SI3453C-B02-GMR

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The SI3453C-B02-GMR (SI3453) is a part of the power management integrated circuit (PMIC) family and is a Power over Ethernet (PoE) controller. This integrated circuit can control the delivery of up to 25W of input power over Ethernet cables. It is an economical, fast, and reliable solution for PoE applications where the source of power and system needs to be consistent. The SI3453 operates in full-, half-, and mid-range power levels. This allows it to be used in a wide range of applications including Ethernet-enabled consumer, industrial, and automotive products.The SI3453 features an adjustable power delivery stage and an independent disable function. This allows the user to tailor the power delivery and control how much current is delivered to each load. This enables the user to optimize power delivery for specific applications, enabling the best performance possible. The SI3453 also features adjustable overcurrent protection and an active current sharing circuit. This ensures the safety of the system in case of overloads and ensures that all connected loads receive the same amount of current.The main features of the SI3453 include adjustable power stages, overcurrent protection, and active current sharing. It also features protection against short-circuit and reverse-polarity conditions. This is useful for preventing system damages from incorrect connection of the cables. Additionally, the SI3453 is designed to support multiple PoE standards, allowing flexibility for customers who need to use both IEEE 802.3af and IEEE 802.3at compliant systems.The working principle of the SI3453 is based on the use of a digitally-controlled power delivery stage (DCS). This enables the user to vary the output levels and adjust the current delivery to the load. The DCS system allows the user to accurately adjust the power output levels in order to maintain a constant voltage and current level for the connected load. The power delivery stage is also used to enable overcurrent protection and active current sharing, which allows the user to evenly share the power among the connected devices.The SI3453 can be used in many applications including powering wireless access points, Ethernet-enabled cameras, and thin-client computers. It is also used in devices such as medical instruments, fitness trackers, and IoT-enabled devices. By using the SI3453, customers can benefit from the efficiency, safety, and reliability of the Power over Ethernet system.In conclusion, the SI3453 is a compact and economical Power over Ethernet controller offering efficient and reliable power delivery for a wide range of applications. It features adjustable power stages, overcurrent protection, and active current sharing for safety and reliability. The SI3453 is compatible with multiple PoE standards and can be used in many applications from consumer electronics to medical instruments. With its efficient and reliable power delivery, the SI3453 is an ideal solution for PoE applications.

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