Ejemplo de código o demostración
TPS23882
Controlador PoE PSE de tipo 3, de 2 pares y 8 canales con SRAM y Rsense de 200 mΩ
Hoja de datos
TPS23882
- IEEE 802.3bt PSE solution for PoE 2 Type-3 2-Pair Power Over Ethernet applications
- Compatible with TI’s FirmPSE system firmware
- SRAM Programmable memory
- Programmable power limiting accuracy ±3%
- 200-mΩ Current sense resistor
- Legacy PD capacitance measurement
- Selectable 2-pair port power allocations
- 4 W, 7 W, 15.4 W, or 30 W
- Dedicated 14-bit integrating current ADC per port
- Noise immune MPS for DC disconnect
- 2% Current sensing accuracy
- 1- or 3-Bit fast port shutdown input
- Auto-class discovery and power measurement
- Never Fooled 4-Point detection
- Inrush and operational foldback protection
- 425-mA and 1.25-A Selectable current limits
- Port re-mapping
- 8-Bit or 16-bit I2C communication
- Flexible processor controlled operating modes
- Auto, semi auto and manual / diagnostic
- Per Port voltage monitoring and telemetry
- –40°C to +125°C Temperature operation
The TPS23882 is an 8-channel power sourcing equipment (PSE) controller engineered to insert power onto Ethernet cables in accordance with the IEEE 802.3bt standard. The PSE controller can detect powered devices (PDs) that have a valid signature, complete mutual identification, and apply power.
The TPS23882 improves on the TPS2388 with reduced current sense resistors, SRAM programmability, programmable power limiting, capacitance measurement, and compatibility with TI’s FirmPSE system firmware (see Device Comparison Table).
Programmable SRAM enables in-field firmware upgradability over I2C to ensure IEEE compliance and interoperability with the latest PoE enabled devices. Dedicated per port ADCs provide continuous port current monitoring and the ability to perform parallel classification measurements for faster port turn on times. A 1.25-A port current limit and adjustable power limiting allows for the support of non-standard applications above 60-W sourced. The 200-mΩ current sense resistor and external FET architecture allow designs to balance size, efficiency, thermal and solution cost requirements.
Port remapping and pin-to-pin compatibility with the TPS2388, TPS23880, and TPS23881 devices eases migration from previous generation PSE designs and enables interchangeable 2-layer PCB designs to accommodate different system PoE power configurations.
Se encuentran disponibles el asesoramiento sobre el producto TPS23882 y la descarga del firmware más reciente. Solicitar ahora
El firmware del sistema FirmPSE de TI, la GUI, el protocolo de interfaz de Host y el asesoramiento sobre FirmPSE están disponibles. Solicitar ahora
Documentación técnica
No se encontraron resultados. Borre su búsqueda y vuelva a intentarlo.
Ver todo 7 | Tipo | Título | Fecha | ||
|---|---|---|---|---|
| * | Data sheet | TPS23882 Type-3 2-Pair 8-Channel PoE 2 PSE Controller with SRAM and 200 mΩ RSENSE datasheet (Rev. D) | PDF | HTML | 14 ago 2020 |
| Application brief | How to Load TPS2388x SRAM and Parity Code Over I2C (Rev. E) | PDF | HTML | 20 abr 2023 | |
| Application brief | Choosing PoE PSE System Software Solutions | PDF | HTML | 03 ago 2021 | |
| Test report | TPS23882 SIFOs 802.3bt Conformance Test Report | 29 ene 2020 | ||
| Technical article | Get more out of your power supply with port power management | PDF | HTML | 11 nov 2019 | |
| Analog Design Journal | Challenges and solutions for PoE systems in Ethernet switches | 30 sep 2019 | ||
| EVM User's guide | TPS23882EVM: PoE, PSE, TPS23882 Evaluation Module | 24 jun 2019 |
Diseño y desarrollo
Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.
Placa de evaluación
BOOST-PSEMTHR8-097 — Placa base PSE TPS23882 tipo 3, de 30 W y 2 pares para sistemas PSE de 8 puertos
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 (...)
Guía del usuario: PDF
Placa de evaluación
PSEMTHR24EVM-081 — Placa base para sistema PSE de 24 puertos compatible con IEEE 802.3bt
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.
Tarjeta secundaria
PSEMCUDAUEVM-082 — Tarjeta secundaria MCU para sistema PSE de 24 puertos compatible con IEEE 802.3bt
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 (...)
Tarjeta secundaria
TPS23882EVM-008 — Tarjeta secundaria PSE TPS23882 tipo 3, de 30 W y 2 pares para sistemas PSE de 8 puertos
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:
The full PoE Evaluation ecosystem includes the following:
Guía del usuario: PDF
Tarjeta secundaria
TPS23882EVM-084 — Tarjeta secundaria PSE TPS23882 tipo 3, de 30 W y 2 pares para sistemas PSE de 24 puertos
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 (...)
GUI para el módulo de evaluación (EVM)
SLVC772 — TPS2388x EVM GUI
Productos y hardware compatibles
Productos
Equipos de alimentación
Desarrollo de hardware
Placa de evaluación
Tarjeta secundaria
Kit de desarrollo
Herramienta de simulación
PSPICE-FOR-TI — PSpice® para herramienta de diseño y simulación de 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 (...)
Diseños de referencia
TIDA-050026-23882 — Diseño de referencia de equipos de fuente de alimentación de 24 puertos (PoE 2, 2 pares) para aplica
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 (...)
| Paquete | Pasadores | Descargar |
|---|---|---|
| VQFN (RTQ) | 56 | Ver opciones |
Pedidos y calidad
Información incluida:
- RoHS
- REACH
- Marcado del dispositivo
- Acabado de plomo/material de la bola
- Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
- Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
- Contenido del material
- Resumen de calificaciones
- Monitoreo continuo de confiabilidad
Información incluida:
- Lugar de fabricación
- Lugar de ensamblaje
Los productos recomendados pueden tener parámetros, módulos de evaluación o diseños de referencia relacionados con este producto de TI.
Soporte y capacitación
Foros de TI E2E™ con asistencia técnica de los ingenieros de TI
El contenido lo proporcionan “tal como está” TI y los colaboradores de la comunidad y no constituye especificaciones de TI. Consulte los términos de uso.
Si tiene preguntas sobre la calidad, el paquete o el pedido de productos de TI, consulte el soporte de TI.