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开关电源中功率MOSFET的驱动技术_发动机功率计算公式

发布时间:2020-01-11    信息来源:nanofib.com    作者:儒安机械

开关电源中功率MOSFET的驱动技术荟萃

GONGLVMOSFETYIQIDAOTONGDIANZUDIHEFUZAIDIANLIUDADETUCHUYOUDIAN,YIJINGCHENGWEIKAIGUANDIANYUAN(switch-mode power supplies,SMPS)ZHENGLIUZUJIANDEZUIJIAXUANZE,ZHUANYONGMOSFETQUDONGQIDECHUXIANYOUWEIYOUHUASMPSKONGZHIQIDAILAILEQIJI。NEIXIEYUSMPSKONGZHIQIJICHENGZAIYIQIDEQUDONGQIZHISHIYONGYUDIANLUJIANDAN、SHUCHUDIANLIUXIAODECHANPIN;ERNEIXIEYONGFENLIDEYOUYUANHUOWUYUANQIJIANDACHENGDEQUDONGDIANLUJIBUNENGMANZUDUIGAOXINGNENGDEYAOQIU,YEWUFAHUODEZHUANYONGDANPIANSHIQUDONGQIJIANDECHENGBENYOUSHI。ZHUANYONGQUDONGQIDEMAICHONGSHANGSHENGYANSHI、XIAJIANGYANSHIHECHUANBOYANCHIDOUHENDUANZAN,DIANLUZHONGLEIYEFEICHANGQIQUAN,KEYIMANZUGELEICHANPINDESHEJIXUYAO。

DADIANLIUMOSFETZHAJIQUDONGQI

WEIZHONGJIANZONGXIANJIAGOU(IBA)XITONGDEYOUHUADEPOL DC-DCZHUANHUANQI、IntelJIAMDWEICHULIQIDENEIHEWENYAQI、DADIANLIUBIANPINGXING DC-DC ZHUANHUANQI、GAOPINHEGAOXIAOLV VRM HE VRD,YIJITONGBUZHENGLIUGELIDIANYUANDENGYINGYONGDOUDUIJIAODADIANLIUDE MOSFET ZHAJIQUDONGQITICHULEPOQIEXUQIU,ZHEILEI MOSFET ZHAJIQUDONGQIYAONENGGOUDIKAIGUANSUNHAO,TIGAOGONGZUOXIAOLV,TONGSHIHAIYAOJUBEIGUZHANGBAOHU、YINJIAOJIANRONGDENGZHUDUOTEXING,YISHIXIANXITONGGENGDUODEGONGNENGHEGENGGAODESUDU。

Intersil GONGSIGANGGANGTUICHUDEGAOPIN 6A XIRUDIANLIUTONGBU(sink synchronous)MOSFET ZHAJIQUDONGQI ISL6615 HE ISL6615AJIUKEYIMANZUSHANGSHUYAOQIU。ZHEIXIEXINQIJIANYOUZHUYUWEIXITONGANQUANTIGONGGENGGAODEXIAOLV、LINGHUOXINGHEGENGDUODEBAOHUGONGNENG。

YI ISL6615 WEILI,TACAIYONGYIZHONGTONGBUZHENGLIUJIANGYASHIZHUANHUANQITUOPUJIEGOU,SHIYIKUANZHUANMENYONGLAIQUDONGGAODIGONGLV NGOUDAO MOSFET DEGAOSU MOSFET QUDONGQI。GAIQUDONGQI,JICHENGLE Intersil DESHUZIHUOMONIDUOXIANG PWM KONGZHIQI,XINGCHENGLEYIKUANWANZHENGDEGAOPINHEGAOXIAOLVDEWENYAQI。TAKEYIZAI 4.5 V ZHI 13.2 V XIAQUDONGGAODIZHAJI。QIQUDONGDIANYAKEYISHIXIANYINGYONGSUOXUDEBAOKUOZHAJIDIANHEHEDAOTONGSUNHAOZHIJIANPINGHENGZAINEIDELINGHUOXINGDEYOUHUA。

XINXINGQUDONGQIZENGJIALEZHAJIQUDONGDIANLIU(UGATE DELIUCHUHEXIRUZHAJIQUDONGDIANLIUWEI 4A ,LGATE DEXIRUHELIUCHUDIANLIUZEFENBIEWEI 6A HE 4A ),KEYISUODUANZHAJIDIANYASHANGSHENG、XIAJIANGSHIJIAN。ZHEIJIANGZUIDAXIANDUDIJIANGDIKAIGUANSUNHAOBINGGAISHANXIAOLV,YOUQISHIZAIMEIXIANGBINGLIANGONGLV MOSFET DEDADIANLIUYINGYONGDANGZHONG。

ISL6615 HE ISL6615A HAIZHICHI 9.6V HE 12V SHURUGUI。CIWAI,SHEJIRENYUANKEYIXUANZEZHICHI3.3 PWM XINHAO(ISL6615)HUO 5V PWM XINHAO(ISL6615A)DEQIJIANXINGHAO。MEIGEQIJIANDOUYOU 12 V ZHI 5 V DEKUANSHURUDIANYAGONGZUOFANWEI,SUOYOUQIJIANDOUYU Intersil DESHANGYIDAI ISL6594D YINJIAODUIYINJIAOJIANRONG。

