TPS2377PWR

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Power over Ethernet (PoE) controllers offer a powerful way of powering Ethernet devices. The Texas Instruments TPS2377PWR PoE controller is a powerful and cost-effective solution for providing power over Ethernet. It is a controller designed to regulate the power and voltage supplied to Ethernet devices. TPS2377PWR allows up to 7W of power to be delivered over an Ethernet line.

Applications of the TPS2377PWR Controller include the powering of remote Ethernet access points, IP cameras, VoIP phones, and other Ethernet-enabled devices. The TPS2377PWR is specifically tailored for applications requiring reliable, low cost and high efficiency power delivery, such as 802.3af compliant products. It also is ideal for 802.3at applications, which require twice the power delivery of 802.3af compliant products.

The TPS2377PWR is a single-channel PoE controller with an integrated IEEE 802.3af compliant communication interface. It features an on-board DC-DC converter, voltage regulator, and over-voltage protection. The TPS2377PWR also offers power limiting and protection against over-current, over-voltage and over-temperature. It provides flexible system control and protection to Ethernet devices.

The TPS2377PWR controller is based on a switching regulator architecture that combines high efficiency with low noise operation. The controller supports the IEEE802.3af Power over Ethernet (PoE) standard and is capable of providing up to 7W of power over an Ethernet line. The TPS2377PWR provides an isolated DC/DC converter to supply up to 5.8V to the Ethernet device.

In addition to providing power, the TPS2377PWR also implements Power Management (PM) as defined in the IEEE 802.3af standard. PM consists of an Auto Detection process that communicates the available power to the Ethernet device. The Power Management feature detects and communicates the available power on the Ethernet line. When the power is sufficient (AF/AT mode) the TPS2377PWR enables the DC/DC converter, allowing power to be supplied to the Ethernet device.

The TPS2377PWR controller has a wide operating temperature range of -40°C to +85°C. It supports standard communication protocols, including MDI/MDIX auto sensing, Auto Link Negotiation, MLT-3 coding, and Link FaultPass Through. It also includes an Ethernet data scramble feature that ensures accurate management of communication packets.

The TPS2377PWR controller is a cost-effective and efficient solution for providing Power over Ethernet. Its feature set includes high performance, low noise operation, and an integrated PM feature. The controller is ideal for providing power to Ethernet enabled devices and is compliant with the IEEE 802.3af standard.

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