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Texas Instruments TPS232758 | Demoboard TPS232758EVM-080
IEEE 802.3at PoE PD with no-opto sync flyback DC-DC controller
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 37-57 V |
| Ausgang 1 | 5 V / 2.3 A |
Beschreibung
The TPS23758 device combines a Power over Ethernet (PoE) powered device (PD) interface, a 150-V switching power FET, and a current-mode DC-DC controller optimized for flyback topology. The high level of integration along with primary side regulation (PSR), spread spectrum frequency dithering (SSFD), and advanced startup makes the TPS23758 an ideal solution for size-constrained applications. The PoE implementation supports the IEEE 802.3at standard as a 13-W, Type 1 PD.
Eigenschaften
- IEEE802.3at Type 1 compliant PoE PD
- Class 0 5-V and 2.3-A primary side regulated CCM flyback
- Advanced startup
- Programmable slew rate and frequency dithering for EMI reduction
- Primary-side adapter priority control
Typische Anwendungen
- IP cameras, Access points, IP phones, Wireless LAN- wireless access points
- Point-of-sale, Barcode readers
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | λDom typ.(nm) | Emittierte Farbe | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chiptechnologie | 2θ50% typ.(°) | Vin | VOut1(V) | IOut1(A) | Vaux(V) | n | ISAT(A) | LS(nH) | VT(V (AC)) | Bauform | Pins | Farbe | Gender | Verpackung | Wicklungstyp | Wicklungsanzahl | L(µH) | Zmax(Ω) | IR(mA) | RDC max.(Ω) | VR(V) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 590 nm, Gelb | Downloads27 Dateien Strahldaten
| Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWL-SMCW SMT Mono-color Chip LED Waterclear | dominante Wellenlänge [typ.]590 nm | Emittierte FarbeGelb | Spitzen-Wellenlänge [typ.]595 nm | Lichtstärke [typ.]120 mcd | Durchlassspannung [typ.]2 V | ChiptechnologieAlInGaP | Abstrahlwinkel Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | Bauform0603 | – | – | – | VerpackungTape and Reel | – | – | – | – | – | – | – | |||
 | WE-SL2 Stromkompensierter SMT Line Filter, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-SL2 Stromkompensierter SMT Line Filter | – | – | – | – | – | – | – | – | – | – | – | – | – | Streuinduktivität90 nH | Prüfspannung500 V (AC) | – | Pins4 | – | – | – | Wicklungstypbifilar | Wicklungsanzahl2 | Induktivität1000 µH | Maximale Impedanz6000 Ω | Nennstrom800 mA | Gleichstromwiderstand0.207 Ω | Nennspannung80 V | ||||
 | WR-PHD Kurzschlussbrücken, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Kurzschlussbrücken | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins1 | FarbeSchwarz | GenderJumper | VerpackungBeutel | – | – | – | – | Nennstrom3000 mA | – | – | |||
 | WE-FLYTI MID-FLYTI Flyback Transformers for Texas Instruments, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | – | – | – | – | – | – | – | Input Voltage 36 - 57 V (DC) | Ausgangsspannung 15 V | Ausgangsstrom 12.4 A | Hilfsspannung10.5 V | Übersetzungsverhältnis6:1:1:2.25 | Sättigungsstrom1.5 A | Streuinduktivität1000 nH | Prüfspannung1500 V (AC) | BauformEPQ13 | – | – | – | – | – | – | Induktivität150 µH | – | – | – | – |