TPS23754PWPR-1

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The Texas Instruments TPS23754PWPR-1 controller is a 24-port Power Over Ethernet (PoE) controller that provides a complete and updateable PoE solution for up to 24 10/100 Mbps Ethernet ports. This device is suitable for applications such as Ethernet switching, surveillance systems, smart energy meters, and industrial automation. Its features make it ideal for managing and monitoring power to Ethernet ports.

Functionality

The TPS23754PWPR-1 controller provides a complete and updateable PoE solution for up to 24 10/100 Mbps Ethernet ports. It allows configurable remote power delivery up to 24 ports. The PoE system supports both the IEEE802.3at (Type 2) and the IEEE802.3af (Type 1) standards, and allows for the use of both classes of PD devices. Additionally, it provides a flexible current budgeting system and includes configuration options for PoE power limitation and port enable/disable.

This controller also offers protection for both the system and for external devices. This includes overload protection, short circuit protection, and undervoltage protection. Furthermore, it incorporates two integrated LDOs which provide regulated supply voltages for the PoE controller and other components in the system.

Performance

The TPS23754PWPR-1 controller provides excellent performance for its application field. It has a low power current budgeting system and has configurable port budgeting. This allows for more power to be allocated to specific ports if needed. Additionally, it has a wide voltage range of 4.5V to 57V and can support up to 30W power output.

The controller also has low power consumption for both the internal circuitry and for the external PD devices. It also has a total system power limit of up to 600W and secure operation mode for secure power delivery. Furthermore, it includes a set of monitoring features, such as port status and system status LEDs, which allows for easy monitoring of the system.

References

1. TPS23754PWPR-1 Datasheet
2. TPS23754PWPR-1 page

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