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| 型号： | MAX5965BEAX+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | High-Power, Quad, Monolithic, PSE Controllers for Power over Ethernet; Package: SSOP;36 pin;163 mm² ; Temperature: -40°C to +85°C |
| 中文描述： | 4-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO36 |
| 封装： | ROHS COMPLIANT, SSOP-36 |
| 文件页数： | 39/54页 |
| 文件大小： | 1525K |
| 代理商： | MAX5965BEAX+ |
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MAX5965A/MAX5965B
High-Power, Quad, Monolithic, PSE Controllers
for Power over Ethernet
44
______________________________________________________________________________________
Table 33b. Class Sequence States (continued)
CLS_[5:0]
(ADDRESS = 2Ch, 2Dh,
2Eh, 2Fh)
CLASS
SEQUENCE
ICUT_[2:0]
101010
Illegal
000
101011
Illegal
000
101100
Illegal
000
101101
Illegal
000
101110
Illegal
000
101111
Illegal
000
110000
Reserved
000
110001
Reserved
000
110010
Reserved
000
110011
Reserved
000
110100
Reserved
000
CLS_[5:0]
(ADDRESS = 2Ch, 2Dh,
2Eh, 2Fh)
CLASS
SEQUENCE
ICUT_[2:0]
110101
Reserved
000
110110
Reserved
000
110111
Reserved
000
111000
Reserved
000
111001
Reserved
000
111010
Reserved
000
111011
Reserved
000
111100
Reserved
000
111101
Reserved
000
111110
Reserved
000
111111
Reserved
000
ADDRESS = 30h, 31h, 32h, 33h, 34h,
35h, 36h, 37h
SYMBOL
BIT
R/W
DESCRIPTION
7
RO
IPD_[8]
6
RO
IPD_[7]
5
RO
IPD_[6]
4
RO
IPD_[5]
3
RO
IPD_[4]
2
RO
IPD_[3]
1
RO
IPD_[2]
IPD_
0
RO
IPD_[1]/IPD_[0]
Table 34. Current Registers
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 33b.
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
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
IPORT = NIPD_ x 1.953125mA
During classification, the current is
ICLASS = NIPD_ x 0.0975mA
where NIPD_ is the decimal value of the 9-bit word. The
ADC saturates both at full scale and at zero. A reset
sets R30h to R37h = 00h.
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| MAX5965BEAX+ | 功能描述:热插拔功率分布 Quad PSE Controller for POE RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5965BEAX+T | 功能描述:热插拔功率分布 Quad PSE Controller for POE RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5965BUAX+ | 功能描述:热插拔功率分布 Quad PSE Controller for POE RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5965BUAX+T | 功能描述:热插拔功率分布 Quad PSE Controller for POE RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
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