SI3400-BZ-GM

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Power over Ethernet (PoE) technology is one of the most important advancements in data and communication system designs. The main idea behind PoE is to supply power directly to networked devices such as Voice over IP (VoIP) phones, IP cameras or Wi-Fi access points using the existing Ethernet infrastructure. This simplifies the installation process and eliminates the need for costly power supply units. With PoE, data and power can be sent over one cable to connected devices with no additional cabling.

The SI3400-BZ-GM is a power management integrated circuit (PMIC) designed to control the power of PoE-enabled devices. It combines a highly efficient buck regulator and a multitude of features that enable it to quickly, safely and reliably deliver power over Ethernet. The SI3400-BZ-GM offers a wide range of features and benefits that make it ideal for PoE applications.

The SI3400-BZ-GM is designed to provide maximum reliability and power efficiency for PoE applications. It offers a high level of integration to reduce costs and complexity in a system design. The device works by regulating the incoming PoE power to the specific requirements of the connected device. It accepts power from an external power source such as a standard Power over Ethernet (PoE) midspan or endspan, or a power supply unit (PSU). The voltage is then regulated to the required output voltage level for the connected device.

The SI3400-BZ-GM includes two buck regulators and two integrated Power over Ethernet (PoE) controllers. The buck regulator is designed to deliver up to 30W of power and is suitable for powering a wide range of PoE applications. The integrated PoE controllers automatically detect and classify power devices connected to the system. They provide protection against short circuits, overcurrent and overvoltage conditions. The onboard controllers also provide a simple and flexible way to configure the system.

In addition to the power management features, the SI3400-BZ-GM also offers advanced features such as an integrated high-side MOSFET current sensing circuit and support for a wide range of software and hardware features. The integrated MOSFET current sensing circuit allows for precise current monitoring, which is important for maintaining efficiency and reliability of the system. The device also supports various software features such as power-shifting, pulse-width modulation, brown-out protection and overload protection.

Overall, the SI3400-BZ-GM is an ideal solution for PoE applications. The device offers a high degree of integration, low cost and flexibility to meet the requirements of even the most demanding applications. With its advanced features, it is sure to become a popular choice for many PoE-enabled systems.

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