TPS2377PW

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Power over Ethernet (PoE) is an increasingly popular technology used in a wide variety of applications including voice, video and data streaming. It is an efficient way of providing power and data transmission over a single cable, allowing more devices to be connected together in a network without the need to run additional power cables. A PoE controller such as the TPS2377PW is the essential component needed for managing the power and data flow for devices on a network that are powered with PoE.

The TPS2377PW is part of a family of low voltage PoE controllers from Texas Instruments. It is a programmable, bidirectional PoE controller that supports all the features of the IEEE802.3af and IEEE802.3at standards, enabling it to work with today’s advanced PoE networks. It provides seamless integration with power sourcing equipment (PSE) that complies with the standards, including midspan or endpoint injectors, as well as PoE-enabled switches.

The TPS2377PW has a wide operating voltage range and is designed to be reliable in the most demanding environments. It provides system protection against short circuits and overloads, and enables the detection and classification of both powered devices (PD) and power sourcing equipment (PSE). The device also features adjustable current limit settings, adjustable output voltage, and programmable overvoltage protection.

The TPS2377PW has a range of applications, including VoIP phones, wireless access points, IP cameras, and other Ethernet-connected devices. It is best suited for powering Ethernet-connected devices such as computers, printers and IP phones, or any device that requires an Ethernet connection. It can also be used for powering energy efficient devices, such as LED lighting, without the need for an external power supply.

The TPS2377PW is easy to use and its working principle is straightforward. It can be used to power a wide range of devices with a variety of currents, from 15.4 W (for 802.3af/at compliant devices) up to 25.5 W (for non-compliant devices). When connecting a device to the PoE controller, the device is detected and classified, and the current and voltage limit settings are adjusted accordingly. The power levels are then monitored, ensuring safe operation and protection of the network and connected devices, even in cases of overload conditions.

In addition, the TPS2377PW also provides an array of diagnostics and other features designed to optimize performance and reliability. These include status and alarm outputs, LED indicators, as well as an integrated surge protection circuitry that ensures that electrical pulses are filtered out before they reach equipment.

The TPS2377PW from Texas Instruments is an intelligent, reliable and efficient PoE controller with a wide range of applications. It is the perfect solution for managing power and data transmission for PoE applications, providing reliable, long-term protection and optimization of network infrastructure and connected devices.

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