SI3453A-B01-GM Silicon Laboratories Inc, SI3453A-B01-GM Datasheet - Page 26

• Manufacturer Part Number: SI3453A-B01-GM
• Description: IC POE CONTROLLER MIDSPAN 40QFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI3453A-B01-GM

• Package / Case: 40-QFN
• Controller Type: Power over Ethernet Controller (POE)
• Interface: I²C
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 14mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Maximum Power Dissipation: 1.2 W
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Product: Ethernet Controllers
• Standard Supported: IEEE 802.3at, IEEE 802.3af
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Supply Current (max): 14 mA
• Maximum Operating Temperature: + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 336-1838-5

Si3452/3
8. Pin Descriptions
26
Pin #
10
12
13
11
1
2
3
4
5
6
7
8
9
VOUT4
AGND
RBIAS
AGND
AOUT
Name
VREF
VEE1
VEE4
DET4
VEE
AIN
NC
NC
Analog output
Analog input
Analog input
Analog input
No connect
No connect
Analog I/O
Analog I/O
Ground
Ground
Supply
Supply
Supply
Type
RBIAS
AGND
AGND
AOUT
VREF
VEE1
VEE4
VEE
AIN
NC
Table 24. Si3452/3 Pin Descriptions
10
2
3
4
5
6
7
1
8
9
Driver 1 VEE supply. Short to VEE, VEE2/3/4.
Global PoE (–48 V nom.) or PoE+ (–54 V nom.) supply. Short to VEE1/2/3/4.
1.1 V nom. voltage reference from reference generator (for example, TLV431 or
power management unit).
Measurement data converter input. Short to AOUT.
Measurement multiplexer subsystem output. Short to AIN.
Analog ground reference. Short to AGND pin 8, GND12/34, DGND.
External 44.2 kΩ (±1%) resistor to ground sets internal bias currents.
Analog ground reference. Short to AGND pin 6, GND12/34, DGND.
Do not connect (float).
Driver 4 VEE supply. Short to VEE, VEE1/2/3.
Do not connect (float).
Port 4 power FET switch output. When on, provides a low impedance path to
VEE4.
Connection for port 4 detection, classification, and transient surge protection. This
pin is tied to VOUT4.
(Top View)
Si3452
Rev. 0.42
Description
22
30
29
28
27
26
25
24
21
23
VDD
DGND
AD0
AD1
AD2
AD2
AD3
RST
VEE3
AD3