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參數資料
型號: MAX5965AEAX+
廠商: Maxim Integrated
文件頁數: 32/54頁
文件大小: 1334K
描述: IC PSE CTRLR FOR POE 36SSOP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 30
類型: 以太網供電控制器(PoE)
應用: IP 電話,LAN 網絡供電,網絡路由器和交換機
內部開關:
電源電壓: 2.4 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 36-BSOP(0.295",7.50mm 寬)
供應商設備封裝: 36-SSOP
包裝: 管件
High-Power, Quad, Monolithic, PSE Controllers
for Power over Ethernet
32   ______________________________________________________________________________________
Table 13a. Port Status Registers
ADDRESS = 0Ch, 0Dh, 0Eh, 0Fh
SYMBOL
BIT
R/W
DESCRIPTION
Reserved
7
R
Reserved
6
R
CLASS_[2]
5
R
CLASS_[1]
CLASS_
4
R
CLASS_[0]
Reserved
3
R
Reserved
2
R
DET_ST_[2]
1
R
DET_ST_[1]
DET_ST_
0
R
DET_ST_[0]
Table 13b. Detection Result Decoding Chart
DET_ST_[2:0]
(ADDRESS = 0Ch, 0Dh, 0Eh, 0Fh)
DETECTED
DESCRIPTION
000
None
Detection status unknown
001
DCP
Positive DC supply connected at the port (V
AGND
 - V
OUT_
 < 1V)
010
HIGH CAP
High capacitance at the port (> 8.5礔)
011
RLOW
Low resistance at the port, R
PD
 < 15k&
100
DET_OK
Detection pass, 15k& < R
PD
 < 33k&
101
RHIGH
High resistance at the port, R
PD
 > 33k&
110
OPEN0
Open port (I < 10礎)
111
DCN
Negative DC supply connected to the port (V
OUT_
 - V
EE
 < 2V)
Table 13c. Classification Result Decoding
Chart
CLASS_[2:0]
(ADDRESS = 0Ch, 0Dh, 0Eh, 0Fh)
CLASS RESULT
000
Unknown
001
1
010
2
011
3
100
4
101
5
110
0
111
Current limit (> I
CILIM
)
The port status register (Table 13a) records the results of
the detection and classification at the end of each phase in
three encoding bits each. R0Ch contains the detection
and classification status of port 1. R0Dh corresponds to
port 2, R0Eh corresponds to port 3, and R0Fh corresponds
to port 4. Tables 13b and 13c show the detection/classifi-
cation result decoding charts, respectively. For CLC_EN =
0, the detection result is shown in Table 13b. When
CLC_EN is set high, the MAX5965A/MAX5965B allow valid
detection of high capacitive load of up to 150礔.
When 2-event classification is not enabled (ENx_CL6 =
0), the classification status is reported in Table 13c.
When 2-event classification is enabled (ENx_CL6 = 1),
the CLASS_[2:0] bits are set to 000 and the classifica-
tion result is reported in locations R2ChR2Fh.
As a protection, when POFF_CL (R17h[3], Table 21) is
set to 1, the MAX5965A/MAX5965B prohibit turning on
power to the port that returns a status 111 after classifi-
cation. A reset sets 0Ch, 0Dh, 0Eh, and 0Fh = 00h.
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MAX5965AEAX+T 功能描述:熱插拔功率分布 Quad PSE Controller for POE RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5965AUAX+ 功能描述:熱插拔功率分布 Quad PSE Controller for POE RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5965AUAX+T 功能描述:熱插拔功率分布 Quad PSE Controller for POE RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5965BCAX+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
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