FAN3100CMPX Integrated Circuits (ICs)

Logic Voltage - VIL, VIH:	--
Base Part Number:	FAN3100
Supplier Device Package:	6-MLP (2x2)
Package / Case:	6-VDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Rise / Fall Time (Typ):	13ns, 9ns
Input Type:	Inverting, Non-Inverting
Current - Peak Output (Source, Sink):	3A, 3A
Series:	--
Voltage - Supply:	4.5 V ~ 18 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	1
Channel Type:	Single
Driven Configuration:	Low-Side
Part Status:	Active
Packaging:	Tape & Reel (TR)

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FAN3100CMPX is a high current gate drive circuit featuring over voltage protection and high current driving capability. It was designed for applications such as remote access and wireless communication. The circuit not only provides efficient power management for wireless communication, but also provides improved protection for the gate drive circuit in the event of over voltage conditions or other events that can cause over current or over temperature conditions.Functional OverviewThe FAN3100CMPX gate drive circuit has two main components, an MOSFET driver and an over voltage protection module. The driver provides efficient power distribution for controlling the gate voltage of a MOSFET, allowing a high current to flow through the device. The over voltage protection module prevents undesirable gate voltage operations by detecting any over voltage conditions and cutting off the supply of power. The over voltage protection is accomplished by using an N-channel MOSFET with over voltage detection circuitry, which will shut down the gate if the voltage exceeds a specified voltage threshold.ApplicationThe FAN3100CMPX gate drive circuit is ideal for high power applications due to its high current driving capability and its over voltage protection. This makes it suitable for applications such as remote access and wireless communication. It is also well suited for use in power management, such as solar cells, DC/DC converters, and rectifiers.Working PrincipleThe FAN3100CMPX gate drive circuit works on the premise of controlling the gate voltage of a MOSFET. MOSFETs, or metal oxide semiconductor field effect transistors, are voltage controlled devices. When a voltage is applied across the gate and source of the MOSFET, electrons are injected into the MOSFET’s channel and a channel is formed that allows current to flow from the drain to the source. The FAN3100CMPX gate drive circuit controls this gate voltage by utilizing the MOSFET driver, the over voltage protection module, and external circuitry such as a power supply. The MOSFET driver is used to control the gate voltage of the MOSFET by providing an adjustable output current. The current is controlled using an external potentiometer, which allows the user to adjust the output current of the MOSFET driver. The over voltage protection module monitors the voltage at the gate of the MOSFET, and if the voltage exceeds a specified voltage threshold, the module shuts off the gate and prevents further operation.Conclusion The FAN3100CMPX gate drive circuit is an efficient and reliable high current gate drive circuit with over voltage protection. It is ideal for use in applications such as wireless communication, power management, and other high power applications. The circuit works by controlling the MOSFET gate voltage with an adjustable output current and monitoring the gate voltage for any over voltage conditions and automatically shutting off the power supply if an over voltage condition is detected. This makes the circuit suitable for use in a wide range of applications, ensuring efficient and reliable operation.

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