max5965a Maxim Integrated Products, Inc., max5965a Datasheet - Page 42

• Manufacturer Part Number: max5965a
• Description: High-power, Quad, Monolithic, Pse Controllers For Power Over Ethernet
• Manufacturer: Maxim Integrated Products, Inc.

High-Power, Quad, Monolithic, PSE Controllers
for Power over Ethernet
Table 34c. ICUT Register Bit Values for Current-Limit Threshold
Table 35a. Classification Status Registers
Table 35b. Class Sequence States
42
(ADDRESS = 2Ch, 2Dh,
Reserved
ICUT_[2:0] (ADDRESS = 2Ah, 2Bh)
ADDRESS = 2Ch, 2Dh, 2Eh, 2Fh
SYMBOL
______________________________________________________________________________________
CLASS_[5:0]
2Eh, 2Fh)
000000
000001
000010
000011
000100
000101
000110
000111
001000
001001
001010
001011
001100
001101
001110
001111
010000
010001
010010
010011
010100
000
001
010
011
100
101
110
111
BIT
7
6
000 (Class 0)
111 (Class 1)
222 (Class 2)
SEQUENCE
CLASS
R/W
001
010
011
100
101
110
002
020
022
200
202
220
003
030
033
300
303
330
—
—
Reserved
Reserved
ICUT_[2:0]
SCALE FACTOR
HP[2:0]
HP[2:0]
000
000
000
000
000
110
000
011
000
000
100
000
111
000
010
000
000
010
000
1.75x
2.25x
0.53x
1.5x
2.5x
0.3x
1x
2x
(ADDRESS = 2Ch, 2Dh,
CLASS_[5:0]
2Eh, 2Fh)
010101
010110
010111
011000
011001
011010
011011
011100
011101
011110
011111
100000
100001
100010
100011
100100
100101
100110
100111
101000
101001
DESCRIPTION
TYPICAL CURRENT-LIMIT THRESHOLD (mA)
333 (Class 3)
444 (Class 4)
555 (Class 5)
SEQUENCE
Reserved
Reserved
Reserved
Reserved
Class 1
Class 2
CLASS
Illegal
Illegal
375
563
656
750
844
938
004
040
044
400
404
440
005
050
055
500
505
550
ICUT_[2:0]
HP[2:0]
HP[2:0]
000
000
000
000
000
000
000
000
000
000
000
000
000
000
000
000
000
000
000