Yuav ua li cas siv diodes los txhim kho kev ua tau zoo ntawm cov roj teeb cov foob?
Tso lus
1, lub luag haujlwm yooj yim ntawm donges nyob rau hauv cov roj teeb foob
Anti Rov Qab Kev Tiv Thaiv Kev Tiv Thaiv
Thaum lub sijhawm them, thim rov qab ntawm lub zog ntawm lub zog yuav ua rau kev puas tsuaj rau sab hauv cov khoom siv hluav taws xob thiab txawm ua rau muaj kev nyab xeeb rau kev nyab xeeb. Lub Unidirectional conduction ntawm dodes ua rau lawv xaiv qhov zoo tshaj plaws rau kev tiv thaiv rov qab. Los ntawm kev sib txuas nrog Diode hauv koob nyob rau hauv lub tswv yim ntawm them cov hluav taws xob, thaum lub zog polarity yog qhov tseeb, tus diode ua thiab lub Circuit Cours ua haujlwm ib txwm; Thaum lub zog hluav taws xob tau thim rov qab, tsim cov teeb txiav tawm, tsim kev qhib Circuit Court los tiv thaiv qhov chaw tom ntej ntawm kev puas tsuaj.
Rectification thiab lim
Hauv kev tsim ntawm AC rau DC Chargers, Diode Choj Recreifier Circuit Court yog ib qho ntawm cov txheej txheem siv ntau tshaj plaws. Los ntawm kev siv tus choj cov qauv muaj xws li plaub diodes, AC fais fab tuaj yeem hloov mus rau hauv lub zog dC lub zog, uas yog tom qab ntawd tus smoothed dcators kom tau txais cov ntawv tso zis dC ruaj khov. Lub conduction voltage poob thiab rov qab lub sij hawm ntawm diodes ncaj qha cuam tshuam rau recification efficiency thiab kev ruaj ntseg ntawm cov zis hluav taws xob.
Rov Qab Tam Sim No
Tom qab lub roj teeb tau them siab tag nrho, yog tias tus charger tsis disconnect lub hwj chim siv raws sijhawm, cov teeb tsa tam sim no rau cov kev pov tseg thiab lub teeb roj teeb kom luv. Cov kev sib txuas sib txuas ntawm cov diode hauv qhov them nyiaj hauv lubrog tuaj yeem ua tau zoo rau kev hloov pauv rov qab, tiv thaiv cov roj teeb overcharging thiab lub zog poob.
2, cov tswv yim rau kev txhim kho cov roj teeb hluav taws xob siv dodeses
Txhim kho cov anti thim rov qab Kev Tiv Thaiv Kev Tiv Thaiv
Cov ntsiab lus tseem ceeb:
Tom ntej Voltage Poob: Xaiv cov diodes nrog txo cov voltage (xws li schottky diodes siv hluav taws xob thiab txhim kho kev them nyiaj ua ke.
Rov qab ntau tshaj plaws voltage: xyuas kom meej tias qhov kev thim rov qab ntau tshaj plaws ntawm cov nqi hluav taws xob ntawm lub zog hluav taws xob kom tsis txhob muaj kev puas tsuaj.
Daim Ntawv Ntim Ntim: Xaiv cov ntawv ntim ntim khoom uas tsim nyog (xws li Sot-23, ua-214AC, thiab lwm yam) raws li qhov chaw thiab cua sov dissipation yuav tsum muaj ntawm cov Circuit Courcuit Court.
Npaj Txhim Kho:
Kev tsim qauv zoo tshaj plaws: parallel ntau cov diodes nyob rau hauv qhov tseem ceeb circuees los txhim kho kev ua txhaum kev ua txhaum.
Ntse Ntse Paub Tias Yuav Tsum Tau Txais: Sib txuas nrog MCU lossis mob siab rau ua tiav kev nrhiav tsis siv neeg thiab tswb ua haujlwm ntawm lub zog polarity.
Txhim Kho Rectification thiab Lim Circuit Court
Cov ntsiab lus tseem ceeb:
Rov qab lub sijhawm: Xaiv ib Diode nrog lub sijhawm luv luv (xws li lub sijhawm luv rov qab Diode FRD) tuaj yeem txo rov qab rov qab sai thiab txo txoj kev poob qis.
Voltage withstand tus nqi: Xaiv cov txiaj ntsig tsim nyog wallst raws cov cai ntawm cov tswv yim voltage thiab cov zis voltage.
Cov yam ntxwv thermal: xav txog cov thermal tiv taus thiab cua sov dissipation muaj tseeb ntawm cov dide kom ntseeg tau tias muaj kev ua haujlwm nyob hauv ib puag ncig kub.
Npaj Txhim Kho:
Synchronous rectification thev naus laus zis thev naus laus zis: hauv siab- zaus hloov cov khoom siv hluav taws xob, siv Mosfonous Rectification muaj peev xwm txo qis kev tsav tsheb.
Ntau theem lim: Ntxiv mult - theem lim capactring capacitors thiab indecation tom qab cov zis voltage thiab txo cov ripple.
Txhim kho lub peev xwm los suppress rov qab tam sim no
Cov ntsiab lus tseem ceeb:
Thim rov qab tam sim no: Xaiv dodes nrog kev thim rov qab xau tam sim no tuaj yeem txo cov roj teeb tom qab nws tau them tag nrho.
