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Texas Instruments TPS2373-4RGWR | Demoboard PMP21103
Class 5 PoE PD (12 V/2.5 A) supply reference design with smooth transition to auxiliary
Details
| Topologie | Sonstige Topologie |
| Eingangsspannung | 42.5-57 V |
| Ausgang 1 | 12 V / 2.5 A |
| IC-Revision | B |
Beschreibung
This reference design implements an IEEE802.3bt compliant Class 5 Power over Ethernet (PoE) Powered Device (PD) with smooth transition between the PoE input and an auxiliary supply connected to the output. The design consists of a 12-V/2.5-A active clamp forward converter utilizing the UCC2897A controller and allows one PoE Power Source Equipment (PSE) supply and one AC/DC wall adapter auxiliary supply to be used in order to decrease the probability of power and data loss in your system. An IEEE802.3bt compliant TPS2373-4 high power PD controller is utilized to control all PoE functions.
Eigenschaften
- Smooth transition when switching between PoE input and 12-V adapter on output
- 89% efficiency with 12-V/2.5-A output and PoE input (FET OR-ing)
- Diode OR-ing option for lower cost
Typische Anwendungen
- Outdoor backhaul unit, Small cell base station, WLAN/Wi-Fi access point
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | C | Tol. C | Bauform | DF (%) | RISO | Keramiktyp | L (mm) | W (mm) | H (mm) | Fl (mm) | Verpackung | Wicklungstyp | Wicklungsanzahl | L1 (µH) | Zmax (Ω) | IR 1 (mA) | RDC1 max. (Ω) | VR (V (DC)) | Z (Ω) | Datenrate | Ports | PoE | Improved CMRR | Betriebstemperatur | VT (V (AC)) | Montageart | L (µH) | LSmin. (nH) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012209028 | SPEC | 8 Dateien | WCAP-CSGP MLCCs 25 V(DC) | 10 µF | ±10% | 1210 | 5 | 0.01 GΩ | X7R Klasse II | 3.2 | 2.5 | 2 | 0.3 | 7" Tape & Reel | – | – | – | – | – | – | 25 | – | – | – | – | – | -55 °C up to +125 °C | – | – | – | – | ||
 | 744272251 | SPEC | 8 Dateien | WE-SL5 Stromkompensierter SMT Line Filter | – | – | – | – | – | – | 10 | 8.7 | 6.5 | – | – | sectional | 2 | 250 | 970 | 2000 | 0.035 | 80 | – | – | – | – | – | – | 1000 | SMT | 250 | 1500 | ||
 | 744273801 | SPEC | 8 Dateien | WE-SL5 HC Stromkompensierter SMT Line Filter | – | – | – | – | – | – | 9.5 | 8.3 | 5 | – | – | sectional | 2 | 9 | – | 3500 | 0.011 | 80 | 800 | – | – | – | – | -40 °C up to +125 °C | 500 | SMT | 9 | 970 | ||
 | 7490220122 | SPEC Anstehende PCNAufgrund einer anstehenden PCN wird sich in Kürze das Datenblatt des ausgewählten Produktes ändern. Anbei finden Sie das neue Datenblatt, sowie das noch gültige Datenblatt. Bei weiteren Fragen wenden Sie sich bitte an Ihren Vertriebsmitarbeiter. | 8 Dateien | WE-LAN LAN Übertrager | – | – | – | – | – | – | 18.04 | 14.7 | 9.05 | 13.97 | – | – | – | 350 | – | – | – | – | – | 1000BASE-T | 1 | 4PPoE (bis zu 1000 mA) | Nein | -40 °C up to +105 °C | 1500 | SMT | 350 | – |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 885012209028 | SPEC | |
| 744272251 | SPEC | |
| 744273801 | SPEC | |
| 7490220122 | SPEC Anstehende PCNAufgrund einer anstehenden PCN wird sich in Kürze das Datenblatt des ausgewählten Produktes ändern. Anbei finden Sie das neue Datenblatt, sowie das noch gültige Datenblatt. Bei weiteren Fragen wenden Sie sich bitte an Ihren Vertriebsmitarbeiter. |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | C | Tol. C | Bauform | DF (%) | RISO | Keramiktyp | L (mm) | W (mm) | H (mm) | Fl (mm) | Verpackung | Wicklungstyp | Wicklungsanzahl | L1 (µH) | Zmax (Ω) | IR 1 (mA) | RDC1 max. (Ω) | VR (V (DC)) | Z (Ω) | Datenrate | Ports | PoE | Improved CMRR | Betriebstemperatur | VT (V (AC)) | Montageart | L (µH) | LSmin. (nH) | Muster |
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