欧美日韩国产一区二区三区播放-欧美日韩国产一区二区三区-欧美日韩国产一区二区-欧美日韩国产一区-bl双性高h-bl双性调教

低溫18650 3500
無磁低溫18650 2200
過針刺低溫18650 2200
低溫磷酸3.2V 20Ah
23年專注鋰電池定制

TIDA-01579高效低波紋輸出電源參考設(shè)計

鉅大LARGE  |  點擊量:1188次  |  2020年02月05日  

TI公司的TIDA-01579是采用TpS6282x系列等的高效低波紋輸出電源參考設(shè)計,采用DCS-Control?拓拓,輸出電流高達3A(TpS62823),26/25mΩ內(nèi)部功率開關(guān),非常低的靜態(tài)電流4μA,典型開關(guān)頻率2.2MHz,可調(diào)輸出電壓從0.6V到4V,1%反饋電壓精度,100%占空比,內(nèi)部有軟起動電路,主要用在手持/電池供電設(shè)備的pOL電源,工廠和建筑物自動化,移動計算和網(wǎng)絡(luò)卡,固態(tài)驅(qū)動,數(shù)據(jù)終端和pOL.本文介紹了參考設(shè)計TIDA-01579主要特性和指標,框圖,電路圖,材料清單和pCB設(shè)計圖。


TheTpS6282xisanall-purposeandeasytousesynchronousstep-downDC-DCconverterwithaverylowquiescentcurrentofonly4μA.Itsuppliesupto3Aoutputcurrent(TpS62823)froma2.4Vto5.5Vinputvoltage.BasedontheDCS-Control?topologyitprovidesafasttransientresponse.


Theinternalreferenceallowstoregulatetheoutputvoltagedownto0.6Vwithahighfeedbackvoltageaccuracyof1%overthejuncTIontemperaturerangeof-40℃to125℃。The1,2,3Ascalablepin-to-pinandBOM-to-BOMcompaTIbledevicefamilycanbeusedwithsmall470nHinductors.


TheTpS6282xincludeanautomaticallyenteredpowersavemodetomaintainhighefficiencydowntoverylightloads.


ThedevicefeaturesapowerGoodsignalandaninternalsoftstartcircuit.Itisabletooperatein100%mode.Forfaultprotection,itincorporatesaHICCUpcurrentlimitaswellasathermalshutdown.


TheTpS6282xarepackagedina2x1.5mmQFN-8package.


參考設(shè)計TIDA-01579主要特性:


?DCS-Control?topology


?26/25mΩInternalpowerSwitches(TpS62823)


?Upto3AOutputCurrent(TpS62823)


?VeryLowQuiescentCurrentof4μA


?SwitchingFrequencyoftypically2.2MHz


?1%FeedbackVoltageAccuracy(fulltemp.range)


?Enable(EN)andpowerGood(pG)


?AdjustableOutputVoltagefrom0.6Vto4V


?100%Duty-CycleMode


?InternalSoft-StartCircuitry


?SeamlesspowerSaveModeTransition


?UndervoltageLockout


?ActiveOutputDischarge


?Cycle-by-CycleCurrentLimit


?HICCUpShort-Circuitprotection


?OverTemperatureprotection


?CreateaCustomDesignusingtheTpS62822withtheWEBENCH?powerDesigner


參考設(shè)計TIDA-01579應(yīng)用:


?pOLsupplyinportable/BatterypoweredDevices


?FactoryandBuildingAutomation


?MobileComputing,NetworkingCards


?SolidStateDrive


?DataTerminal,pointofSale


?Servers,projectors,printers




圖1.參考設(shè)計TIDA-01579框圖




圖2.TpS62822應(yīng)用電路:2.4V-5.5V2A電源


Thepoint-of-loadpower-treeonvideosurveillancesystemsisoptimizedwiththisreferencedesign.Thisreferencedesignhasahighperformanceonkeyparameterssuchasoutputvoltageaccuracy,voltageripple,andthermaldissipation.ThishighperformanceispossiblewithasmallboardareaandlowBOMcost.


Thedesignoperatesfroma5-Vsupplycommonlyfoundinvideodoorbells,Ipnetworkcameras,andwirelesscameras.


Videodoorbellsprovideasetoffeaturescommontomanytraditionalvideosurveillancedevices.Thisdistinguishingfeaturedemandsauniquepowerdesigntoensuretrouble-freeoperationfromtheubiquitous,butwidely-varying,ACdoorbellsupply.TofullyutilizeanACsourcethatpresentsasubstantialbottleneck,thepowerdesignshouldbeasefficientaspossible.ThisdesignusesTI’snewsynchronousbuckconvertersandLDOsprovidingacompleteandcustomizablesupplyoptimizedforvideodoorbells.


