SI3453A-B01-GM Silicon Laboratories Inc, SI3453A-B01-GM Datasheet - Page 29

• 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

Pin #
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
GND34
VOUT3
VOUT2
GND12
DGND
Name
DET4
DET3
VEE3
VEE2
DET2
SDA
VDD
VDD
SCL
AD3
RST
AD3
AD2
AD2
AD1
AD0
AD0
AD1
NC
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
Type
Table 25. Si3453 Pin Descriptions (Continued)
Connection for port 4 detection, classification, and transient surge protection. This
pin is tied to VOUT4.
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.
+3.3 V (±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.
2
2
C data pin
C clock pin
Rev. 1.2
Description
Si3453
29