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Preparing for Power over Ethernet Plus
Date Posted: July 05, 2007 12:00 AM
Broadcom Corp. announced two four-port PSE controllers, the BCM59101 and BCM59103,
the latter being “pre-IEEE802.3at-compliant.” Both chips are pin-compatible,
facilitating product migration for OEMs. They integrate power MOSFETS, dc-dc
controllers, ac disconnect, and LED control circuitry. Pricing is $10 each in
10,000-unit lots.
On the equipment side, Phihong USA introduced a 60-W midspan, the POE60U-560G,
and a 52-W PoE Gigabit high-power splitter, the POE60D, for high-power wireless
access points that require up to 52 W. The splitter, a gigabit-compatible device
designed to be mounted right next to a powered device, performs connect identification
as well as separates the power and data. Both are designed around the specifications
of the proposed IEEE 802.3at standard as of March 2007.
microcontrollers