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Texas Instruments LM5158Q | Demoboard TIDA-020060
Automotive power over data lines PD reference design for 100/1000Base-T1 Ethernet applications
Overview
| Topology | Buck Converter |
| Input voltage | 15-60 V |
| Output 1 | 83 V |
Description
This reference design demonstrates an implementation of Power over Data Lines (PoDL) for automotive use cases. 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 couple in a maximum power of 50W.
Features
- Capable of 1000Base-T1 automotive Ethernet
- Footprint compatible to our 100Base-T1 SPE PHY
- Power sourcing equipment to supply up to 50W power via SPE cable
- Automotive qualified filter network for power coupling and decoupling
- Protection of the powered device with a high-side switch
- Implementation of PoDL according to the automotive market requirements by reducing cost and complexity of the implementation
Typical applications
- Radar ECU, Long range Ragdar, ADAS, Mechanincally scanning LIDAR, Rear camera
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | IRP,40K(A) | Mount | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | Pins | Type | IR(A) | Working Voltage(V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MAIA SMT Power Inductor, 10 µH, 3.25 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAIA SMT Power Inductor | Inductance10 µH | Saturation Current @ 10%3.25 A | Saturation Current @ 30%6.6 A | DC Resistance70.2 mΩ | Self Resonant Frequency13 MHz | Performance Rated Current4.3 A | MountSMT | – | – | – | Size5030 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length5.4 mm | Width5.4 mm | Height3.1 mm | – | – | – | – | – | – | ||||
| WCAP-CSGP MLCCs 16 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | – | – | – | – | – | – | – | Capacitance1 nF | Capacitance±10% | Rated Voltage16 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | |||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | MountTHT | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length2.54 mm | – | – | – | PackagingBag | Pins1 | TypeStraight | Rated Current3 A | Working Voltage250 V (AC) |