SI3453A-B01-GM

Series:	--
Packaging:	Tube
Part Status:	Obsolete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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SI3453A-B01-GM is a Power Management Integrated Circuit (PMIC) designed for Power over Ethernet (PoE) applications. This device is capable of providing a high-power source to an Ethernet port connection at up to 30V in a cost-effective, small form factor. It is an ideal solution for applications requiring a low-cost, low-power, and low-footprint coupled with a simple control structure.This device features a high-current switching MOSFET and a control logic that monitors and controls the power to the attached device. It also supports low current and high current output options, both of which are achieved by setting the appropriate parameters. This ensures that the device can meet any requirement for power in a PoE application, from 15.4 to 30V and up to 10A of power.The SI3453A-B01-GM is designed to provide a low-voltage, high-current power source for PoE applications. It is compatible with a variety of Ethernet connection types, such as RJ-45 and MikroTik PoE. Its low-power requirements make it suitable for small-form-factor devices such as CPEs, SOHO devices, and routers.The device can convert an Ethernet connection to a single-phase power source, by regulating the DC voltage level and current. The output voltage and current can be set by the user, giving more flexibility to the design of the system. It also has current limit and overload protection, to ensure the safety of both the device and the attached device. The device is capable of monitoring the attached system, and providing safety features such as over temperature alarm, short circuit protection and over-current shutdown.In addition, the SI3453A-B01-GM features an on-board component that regulates the voltage and current to the attached device. This component includes a MOSFET and control logic, to ensure that the desired voltage and current are delivered to the device. Furthermore, the device also has a fault-tolerance circuit that provides an additional level of protection against over-voltage, over-current, and over-temperature conditions.The SI3453A-B01-GM is an ideal device for constructing a Power over Ethernet (PoE) system, providing a highly efficient and reliable power source to the Ethernet port. Its simple control structure and cost-effectiveness make it an attractive solution for PoE applications. With its low current requirements, small form factor, and high current power delivery, the SI3453A-B01-GM is the perfect device for a wide range of PoE applications.

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