TPS2377DR-1

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Power Over Ethernet (PoE) Controllers are essential components that enable the delivery of power over a network cable. The TPS2377DR-1 is a non-isolated DC/DC PoE controller that is designed to reduce design complexity and quicken the time to market for new networking products. It is capable of delivering up to 55W (30V / 1.83A) of power to PoE-compliant devices and can support 4-pair line modes as well as 2-pair and single pair applications. The TPS2377DR-1 also includes robust system-level protection features such as over-voltage protection, under-voltage protection, overload protection, short circuit protection, and over-temperature protection.

The main application field of the TPS2377DR-1 is the development of products that make use of Power Over Ethernet, which are devices that receive power over the same ethernet cable that transmits data. This technology comprises of two distinct components, the power sourcing equipment (PSE) and the powered device (PD). The PSE is responsible for supplying power to the PD and the PD is responsible for consuming the power provided by the PSE. The TPS2377DR-1 is designed to be used as the PSE in PoE-compliant products, as it is capable of providing the voltage and current necessary to power the end device.

The working principle of the TPS2377DR-1 is based on DC/DC power conversion, which is the process of converting a steady DC voltage to another constant DC voltage. The TPS2377DR-1 uses an input voltage range of 10V to 28V, and is capable of supplying a variety of output voltages, such as 12V, 3.3V, and 5V, depending on the requirements of the PD being powered. The TPS2377DR-1 also features a built-in frequency-modulated current mode control, which allows it to efficiently deliver the power required while maintaining a low current loss.

The TPS2377DR-1 also features over current, over voltage, under voltage, short circuit, and over temperature protections, which allows it to operate safely in a wide variety of network environments. These protections help to guard against voltage-driven disturbances, as well as ensure that the device does not become damaged due to temperature fluctuations.

The TPS2377DR-1 provides a reliable and cost-effective solution for the development of Power Over Ethernet compliant products. Its robust system-level protection features, coupled with its ability to provide a variety of output voltages and current ratings, make it the ideal choice for PoE applications. It is a great solution for the development of PoE enabled devices, such as IP cameras, access points, and VoIP phones.

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