Overview
The TPS23754PWPR from Texas Instruments is a highly integrated power-over-ethernet (PoE) interface and DC-DC controller, designed to meet the IEEE 802.3at standard. This device combines a PoE powered-device (PD) interface with a current-mode DC-DC controller, optimized for isolated converter topologies. It is particularly suited for applications requiring high efficiency and robust power management, such as networking equipment, security cameras, and industrial automation.
Key Specifications
| Parameter | Description |
|---|---|
| Package | HTSSOP-20 (PowerPAD™) |
| Pins | 20 |
| Junction Temperature Range | –40°C to 125°C |
| Hotswap MOSFET | Robust 100-V, 0.5-Ω |
| Input Voltage Range | 24 V - 60 V |
| Converter Start-Up Voltage | 15 V |
| Power Rating | Up to 30-W (Input) PDs |
| Classification | Enhanced classification per IEEE 802.3at with status flag |
| ORing Support | Highest voltage, external adapter preference, and PoE preference |
| Frequency | Programmable frequency with synchronization |
Key Features
- Combined PoE PD interface and current-mode DC-DC controller optimized for isolated converters.
- Compliant with IEEE 802.3at standard for high-power PoE applications.
- Supports high-efficiency topologies.
- Enhanced hardware classification for compatibility with high-power midspan power sourcing equipment (PSE).
- Input voltage ORing options: highest voltage, external adapter preference, and PoE preference.
- Programmable frequency with synchronization.
- Robust 100-V, 0.5-Ω hotswap MOSFET.
- Industry-standard PowerPAD™ HTSSOP-20 package.
Applications
- Networking equipment: wireless access points, multiband access points.
- Security cameras and other surveillance devices.
- VoIP phones and video telephones.
- RFID readers.
- Industrial automation systems.
Q & A
- What is the primary function of the TPS23754PWPR?
The TPS23754PWPR is a combined power-over-ethernet (PoE) interface and current-mode DC-DC controller, optimized for isolated converter topologies.
- What standard does the TPS23754PWPR comply with?
The TPS23754PWPR complies with the IEEE 802.3at standard for high-power PoE applications.
- What is the input voltage range of the TPS23754PWPR?
The input voltage range is 24 V to 60 V.
- What is the maximum power rating of the TPS23754PWPR?
The device can power up to 30-W (Input) PDs.
- What types of classification does the TPS23754PWPR support?
The device supports enhanced hardware classification per IEEE 802.3at with a status flag.
- What are the ORing options available on the TPS23754PWPR?
The device supports highest voltage, external adapter preference, and PoE preference ORing options.
- Can the frequency of the TPS23754PWPR be programmed?
- What is the junction temperature range of the TPS23754PWPR?
The junction temperature range is –40°C to 125°C.
- What package type is the TPS23754PWPR available in?
The device is available in the industry-standard PowerPAD™ HTSSOP-20 package.
- What are some common applications of the TPS23754PWPR?
