QUAD INTEGRATED IEEE 802.3AF-2003 CONTROLLER POWER MANAGEMENT SYSTEM W

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QUAD INTEGRATED IEEE 802.3AF-2003 CONTROLLER POWER MANAGEMENT SYSTEM W

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BCM59101
QUAD INTEGRATED IEEE 802.3AF-2003 CONTROLLER POWER MANAGEMENT SYSTEM WITH ENHANCED CAPABILITIES
FEATURES SUMMARY BENFITS
Standards support
IEEE 802.3af-2003-compliant IEEE 802.3af-2003 classification scheme support Supports Pre-IEEE 802.3af-2003 legacy detection
Highest integration that allows
Lowest total count Easier placement area saving Full functionality without external u-controller including power management Eliminates need external 3.3V power conversion
High hardware integration
Integrated switches Integrated current sense functionality Integrated microcontroller Integrated disconnect options
Further reduces count 3.3V DC:DC capability
shared across multiple BCM59101 devices
Extensive hardware features
15.4W port support Power Over Ethernet (POE) integrated circuitry Programmable current limit both IEEE 802.3af extended power ranges Low-power dissipation eliminating heat sink IEEE 802.3af mode Broadcom serial control (BSC) interface support host UART interface support host Robust switch protection circuit withstands cable discharge events (CESD) Autonomous, semi-autonomous, manual modes Real-time current, voltage temperature measurements available port Cascading multiple devices ports support with option single hardware software interface host Includes four drivers reporting port activity Integrated 3.3V buck regulator (DC:DC) support Over-temperature protection Operates from single supply
Enables support such emerging Wi-Fi® APs,
security cameras, phone 15.4W port capability
Eliminates need heat sink IEEE 802.3af mode
no-dissipation-Rsense DC:DC 3.3V
Makes layout design easy simple ground/power plane Works with Broadcom POE-enabled products easy
implementation
Architected with system-oriented features allow systemlevel differentiation, including: Single point interface host hardware software Power management across ports cascaded configuration Programmable current limits dynamic measurement port Rapid power-down support multiple power supply failures
Supports variety applications:
Routers switches Enterprise, SMB, SOHO, commercial markets Ethernet midspans power injectors Integrated magnetics
Extensive software features
Self-contained power allocation software Integrated 4-port power management Integrated power management ports cascaded version
OVERVIEW
10-bit 3.3V
Protection
BCM59103
Disconnect
SMPS
Conroller (DC-DC)
E-8051 Controller Memory
RAM/ROM
LEDs
Control
Comm
UART
ports
Sense
Comm Current
Optos
Host
BCM59101 Module Architecture
BCM59101 highly integrated quad power source equipment (PSE) controller compatible with IEEE 802.3af-2003. controller industry first offer highly integrated architecture with revolutionary enhancements that targeted reducing complexity Power Over Ethernet (POE) designs. BCM59101 integrates microcontroller, power switches, low-loss current sense function, detection, classification, voltage converters, 3.3V bias regulator (DC:DC converter) disconnect functionality. high level integration innovation make device most power efficient integrated IEEE 802.3af system. BCM59101 offers networking-oriented host interface that offers full suite power management. This easy interface extended manage 64-cascaded ports through single host interface. BCM59101 designed with robustness legacy support. offers detection classification mechanisms capable detecting both IEEE 802.3af-compatible devices legacy devices simultaneously. addition, BCM59101 designed tested withstand cable discharge events well events excess
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2007 BROADCOM CORPORATION. rights reserved. 59101-PB01-R 04/20/07
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QUAD INTEGRATED IEEE 802.3AF-2003 CONTROLLER POWER MANAGEMENT SYSTEM W

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