Broadcom BCM59111 Power over Ethernet Technology HIGHLY INTEGRATED POWER OVER ETHERNET PSE CONTROLLERS Overview Benefits The Broadcom BCM59111 is a highly integrated, Highest integration allows the following: IEEE 802.3at-2009-compliant Power Sourcing Equip- Lowest total bill of materials (BOM) count. ment (PSE) controller with unsurpassed integration Easier PCB placement and PCB area saving. and flexibility. It contains four low-RDS (0.35), Eliminates need for a heat sink. high-voltage pass-FETs, each with a very accurate, Easy layout and design via simple ground/ lossless, proprietary internal current sense and an power plane. onboard microcontrollerall targeted to signifi- Works with Broadcom PoE-enabled products Highlights cantly reduce the complexity of Power over Ether- for easy implementation. net (PoE) and Power over Ethernet Plus (PoE+) Highly integrated, 4-port PSE Designed with system-oriented features to designs while easing PCB layout. The BCM59111 controlled with integrated FETs, allow for system-level differentiation, includ- integrated MCU, and integrated provides excellent protection under all possible current sense leads to small ing: fault conditions and overloads. It also supports two- RBOM and low cost. event Classification for Type 2 (30W) applications. Single point of interface for host hardware Supports IEEE 802.3at solutions and software The BCM59111 has a networking-oriented host as well as emerging PoE++/ Power management across all ports in cas- interface, communicating via a 400 kHz Broadcom UPOE solutions. caded configuration Serial Control (BSC) bus. Extremely low thermal dissipa- Programmable current limits and dynamic tion. No heat sinks required. measurement per port Architectural Features UL-certified (QVRQ) as a current Rapid power-down to support multiple limiting devicewhich means IEEE 802.3at-2009 compliant with support for power supply failures no port fuses may be necessary. IEEE 802.3af-2003 Supports a variety of applications: Supports two-event classification (Type 2) Routers and switches for enterprise, SMB, Supports 4-pair 60W applications SOHO, and commercial markets Supports detection of legacy PDs Ethernet midspans PSE power injectors Cascading of multiple devices up to 64 ports supported Integrated magnetics Programmable I and I for Type 1 and CUT LIM Type 2 2 BSCa Philips I C-compatible bus architec- ture Manual/Semi-autonomous operating mode BCM59111 Real-time current, voltage, and temperature Enterprise measurements available per port Overtemperature protection (warning and SMB shutdown) Operates from a 48V supply (nominal) and Service external 3.3V supply Provider Firmware download capability via BSC commu- ONT/ONU nication bus from host 7 mm 7 mm 0.9 mm QFN-48 package (0.5 Supported Best Choice mm pitch) with exposed padBCM59111 Module Architecture Ordering Information Part Number BCM59111KMLG BCM59111 About Broadcom Broadcom Corporation is a major technology These solutions support our core mission: A FORTUNE 500 company, Broadcom is innovator and global leader in Connecting everything. headquartered in Irvine, Calif., and has offices semiconductors for wired and wireless and research facilities in North America, Asia Broadcom, one of the world s largest fabless communications. Broadcom products and Europe. Broadcom may be contacted at communications semiconductor companies, enable the delivery of voice, video, data and +1.949.926.5000 or at www.broadcom.com. with 2010 revenue of 6.82 billion, holds multimedia to and throughout the home, the more than 4,800 U.S. and 2,000 foreign office and the mobile environment. We patents, and has more than 7,800 additional provide the industry s broadest portfolio of pending patent applications, and one of the state-of-the-art system-on-a-chip and broadest intellectual property portfolios software solutions to manufacturers of addressing both wired and wireless computing and networking equipment, transmission of voice, video, data and digital entertainment and broadband access multimedia. products, and mobile devices. Broadcom, the pulse logo, Connecting everything, and the Connecting everything logo are among the trademarks of Broadcom Corporation and/or its affiliates in the United States, certain other countries and/or the EU. Any other trademarks or trade names mentioned are the property of their respective owners. November 04, 2011 59111-PB01-R