The TPS23841PJDR, manufactured by Texas Instruments, is a robust Power over Ethernet (PoE) Power Sourcing Equipment (PSE) controller designed for multi-port, high-power applications. This advanced integrated circuit is tailored for network switches, injectors, and midspans that require efficient power management and distribution over Ethernet cables to powered devices (PDs), such as IP cameras, wireless access points, and VoIP phones.
Key Features
- IEEE 802.3at Compliant: The device adheres to the IEEE 802.3at standard for PoE, ensuring compatibility with the latest high-power devices requiring up to 30W per port.
- Quad-Port Integration: It can control up to four PoE ports, making it a cost-effective solution for multi-port applications.
- Advanced Power Management: The TPS23841PJDR includes sophisticated power management features such as port power limiting, dynamic power allocation, and power prioritization.
- Auto Maintain Power Signature (AMPS): This feature allows the PSE to maintain power delivery to a PD during a power cycle, enhancing system reliability.
- Robust Protection: The device offers protection against overcurrent, undercurrent, overvoltage, and thermal events, ensuring safe and reliable operation.
- Programmable Power Classification: It allows for programmable power classification signals as per the PoE standard, enabling flexible power budgeting for various PDs.
Applications
- Enterprise Networking Switches
- Industrial Ethernet Switches
- Networked Security Cameras
- Wireless Access Points
- VoIP Phone Systems
Technical Specifications
| Parameter |
Value |
| Package/Case |
HTQFP-80 |
| Operating Temperature |
-40°C to +125°C |
| Input Voltage |
57 V |
| Standards |
IEEE 802.3at (PoE+), IEEE 802.3af (PoE) |
With its high level of integration and feature-rich design, the TPS23841PJDR is an ideal choice for network administrators and product designers looking to streamline the deployment of PoE solutions while ensuring compliance with industry standards and robust operation.