SI3482-A01-GMR

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Power Management Integrated Circuit (PMIC) – Power over Ethernet (PoE) controllers – such as the SI3482-A01-GMR – are used in a wide variety of applications. These devices enable system designers to provide and manage reliable power, from a single 12V supply, to multiple connected and isolated power ports. As a result, PoE controllers can provide either remote power or data-only functionality over Ethernet cables, which makes them ideal for applications such as remote power control, digital signage, or wireless networking.

The SI3482-A01-GMR is an intermediate PoE controller with a fully isolated power rail. This controller is designed to support up to four Power-over-Ethernet ports, with up to 15W of power per port (with 12V input). The SI3482-A01-GMR also features an integrated Power Line Communication (PLC) engine, allowing the port to be remotely controlled over an Ethernet cable.

The SI3482-A01-GMR has two main components: a central control unit and a power management unit. The control unit enables the user to configure the ports with an on-chip microcontroller, as well as to monitor the output power levels of each port. The power management unit handles the conversion of the 12V input into the different power rails required for the PoE ports, and is responsible for providing robust protection for each port.

The SI3482-A01-GMR supports both single-port Class 3 and multi-port Class 4 PDs (Power Distribution Desks). When a single Class 3 PD is connected to the controller, the maximum power available is 15.4W. When multiple Class 4 PDs are connected, the SI3482-A01-GMR can provide a maximum power of up to 60W. This controller is designed to handle peak currents up to 4.5A, and is capable of providing a steady output power of up to 3.7A.

The SI3482-A01-GMR is designed to provide a high level of system flexibility and scalability. The controller can support a wide range of PoE technologies – such as for CAT6 and CAT5E networks – and is capable of handling both power and data over a single Ethernet cable. Furthermore, the controller is IEEE802.3 compliant, meaning that it is compatible with all standard PoE protocols.

The SI3482-A01-GMR also provides a wide range of built-in protection mechanisms to ensure system reliability. These include overcurrent protection, surge protection, and overvoltage protection. Furthermore, the controller includes a comprehensive thermal protection system that prevents system shutdowns due to over temperature conditions.

In conclusion, the SI3482-A01-GMR is an ideal power management solution for applications that rely on reliable power delivery over Ethernet cables. This PoE controller is designed to provide robust power, data, and protection, while being extremely flexible and scalable. As a result, it can provide a reliable and cost-effective solution for a wide variety of applications, allowing system designers to quickly and easily implement reliable power-over-Ethernet solutions.

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