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TPS2384

Features: Quad-Port Power Management With Integrated Switches and Sense Resistors Compliant to IEEE 802.3af Standard Operates from a Single 48-V Input Supply Individual Port 15-bit A/D Auto, Semi-Auto and Power Management Operating Modes Controlled Current Ramps for Reduced EMI and Charging of PD'...

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SeekIC No. : 004526640 Detail

TPS2384: Features: Quad-Port Power Management With Integrated Switches and Sense Resistors Compliant to IEEE 802.3af Standard Operates from a Single 48-V Input Supply Individual Port 15-bit A/D Auto, Semi-Au...

TPS2384 Data Sheet

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Part Number:
TPS2384
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

 Quad-Port Power Management With Integrated Switches and Sense Resistors
Compliant to IEEE 802.3af Standard
Operates from a Single 48-V Input Supply
Individual Port 15-bit A/D
Auto, Semi-Auto and Power Management Operating Modes
Controlled Current Ramps for Reduced EMI and Charging of PD's Bulk Capacitance
I2C Clock and Oscillator Watch Dog Timers
Over-Temperature Protection
DC and DC Modulated Disconnect
Supports Legacy Detection for Non-Compliant PD
Supports AC Disconnect
High-Speed 400-kHz I2C Interface
Comprehensive Power Management Software Available
Operating Temperature Range −40°C to 125°C


Application

 Ethernet Enterprise Switches
Ethernet Hubs
SOHO Hubs
Ethernet Mid-Spans
PSE Injectors


Pinout

Connection Diagramimu


Specifications

PARAMETER SYMBOL RATING UNITS
V10 current sourced   100 A
V3.3 current sourced   5 mA
Applied voltage on CINT#, CT, RBIAS   −0.5 to +10 V
Applied voltage on SCL_I, SDA_I, SDA_O, INTB, A1, A2, A3, A4,
A5, MS, PORB, WD_DIS, ALT_A/B, AC_LO, AC_HI		   −0.5 to +6
Applied voltage on V48, P#, N#   −0.5 to +80
Junction operating temperature TJ −40 to 125 oC
Storage temperature Tstg −55 to 150
Lead temperature (soldering, 10 sec.) Tsol 260



Description

The TPS2384 is a quad-port power sourcing equipment power manager (PSEPM) and is compliant to the Power-over-Ethernet (PoE) IEEE 802.3af standard.The TPS2384 operates from a single 48-V supply and over a wide temperature range (−40°C to +125°C). The integrated output eliminates 2 external components per port (FET and sense resistor) and will survive 100-V transient. Four individual 15-bit A/D converters are used to measure port resistance, voltage, current and die temperature making PSE solution simple and robust.The TPS2384 comes with a comprehensive software solution to meet the most demanding application which can serve as a core for all PoE system designs.




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