TC4468EOE

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Power management integrated circuits (PMICs) are a type of semiconductor device that packages different power management circuitry for digital electronic circuits into a single chip. This can range from simple voltage regulators and DC-DC converters to complex special purpose circuits. A common factor of PMICs is the ability to control a device\'s power without much intervention from the user. One of the most popular examples of a PMIC is the Gate driver. Gate drivers are variable voltage regulators used as a buffer between logic circuits and larger motor/load drivers. In particular, TC4468EOE gate driver is of great interest.

TC4468EOE Application Field

TC4468EOE is an array of low power drivers with a wide range of inputs and outputs. Due to the on-chip self-clocking nature of the driver it is ideally suited for driving power MOSFETs and IGBTs used in power industrial applications. The driver can also be used to drive switched-mode power supplies and other power components. The driver\'s low on-resistance and low power consumption characteristics make it well suited for digital control applications as well. Additionally, the device has an adjustable output voltage feature, allowing the user to easily fine tune the output of the driver to match the chosen load.

Working Principle

The TC4468EOE driver is designed as an array of two drivers (A and B), which can be used independently or in combination. The drivers are connected together with a common reset pin and each has an individual power output. The power outputs can be configured as either source or sink outputs depending on the application. The source outputs are capable of pulling the power output to a range of voltages providing up to 12V of source power, while the sink output can pull the power output down to below ground for most applications. An external voltage reference (VREF) pin is available to supply the driver reference voltage needed to control the output voltage range. The driver also includes a number of protection features, including undervoltage lockout, detection of unused outputs and an adjustable overvoltage threshold.

Conclusion

The TC4468EOE gate driver is a powerful, low-power and flexible tool to drive power MOSFETs and IGBTs in all kinds of power industrial applications. Its low on-resistance, adjustable voltage output and a variety of protection features make it an ideal solution for digital control and industrial power needs.

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