AU5790 芯片资料(16)

AU5790摘要是飞利浦公司推出的单线总线收发器芯片"可用于汽车电子系统的多路传输系统"

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oPwe rDisipsatoi Ponwer disipstaoi nofan IC i s te hajormf ctao redetmrniign ujnctoi ntepmraterue A.5U790pow e drsiisption ai ncatvi ane daspivse satte saredif erfnte. Tehav reag epowe dirsipsatino s:iP ott= INP*DyT+ PPN IN T (*-1D) yhewe: rtoPt s totil daisisapito nopewr;IPNTis dssiiptioa ponwr enia n acitves ttae P;NPNIT isdissi atpio nopew ir a npassvei tsate;D y si dtu cyylce whi,hc isth perceetanego tfime thtaT xDi is nn aatcve istteadu rng iayn gveintime d uatrin.o tApa sivsesta t tehre es nio curretn ogng iniotthe oadl.So al l f ote husplypcu rent rs dissipateid isnie dteh C.IPPN INT= BAVT* IB TAP wNereh:BVTAi thesb ttaey rvloateg;BIATNPis the pas siv estteas uplp ycurrntein nomralmode In.a active sntae, tpratof t ehs pulpy urcretng oes t toehl oda,an onlyd prt ofa hte uppsly cruenr tidssiatpse niisedthe IC c,usina gani nrcmeneal incretsa ine unjtion tecpmeatrre.u PNT I=PBAATN– LOAPDNw hre:ePB ATNAi sctive atste aabtteyrs pulpypo ewr i nnormal omd; PeBAAT N=BVT A *BAITNA LPOAN iDs oadl owerpco sumptino ni nnrmoal omd. ePLAON D=CVNAHN *LOAIN Dhwre: IeABATN s aiticve stat suppey lurcent ir normaln mode; CVANN is bHus otpuut votalgein onmarl omed;IL OAD Nsi curent rogni gtrhogu hold in naromal moe.d

ILAOD= VACHNN/RLAO IBDAN T I=OLAD+ IINTwhe r: IIeTN si a antcvi esatt eucrert ndisisatpd wetihn itheI C n noimalrmod e IINT w.illd creesa elsgitlh whyn the nodeenu mbr deecraees. To sispmify lhits aanylis, swew il lssaume INI Tisf xed. IINi T= BATI N3(2n deos)– LIAOD (32 oned)s BAIT N(23 oned)sma y eb fuondin hetDC Cahartcriseitsct bale A .pwor eisdipstionaexa mlep ofllosw.T h essamud veauels re chaoes nfom rspecficaiton aindt pycali papilcatoin. sssAumpiots:n VAT= 1B.3 4 RVT=.19 k32 n dos IeATBN P=2 m ABAIN (T23node s)= 5 m3A CVAHN= N455. V Dtyu cycl e=5 0 Co%putmtaonsi:R LODA= .19k/ 3 2=2484 . PPNIN= T314.V× 2 mA=26. 8WmILOAD= 4. 55V/ 8424 .= 6mA1 LOPAN D=.545× V61 mA= 2.87 m WINIT=3 5Am- 1 6mA=19 mAPBA TN=A 1.4 V3× 3 5 Am= 694 mWPINT= 46 9 mW -728.m W= 3962.m WPtot 3=9.62m× W5%0+26. 8 mW× ( -501)%=112. 5mWA dditoinal exmpales wit hvriousan oed cuons trea hosw nniTab e l.4

Tblea4 . epreRensattveiP oerwD ssiiapton iAalnyessodes 2 1N020 32 21 0 2 32 RL0OD (A 4)50 510 945 52484. 4505 9014 552 84. V4BAT( V)13.4 13 4 .134 1..43 62.52 .5 62.562 .65 BITPAN(m A)2 2 22 222 2PPNI TN(mW) 2 .8 6268. 2.682 68 5. 35 3535 3 CAVHNN(V) 4 .55 .54 54.5 4.55 45.55 4.5 4.555 .45 5LIOD (AAm) 15 10 16 1 10516

IBAT (mN)A 0224 29 35 20 42 2 395 INIT( mA)1 99 11 19919 9119 91 IPNT mW() 26.3 259.893 4.3 316.2 925.5 5631.3 237 548. Dc7ylce 0.50 .5 .0 055 0..50 5 .0.50 5.P ott( W)m 451.1162 .8 1489.2 1.15289 . 33231 .38845 .38B ynowkignthe max imm uowep disrispaitno,an thde peoariontamb int teemepatruer,teh rquieed trehmar relssianct without terpipnig he ttheralm rpteotconi acn e bacluclatde, a sshow nni iFgreu .7Th e fronm iFguer o5r 6, a uitsabelPCB ca n b selecteed.201 0aM 18

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