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參數資料
| 型號： | TPS2383PM |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL POWER SOURCING EQUIPMENT POWER MANAGER |
| 中文描述： | 八路供電設備電源管理器 |
| 文件頁數： | 1/27頁 |
| 文件大?。?/td> | 394K |
| 代理商： | TPS2383PM |
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SLUS559B APRIL 2003 REVISED JULY 2004
1
www.ti.com
FEATURES
Compliant to Power Over Ethernet IEEE
802.3af Standard
Two-Point 25-k
Resistor Discovery
Capacitive Detection for Non-Compliant
Legacy Loads
Power Classification
Controlled di/dt Ramp Power-Up and
Power-Down for EMI Reduction
Current Management for Charging Powered
Device Bulk Capacitance
Electronic Circuit Breaker
Fault detection
Input Undervoltage Lockout (UVLO)
Load Overcurrent and Undercurrent
Detection
12-Bit Port Current and Voltage Acquisition
Standard Slave I
2
C Serial Interface
5-Bit Serial Address Selectability
Discovery and/or Classification Bypass
Modes Selectable Via Register
Opto-Coupler Compatible SDA and SCL
Lines for System Ground Isolation
Dual Color LED Driver for Port Status
Hardware FAULT Interrupt
Single +48-V Supply Capable
APPLICATIONS
PoE Switches
Mid-Span Injectors
APPLICATION DIAGRAM
UDG03061
P
N
G
RS
V48
GND
TPS2383
PSE
(1 Port)
+
PPTC Fuse
RG
MSP430
Controller
Optically Coupled
I2C Serial Bus
1
2
3
6
4
5
7
8
1
2
3
6
4
5
7
8
568A
568A
brn
w/brn
w/blue
blue
blue
brn
w/brn
w/blue
org
w/org
grn
w/grn
w/grn
org
w/org
grn
Up to 350 feet of category 5 cable
48V
Supply
RJ45
RJ45
CT Choke
CT Choke
TX
RX
PD
Signature
PD
DC/DC
Supply
SWITCH/HUB
POWERED DTR
TX
RX
CT Choke
CT Choke
!
"#$
!(
!!$*
%!&
%
%%
!+
"!
"! '! !
!
)*&
$$ "!!&
%
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Copyright
1999 2004, Texas Instruments Incorporated
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| TPS23841PAPG4 | 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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