：DFN0603，DFN1006，SOD523, SOD323，SOT23，SC70,SOP8等。

型号- TPESD0201G12V,TPESD0201G36V,TPM20V3PLS3,TPM1029EX6,TPM7002ES3,TPMMBTA42,TPMMBTA43,TPE0552BR3,TPMMBTA44,TPBAS70DW-04,TPM1003NS3,TPBAS70DW-05,TPBAS70DW-06,TPTVS2491D3,TP2SC4617,TPMMBD7000,TPM9305PS3,TPTVS0793D3,TPESD0504S6,TP173CXXS5,TP1100TB,TPMMDT2222A,TP1100TA,TPMMBTA55,TPMMBTA56,ESD5V0B3L-0201,TPM30V5PS6,LM321S5,TPM2013PLS8,TPM30V5PS8,TPBT4448-123,TPBAV21WS,ESD3V3B14J-523,TPBAV21WT,TPBAS70-06,TPBAS70-04,TPBAS70-05,TPCZT5401,TPESD5Z5.0,TPE12CJS3,TPBAS40T,TP78L12T3,TPM60NP5S8,ESD36VB17-1006,ESD5V0B15G-1006,TPDTA144EUA,TPBSS1045C,TP6806C12S5,TPESD0201G15V,TPB1A100-123FL,TPM7002ER3,ESD24VB10-523,TPBAT54JW,TP8111S5,TPBAS16WT,TPB2000S6,TPAX809SS3,TPDTC143EKA,TP0640SC,TPBC857CW,TP0640SB,TPDTC143ZUA,TPM603NT3,TPE08UK,TPMMBT3904,TPE15LC,TPMMBT3906,TPM5121NEC6,TPUMD12N,TPBC857BV,TPBC857BW,TP0640TB,TP0640TA,TPAX810SS3,TPMMBTA92,TPMMBTA93,TPMMBTA94,TPM2302HS3L,TPDTA144EE,TPBT4448-323,TPE05U5X6,TPM8205ATS6,TPBC857BT,TP6818S5,ESD3V3B14G-923,ESD7V0B8G-0201,TPBAS21C,TPFMMT720,TPBAS21A,TPM2302LS3,TPESD5Z7.0,TPESD0201G18V,TPGC03CP,TPBAT54T,TP0300TB,TP0300TA,TPBAT54W,TPM4003NES3,TPE12CHS3,TP6130S6,TPBAS21S,TP572CXXS3L,TP2SC1623L6,TPE24EC,TPBAT54C,TPBAS70-04T,TPTVS1593D3,TPM2002ND8L,TPMMDT2907A,TPM3012PS8,TPSS8550W,TP173CADJS5,TPMMST5551,TP0300SC,TP0300SB,TPBAV70T,TPBAV70W,TPBSS5200C,TPM30V3PS3,ESD12VU35-923,TPM4101PLC3,TPBAS70-05T,SRDA05-4,TPM6050NK3,TPESD3320AS5,TP152CXXXX,TPM3139KS3,TPBCX52-16,TPESD0522PA,TPBAT54CT,TP0220SC,TPM40V5NS3,TP431CS3,TPBAT54CW,TPE0572BS3,TP0220SB,TPMMBT4401,TPBC848CW,TPB1000S3,TPE05CJS3,TPM2019EX3,TPM7002EM3T5G,TPM4105EC6,TPE24H4C5,TP0220TA,TP0220TB,TPMMBT4403,TPM6052PK3,TPBC846BW,TPBC857AW,TPM60V4NS6,TPM4016PS8,TPE1262BC3,TPBCP55-16,TPMMST4403,TPBAT54AT,TP3721S5,TPM40NP8S8,ESD12VB7-1006,TP2SC4081W,TPBC846BT,TPBAT54AW,TPBSS120A,TPM2301ES3,TPBC846AW,TPB10100L,TPBAV99T,TP131CXXS5,TP7816C33S3L,TPBAS40-06,TPBAV99W,TPBAS40-05,TPBAS40-04,TP172CXXS5,TPBSS24A,TPBSS24B,ESD5V0B5-01005,TPM2101PLC3,TPESD0592P,TPM3155EX6,TPM10013PHK3,TPM2009EP3,TPM3008EP3,TPE0520ABS3,TP4056AS8,ESD7V0B6A-1006,TPTVS1893D3,TPESD0524PA,TPM60130ND56,TPMMBTA05,TPMMBTA06,TPPXT3906,TPPXT3904,TPBSS320C,TPESD4002X5,TPM020N03D8,TPTVS2493D3,TPM30NP4S6,TPESD4012,TPMMST4401,TPBSS320B,TPE05H3S4,TPBSS320A,TPESD05RUS3,TPESD1221P,ESD3V3B18A-0201,TPMMBTA13,TPBSS26B,TPMMBTA14,TPBSS26A,TP2SC2412R,TPBC848BT,TPESD0304S6,TPBC848BW,TPV331S5,TPM60V4PS8,TPCXT5551,TPBSS210B,TPBSS210A,TPS8050,TPE4102BX6,TPM1504NT3,TPESD0515X6,TPM3401AS3,TPBC848AW,TPESD05H2Z,TP275CXXXX,TP1117-