參數(shù)資料
型號(hào): SI3452A-B01-GM
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 21/36頁(yè)
文件大?。?/td> 0K
描述: IC POE CONTROLLER MIDSPAN 40QFN
特色產(chǎn)品: Si3452 Quad High-Voltage Port Controller for PoE and PoE+PSEs
標(biāo)準(zhǔn)包裝: 50
控制器類型: 以太網(wǎng)供電控制器(POE)
接口: I²C
電源電壓: 3 V ~ 3.6 V
電流 - 電源: 14mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 40-VFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 40-QFN(6x6)
包裝: 管件
配用: SMARTPSE24-KIT-ND - KIT EVAL REF 24PORT SPI/UART
SI3480MS8-KIT-ND - KIT EVAL 8PORT SI3480/52/SI3500
其它名稱: 336-1831-5
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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