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参数资料
| 型号： | MAX5965BUAX+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 30/54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
30 ______________________________________________________________________________________
If the port remains in current limit or the PGOOD condi-
tion is not met at the end of the startup period, the port
shuts down and the corresponding STRT_FLT_ is set to
1. A 1 in any of the STRT_FLT_ bits forces R00h[6] to 1.
IVC_ is set to 1 whenever the port current exceeds the
maximum allowed limit for the class (determined during
the classification process). A 1 in any of IVC_ forces
R00h[6] to 1. When the CL_DISC (R17h[2]) is set to 1,
the port also limits the load current according to its
class as specified in the Electrical Characteristics table.
As with any of the other events register, the startup
event register has two addresses. When read through
the R08h address, the content of the register is left
unchanged. When read through the CoR R09h
address, the register content is cleared. A reset sets
R08h/R09h = 00h.
Table 10. Fault Event Register
ADDRESS
06h
07h
SYMBOL
BIT
R/W
R/W
DESCRIPTION
LD_DISC4
7
R
CoR
Disconnect on port 4
LD_DISC3
6
R
CoR
Disconnect on port 3
LD_DISC2
5
R
CoR
Disconnect on port 2
LD_DISC1
4
R
CoR
Disconnect on port 1
IMAX_FLT4
3
R
CoR
Overcurrent on port 4
IMAX_FLT3
2
R
CoR
Overcurrent on port 3
IMAX_FLT2
1
R
CoR
Overcurrent on port 2
IMAX_FLT1
0
R
CoR
Overcurrent on port 1
Table 11. Startup Event Register
ADDRESS
08h
09h
SYMBOL
BIT
R/W
R/W
DESCRIPTION
IVC4
7
R
CoR
Class overcurrent flag for port 4
IVC3
6
R
CoR
Class overcurrent flag for port 3
IVC2
5
R
CoR
Class overcurrent flag for port 2
IVC1
4
R
CoR
Class overcurrent flag for port 1
STRT_FLT4
3
R
CoR
Startup failed on port 4
STRT_FLT3
2
R
CoR
Startup failed on port 3
STRT_FLT2
1
R
CoR
Startup failed on port 2
STRT_FLT1
0
R
CoR
Startup failed on port 1
LD_DISC_ is set high whenever the corresponding port
shuts down due to detection of load removal.
IMAX_FLT_ is set high when the port shuts down due to
an extended overcurrent event after a successful start-
up. A 1 in any of the LD_DISC_ bits forces R00h[2] to 1.
A 1 in any of the IMAX_FLT_ bits forces R00h[5] to 1.
As with any of the other events register, the fault event
register has two addresses. When read through the
R06h address, the content of the register is left
unchanged. When read through the CoR R07h
address, the register content is cleared. A reset sets
R06h/R07h = 00h.
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