MAX5945EAX+ Maxim Integrated Products, MAX5945EAX+ Datasheet - Page 30

• Manufacturer Part Number: MAX5945EAX+
• Description: IC NETWORK PWR CTRL 36-SSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX5945EAX+

• Controller Type: Network Power Controller
• Interface: I²C
• Voltage - Supply: 3.3V
• Current - Supply: 4.2mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

when the port is already powered and during shut-
down. PWR_OFF_ is ignored when the port is already
off and during shutdown. After execution, the bits reset
to 0. During detection or classification, if PWR_ON_
Quad Network Power Controller
for Power-Over-LAN
Table 20. Miscellaneous Configurations
Table 21. Power Enable Pushbuttons
Table 22. Global Pushbuttons
30
PWR_OFF4
PWR_OFF3
PWR_OFF2
PWR_OFF1
RESET_IC
RESET_P4
RESET_P3
RESET_P2
RESET_P1
PWR_ON4
PWR_ON3
PWR_ON2
PWR_ON1
SYMBOL
Reserved
Reserved
RSTR_EN
CLR_INT
SYMBOL
Reserved
Reserved
POFF_CL
Reserved
Reserved
SYMBOL
CL_DISC
INT_EN
______________________________________________________________________________________
ADDRESS = 1Ah
ADDRESS = 17h
ADDRESS = 19h
BIT
BIT
BIT
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
R
R
R
R
A logic high clears all interrupts
Reserved
Reserved
A logic high resets the MAX5945
A logic high softly resets port 4
A logic high softly resets port 3
A logic high softly resets port 2
A logic high softly resets port 1
A logic high enables INT functionality
A logic high enables the autorestart protection time off (as set by the RSRT[1:0] bits)
Reserved
Reserved
A l og i c hi g h p r events p ow er - up after a cl assi fi cati on fai l ur e ( I > 50m A, val i d onl y i n AU TO m od e)
A logic high enables reduced current-limit voltage threshold (V
classification result
Reserved
Reserved
A logic high powers off port 4
A logic high powers off port 3
A logic high powers off port 2
A logic high powers off port 1
A logic high powers on port 4
A logic high powers on port 3
A logic high powers on port 2
A logic high powers on port 1
goes high, the MAX5945 gracefully terminates the cur-
rent operation and turn-on power to the port. The
MAX5945 ignores the PWR_ON_ in AUTO mode. A
reset sets R19h = 00h.
DESCRIPTION
DESCRIPTION
DESCRIPTION
FLT_LIM
) according to port