TC4428AVMF

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TC4428AVMF is a pair of N-channel MOSFET driver from Microchip Technology Inc. It provides both high-speed and low-loss control, with easy paralleling of multiple drivers. The TC4428AVMF is designed specifically for automotive applications, and provides superior performance in the area of driving and controlling various types of power switches, such as field-effect transistors (FETs), relays, and solenoids. The TC4428AVMF is a highly integrated, low power, dual-channel driver, suitable for driving a wide range of FETs, providing precise on-off control with fast switching times.

Application Field Of TC4428AVMF

The TC4428AVMF is a power switching device suitable for use in a wide range of automotive applications, including driver-activated accessory switching, lighting control, engine control, power management, and power supply control. The device is available in a wide range of package types, including an 8-pin SOIC, 8-pin PDIP, and 14-pin SOIC. The device is rated at up to 100 volts, with an on-resistance of 0.37 ohm and a threshold voltage of 0.8 volt. The device is also capable of driving currents up to 1.2 amps.

The TC4428AVMF provides excellent thermal performance and is designed to operate with a maximum die temperature of 175°C. The device also has a built-in temperature sensing circuit that can be used to monitor the die temperature, providing additional safety during overload conditions. The device also features low-side and high-side drivers with integrated interlock functions, allowing the user to configure a single driver to control both an N-channel and a P-channel FET.

Working Principle of TC4428AVMF

The TC4428AVMF is a low-power, dual-channel power MOSFET driver designed specifically for automotive applications. The device operates by switching between two states: high-side and low-side drivers. The device utilizes a pair of N-channel MOSFETs to drive the load. When the device is activated, current flows through the high-side driver and its associated MOSFET. This current then flows to the load, turning it "on". To turn the load "off", the low-side driver is activated, and the MOSFETs associated with it shorts the load, preventing any current flow.

The device features a built-in temperature sensor that can be used to monitor the die temperature during overload conditions. The user can configure the sensor\'s operation so that it will shut down the device if the temperature exceeds a certain value. Other features of the TC4428AVMF include an adjustable current limit, soft start, and built-in fault protection, making it a suitable choice for the most demanding automotive applications.

Conclusion

The TC4428AVMF from Microchip Technology Inc. is a low-power, dual-channel power switching device suitable for use in a wide range of automotive applications. The device provides excellent thermal performance, with a maximum die temperature of 175°C. The device also has a built-in temperature sensing circuit that can be used to monitor the die temperature during overload conditions. Other features of the device include an adjustable current limit, soft start, and built-in fault protection. The TC4428AVMF is a highly integrated, low power, dual-channel driver, and is suitable for driving a wide range of FETs, providing precise on-off control and fast switching times.

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