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Product details

Parameters

Vin (Min) (V) 44 Vin (Max) (V) 57 ILIM Programmable PoE standards supported 802.3at Type 1 (802.3af), 802.3at Type 2, 802.3bt Type 3 FET External MPS method DC Disconnect Pair control 2-Pair Alt A Operating temperature range (C) -40 to 125 Features Auto Mode, Current Limit with Foldback, Fast shutdown, Multi Level Port Priority, Over Current Reporting, Over Temp Reporting, Port remapping, Programmable PCUT, Programmable Port Power Limiting, SRAM Programmable Number of PSE ports 8 open-in-new Find other Power sourcing equipment

Package | Pins | Size

VQFN (RTQ) 56 64 mm² 8 x 8 open-in-new Find other Power sourcing equipment
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Information

TPS23882 product advisory and latest firmware download are available. Request now

TI’s FirmPSE System Firmware, GUI, Host Interface Protocol and FirmPSE advisory is available. Request now

Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet TPS23882 Type-3 2-Pair 8-Channel PoE PSE Controller with SRAM and 200 mΩ RSENSE datasheet (Rev. D) Aug. 14, 2020
User guide TPS23882 SIFOs 802.3bt Conformance Test Report Jan. 29, 2020
Technical articles Get more out of your power supply with port power management Nov. 11, 2019
Application note Challenges and solutions for PoE systems in Ethernet switches Sep. 30, 2019
Application note How to Load TPS2388x SRAM and Parity Code over I2C (Rev. C) Sep. 17, 2019
User guide TPS23882EVM: PoE, PSE, TPS23882 Evaluation Module Jun. 24, 2019
Technical articles Mutual ID and its effect on backwards compatibility Nov. 07, 2014
Technical articles Simplify your PCB layout - When 2 is better than 6 Sep. 19, 2014
Technical articles Proper Detection is Important, No Fooling! Sep. 05, 2014

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
199
Description
This motherboard is the base board for the PSE Controller ecosystem. The octal channel, TPS23882, IEEE 802.3bt ready PoE PSE controller can be evaluated by using the motherboard (BOOST-PSEMTHR8-097) and TPS23882EVM daughter card (TPS23882EVM-008) (sold separately). The full PoE Evaluation ecosystem (...)
Features
  • 8 port PoE PSE system
  • Highly flexible system with configurable GUI and host interface
  • Low-cost solution
  • IEEE 802.3bt ready
EVALUATION BOARD Download
Description

PSEMTHR24EVM-081 is the base board for the TPS23881 and TPS23882 PSE controllers. This board contains 24 2-Pair / 4-Pair ports that can that can be used to send up to 30W/port for IEEE 802.3at applications and up to 90W/port for IEEE 802.3bt applications.

Features
  • 24 port PoE PSE system and expandable to 48 ports
  • Highly flexible system with configurable GUI and host interface
  • Multiport power management
  • IEEE802.3bt compliance
  • Mutiple power supplies
  • Supporting legacy powered devices
DAUGHTER CARD Download
199
Description

PSEMCUDAUEVM-082 is the MSP430 MCU daughter card for TI's 24-port reference designs with the TPS23881 and TPS23882. This board combined with the GUI enables FirmPSE which is TI's production ready system firmware that can deliver system features such as port power management and the use of multiple (...)

Features
  • 24 port PoE PSE system and expandable to 48 ports
  • Highly flexible system with configurable GUI and host interface
  • Multiport power management
  • IEEE 802.3bt compliance
  • Mutiple power supplies
  • Supporting Legacy PD
DAUGHTER CARD Download
Description
The TPS23882EVM-008 daughter card features an 8 channel, IEEE 802.3bt ready (Type-3, 30W) 2-Pair PSE controller. When paired with the BOOST-PSEMTHR8-097 motherboard and an MSP430 Launchpad, users can evaluate a multiple-port PSE system.

The full PoE Evaluation ecosystem includes the following:
Features
  • 8 port PoE PSE system
  • Highly flexible system with configurable GUI and host interface
  • Low-cost solution
  • IEEE 802.3bt ready
DAUGHTER CARD Download
Description

TPS23882EVM-084 is a 24-port (24-channel) daughter card used to evaluate the TPS23882 which is a 2-pair, type-3, 8-channel Power-over-Ethernet (PoE) PSE with 200mΩ sense resistor. This daughter card provides evaluation and reference circuitry for the TPS23882 in high port count applications (...)

Features
  • 24 port PoE PSE system and expandable to 48 ports through edge connectors
  • Highly flexible system with configurable GUI and host interface
  • Multiport power management
  • IEEE 802.3bt ready
  • Mutiple power supplies
  • Supporting Legacy PD

Software development

CODE EXAMPLE OR DEMO Download
SLVC790.ZIP (1143 KB)
GUI FOR EVALUATION MODULE (EVM) Download
SLVC772B.ZIP (85157 KB)

Design tools & simulation

SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)

Reference designs

REFERENCE DESIGNS Download
24-port (PoE 2, 2-pair) power sourcing equipment reference design for multi-port applications
TIDA-050026-23882 — This reference design showcases a Type-3, 30W, 2-Pair 24-port Ethernet switch for Power over Ethernet (PoE) applications which can send up to 30W per port for IEEE 802.3bt Type 3 applications and up to 60W per port for non-standard applications. Based on the MSP430F523x family, TI's TPS2388x FirmPSE (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
QFN (RTQ) 56 View options

Ordering & quality

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  • MSL rating/Peak reflow
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  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

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