SI3404-A-GM

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Power Over Ethernet (PoE) technology is an innovative way of providing power and data over an Ethernet cable. It enables devices to be connected in a remote or hard-to-access locations that are not convenient to have an external power supply. Traditionally, each device was powered through an AC outlet and connected to the network/Internet though an Ethernet connection. PoE eliminates the need for separate installations of power and data lines by using a single Ethernet cable to transmit power and data simultaneously.

SI3404-A-GM is a Power Management Integrated Circuit (PMIC) designed specifically for Power over Ethernet (PoE) applications. It is a cost effective, fully integrated solution for PoE systems that is compliant with the IEEE 802.3af - 2003 standard. The SI3404-A-GM is capable of providing up to 15.4 Watts of power for a PSE (Power Sourcing Equipment) device, or up to 12 Watts for a PD (Powered Device). It also allows for a system reset along with a variety of safety features such as overvoltage, overload and short-circuit protection.

The SI3404-A-GM is typically installed on a circuit board to provide a system-level solution for PoE applications. It features a power management unit (PMU) which is implemented with advanced power management techniques to optimize current and maximize system efficiency. Additionally, a secondary power management module is included to provide additional power management and operational safety features.

The SI3404-A-GM consists of an input power management controller and an output power control stage. The input power management controller is responsible for monitoring the input power and converting it to a regulated output. The output power control stage is responsible for regulating the output current and voltage, as well as providing protection against overvoltage, overload and short-circuit conditions. Additionally, the output power control stage contains a reset block that allows for user-controlled reset of the PMIC.

The SI3404-A-GM application field includes products such as IP phones, VoIP adapters, network switches, and other PoE applications. It is capable of providing up to 15.4 Watts of power and is compliant with the IEEE 802.3af - 2003 standard. Furthermore, it has built-in safety features such as overvoltage, overload and short-circuit protection. It also includes a reset block for system reset upon user request.

In summary, the SI3404-A-GM is a cost effective and fully integrated solution for PoE applications that supports up to 15.4 Watts of output power. It is compliant with the IEEE 802.3af - 2003 standard and features an integrated PMU and reset block, as well as a variety of built-in safety features. The SI3404-A-GM is suitable for applications such as IP phones, VoIP adapters, network switches, and other PoE applications.

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