参数资料
型号: MAX5952AEAX+T
厂商: Maxim Integrated
文件页数: 40/50页
文件大小: 1006K
描述: IC PSE CTRLR FOR POE 36-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1,000
类型: 以太网供电控制器(PoE)
应用: 远程外设(工业控制,相机,数据访问)
内部开关:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 36-BSOP(0.295",7.50mm 宽)
供应商设备封装: 36-SSOP
包装: 带卷 (TR)
High-Power, Quad, PSE Controller
for Power-Over-Ethernet
40   ______________________________________________________________________________________
Table 32. Miscellaneous Configurations 2
ADDRESS = 29h
SYMBOL
BIT
R/W
DESCRIPTION
7

Reserved
6

Reserved
5

Reserved
4

Reserved
3

Reserved
Reserved
2

Reserved
1
R/W
IVEE[1]
IVEE
0
R/W
IVEE[0]
Table 34a. ICUT Registers 1 and 2
ADDRESS = 2Ah
SYMBOL
BIT
R/W
DESCRIPTION
Reserved
7

Reserved
6
R/W
ICUT2[2]
5
R/W
ICUT2[1]
ICUT2
4
R/W
ICUT2[0]
Reserved
3

Reserved
2
R/W
ICUT1[2]
1
R/W
ICUT1[1]
ICUT1
0
R/W
ICUT1[0]
Table 34b. ICUT Registers 3 and 4
ADDRESS = 2Bh
SYMBOL
BIT
R/W
DESCRIPTION
Reserved
7

Reserved
6
R/W
ICUT4[2]
5
R/W
ICUT4[1]
ICUT4
4
R/W
ICUT4[0]
Reserved
3

Reserved
2
R/W
ICUT3[2]
1
R/W
ICUT3[1]
ICUT3
0
R/W
ICUT3[0]
Table 33. Current-Limit Scaling Register
IVEE[1:0]
(ADDRESS = 29h)
CURRENT LIMIT
(%)
00
Default
01
-5
10
-10
11
-15
The three ICUT_ bits (Tables 34a and 34b) allow pro-
gramming of the current-limit and overcurrent thresholds
in excess of the IEEE 802.3af standard limit. The
MAX5952 can automatically set the ICUT register or can
be manually written to by the software (see Table 3).
Class 1 and 2 limits can also be programmed by soft-
ware independently from the classification status. See
Table 3. A reset or power-up sets R2Ah = R2Bh = 00h.
The IVEE bits enable the current-limit scaling (Table
32). This feature is used to reduce the current limit for
systems running at higher voltage to maintain the
desired output power. Table 33 sets the current-limit
scaling register. A reset or power-up sets R29h = 00h.
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