Ea mantlha TPS23861PWR Switch TSSOP-28 Sport Integrated Circuit Chip IC Electronic Components

tlhaloso e khuts'oane:

TPS23861 ke tharollo e bonolo ho e sebelisa, e tenyetsehang, IEEE802.3at PSE.Ha e romelloa, e khona ho laola likou tse 'ne tsa 802.3at ntle le tlhoko ea taolo efe kapa efe ea kantle.
TPS23861 e iphumanela Powered Devices (PDs) e nang le signature e nepahetseng, e khetha litlhoko tsa matla ho latela likarolo mme e sebelisa matla.Sehlopha sa liketsahalo tse peli se tšehetsoa bakeng sa mofuta oa 2 PDs.TPS23861 e ts'ehetsa ho khaoha ha DC mme moralo oa kantle oa FET o lumella baqapi ho leka-lekanya boholo, katleho le litlhoko tsa litšenyehelo tsa tharollo.

Re romelle lengolo-tsoibila Khoasolla Datesheet

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Setsi sa motlakase se ka hare se lumella ho sebetsa ka terene e le 'ngoe.Lintlafatso li entsoe ho HRPWM ho lumella taolo ea mahlakore a mabeli (ho feto-fetoha ha maqhubu).Libapiso tsa analoge tse nang le litšupiso tsa kahare tsa 10-bit li kentsoe mme li ka tsamaisoa ka kotloloho ho laola liphetho tsa PWM.ADC e fetolela ho tloha ho 0 ho ea ho 3.3-V e tsitsitseng ea tekanyo e feletseng 'me e tšehetsa litšupiso tsa karo-karolelano ea VREFHI/VREFLO.Khokahano ea ADC e ntlafalitsoe bakeng sa maemo a tlase le latency.

Litšobotsi tsa Sehlahisoa

MOFUTA	TLHALOSO
Sehlopha	Lipotoloho tse Kopantsoeng (ICs) PMIC - Power Over Ethernet (PoE) Controllers
Mfr	Lisebelisoa tsa Texas
Letoto	-
Sephutheloana	Theipi le Reel (TR) Seha Tape (CT) Digi-Reel®
Boemo ba Karolo	E sebetsa
Mofuta	Molaoli (PSE)
Palo ea Likanale	4
Matla - Max	25.5 W
Liphetoho tsa ka hare	No
Thuso ea Kutlo	No
Litekanyetso	802.3at (PoE+), 802.3af (PoE)
Voltage - Phepelo	44V ~ 57V
Hajoale - Phepelo	3.5mA
Mocheso oa ho sebetsa	-40°C ~ 85°C
Mofuta oa ho Beha	Thaba e kaholimo
Sephutheloana / Taba	28-TSSOP (0.173", 4.40mm Bophara)
Sephutheloana sa Sesebelisoa sa Bafani	28-TSSOP
Nomoro ea Sehlahisoa sa Motheo	TPS23861

PoE & PSE

PoE e boetse e tsejoa e le Power over Ethernet (PoL, Power over LAN) kapa Active Ethernet, kapa ka linako tse ling e le Power over Ethernet.
Likopo tse tloaelehileng tsa PoE li kenyelletsa tlhahlobo ea ts'ireletso, IP telephony, le libaka tsa phihlello tse se nang mohala (WAPs).Moamoheli kapa sesebelisoa sa bohareng ba span se sebelisetsoang ho fana ka matla ke sesebelisoa sa phepelo ea matla (PSE) .Mojaro o hokahaneng le sehokelo sa Ethernet ke sesebelisoa sa phepelo ea matla (PD).
Protocol ea PoE bakeng sa ho laola matla a mojaro pakeng tsa PSE le PD e hlalosoa ke IEEE 802.3bt e tloaelehileng.Transformer e ea hlokahala boema-kepeng ba Ethernet, bohareng, le libakeng tsa hub ho tlisa data ho thapo.Ntle le moo, motlakase oa DC o ka sebelisoa pompong e bohareng ea transformer ntle le ho ama lets'oao la data.Joalo ka mohala ofe kapa ofe oa phetisetso ea matla, theknoloji ena e sebelisa matla a batlang a le holimo (hoo e batlang e le 50V) ho boloka motlakase o le tlase le ho fokotsa phello ea ho theoha ha motlakase oa IR moleng, ka hona ho boloka phepelo ea matla ho mojaro.PoE e tloaelehileng ea li-wire 2 e fana ka hoo e ka bang 13W ho li-PD tsa Sehlopha sa 1 le tse ka bang 25.5W ho li-PD tsa Sehlopha sa 2, athe PoE e tloaelehileng ea terata e 4 e tla khona ho fana ka hoo e ka bang 51W ho PDs ea Sehlopha sa 3 le hoo e ka bang 71W ho PDs ea Sehlopha sa 4.

