TPS53319DQPR 1.5-V ukuya 22-V, 14-A synchronous buck converter kunye eco-mode
TPS53319DQPR 1.5-V ukuya 22-V, 14-A synchronous buck converter kunye eco-mode
Iimpawu eziphambili zeTPS53319
Uluhlu lwegalelo lokuguqula: 1.5 V ukuya kwi-22 V
Uluhlu lwegalelo le-VDD: 4.5 V ukuya kwi-25 V
Ukusebenza kwe-91% ukusuka kwi-12 V ukuya kwi-1.5 V kwi-14 A
Uluhlu lwamandla ombane: 0.6 V ukuya ku-5.5 V
Imveliso ye-5-V LDO
Ixhasa igalelo likaloliwe omnye
I-MOSFETs yamandla adibeneyo kunye ne-8 A (TPS53318) okanye i-14 A (TPS53319) yemveliso eqhubekayo yangoku
I-Auto-skip Eco-mode™ ukuze ulayishe ukukhanya
< 110 µA cima umsinga
Imowudi ye-D-CAP™ enempendulo yexeshana ekhawulezayo
Ukutshintshela rhoqo okukhethiweyo ukusuka kwi-250 kHz ukuya kwi-1 MHz kunye ne-resistor yangaphandle
Ukutsiba okuzenzekelayo okukhethiweyo okanye ukusebenza kwe-PWM kuphela
Eyakhelwe kwi-1% ye-0.6-V reference
0.7-ms, 1.4-ms, 2.8-ms kunye ne-5.6-ms ekhethiweyo yangaphakathi yombane we-servo isiqalo esithambileyo
Iswitshi yokunyusa edibeneyo
Ikhono lokuqalisa elihlawulwe ngaphambili
Adjustable overcurrent umda kunye nembuyekezo thermal
Ukugqithiswa kwe-overvoltage, i-undervoltage, i-UVLO kunye nokukhusela ubushushu obungaphezulu
Ixhasa zonke i-ceramic output capacitors
Open-drain amandla isalathisi esihle
Ibandakanya iTekhnoloji yebhlokhi yamandla ye-NexFET™
Iphakheji ye-22 ye-QFN (DQP) ene-PowerPAD™
Inkcazelo ye-TPS53319
Izixhobo ze-TPS53318 kunye ne-TPS53319 ziyimodi ye-D-CAP, i-8-A okanye i-14-A i-synchronous switchers kunye ne-MOSFET edibeneyo.Ziyilelwe ukusetyenziswa lula, ukubalwa kwecandelo langaphandle eliphantsi, kunye neenkqubo zamandla ezithatha indawo.
Ezi zixhobo zibonisa i-1% echanekileyo, i-0.6-V reference, kunye ne-integrated boost switch.Isampulu yeempawu ezikhuphisanayo ziquka: I-1.5-V ukuya kwi-22-V yoguqulo olubanzi loluhlu lwamandla ombane, ukubalwa kwecandelo langaphandle eliphantsi kakhulu, imowudi ye-D-CAP™ yolawulo olukhawuleza kakhulu oludlulayo, ukusebenza kwemowudi yokutsiba ngokuzenzekelayo, ulawulo lwangaphakathi oluthambileyo, olukhethiweyo. rhoqo, kwaye akukho mfuneko yembuyekezo.
I-voltage ye-conversion yokuguqula i-voltage ukusuka kwi-1.5 V ukuya kwi-22 V, i-voltage ye-voltage yokubonelela isuka kwi-4.5 V ukuya kwi-25 V, kwaye i-voltage ye-output range isuka kwi-0.6 V ukuya kwi-5.5 V.
Ezi zixhobo zifumaneka kwi-5 mm x 6 mm, i-package ye-22-pin ye-QFN kwaye ichazwe ukusuka -40 ° C ukuya kwi-85 ° C.
1. Ngoobani abasebenzi kwisebe lakho le-R & D?Ziziphi iziqinisekiso zakho?
-R & D UMlawuli: yenza isicwangciso sexesha elide seR & D senkampani kwaye ubambe isikhokelo sophando kunye nophuhliso;Ukukhokela kunye nokulawula isebe le-r&d ukuphumeza isicwangciso se-r&d yenkampani kunye nesicwangciso sonyaka se-R&D;Lawula inkqubela phambili yophuhliso lwemveliso kwaye uhlengahlengise isicwangciso;Misela uphando lwemveliso egqwesileyo kunye neqela lophuhliso, uphicotho kunye noqeqesho olunxulumene nabasebenzi bobugcisa.
Umphathi we-R & D: yenza imveliso entsha ye-R & D isicwangciso kwaye ubonise ukwenzeka kwesicwangciso;Ukongamela kwaye ulawule inkqubela kunye nomgangatho womsebenzi we-r&d;Phanda ngophuhliso lwemveliso entsha kwaye ucebise izisombululo ezisebenzayo ngokweemfuno zabathengi kwiinkalo ezahlukeneyo
Abasebenzi be-R&d: ukuqokelela kunye nokusombulula iinkcukacha eziphambili;inkqubo yeKhompyutha;Ukuqhuba iimvavanyo, iimvavanyo kunye nohlalutyo;Lungisa izixhobo kunye nezixhobo zovavanyo, iimvavanyo kunye nohlalutyo;Ukurekhoda idatha yokulinganisa, yenza izibalo kwaye ulungiselele iitshathi;Yenza uphando lwamanani
2. Yintoni uphando lwakho lwemveliso kunye nombono wophuhliso?
-Umbono wemveliso kunye nokukhethwa kwemveliso kunye novavanyo lwenkcazo yemveliso kunye noyilo lwesicwangciso seprojekthi kunye novavanyo lwemveliso kunye nokuqinisekiswa kokuqaliswa kwintengiso
