MAX5940DESA+T

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Power over Ethernet (PoE) is a technology that enables the transmission of power and data over a single Ethernet cable. The combination of PoE and the MAX5940DESA+T PMIC offers a low-cost, sustainable, and secure power solution for applications. The MAX5940DESA+T is comprised of two controllers, one to generate the power and one to monitor the power received. By incorporating PoE into the design, developers can expand the range of applications that a MAX5940DESA+T PMIC can be used for.

The MAX5940DESA+T provides an integrated PoE controller with an efficient power management unit to store and supply power to meet the changing power needs of connected devices or systems. Power is generated from a standard DC power supply or from another PoE device and delivered over the Ethernet cable via a 12V-or 24V-DC connector. The PMIC has a strict safety specification for maximum current (IEC 61000-3-2) and peak current (IEC 61000-3-3) control. A single output voltage of 48V is supported, allowing applications to draw power from a range of 48–74V.

The MAX5940DESA+T can also provide a wide range of additional features. The device includes a temperature sensor, a smart thermal management controller, an on-chip RTC, and a unique power budget management system to keep all connected devices under the appropriate power budget. Additionally, a hardware-lockout feature ensures secure communication and system maintenance.

The MAX5940DESA+T is an ideal solution for PoE applications. The PMIC is highly efficient, allowing applications to get the most out of their power delivery. The device also offers multiple protections, enhancing the overall system reliability and increasing the OEM\'s peace-of-mind with their design. With the MAX5940DESA+T, OEMs can develop reliable, long-lasting PoE enabled applications.

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