Litekanyetso

Litekanyetso tse tharo tsa phepelo ea motlakase ea PoE
1. EEE802.3af Mekhahlelo ea mantlha ea phepelo ea motlakase.
Matla a DC a pakeng tsa 44 le 57V, boleng bo tloaelehileng ke 48V.tloaelo ea hona joale ea ts'ebetso ke 10 ho 350mA, matla a tloaelehileng a tlhahiso: 15.4W.Hajoale ho bona hore ho na le boima bo feteletseng ho tloha ho 350 ho isa ho 500mA.tlas'a maemo a se nang mojaro, boholo bo hlokahalang hajoale ke 5mA.Mekhahlelo e mene ea likopo tsa matla a motlakase ho tloha ho 3.84 ho isa ho 12.95W li fanoa bakeng sa lisebelisoa tsa PD.
IEEE802.3af likarolo tsa likarolo.
Lisebelisoa tsa Class0 li hloka matla a holimo a ho sebetsa a 0 ho isa ho 12.95W.
Lisebelisoa tsa Class1 li hloka matla a holimo a ho sebetsa a 0 ho isa ho 3.84W.
Lisebelisoa tsa Class2 li hloka matla a ho sebetsa lipakeng tsa 3.85W le 6.49W.
Lisebelisoa tsa Class3 li hloka sebaka sa matla sa 6.5 ho isa ho 12.95W.
2. IEEE802.3at (PoE +) Mekhoa e meholo ea phepelo ea matla.
Matla a DC a pakeng tsa 50 le 57V, boleng bo tloaelehileng ke 50V.Mokhoa o tloaelehileng oa ho sebetsa hona joale ke 10 ho 600mA, matla a tloaelehileng a tsoang: ke 30W.sesebediswa se tsamaisoang ke PD se tšehetsa sehlopha sa Class4.

IEEE802.3bt (PoE++)

Tlhaloso ea 802.3bt e hlahisa likarolo tse 'nè tse ncha tsa matla a phahameng a PD (Sehlopha), e leng se tlisang palo eohle ea lihlopha tsa likarolo tse le' ngoe ho tse robong.Sehlopha sa 5 ho isa ho sa 8 se secha ho maemo a PoE mme se fetolela ho maemo a matla a PD a 40.0W ho isa ho 71W.

802.3bt e ka morao e tsamaisana le 802.3at le 802.3af.Matla a tlaase a 802.3at kapa 802.3af PD a ka kopanngoa le matla a phahameng a 802.3bt PSE ntle le mathata.'Me ha matla a phahameng a 802.3bt PD a hokahane le matla a tlase a 802.3at kapa 802.3af PSE, li-PD li hloka feela ho khona ho sebetsa libakeng tsa bona tse tlase tsa matla, tse bitsoang "degradation".

E fetileng: TMS320F28069PZPS Theko e Ntle IC Chip Original Electronic Components

E 'ngoe: Oignal TPS54360BDDAR Intergrated Circuit Ic Chip

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