MAX5965AEAX+T Maxim Integrated Products, MAX5965AEAX+T Datasheet - Page 43

• Manufacturer Part Number: MAX5965AEAX+T
• Description: IC PSE CTRLR FOR POE 36SSOP
• Manufacturer: Maxim Integrated Products
• Type: Power Over Ethernet Controller (PoE)r

Specifications of MAX5965AEAX+T

• Applications: IP Phones, Power over LAN, Network Routers and Switches
• Internal Switch(s): No
• Voltage - Supply: 2.4 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-BSOP (0.300", 7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 35b. Class Sequence States (continued)
When the ENx_CL6 (R1Ch[7:4]) bits are set, 2-event
classification is enabled. Classification is repeated
three times and the classification results are set
according to Table 35b.
A Class 6 PD is defined by any sequence of the type
[00x, 0x0, 0xx, x00, x0x, xx0] where ‘x’ can be 1, 2, 3,
4, or 5. All sequences made by the same class result
define the class itself (for example, 222 defines Class
2). Any other sequence will be considered illegal and
coded as 101xxx. For example, a sequence 232 or 203
will be illegal. The illegal sequences all default to class
0. A reset or power-up sets R2Ch = R2Dh = R2Eh =
R2Fh = 00h.
The MAX5965A/MAX5965B provide current readout for
each port during classification and normal power
mode. The current per port information is separated
Table 36. Current Registers
(ADDRESS = 2Ch, 2Dh,
ADDRESS = 30h, 31h, 32h, 33h, 34h,
High-Power, Quad, Monolithic, PSE Controllers
SYMBOL
CLASS_[5:0]
IPD_
2Eh, 2Fh)
101010
101011
101100
101101
101110
101111
110000
110001
110010
110011
110100
35h, 36h, 37h
______________________________________________________________________________________
BIT
7
6
5
4
3
2
1
0
SEQUENCE
Reserved
Reserved
Reserved
Reserved
Reserved
CLASS
Illegal
Illegal
Illegal
Illegal
Illegal
Illegal
R/W
RO
RO
RO
RO
RO
RO
RO
RO
IPD_[8]
IPD_[7]
IPD_[6]
IPD_[5]
IPD_[4]
IPD_[3]
IPD_[2]
IPD_[1]/IPD_[0]
ICUT_[2:0]
000
000
000
000
000
000
000
000
000
000
000
for Power over Ethernet
into 9 bits. They are organized into two consecutive
registers for each one of the ports. The information can
be quickly retrieved using the autoincrement option of
the address pointer. To avoid the LSB register chang-
ing while reading the MSB, the information is frozen
once the addressing byte points to any of the current
readout registers.
During power mode, the current value can be calculat-
ed as
During classification, the current is
where N
ADC saturates both at full scale and at zero. A reset
sets R30h to R37h = 00h.
(ADDRESS = 2Ch, 2Dh,
CLASS_[5:0]
2Eh, 2Fh)
IPD_
110101
110110
110111
111000
111001
111010
111011
111100
111101
111110
111111
DESCRIPTION
I
is the decimal value of the 9-bit word. The
PORT
I
CLASS
= N
= N
IPD_
IPD_
SEQUENCE
x 1.953125mA
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
CLASS
x 0.0975mA
ICUT_[2:0]
000
000
000
000
000
000
000
000
000
000
000
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