Silicon Labs Simplifies Power over Ethernet Deployment for Residential Gateways and surveillance Systems

17 MAY 2012

Silicon Laboratories Inc. introduced a single-port Power over Ethernet (PoE) controller that brings economical “plug-and-play” simplicity to embedded power sourcing equipment (PSE) designs. The new Si3462 controller eases the development of PSE endpoints such as residential gateways, set-top boxes, fiber-optic media converters, and surveillance and security systems that connect to a wide variety of powered devices including VoIP phones, security cameras, keypads, network attached storage and WiFi access points. With the rising popularity of the higher power IEEE 802.3at PoE+ standard and the need to support PD applications that consume up to 30 watts, developers require PSE controllers that offer flexible power measurement and monitoring capabilities, standards-compliance and no interoperability hassles. The Si3462 controller is a complete, cost-effective single-port PoE and PoE+ PSE solution. When deployed with the new Classification Optional Mode, the Si3462 eliminates the need for up to 10 discrete components, reducing the total BOM cost for embedded PSE to as little as $1.60 (USD). In this mode, the Si3462 controller determines when a valid PD is connected at the other end of the cable and immediately applies a predetermined amount of power.

Silicon Laboratories
www.silabs.com

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