SI3453-B01-GM Silicon Laboratories Inc, SI3453-B01-GM Datasheet - Page 27

• Manufacturer Part Number: SI3453-B01-GM
• Description: IC POE CONTROLLER MIDSPAN 40QFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI3453-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: 336-1837-5

Pin #
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
GND34
VOUT3
VOUT2
GND12
DGND
Name
DET3
VEE3
VEE2
DET2
DET1
SDA
VDD
VDD
SCL
AD3
RST
AD3
AD2
AD2
AD1
AD0
AD0
AD1
RST
NC
Digital input
Digital input
No connect
Analog I/O
Analog I/O
Analog I/O
Analog I/O
Analog I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Ground
Ground
Ground
Supply
Supply
Supply
Supply
Table 24. Si3452/3 Pin Descriptions (Continued)
Type
I
Ground supply for protection clamps. Short to AGND, GND12, DGND.
I
Do not connect (float).
Connection for port 3 detection and classification. See DET4 for detailed descrip-
tion.
+3.3V (±10%) isolated supply. Short to VDD pin 30.
Port 3 power FET switch output. When on, provides a low impedance path to
VEE3.
Chip address bit 3 pin, read after reset. Address set with defined resistor dividers.
Pin also used for internal communications. Short to AD3 pin 24.
Driver 3 VEE supply. Short to VEE, VEE1/2/4.
Active low digital reset. Short to RST pin 38.
Chip address bit 3 pin, read after reset. Address set with a 10 k  pull-up or pull-
down resistor. Also used for internal communications. Short to AD3 pin 21.
Chip address bit 2 pin, read after reset. Address set with a 10 k  pull-up or pull-
down resistor. Also used for internal communications. Short to AD2 pin 26.
Chip address bit 2 pin, read after reset. Address set with a 10 k  pull-up or pull-
down resistor. Also used for internal communications. Short to AD2 pin 25.
Chip address bit 1 pin, read after reset. Address set with a 10 k  pull-up or pull-
down resistor. Also used for internal communications. Short to AD1 pin 36.
Chip address bit 0 pin, read after reset. Address set with a 10 k  pull-up or pull-
down resistor. Also used for internal communications. Short to AD0 pin 34.
Digital ground reference. Short to AGND, GND12/34
+3.3 V isolated supply. Short to VDD pin 19.
Driver 2 VEE supply. Short to VEE, VEE1/3/4.
Port 2 power FET switch output. When on, provides a low impedance path to
VEE2.
Connection for port 2 detection and classification. See DET4 for detailed descrip-
tion.
Chip address bit 0 pin. See description for- and short to AD0 pin 28.
Ground supply for protection clamps. Short to AGND, GND34, DGND.
Chip address bit 1 pin. See description for- and short to AD1 pin 27.
Connection for port 1 detection and classification. See DET4 for detailed descrip-
tion.
Active low digital reset. Short to RST pin 23.
2
2
C data pin
C clock pin
Rev. 0.42
Description
Si3452/3
27