參數(shù)資料
型號(hào)： MAX5935EAX+
廠商： Maxim Integrated
文件頁(yè)數(shù)： 25/44頁(yè)
文件大?。?/td> 700K
描述： IC CTRLR POWER QUAD 36-SSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 30
類型： 以太網(wǎng)供電控制器（PoE）
應(yīng)用： 遠(yuǎn)程外設(shè)（工業(yè)控制，相機(jī)，數(shù)據(jù)訪問）
內(nèi)部開關(guān)： 無
電源電壓： -32 V ~ -60 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(yīng)商設(shè)備封裝： 36-SSOP
包裝： 管件
read through the R08h address, the content of the reg-
ister is left unchanged. When read through the CoR
R09h address, the register content will be cleared. A
reset sets R08h/R09h = 00h.
The MAX5935 continuously monitors the power supplies
and sets the appropriate bits in the supply event register
(Table 11). V
DD_OV
/V
EE_OV
is set to 1 whenever
V
DD
/V
EE
exceeds   its   overvoltage   threshold.
V
DD_UV
/V
EE_UV
is set to 1 whenever V
DD
/V
EE
falls below
its undervoltage threshold.
OSC_FAIL is set to 1 whenever the amplitude of the
oscillator signal at the OSC_input falls below a level
that might compromise the AC disconnect detection
function. OSC_FAIL generates an interrupt only if at
least one of the ACD_EN (R13h[7:4]) bit is set high.
A thermal shutdown circuit monitors the temperature of
the die and resets the MAX5935 if the temperature
exceeds +150癈. TSD is set to 1 after the MAX5935
returns to normal operation. TSD is also set to 1 after
every UVLO reset.
When V
DD
and/or |V
EE
| is below its undervoltage-lock-
out (UVLO) threshold, the MAX5935 is in Reset mode
and securely holds all ports off. When V
DD
and |V
EE
|
rise to above their respective UVLO thresholds, the
device comes out of reset as soon as the last supply
Quad Network Power Controller
for Power-Over-LAN
______________________________________________________________________________________   25
ADDRESS =
08h
09h
SYMBOL
BIT
R/W
R/W
DESCRIPTION
IV  4
7
R
CoR
l
v  r   rr  n  fl    f  r    r  4
IVC3
6
R
CoR
Class overcurrent fla   for   ort 3
IVC2
5
R
CoR
Class overcurrent fla   for   ort 2
IV  1
4
R
CoR
l
v  r   rr  n  fl    f  r    r  1
STRT_FLT4
3
R
CoR
Startu   failed on   ort 4
STRT_FLT3
2
R
CoR
Startu   failed on   ort 3
STRT_FLT2
1
R
CoR
Startu   failed on   ort 2
STRT_FLT1
0
R
CoR
Startu   failed on   ort 1
Table 10. Startup Event Register
ADDRESS =
0Ah
0Bh
SYMBOL
BIT
R/W
R/W
DESCRIPTION
TSD
7
R
CoR
Overtem  erature shutdown
V
6
R
CoR
V
v  rv  l
n  i i  n
V
DD   V
5
R
CoR
V
DD
 undervolta  e condition
V
4
R
CoR
V
n   rv  l
-l   k
n  i i  n
V
3
R
CoR
V
v  rv  l
n  i i  n
V
EE   V
2
R
CoR
V
EE
 undervolta  e condition
FAIL
1
R
CoR
ill    r  m  li
i
l  w limi
V
DD   VL
0
R
CoR
V
DD
 undervolta  e-lockout condition
Table 11. Supply Event Register
ADDRE    =    h   Dh   Eh   Fh
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_[2]
1
R
DET_[1]
DET_ST_
0
R
DET_[0]
Table 12. Port Status Registers
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MAX5935EAX+ 功能描述:熱插拔功率分布 Quad Network Power Controller RoHS:否 制造商:Texas Instruments 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5935EAX+T 功能描述:熱插拔功率分布 Quad Network Power Controller RoHS:否 制造商:Texas Instruments 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5935EAX-T 功能描述:熱插拔功率分布 RoHS:否 制造商:Texas Instruments 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5936AAESA 功能描述:熱插拔功率分布 RoHS:否 制造商:Texas Instruments 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5936AAESA+ 功能描述:熱插拔功率分布 48V- Hot-Swap Controller RoHS:否 制造商:Texas Instruments 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
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