IR4426

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IR4426 is a type of PMIC (Power Management Integrated Circuit) - Gate Driver IC that serves the purpose of driving power MOSFETs. It is designed to meet the low voltage control requirements of applications such as micropower switch-mode supplies, power transistors, power rectifiers and power diodes. It has an input voltage of 3 to 5.5V, and an output voltage of up to 60V. The IR4426 also comes with a thermal shut-down feature for protection.

The IR4426 Gate Driver IC is primarily used to drive power MOSFETs and IGBTs for power converting applications in DC to DC converters, switch-mode power supplies, AC/DC converters, and motor control applications. It can also be used in applications such as high-voltage charge pumps, LCD backlighting, motor drives, high-current motor control, and battery chargers.

The IR4426 is designed with a high-voltage high-power MOSFET driver, and it can drive MOSFETs of up to 500V and 10A. It is also capable of working with 3-phase motor control, and has a frequency of up to 200kHz. The IC is available in a number of packages, such as DIP-10, SOIC8, TO92-3, and SOT23-3. Additionally, the IR4426 includes overload current protection and reverse-battery protection.

The working principle behind the IR4426 involves an advanced gate driving circuit that generates the high-voltage control signals. The IC receives an input voltage of 3 to 5.5V and provides an output voltage of up to 60V. The IR4426 Gate Driver also contains a thermal shut-down feature, which cuts off the output voltage to prevent damage if the device’s temperature exceeds a preset limit. Additionally, the IR4426 is designed to have an standoff voltage of up to 800V.

The IR4426 Gate Driver IC is a very versatile device that can be used in a wide variety of applications. It is a reliable and robust solution for driving high-voltage MOSFETs and IGBTs. Its advanced gate driving technology provides a convenient way to control power MOSFETs and IGBTs without the need for external components. Additionally, its thermal shut-down feature ensures that the device is protected from damage caused by an excessive temperature increase.

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