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PD69008 Datasheet(PDF) 1 Page - Microsemi Corporation |
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PD69008 Datasheet(HTML) 1 Page - Microsemi Corporation |
1 / 15 page PD69008 - 8 Ports Power Over Ethernet Manager Microsemi Analog Mixed Signal Group Page 1 2381 Morse Avenue, Irvine, CA 92614, USA; Within the USA: (800) 713-4113, Outside the USA: (949) 221-7100 Fax: (949) 756-0308 Copyright © 2009 Rev. 1.0, 2009-03-15 Description _________________ Microsemi’s PD69008 Power over Ethernet (PoE) Manager chip integrates power, analog and state of the art embedded core logic into a single 80-pin, plastic QFP package. The device is used in Ethernet switches and Midspans to enable network devices to share power and data over the same cable. PD69008 device is an 8-port, mixed-signal, high- voltage Power over Ethernet driver. It enables detection of IEEE802.3af-2003 compliant PDs (Powered Devices) and IEEE802.3AT High Power Devices, thus, ensuring safe power feeding and disconnection of ports. With full digital control via a serial communication interface and a minimum of external components, the device integrates into multi- port and highly populated Ethernet switches and routers. The PD69008 executes all real time functions as specified in the IEEE802.3af-2003 (“AF”) standard and IEEE802.3at High Power (“AT”) functionality, including load detection, “AF” and “AT” classification and port status monitoring. In addition it performs system level activities such as power management and MIB support for system management. The PoE device is designed to detect and disable disconnected ports, utilizing both DC and AC disconnection methods, as specified in the IEEE 802.3af-2003 standard. The PD69008 is designed to support 2 main configurations: • Auto mode: For Basic ”AF” and “AT” PSE equipment • Enhanced mode: For High End, Extended features set of AF and AT PSE equipment Pin Configuration _____________ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PD69008 Date Code 17 18 19 20 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 Vmain Ref_port_neg CP_OUT CP_IN Vport_pos0 Vport_pos1 Vport_pos2 Vport_pos3 Vport_pos4 Vport_pos5 Vport_pos6 Vport_pos7 NC NC NC NC DGND2 I2CINI Vcc2p5 QGND Ext_reg ASIC_INI ADC2p5 Iref Reset_n SCL SCK MOSI MISO SDA CS_n Vperi Disable_ports_n CS_EEPROM_n/ LSL / Interrupt_n SDA_out / Test_mode Good0/GPIO0 Good1/GPIO1 rGood2/GPIO4 LSD/ GPIO2 LSC/ GPIO3 Supported Features __________ PD69008 Auto Mode features: ♦ Fully IEEE802.3af-2003 compliant ♦ Designed to support IEEE802.3at including two- event classification ♦ Supports pre-standard PD detection ♦ Supports Cisco devices detection ♦ IETF Power Ethernet MIB (RFC 3621) compliant ♦ Single DC voltage input (44v-57v) ♦ Wide temperature range: -40° C to +85° C ♦ Low thermal dissipation (0.5Ω sense resistor) ♦ Drives 8 independent two-pairs power ports or 64-pairs ports ♦ Can cascade up to 8 PoE devices (64 ports) ♦ EEPROM interface for software patching and parameter configuration ♦ I2C Host interface ♦ Supports Interrupt out pin ♦ Dynamic power management ♦ Emergency power management supporting three configurable Power Bank I/Os ♦ Direct register communication ♦ Direct LED drive supporting one or two colors ♦ Continuous monitoring per port and system data ♦ Parameter setting per port and per system ♦ Power soft start algorithm ♦ Thermal monitoring/protection ♦ Voltage monitoring/protection ♦ H/W disable ports input ♦ Built in 3.3 V regulator ♦ Internal power on reset ♦ Enhanced SPI bus for internal communication ♦ External EEPROM for system parameters update ♦ SW ROM patch option ♦ RoHS compliant Enhanced Modes Additional Features: ♦ I2C or UART Host interface ♦ Serial communication protocol backwards compatible with PD63000 and PDIC66000 ♦ Added monitoring ♦ Extended parameters setting ♦ Port matrix for flexible PCB Layout ♦ Field upgradeable software ♦ Emergency Power Management with four power supplies Ordering Information __________ Part number Temperature range Package PD69008 -40 to 85°C LQFP 80 pin This datasheet refers to ICs with date code "XAA0843" or later. Date code: See the bottom line (XAA0843) in the Pin Configuration drawing. Where “0843" is the date code, “08”IS the year (2008), and “43” is the week. |
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