Cart Integrated 100V Power Over Ethernet PD Interface and PWM Controller with Aux Support Status: ACTIVE
POEPHYTEREV-E
Description
This POEPHYTEREV-E board is a seamless design demonstrating TI's LM5072 PoE product (capable of 24W) and DP83848I (single port 10/100Mb/s) Ethernet PHYTER® product. While both the LM5072 and the DP83848 Ethernet PHY device have many advanced and enticing features, this specific board is designed to demonstrate a subset of those features, specifically Power over Ethernet. Two versions of this board are available. The - I version has a RJ-45 connector that with integrated Ethernet magnetics. The -E version has discrete RJ-45 connector and Ethernet magnetics. For detailed information about the complete functions and features of the LM5072 and DP83848 devices, refer to the relevant datasheets.
Features
Ethernet:
- RJ45 Jack with External Magnetics and series resistors
- DP83848I (drop-in compatible with DP83848C)
- 3 PHY Status LEDs
- Connections for the following interfaces:
- MII/RMII Interface (IEEE 802.3 defined connector)
- RJ-45 Cat-V Ethernet cable connector
- JTAG header
- 25MHz_OUT header
- Header for "ribbon cable" connection to MII/RMII - On-board clock - Crystal/Oscillator Dual Footprint
Power Over Ethernet:
- Isolated output voltage 3.3V
- Maximum output current: 7.3A
- Maximum output power: 24W
- Input voltage ranges:
- PoE input voltage range: 39 to 57V
- AUX input voltage range: 22 to 57V - Measured maximum efficiency
- DC to DC converter efficiency: 90% at 6A
- Overall efficiency (including the input diode bridge): 86% at 6A - Overall Board Size: 5.50" x 3.96" x 0.70"
- Switching frequency: 250 kHz
- Optional input common-mode filter
Applications:
High Power PD (PoE Terminology - Powered Device) applications in which the maximum power exceeds
the IEEE 802.3af's 12.95W limit)
