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参数资料
| 型号： | MAX5965AUAX+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 35/54页 |
| 文件大小： | 1334K |
| 描述： | IC PSE CTRLR FOR POE 36SSOP |
| 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： | IP 电话，LAN 网络供电，网络路由器和交换机 |
| 内部开关： | 无 |
| 电源电压： | 2.4 V ~ 3.6 V |
| 工作温度： | 0°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) |
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High-Power, Quad, Monolithic, PSE Controllers
for Power over Ethernet
______________________________________________________________________________________ 35
Setting DET_EN_/CLASS_EN_ to 1 (Table 18) enables
load detection/classification, respectively. Detection
always has priority over classification. To perform clas-
sification without detection, set the DET_EN_ bit low
and CLASS_EN_ bit high.
In manual mode, R14h works like a pushbutton. Set the
bits high to begin the corresponding routine. The bit
clears after the routine finishes.
When entering auto mode, R14h defaults to FFh. When
entering semi or manual modes, R14h defaults to 00h.
A reset or power-up sets R14h = AAAAAAAAb where A
represents the latched-in state of the AUTO input prior
to the reset.
Table 18. Detection and Classification Enable Register
ADDRESS = 14h
SYMBOL
BIT
R/W
DESCRIPTION
CLASS_EN4
7
R/W
Enable classification on port 4
CLASS_EN3
6
R/W
Enable classification on port 3
CLASS_EN2
5
R/W
Enable classification on port 2
CLASS_EN1
4
R/W
Enable classification on port 1
DET_EN4
3
R/W
Enable detection on port 4
DET_EN3
2
R/W
Enable detection on port 3
DET_EN2
1
R/W
Enable detection on port 2
DET_EN1
0
R/W
Enable detection on port 1
Table 19. Backoff and High-Power Enable Register
ADDRESS = 15h
SYMBOL
BIT
R/W
DESCRIPTION
EN_HP_ALL
7
R/W
High-power detection enabled
EN_HP_CL6
6
R/W
Class 6 PD high-power enabled
EN_HP_CL5
5
R/W
Class 5 PD high-power enabled
EN_HP_CL4
4
R/W
Class 4 PD high-power enabled
BCKOFF4
3
R/W
Enable cadence timing on port 4
BCKOFF3
2
R/W
Enable cadence timing on port 3
BCKOFF2
1
R/W
Enable cadence timing on port 2
BCKOFF1
0
R/W
Enable cadence timing on port 1
EN_HP_CL_, EN_HP_ALL together with CL_DISC
(R17h[2]) and ENx_CL6 (R1Ch[7:4]) are used to program
the high-power mode. See Table 3 for details.
Setting BCKOFF_ to 1 (Table 19) enables cadence tim-
ing on each port where the port backs off and waits
2.2s after each failed load discovery detection. The
IEEE 802.3af standard requires a PSE that delivers
power through the spare pairs (midspan PSE) to have
cadence timing.
A reset or power-up sets R15h = 0000XXXXb where X
is the logic AND of the MIDSPAN and AUTO inputs.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5965BCAX+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX5965BCAX+T | 制造商:Maxim Integrated Products 功能描述:HIGH-POWER, QUAD, MONOLITHIC, PSE CONTROLLERS FOR POWER OVER - Tape and Reel |
| 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 |
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