Power Over Ethernet
Quickly design efficient, EMI compliant Power over Ethernet systems with our integrated PD and PSE devices.
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.
Power Over Ethernet PD and PSE Solutions
Review how Silicon Labs' new 802.3bt portfolio simplifies 90 W PoE with industry leading power sourcing equipment (PSEs) and powered devices (PDs).
| 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 |
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| 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 |
Power Over Ethernet Powered Devices
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PowerUp to Class 4 30 W
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FETsInternal or External
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Package Size4x4 mm
Our family of PoE Powered Devices integrate an IEEE compliant PoE interface and a high-efficiency dc-dc converter to simplify design, reduce bill of materials and speed time-to-market for a wide range of industrial and communications applications. The PoE PD EVB portfolio includes non-isolated and isolated converter designs with a wide range of power output options. All EVBs include detailed performance measurements, schematics and PCB layout in the detailed User Guide.
Applications:
- Security Cameras
- Wireless Access Points
- IP Phones
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Power Over Ethernet PSE Controllers
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PowerUp to Class 8 90 W
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FETsExternal
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Package Size5x7 mm
Our family of IEEE-compliant PoE PSE Controllers include single and multi-port devices. Single port PSE devices simplify the design of products such as PoE injectors, conference phones, and single-port mid-spans. Multi-port PSE devices add PoE to Ethernet switches, security recording devices, industrial Ethernet switches and other multi-port systems. These devices include an autonomous and hosted operating mode with a rich interface for efficient power management.
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Power Management IC (PMIC)
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Input Voltage Range0.8 to 5.5 V
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Queiscent Current150 nA
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Package Size3x3 mm
The EFP01 Energy Friendly Power Management IC (PMIC) is an extremely flexible, highly efficient, multi-output power management IC, providing complete system power and primary cell battery Coulomb counting for EFM32 and EFR32 devices. The EFP01 can operate over a wide input voltage range (0.8 to 5.5 V) with quiescent current as low as 150 nA.
Features:
- Supports broad battery technology
- Extends operating voltage EFM32 and EFR32
- Highly-integrated with Silicon Labs SDKs
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Si34071 Isolated 71 W, 12 V Class 8 Evaluation Kit
The Si34071 5 V Class 8 evaluation kit demonstrates a complete 71 W IEEE 802.3bt Power over Ethernet Powered Device system using our Si34071 PoE PD device. A single Si34071 manages the PoE interface and dc-dc conversion.
Si34071 Isolated 71 W, 12 V Class 8 Evaluation Kit
The Si34071 5 V Class 8 evaluation kit demonstrates a complete 71 W IEEE 802.3bt Power over Ethernet Powered Device system using our Si34071 PoE PD device. A single Si34071 manages the PoE interface and dc-dc conversion.
Si34071 Isolated 71 W, 5 V Class 8 Evaluation Kit
The Si34071 5 V Class 8 evaluation kit demonstrates a complete 71 W IEEE 802.3bt Power over Ethernet Powered Device system using our Si34071 PoE PD device. A single Si34071 manages the PoE interface and dc-dc conversion.
Si34071 Isolated 71 W, 5 V Class 8 Evaluation Kit
The Si34071 5 V Class 8 evaluation kit demonstrates a complete 71 W IEEE 802.3bt Power over Ethernet Powered Device system using our Si34071 PoE PD device. A single Si34071 manages the PoE interface and dc-dc conversion.