參數(shù)資料
型號： SMARTPSE24-KIT
廠商： Silicon Laboratories Inc
文件頁數(shù)： 21/36頁
文件大?。?/td> 0K
描述： KIT EVAL REF 24PORT SPI/UART
標(biāo)準(zhǔn)包裝： 1
主要目的： 電源管理，以太網(wǎng)供電（POE），PSE
已用 IC / 零件： Si3452，Si3482，Si3500
已供物品： 板，線纜，CD
相關(guān)產(chǎn)品： SI3482-A01-GM-ND - IC CTLR POE 24-48PORT PSE 24-QFN
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336-1831-5-ND - IC POE CONTROLLER MIDSPAN 40QFN
336-1834-5-ND - IC POE CONTROLLER MIDSPAN 40QFN
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336-1833-5-ND - IC POE CONTROLLER MIDSPAN 40QFN
336-1832-5-ND - IC POE CONTROLLER MIDSPAN 40QFN
Si3452
28
Rev. 1.3
9. Pin Descriptions
Table 25. Si3452 Pin Descriptions
Pin #
Name
Type
Description
1
VEE1
Supply
Driver 1 VEE supply. Short to VEE, VEE2/3/4.
2
VEE
Supply
Global PoE (–48 V nom.) or PoE+ (–54 V nom.) supply. Short to VEE1/2/3/4.
3
VREF
Analog input
1.1 V nom. voltage reference from reference generator (for example, TLV431 or
power management unit).
4
AIN
Analog input
Measurement data converter input. Short to AOUT.
5
AOUT
Analog output
Measurement multiplexer subsystem output. Short to AIN.
6
AGND
Ground
Analog ground reference. Short to AGND pin 8, GND12/34, DGND.
7
RBIAS
Analog input
External 44.2 k (±1%) resistor to ground sets internal bias currents.
8
AGND
Ground
Analog ground reference. Short to AGND pin 6, GND12/34, DGND.
9
NC
No connect
Do not connect (float).
10
VEE4
Supply
Driver 4 VEE supply. Short to VEE, VEE1/2/3.
11
NC
No connect
Do not connect (float).
12
VOUT4
Analog I/O
Port 4 power FET switch output. When on, provides a low impedance path to
VEE4.
VEE
VEE1
AIN
RBIAS
VREF
AGND
AOUT
1
2
3
4
5
6
7
AGND 8
DGND
VDD
AD1
AD3
AD0
AD2
30
29
28
27
26
25
24
VOU
T
4
NC
SD
A
NC
DE
T4
SCL
GND3
4
11
12
13
14
15
16
17
DET3
18
VD
D
19
39
38
37
36
35
34
33
VOU
T
1
INT
DET1
AD0
RST
GN
D12
AD1
DET2
VEE4 10
NC 9
VEE3
22
RST
23
AD3
21
VOUT3
20
32
VOU
T
2
31
VEE2
Si3452
(Top View)
40
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