WEILETIGONGJIXITONGGENGGAODEANQUANBAOHU,LIANGKUANCHANPINLIYONGFANGZHIGUOCHONGDIANDEZIJUDIANRONGQI、SANTAIPWMSHUCHUANQUANSHUCHUJIGUANDUAN、YU POR GUOYABAOHUHE VCC QIANYABAOHUDENGDUOZHONGBAOHULAISHIXIANZHEIGEMUBIAO。ZHEIZHONGDUIXITONGANQUANDEGUANZHU,JIASHANGGAISHANDELINGHUOXINGHEGENGGAODEZHAJIQUDONGXIAOLV,YOUZHUYUSHEJIRENYUANBAOCHIDIANLUBANSHEJIDEYIZHIXING,TONGSHISHIXIANZHUDUOGAISHAN,BINGBIMIANSHIYONGANGGUIDEDIDE RDS(ON) MOSFET。

CIWAI,ISL6615 HAIJUYOUXIANJINDEZISHIYINGLINGJICHUANSIQUSHIJIANKONGZHI、SHANGDIANFUWEI(POR)GONGNENG,YIJIDUOGONGNENGZHAJIQUDONGDIANYADENGTEXING。ZHEIXIEDOUYOUZHUYUSHIXIANXINGYEZUIJIADEKAIGUANXIAOLV,ERQIEWUXUZHONGXINSHEJIDIANLUBAN。

ESBTGONGLVKAIGUANJIANGDINENGHAO、CHICUNHECHENGBEN

YIFABANDAOTITUICHUSTC03DE220HV ESBT(FASHEJIKAIGUANSHUANGJIJINGTIGUAN)GONGLVKAIGUAN,SHISHEJIGONGCHENGSHINENGGOUTIGAODANXIANGHESANXIANGYINGYONGFUZHUKAIGUANDIANYUANDENENGXIAO,JIANGDICHANPINDECHENGBEN、ZUJIANSHULIANGHECHICUN。

STC03DE220HVSHIEDINGJICHUANDIANYA2200VDEST ESBTXINXILIEDESHOUKUANCHANPIN。ZAIDIANYUANDIANYA90V ACDAO690V ACDETONGYONGSHURUZHUANHUANQIZHONG,XINCHANPINRANGSHEJIGONGCHENGSHICAIYONGDANGONGLVKAIGUANDEFANJISHITUOPU。SHIYONGYIGETONGYONGDEYINGJIANPINGTAI,ZAIPEIHESHIHEDEKONGZHIQIRUL6565,STWANZHENGDEESBTCHANPINRANGSHEJIGONGCHENGSHINENGGOUKAIFAZUIDAGONGLVDADAO250WDEZHUNXIEZHENZHUANHUANQI。

GAOXIAOKAIGUANPINLVGAODA150kHz,ZUIDAEDINGDIANLIU3A,STC03DE220HVKEYONGYUGEZHONGFUZHUKAIGUANDIANYUAN,BAOKUOSHANGYONGDIANBIAO、GANYINGDIANJINIBIANQI、DIANHANSHEBEIHEBUJIANDUANDIANYUAN(UPS)。QIANGHUADETO247-4LFENGZHUANGSHIXINCHANPINDELINGYIGELIANGDIAN,8.9mmDEPADIANJULICHAOCHULEIEC664-1ZAIZUIDA2200VGONGZUODIANYAXIADEJUEYUANYAOQIU。

JITONGTAISUNHAODI、LAIZICHUANTONGMOSFETDEKAIGUANPINLVGAO、ZHAQUDONGSHEJIJIANYIDENGSANDAYOUDIANYUYISHEN,STC03DE220HVLIYONGESBTJISHUYOUHUALEBIAOZHUNSHUANGJIJINGTIGUANHEGAOYAMOSFET。CONGJIDIANJIDAOYUANJI,STC03DE220HVDADAOLE0.33 OUMUDEDENGXIAODAOTONGDIANZU,TONGSHIHAISHIXIANLE150kHz DEZUIDAKAIGUANPINLV,RUCIGAODEGONGZUOPINLVYUNXUSHEJISHIYONGCHICUNGENGXIAODELVBOQI。CIWAI,ZHENGGELUOPIANCHICUNXIAOYUTONGJIBIEDIANYADEGAOYAMOSFET,CHANPINBENSHENJIUSHIXIANLEJIESHENGCHENGBENDEMUDE。ESBTDEZHENGFANGXINGANQUANGONGZUOQU(SOA)HAIYOUZHUYUJIANHUADIANYUANSHEJI,QUEBAODIANYUANZAIGEZHONGHUANJINGZHONGDOUYOUKEKAODEXINGNENGBIAOXIAN。

ZXGD3000SHUANGJIZHAJIQUDONGQIKEGUANRU9ADIANLIU

Zetex Semiconductors(JIETEKE)TUICHUQUANXINZXGD3000SHUANGJIZHAJIQUDONGQIXILIE,YONGYUKAIGUANDIANYUANHEDIANJIQUDONGQIZHONGDEMOSFETJIIGBT。DICHENGBENDEZXGD3000XILIENENGGUANRUGAODA9ADEDIANLIU,ZHAJIDIANRONGDECHONG、FANGDIANSUDUBIZHAJIQUDONGQIICGENGKUAI,YOUZHUYUJIAKUAIKAIGUANSHIJIAN,TIGAODIANLUXIAOLV。

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