MAX5941ACSE+T

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Power Over Ethernet (PoE) Controllers are designed to deliver DC power over traditional data cables to powered devices, such as telephone systems, surveillance cameras, and wireless access points. The MAX5941ACSE+T is a low-cost fully integrated programmable High-Voltage (HV) PoE PD controller that helps reduce external components and system complexity. This device is ideal for Power Sourcing Equipment (PSE) application in the high-voltage PoE and PoE+ market.

The MAX5941ACSE+T PD controller provides an efficient solution for delivering up to 44W of power to a compliant Base-T Ethernet equipment, such as VoIP phones, IP cameras and wireless access points. It operates from an input supply from 4.6V to 60V, and is designed to operate as either a Superimposed Auxiliary Power or a DC Phantom power source. It is compliant with the IEEE 802.3at (PoE+) specifications and supports a wide range of powered devices up to 25.5W.

The device supports up to two ports of PoE and up to four classifications. It also supports an industry-standard virtual power negotiation process, which simplifies the power sourcing equation and lowers system cost. The device also features in-IP communication interface to report power measurements and system information, making it suitable for applications requiring the utmost in reliability.

The MAX5941ACSE+T operates on a low-power operating profile and includes features such as brownout/overvoltage protection and a thermal shutdown. It has a single-ended output voltage of up to 60V and a low-noise Active PFC feature, allowing for robust operation. The MAX5941ACSE+T also provides a flexible system architecture, allowing customers to choose from a wide range of PoE tools and system configurations.

The MAX5941ACSE+T provides a fully integrated solution for PSE applications and has been designed to contain all the necessary digital and analog circuits in a single package. This eliminates the need for external protection components, freeing up space and reducing system complexity. Additionally, the device is designed to allow for easy implementation of digital control of the power output and it also allows for easy implementation of EMI filter components.

The MAX5941ACSE+T is a cost-effective solution for delivering power over Ethernet and is ideal for a variety of applications, including VoIP phones, surveillance cameras, wireless access points, industrial equipment, and retail checkout systems. The device supports a wide range of powered devices and provides an integrated solution for PSE applications. It also features an efficient operating profile, brownout/overvoltage protection, a thermal shutdown feature, and a low-noise active PFC feature.

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