Difference between revisions of "SPE894x"

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Revision as of 03:43, 22 October 2014

Overview

IM141020002 3.jpg

In the PoE scheme, two different types of devices are involved: Power Sourcing Equipment (PSE) and Powered Devices (PD). Compatible with IEEE 802.3af standard, SPE894x is a 4-port channel PSE module for PoE system. It can connect to 4 PD modules at the same time and pass the electric power to them.

SPE89x module supports PoE power management from class 0 to class 4, as well as End-point and Mid-span modes. The Built-in 5A surge TVS tube in PSE output port with the function of short circuit protection can efficiently reduce the damages from short circuit load and surge and provide a stable and safe PoE environment. Go shopping [SPE894x(IM141020001)]

Features

  • Compatible with IEEE 802.3af standard
  • Support 10M/100M/1000M PoE system
  • Support End-point and Mid-span modes
  • Maximum 600mA current output in each channel
  • Support PoE electric power class from 0 to 4
  • Under voltage protection, shorted load protection, over current *protection
  • Built-in differential mode voltage 1.5kV, 5A peak current *protection in each channel

Application Notes

  • IAD
  • Multiband WAPs
  • RFID system
  • POS Terminal
  • Industrial automation systems
  • IP Phone terminal and iPBXs
  • Surveillance System(NVR, IPC)
  • Entrance Surveillance System
  • 100M/1000M Ethernet gateway/switch/router
  • WiMAX ASN/BTS and CPE/ODU system

Electronic Characteristics

Test condition Min Typical Max Unit
VEE_ABS -62 +0.3 V
VEE IEEE 802.3af (15.4 W) -57 -48 -45 V
VUVLO VEE from positive to negative −38 −36 V
VEE from negative to positive −33 −31 V
IPORT Class 0 0 5 mA
Class 1 8 13
Class 2 16 21
Class 3 25 31
Class 4 35 45
Over Current 51
ICUT Class 0 350 mA
Class 1 91
Class 2 160
Class 3 350
Class 4 600
RON IPort≤720mA 0.3 0.6
3.3V output 3.15 3.3 3.45 V
DC load 50 mA
T_OP 0 70
T_storage -10 70

Hardware

IM141020001pic1.jpg IM141020001 7.jpg

Pin Map

Number Name Description
J1 1 VEE Input Power(-57~ -45V)
2 VEE Input Power(-57~ -45V)
3 GND
4 GND
5 3.3V 3.3V output
6 SDA I2C data signal
7 SCLK I2C clock signal
8 A0 Chip Address 0 (1 - access to 3.3V, 0 - Ground )
9 A1 Chip Address 1 (1 - access to 3.3V, 0 - Ground )
10 RESET
J2 1 VOUT2 Class 2 PoE output
2 GND
3 VOUT3 Class 3 PoE output
4 GND
5 VOUT0 Class 0 PoE output
6 GND
7 VOUT1 Class 1 PoE output
8 GND
9 NC
10 NC

Related Products

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