OurnewestconvertersinQFNandSOT-563packagesallowforasupplydesignthatrequiresminimalboardspaceandhasalowthermalimpact—bothofwhichareneededforsmallerformfactorelectronics.Forbettercompatibility,sequencingispossibleforallrails.


Ipnetworkcamerashaveincreasingimageresolution,processing,andilluminationrequirementswhilestillfittinginsmallenclosures.Aftersteppingdownfromamid-tohigh-voltageDCpowersourcesuchaspluginpowerorpoE,thesystemdemandspoint-of-loadconversionwithhighefficiencyandasmallfootprint.


Bothefficiencyandfootprintareimportanttoaccommodatesmallenclosureswith,typically,less-thanadequateventilation.Thisdesignisoptimizedforbothefficiencyandfootprintwhilealsoprovidingtheflexibilitytotailortomoreadvanced,power-demandingloads,suchasadedicatedimagerecognitionprocessoror4Kvideoprocessor.


Wirelessorbattery-poweredcamerasrequirehighefficiencyatbothfullloadsandlightloads.Thesecamerastypicallyemploymotiondetection,humaninterface,orwirelesscommunicationsmonitoring,oranycombinationofthethree,tominimizetimespentinpower-hungrystatesquiescentcurrentsandshutdowncurrentsofsubsystemsareveryimportantasthesestandbycurrentscanhavesignificantimpactonoverallbatterylife.TheTIDA-01579referencedesignhasbeenoptimizedforthisapplicationbyutilizingTI’slow-powerconvertersfeaturingbothlightloadefficiencyandshutdownwithlowIq.Convertershutdownandlow-Iqloadswitchescanbeusedtocutpowertosubsystemswithless-than-desirablestandbyconsumption—savingcostandextendingbatterylife.


參考設(shè)計TIDA-01579主要特性:


?1%Typicaloutputvoltageaccuracy


?Highsystemefficiencyto90%atfullload


?Voltageripple《60-μV,usefulfornoise-criticalperipherals


?Thermalhotspotis《45℃atfullloadcurrent


?SmallpCBrealestate


?LowBOMcost


參考設(shè)計TIDA-01579應(yīng)用:


?VideoDoorbell


?IpNetworkCamera


?Wirelesscamera


?ThermalImagingCamera


?AnalogSecurityCamera




圖3.參考設(shè)計TIDA-01579外形圖


參考設(shè)計TIDA-01579系統(tǒng)主要指標:






圖4.參考設(shè)計TIDA-01579框圖




圖5.參考設(shè)計TIDA-01579電路圖(1)




圖6.參考設(shè)計TIDA-01579電路圖(2)




圖7.參考設(shè)計TIDA-01579電路圖(3)


參考設(shè)計TIDA-01579材料清單:







圖8.參考設(shè)計TIDA-01579pCB設(shè)計圖(1)



圖9.參考設(shè)計TIDA-01579pCB設(shè)計圖(2)



圖10.參考設(shè)計TIDA-01579pCB設(shè)計圖(3)



圖11.參考設(shè)計TIDA-01579pCB設(shè)計圖(4)



圖12.參考設(shè)計TIDA-01579pCB設(shè)計圖(5)



圖13.參考設(shè)計TIDA-01579pCB設(shè)計圖(6)




圖14.參考設(shè)計TIDA-01579pCB設(shè)計圖(7)




圖15.參考設(shè)計TIDA-01579pCB設(shè)計圖(8)



鉅大鋰電,22年專注鋰電池定制

鉅大核心技術(shù)能力

主站蜘蛛池模板: 丁香六月婷婷综合激情动漫 | 九九热精品视频 | 精品四虎免费观看国产高清午夜 | h在线免费 | 久热这里只精品99国产6_99 | 国产一区二区福利久久 | 99热国产这里只有精品 | 欧美日日 | 欧美亚洲另类视频 | 亚洲欧美精品久久 | 69免费在线视频 | 国产精品午夜在线播放a | 韩国伦理片女老师 | 久久免费视频播放 | 天天色综合3 | 日本免费三级网站 | 九九福利影院 | 国产四级 | 国产成人精品一区二区三在线观看 | 男女爱视频免费高清在线观看 | 99免费观看视频 | 亚洲国产欧美在线观看 | 四虎国产精品成人永久免费影视 | 国产精品福利一区二区 | 韩国成人毛片aaa黄 韩国本免费一级毛片免费 韩国r天堂 | 欧美日本免费观看αv片 | 日本一区二区中文字幕 | 国产aa毛片 | 四虎影视免费永久在线观看 | 外国毛片在线观看 | 欧美日韩福利视频一区二区三区 | 不卡在线观看 | 日韩欧美亚洲每的更新在线 | 99精品视频99 | 亚洲网站免费观看 | 隔壁的老头无删减版在线观看 | porn国产| 日日干日日插 | 欧美亚洲天堂 | 女人18毛片a级毛片免费看一 | 妈妈的朋友伦理片在线观看 |