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Texas Instruments LMR38020-Q1 | Demoboard TIDA-020061
Automotive power over data lines PD reference design for 100/1000Base-T1 Ethernet applications
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 42-80 V |
| Ausgang 1 | 2 A |
| IC-Revision | FEBRUARY 2024 |
Beschreibung
This reference design implements a powered device (PD) to demonstrate Power over Data Lines (PoDL) in automotive applications. The design uses a DP83TG720S-Q1 1000MBit/s single-pair Ethernet (SPE) PHY with the option to switch to the DP83TC812S-Q1 SPE PHY for 100MBit/s operation. A coupling and decoupling network is used to split the data and power on the single-pair ethernet (SPE) cable.
Eigenschaften
- Capable of 1000Base-T1 automotive Ethernet
- Footprint compatible to our 100Base-T1 SPE PHY
- This design features the implementation of the powered device to be powered via the single-pair ethernet cable
- Automotive qualified filter network for power coupling and decoupling with reverse polarity protection
- Implementation of PoDL according to the automotive market requirements by reducing cost and complexity of the implementation
Typische Anwendungen
- ADAS
- Mechanincally scanning LIDAR
- Radar ECU
- Rear camera
- Long range Ragdar
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IR(A) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Montageart | Pins | Typ | L(mm) | H(mm) | Arbeitsspannung(V (AC)) | Betriebstemperatur | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PDA SMT-Speicherdrossel, 33 µH, 2.92 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PDA SMT-Speicherdrossel | Induktivität33 µH | Nennstrom2.92 A | Sättigungsstrom3 A | Gleichstromwiderstand95 mΩ | Eigenresonanzfrequenz8.4 MHz | MontageartSMT | – | – | Länge10 mm | Höhe5 mm | – | Betriebstemperatur -50 °C up to +150 °C | ||||
 | WR-PHD Stiftleisten - Einreihig, –, 3 A | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | – | Nennstrom3 A | – | – | – | MontageartTHT | Pins1 | TypGerade | Länge2.54 mm | – | Arbeitsspannung250 V (AC) | Betriebstemperatur -40 °C up to +105 °C |