XXY3,TPE36U2S3,TPM30400ND56,TPM3415ES3,TP375CXXS5,ESD5V0B06G-1006,TPESD05H2P,TP572CXXGT3,TP7820S6,ESD24VB3-1006,TPAX809LS3,TPE05G4S6,TPM60V2PS3,TPM6012NK3,TPESD0544M,TPMMDT9014,TPPZT4401,TPE24CHS3,TPM30PB8S8,TPM20NP3LS6,TPMMDT3946,TPESD0521Z,TPM2008EP3,TPM202PEP3,TP78L09T3,TPE05H5S6,TP8632S8,TPBAV21W,TPDTC114YUA,TPBSS86C,TPBAS40TW,TPM7002EC3,TPBC858C,TPBC858B,TPBC858A,TPESD05RUS3-1PF,TPE2804S8,TPUMG5N,TPBCP52-16,TPE36KCANS3,TP4054S5,TPS9012W,TP4500SB,TP402CXXS3L,TP4500SC,TPDTC123JE,TPBAW56T,TP6288CS5,TPE1255D6,TPBAW56W,TPBSS310A,TPAX810LS3,TPBSS310C,TPBSS310B,TP7816C50S3L,TPBAV23A,TPB02A40-523,TPBAV23C,TP4500TB,TPMMBTH10,ESD12VB7-0201,TPMMBT5401,TPB01A30-0201,TPAX809JS3,TP6327GS6,TPS8050T,TPESD0564P,TP3100SB,TPSS8050W,TPS8050W,TP3100SC,TPBCP54-16,TPESD1521P,TP78M12K3,TP275CXXGT3,TPESD1106X6,TPBCX53-16,TP572CXXXX,TPESD18H2Z,TPBSS510A,TPE24MCANS3,TPESD18H2P,TPBSS510B,TPUMG2N,TPBSS510C,TPE12UK,TPM2402NLS3,TPBSS315B,TPB40S4-07,TPM1012ER3,TPM2702EX6,TPM6014PK3,TPMMSTA42,TPM20NB4S6,TPE12U20AS3,TPM340PS3,TP3100TA,TP2SA1576W,TPM1501NS3L,TPBAT54CDW,TPDTA114YUA,TPM100NB2S6,TP3100TB,TPE36UK,TP132CXXD4,TPE1572BS3,TPM6060PD56,TPB02A40-323,TPGC12C,TPE05ULS3,TPGC36C,TPESD0542ZA,TPMMDT2227,TPB1A100-123,TPTVS2471P,TPESD0603G18V,TPS9018W,TPESD0504P,TPBSS515B,TPM30V2PS3,TPESD0584S6,TPMMDT4403,TPMMDT4401,TPBAS70,TPESD0402G18V,TPTVS1271P,TPM3134KS3,TP6806C15S5,TPM3407AS3,TPESD7538P,TPBAS70BRW,TPBC846PN,ESD5V0B100A-1006,TP78L05T3,TPM615PHY3,TPM6030ND56,TPMMST2907A,TPMMSTA56,TPB05A40-323,TPMMST3904,TPMMST3906,TPE2808S8,TPM30NP40K5,TP6816S5,TPB02A100-323,TPMMST2222A,TPESD05Y4S6,TPTVS0593D3,TPB02A40-923,TPMMSTA92,TPGC05CP,TPM20P7S3L,TPE03UK,TPGC15C,TPBSS35AF,TPB1A40-1006,TPESD3374N,TPMBR10200K3,TPESD4221P,TPM7003PBS6,LM358S8,TPB02A40C2C5,TPBAT54ADW,TPLC03-3.3LC,ESD5V0B8VC-1006,TPFMMT495,TPUMC4N,TPESD7102R3,TPFMMT493,TPFMMT491,TPB1A40-123,ESD5V0B02G-0201,TPBK210F,TPB02A40-1006,TPESD0402G15V,TP7816C30S3L,TPB1A100-323,TPM2300LS3,TPM7002GS3,TPUMC3N,TPE36ULS3,TPM4152PEC6,TPBK24F,TPE4004BS5,ESD5V0B18A-0201,TPM7002NBS6,TPDTC114EM,TPESD0524J,TPBK120F,TPM2284X6,TPESD0514C6,TPS9014W,TPM4407AS8,TPM1019D6,TP7817C33S5,TPDTC114EE,TPESD0603G15V,TPE3662BC3,TPM2299EX6,TPGC18C,ESD3V3U05-923,TPESD1831Z,TPV331C5,TPS9013W,TPB05A40-123,TPESD1831P,TPBAS40,TPMMBT2907AT,TPFMMT449,TPB2A100-123FL,TPM6996D56D,TPB02A100-123,TPBSS820C,TPESD0603G36V,TP0720SB,TPBSS84C,TP0720SC,TPBT4148SES3,TPMMDT5551,TPESD0502N,TPESD0603G12V,TPE05UK,TPBC817-16,TPESD0502B,TPB03GWC,BAV199,TPESD0402G36V,TPM20V2PLX6,TPESD0402G12V,TPUMG8N,TPM3018EC3,TPM6022PK3

