參數(shù)資料
型號: MAX5922AEUI+
廠商: Maxim Integrated
文件頁數(shù): 14/21頁
文件大?。?/td> 437K
描述: IC NETWORK PWR SW +48V 28-TSSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 50
類型: 以太網(wǎng)供電開關(guān)(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):
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: 28-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 28-TSSOP
包裝: 管件
產(chǎn)品目錄頁面: 1411 (CN2011-ZH PDF)
+48V, Single-Port Network Power Switch
For Power-Over-LAN
14   ______________________________________________________________________________________
OUT
AGND_S
27, 28
7
INTERNAL TO MAX5922
V
PROBE_VOLTAGE
I
MAX
 = 1.5mA
D1
R
PD
POWER DEVICE
Figure 3. PSE Detection Source
INCREMENT
OVERCURRENT
COUNTER
N
N
Y
N
Y
N
EN = HIGH?
RESET
POWER-ON
N
Y
N
t
ZCDEL
= 350ms?
 
Y
Y
Y
N
N
N
N
Y
Y
N
Y
Y
N
Y
N
Y
N
Y
Y
OVERCURRENT
= HIGH
OVERCURRENT
COUNTER = 60?
 
START POWER-UP
RESET FAULT, ZC
OVERCURRENT
DETECTED
N
Y
RESET
OVERCURRENT
COUNTER
Y
VOUT - VIN < VTHPOK?
VIN > UVLOTH?
EN = LOW?
LATCH = HIGH?
t
RESTART
ELAPSED
SWITCH
SHUT-OFF
FAULT = LOW
THERMAL
SHUTDOWN
DETECTED?
SWITCH
SHUT-OFF
ZC = LOW
RESET t
ZCDEL
INCREMENT
t
ZCDEL
RESET
t
ZC_DEG
IS I
OUT
 < I
ZCTH
?
POK HIGH
AFTER t
POK_DLY
LOW TO HIGH
INCREMENT
t
ZC_DEG
t
ZC_DEG
 = 10ms?
RESET
t
ZC_DEG
t
ZCDEL
 
EN LOW
TO HIGH
TRANSACTION
DETECTED?
POK LOW
AFTER tPOK_DLY
HIGH TO LOW
ZC_EN = HIGH?
IS POK HIGH?
Figure 4. Operational Flow Chart (MAX5922B/MAX5922C with DET_DIS Connected High)
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MAX5922AEUI+ 功能描述:熱插拔功率分布 48V Single-Port Network Power Switch 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
MAX5922AEUI+T 功能描述:熱插拔功率分布 48V Single-Port Network Power Switch 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
MAX5922AEUI-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
MAX5922BEUI 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
MAX5922BEUI+ 功能描述:熱插拔功率分布 48V Single-Port Network Power Switch 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