Voltage wallst tus nqi: ua kom cov voltage wallstic tus nqi ntawm cov diode yog ntau dua li cov twj txiav {}} tawm ntawm lub roj teeb.
Npaj Txhim Kho:
Kev tswj ntse ntse: ua ke nrog kev tswj hwm roj teeb (BMS), nws txiav txim siab rau cov diode los ntawm kev raug thim rov qab rau lub sijhawm ntev.
Bidirectional Diode: Hauv qee cov ntawv teev tshwj xeeb, Bidirectional diodes yuav siv tau los ua tiav Bidirectional tam sim no supression thiab txhim kho cov hluav taws xob hauv lub voj voog.
Ntu Siv Tshuab Ceev Ceev
Lus Taw Qhia:
Hauv kev them nyiaj thev naus laus zis, diodes tuaj yeem siv hloov ntawm kev them ua ntej, tas li them nyiaj tas li, thiab txuas ntxiv mus rau theem ntawm lub roj teeb. Piv txwv li, hauv kev them nqi tas li, kho kho kom haum ntawm kev them nyiaj tam sim no yog ua tiav los ntawm kev tswj hwm cov conduction thiab txiav ntawm Diode.
Cov ntsiab lus tseem ceeb:
Hloov nrawm: Xaiv cov dodes nrog nrawm hloov nrawm (xws li ultrafast rov qab dodes) kom tau raws li cov kev xav tau ntawm kev them nyiaj ceev.
Thermal Stability: Xyuas kom cov diode tuaj yeem tswj tau cov hluav taws xob ruaj khov hauv qhov chaw kub.
Npaj Txhim Kho:
Digital tswj: ua ke cov teeb liab teeb liab (DSP) lossis microcontrollers (MCU) kom ua tiav cov kev tswj hwm tus nqi ntse.
Ntau cov channel tso zis: Ntau Diodes thiab hloov hlab yog siv los ua tiav cov multived mult {}}}}}}}} ntawm lub charger.
3, Kev Ntsuam Xyuas Cov Lus Thov Kev Ntsuam Xyuas
Lub smartphone Charger
Cov ntsiab lus tsim:
Anti rov qab Kev Tiv Thaiv Kev Txuas Sib Txuas: Txuas cov Diode hauv cov lus ntawm cov tswv yim xaus los ntawm kev thim rov qab los ntawm kev thim rov qab.
Rectification thiab lim: tus choj rectifier Circienier Circienier Resposed ntawm plaub lub nrawm dua dodes yog siv, sib xyaw nrog lub peev xwm loj electrolytic capacitor rau lim.
Sai them: ua ke nrog USB PD raws tu qauv, kev hloov kho kev hloov pauv ntawm kev them nyiaj tam sim no tau ua tiav los ntawm kev tswj digital.
Kev Txhim Kho:
Kev them nyiaj tau zoo: Los ntawm kev ua kom tau xaiv Diode thiab cov txheej txheem hluav taws xob, kev them nyiaj ua haujlwm tau nce mus rau 90%.
Kev Ruaj Ntseg: Cov kev tiv thaiv ntau cov tshuab ua kom muaj kev nyab xeeb thiab txhim khu cov txheej txheem them nqi.
Lub Tsheb Hluav Taws Xob Hluav Taws Xob
Cov ntsiab lus tsim:
Kev ntsuas hluav taws xob siab: siv siab {- voltage thiab siab tam sim no siab qhov kev xav tau ntawm kev xav tau hluav taws xob.
Rov qab los ntawm tam sim no: Ntau dua - voltage dodes tau txuas nrog kev them nyiaj rau kev tiv thaiv kev tshaj tawm thiab lub zog poob ntawm lub roj teeb.
Kev tswj ntse ntse: sib txuas ntawm BMS thiab them cov chaw nres tsheb tswj system kom ua tiav cov chaw taws teeb saib xyuas thiab muaj tswv yim npaj ntawm cov txheej txheem them.
Kev Txhim Kho:
Kev them nyiaj ceev: los ntawm kev ua kom zoo lub diode thiab tswj lub sijhawm, lub sijhawm them nyiaj tau raug txo rau 60% ntawm thawj.
Roj teeb Lub neej: Qhov tseeb them tswj tau zoo txuas lub roj teeb lub neej.
Portable Lub Zog Khoom Siv Khoom Siv Hluav Taws Xob
Cov ntsiab lus tsim:
Qhov Ridirectional: Siv Bidirectional diodes hloov roj teeb them thiab tawm, txhim kho cov cuab yeej siv siv.
Tsawg lub hwj chim tsim qauv: xaiv dodes nrog qis tshaj tawm cov hluav taws xob nqis los txo kev siv hluav taws xob.
Ntau cov zis ua haujlwm: ua ke ua ke DC - dc convers kom ua tiav ntau voltage thiab cov zis tam sim no.
Kev Txhim Kho:
Portility: Kev hloov pauv hloov hluav taws xob thiab kev hloov pauv hluav taws xob ua kom cov khoom siv ntau dua kev hnyav thiab portable.
Kev sib xyaw: muaj cov zis ntau yam cuam tshuam ua tau raws li kev xav tau kev pab sib txawv ntawm cov khoom siv sib txawv.
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