Umboneleli weSekethe eDityanisiweyo yoMbane oMtsha kunye neNqanaba kwiNkonzo yeBom yesitokhwe TPS22965TDSGRQ1
Iimpawu zeMveliso
| UHLOBO | INKCAZO |
| Udidi | IiSekethe eziDityanisiweyo (ICs) |
| Mfr | Texas Instruments |
| Uthotho | Iimoto, AEC-Q100 |
| Iphakheji | Iteyiphu & neReel (TR) Sika iTape (CT) Digi-Reel® |
| SPQ | 3000 T&R |
| Ubume beMveliso | Iyasebenza |
| Tshintsha Uhlobo | Iinjongo jikelele |
| Inani leZiphumo | 1 |
| Umlinganiselo - Igalelo:Imveliso | 1:1 |
| Uqwalaselo Lwemveliso | Icala Eliphakamileyo |
| Uhlobo Lwemveliso | N-Channel |
| Ujongano | Layita icima |
| Voltage - Umthwalo | 2.5V ~ 5.5V |
| Voltage - Ubonelelo (Vcc/Vdd) | 0.8V ~ 5.5V |
| Okwangoku-Isiphumo (Ubukhulu) | 4A |
| Rds On (Uhlobo) | 16mOhm |
| Uhlobo Longeniso | Ukungaguquli |
| Iimbonakalo | Ukukhutshwa komthwalo, isantya sokubulawa silawulwa |
| Ukhuseleko lweempazamo | - |
| Ubushushu bokusebenza | -40°C ~ 105°C (TA) |
| Uhlobo lokuNqamisa | INtaba engaphezulu |
| Supplier Device Package | 8-WSON (2x2) |
| Ipakethe / Ityala | I-8-WFDFN eveziweyo yePad |
| Inombolo yeMveliso esisiseko | TPS22965 |
Ukutshintsha komthwalo kukugcina indawo, ukutshintshwa kwamandla adibeneyo.Olu tshintsho lunokusetyenziselwa 'ukuqhawula' uqhagamshelwano olusezantsi lwenkqubo (xa lukwimo yokulinda) okanye kulawulo lwendawo yokulayisha ukwenza lula ulandelelwano lwamandla.Ukutshintsha komthwalo kwenziwa xa ii-smartphones zithandwa;njengoko iifowuni zongeza ukusebenza okungakumbi, zifuna iibhodi zesekethe ezixineneyo eziphezulu kwaye indawo yanqongophala.Ukutshintsha komthwalo odibeneyo kusombulula le ngxaki: ukubuyisela indawo yebhodi kumyili ngelixa udibanisa ukusebenza okungakumbi.
Ziziphi iingenelo zokutshintsha komthwalo odibeneyo xa kuthelekiswa nesekethe edibeneyo?
Isisombululo esiqhelekileyo esicacileyo siquka i-P-channel oxide oxide semiconductor field effect transistor (MOSFET), i-N-channel MOSFET, kunye ne-resistor yokudonsa.Ngelixa esi sisisombululo esiqinisekisiweyo sokutshintsha iileyili zamandla, sinonyawo olukhulu.Izisombululo ezininzi ezihlangeneyo ngoku zikhoyo, ezifana nokutshintsha komthwalo njenge-Texas Instruments TPS22915 - banonyawo olungaphantsi kwe-1mm2!Umzobo we-2 ubonisa uthelekiso lokuphunyezwa komthengi omnye kunye nesi sisombululo se-TI, esenza ukuba i-TPS22968 inciphise i-footprint yayo ngaphezu kwe-80% ngelixa idibanisa iimpawu ezininzi ezifana nezinga lokuguqula okulawulwayo kunye nokukhutshwa ngokukhawuleza kwemveliso.
Kutheni ndifuna ireyithi elawulwayo yokubulala?
Zonke iiswitshi zomthwalo we-TI zinezinga lokujingi elilawulwayo lokunciphisa i-inrush yangoku, eyaziwa ngokuba 'ngumsebenzi wokuqalisa othambileyo.Ngokucotha ukunyusa izinga lokutshaja kwee-capacitors zayo eziphumayo, ukutshintshelwa komthwalo kuthintela i-voltage yonikezelo "ukuhla" ngenxa yokutshaja ngokukhawuleza kwee-capacitors zomthwalo.Ngolwazi oluthe kratya malunga nokunciphisa i-inrush yangoku, nceda ufunde inqaku lesicelo: "Ukulawula i-Inrush yangoku".
Yintoni uKhupho oluKhawulezayo?
Umsebenzi wokukhutshwa okukhawulezayo, okhoyo kuninzi lokutshintsha komthwalo, uqinisekisa ukuba umthwalo ovaliweyo okanye okhubazekileyo awudadadi.Njengoko kubonisiwe kuMzobo 3 apha ngasentla, igalelo elithi 'on' eliphantsi licima into yetshaneli kwaye lilayite i-discharge field effect transistor (FET) nge-inverter.Oku kudala indlela esuka kwi-VOUT ukuya kwi-GND, iqinisekisa ukuba umthwalo unokubuyiselwa ngokukhawuleza kwindawo eyaziwayo ye-0V 'off'.
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