Power

Speed time-to-market and simplify design with our high-performance,
optimized power solutions.

Powering the Future of Power over Ethernet (PoE)

Explore the latest IEEE PoE standard and how our new PoE devices simplify adding PoE to any Ethernet connected device.

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Understanding the IEEE 802.3bt PoE Standard

Confused by PoE technology? In this whitepaper we demistify PoE technology and review the key features behind the new 802.3bt standard that supports 90 W of power. 

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  Powered Devices PSE Controllers
IEEE Standard 802.3af, 802.3at, 802.3bt 802.3af, 802.3at, 802.3bt
Maximum Power Output 15 W class 1-3
30 W class 4
90 W class 5-8
15 W class 1-3
30 W class 4
90 W class 5-8
DC DC Converter Integrated dc dc controller Integrated dc dc controller
Internal/External FETs Internal or External External
Smallest Package Size 4x4 mm QFN 5x7 mm QFN
EVBs
  • Buck
  • Flyback
  • Isolated Flyback
  • Mid-Span
  • End-Span
Featured Product Class 8 90 W Devices Single Port PSE
  Power Management
Coulomb Counting Yes
Lowest Quiescent Current  150
Output Voltage 1.7 - 5.2 V
Output Voltage Rails 3
Vdd Range 0.8 - 5.5 V
Temp Range -40 to 85 ºC
Package 3x3 QFN20
Featured Product EFP01 Power Management IC
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