MAX5965BEAX+

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Introduction

Power over Ethernet (PoE) Controllers are widely used for enabling cost-effective, reliable power sources for electronic devices over a standard Ethernet cable. Among the most popular PoE Controllers, MAX5965BEAX+ stands out for its excellent power delivery and wide range of application field in various Ethernet applications. This paper is to provide an overview of MAX5965BEAX+ application field and working principle.

Detailed Features of MAX5965BEAX+

MAX5965BEAX+ is an advanced 6-channel PoE Controller which supports up to 96-watt power delivery and 8-ports of Class 2, 4 and 8. The device is designed for high current output and has the ability to provide up to 15A output current for all the channels combined. This makes the device ideal for powering various higher power end-devices.

The device also features an on-chip power supply clamp supervisor for monitoring the fault condition of the downstream port. This allows the device to quickly detect and report fault conditions in real time, ensuring safe and efficient power delivery.

With an integrated thermal shutdown and over temperature protection, the device can withstand high temperatures up to +125°C without any degradation. This makes the device suitable for high temperature applications such as in industrial and automotive environments.

The device also comes with integrated PMBus support and a plethora of I/O control options. With PMBus, users can easily monitor, control and configure the device as per their needs. In addition, the device is provided with a range of modular power controllers to generate stable and repeatable power delivery.

MAX5965BEAX+ Application Field

MAX5965BEAX+ is ideal for use in various PoE applications such as in IP phones, cameras, media players and other Ethernet-based devices. The device can also be used for powering commercial, industrial and automotive systems, as it supports a wide operating temperature range.

The device’s high current output (up to 15A) makes it suitable for applications such as power over Ethernet switches, storage systems, access points and distributed antenna systems. The device can also be used for powering non-PoE applications such as wetting sensors, LEDs, security systems and electronics.

MAX5965BEAX+ Working Principle

MAX5965BEAX+ is based on the IEEE 802.3at protocol, which is the latest standard for Ethernet-based Power over Ethernet (PoE) applications. The device is designed to work with an external step-down converter to supply power over Ethernet cables. The device takes the form of an adapter that plugs into an Ethernet device, then provides the necessary power to it.

The MAX5965BEAX+ PoE Controller features an on-chip power supply clamp supervisor, allowing it to rapidly detect fault conditions in real-time. The device also comes with an integrated thermal shutdown and over temperature protection, allowing it to operate reliably in harsh industrial environments.

The device also supports PMBus, which enables users to easily monitor and control the device. PMBus allows users to configure the settings of the device, including the maximum output current, the voltage slew rates, and the soft-start current limit.

Conclusion

In summary, MAX5965BEAX+ is an advanced 6-channel PoE Controller that works as an adapter for supplying power over Ethernet cables. The device features an on-chip power supply clamp supervisor for monitoring and fault conditions, PMBus support and an integrated thermal shutdown and over temperature protection. The device is ideal for a wide range of Ethernet-based applications, including storage systems, IP phones, access points and distributed antenna systems.

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