SI3453-B02-GMR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Controller (PSE)
Number of Channels:	4
Power - Max:	40W
Internal Switch(s):	Yes
Auxiliary Sense:	No
Standards:	802.3at (PoE+), 802.3af (PoE)
Voltage - Supply:	45 V ~ 57 V
Current - Supply:	4mA
Operating Temperature:	-40°C ~ 85°C
Package / Case:	40-VFQFN Exposed Pad
Supplier Device Package:	40-QFN (6x6)
Base Part Number:	SI3453

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SI3453-B02-GMR Application Field and Working Principle

The SI3453-B02-GMR is a power management integrated circuit (PMIC) designed specifically to be used with Power over Ethernet (PoE) applications. It is ideal for applications where the integration of a power supply and an Ethernet controller is needed. The SI3453-B02-GMR is capable of delivering up to 25W of power through Power over Ethernet (PoE) compliant networks. It is also capable of providing a constant, regulated 3.3V power supply for a wide variety of devices, including cameras, computers, phones, and other peripherals.The SI3453-B02-GMR has a wide range of features that make it an ideal choice for Power over Ethernet (PoE) applications. It can detect incoming PoE power and turn it off if necessary to prevent power surges. It also includes a number of protection mechanisms, such as over current, over voltage and over temperature protection, as well as a robust power up/down sequencing capability. The device also supports remote power management, allowing users to remotely control the power supply and adjust power levels when necessary.The SI3453-B02-GMR is designed to be used with Class 0/1/2/3 and 4 power-enabled networks, allowing it to connect to most PoE systems. The device offers a comprehensive set of features that enable the integration of both power and data connections into a single, compact solution. It also offers up to four channels of 24V DC and 30V DC, allowing it to interface with a variety of PoE devices.The SI3453-B02-GMR works by constantly monitoring the incoming power from the PoE network and converting it into the proper voltage and current levels for the connected devices. In addition, it provides a number of safety features, such as over voltage, over current and over temperature protection, as well as a robust power up/down sequencing mechanism. The device also includes a wide range of protection mechanisms, such as an over temperature fault, an output current limit and an input over current limit.Overall, the SI3453-B02-GMR is a versatile PMIC designed specifically for Power over Ethernet (PoE) applications. It offers a comprehensive set of features, allowing users to easily integrate a complete PoE solution into their systems. It is capable of delivering up to 25W of power, and it also provides a constant, regulated 3.3V power supply. The device is ideal for applications where the integration of a power supply and an Ethernet controller is required. It is designed to work with Class 0/1/2/3 and 4 power-enabled networks, allowing it to connect to most PoE systems. It also offers a variety of safety features and protection mechanisms to ensure reliable operation.

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