选型指南 - 台舟电子 - 2023/8/25 PDF 中文下载

深入了解MOS管的种类以及相关基础知识

本文由金誉半导体再带大家深入的了解一下MOS管的种类以及相关基础知识。

技术探讨发布时间 : 2024-10-27

【经验】了解开关电源PCB的布局、走线原则等设计要点

爱浦电子将在本文介绍开关电源PCB的设计要点。PCB设计是开关电源设计非常重要的一步，对电源的电性能、EMC、可靠性、可生产性都有关联。当前开关电源的功率密度越来越高，对PCB布局、布线的要求也越发严格，合理科学的PCB设计让电源开发事半功倍，以下细节供您参考。

设计经验发布时间 : 2021-08-15

合科泰TO-220封装高压MOS管4N60，可用于开关电源和电机驱动器等应用上

高压MOS管的沟道区宽、漏极区大、栅极采用特殊工艺，这些特点使得它的管子能够承受高电压。高压MOS管可用于高压电路，具有高电压承受能力和低开关损耗，因此在高压电路中得到了广泛应用。本期，合科泰电子给大家介绍一款经典且常用的高压MOS管4N60，这个管子已经被广泛应用在开关电源、开关稳压器和电机驱动器等产品上。

产品发布时间 : 2024-04-27

合科泰高可靠性NMOS管HKTD70N04，可用于电源管理和电机驱动等应用

作为一种重要的电子元件，MOS管在电子电路中扮演着关键角色，MOS管由源极、栅极、漏极组成，MOS管在开关电路中，通过栅极控制源极和漏极的通断，它具有高输入阻抗、使用灵活方便等特点，非常适合高度集成化的应用。本期，合科泰电子给大家介绍一款NMOS管，它在开关和稳压电路上具有非常多的应用。

应用方案发布时间 : 2024-10-24

MOS管用途？——放大作用、开关作用、保护作用、信号调制作用、电源控制作用

MOS管在电子技术中具有广泛的应用，包括放大作用、开关作用、保护作用、信号调制作用、电源控制作用。

技术探讨发布时间 : 2024-08-15

【选型】合科泰电子提供肖特基二极管、MOS管等产品，提高扩展坞的核心竞争力

二极管、三极管、MOS管等分立器件在扩展坞产品中用在开关电路、电源管理、电源检测电路、小信号控制电路等中起到开关、整流、稳压等关键的作用。合科泰能为扩展坞客户提供肖特基二极管、普通二极管、三极管和MOS管等产品，提高扩展坞产品的核心竞争力。

器件选型发布时间 : 2023-03-09

凌讯微MOS管在开关电源上的应用

开关模式电源（Switch Mode Power supply），交换式电源，开关变换器。是一种高频化电能转换装置，是电源供应器的一种。其功能是将一个位准的电压通过不同形式的架构转换为用户端所需的电压或电流。开关电源的输入多半是交流电源或直流电源，而输出多半需要直流电源的设备，例如个人电脑，开关电源就是进行两者之间电压及电流的转换。

应用方案发布时间 : 2024-09-30