Broadcom Corporation - BCM59103 - Quad Integrated Pre-IEEE802.3at Controller With Power Management

The BCM59103 is a highly integrated quad power source equipment (PSE) controller compatible with IEEE 802.3af-2003 and high power support. The controller is the industry first to offer a highly integrated architecture with revolutionary enhancements that are targeted at reducing the complexity of Power Over Ethernet (PoE) designs. At 30W+ per port, the BCM59103 is also the industry first PSE controller to offer an integrated solution for higher power applications. The BCM59103 integrates the Microcontroller Power Switches low-loss Current Sense function, detection, classification, and voltage converters, 3.3V bias Regulator (DC:DC converter) and AC disconnect functionality. The high level of integration and innovation make the device the most power efficient integrated IEEE 802.3af PoE system.
By Broadcom Corp.
BCM59103 's PackagesBCM59103 's pdf datasheet



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BCM59103 Application circuits
BCM59103 circuits
This is one application circuit of BCM59103,If you need more circuits,please download BCM59103's pdf datasheet.


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