PD69012 Datasheet, PDF (17/18 Pages) Microsemi Corporation – 12 Ports Power Over Ethernet Manager

PD69012 - 12 Ports Power Over Ethernet Manager
Vmain :44 ÷57 v
Vp eri 3.3v
Ext_ Reg
CP_ OUT
Vport_ Pos
Vport _N eg
FET_ gate
Vport_ Sense
CP_ IN
VCC2 P5
ADC2 P5
R1
ASIC_ INI
R2
R3
I2C_ INI
R4
I²C Co mmunication Bus
Vp eri 3 .3 v
Add if line
is not in use
R es et
Disable_ Ports_N
Interupt_ Out
SDA
SCL
SDA_ OUT
Iref
x12
Vport_ Pos
Vport_ Neg
Vport_ Sense
Sense_ Neg
MOSI
MISO
SCK
CS0
EEPROM_ CS
LSC
LSD
R ef
Port Neg
PG 0
PG1
PG2
V main
Vport_ Pos0
46 .4K 47 nF
0 .5 R
Fuse
Vport_ Neg0
x 12
Vport_Pos 11
Vport_ Neg 11
SPI Communication
Bus
LED Driving
To Power Supplies
Power Good
Signals
Figure 5: Basic Application with DC Disconnect Support
Copyright © 2009
Rev. 1.0, 2009-03-03
Microsemi
Analog Mixed Signal Group
2381 Morse Avenue, Irvine, CA 92614, USA; Phone (USA): [phone], (ROW): [phone] Fax: [phone]
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