TC4420IJA

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The TC4420IJA series are gate drivers with long source-drain blocking capability, making them highly suitable for applications such as those found in the automotive, consumer and industrial sectors. Their outputs can be driven ambitiously to turn on or turn off MOSFETs, IGBTs, and Thyristors with a maximum breakdown voltage of 400V, crossing the 18V threshold. The thermal and surge current protection, as well as the surge immunity make this device ideal for immunity in operations against transients or underestimated power events.

TC4420IJA Application Field and Working Principle

The TC4420IJA gate drivers are designed for use in AC and DC motor control, switching power supplies, high power audio amplifiers, ORing inductive loads and for any other kind of application that requires high current and/or require high speed switching applications.

The TC4420IJA gate driver is capable of sinking 1 A from an output terminal with a guaranteed minimum pulse width of 1.5 us and a maximum loading current of up to 2.5 A. Its internal gate driver is capable of driving up to 4 A peak current. It has an operating temperature range of -40 to +125 °C.

The TC4420IJA gate driver has two integrated MOSFETs in a single package, designed for 1.5 voltage levels. It has an adjustable gate threshold voltage of 0.8 to 3.2V, making it suitable for all types of MOSFETs, IGBTs and Thyristors. It also has integrated synchronous rectifiers which are switched with an adjustable gate threshold voltage. The switching frequency is 0.1MHz to 1MHz.

The TC4420IJA gate driver incorporates protective features such as in-line monitoring and over-temperature protection by using an over-current and under-voltage lockout mechanism. The integrated logic level circuits ensure a reliable operation of the devices. The thermal protection circuit protects the devices against any operating temperature above and beyond the absolute maximum values.

The TC4420IJA gate driver has a unique architecture that allows the user to customize the device according to their specific needs. This includes the ability to adjust the dead time, pulse-width modulation frequency as well as the slew-rate of the output signals. All of these features can be adjusted via an internal control pin.

The TC4420IJA gate driver is designed to provide high power switching in applications that require high speed operation. This is enabled by its high output drive current capabilities, its thermal and surge current protection as well as its input over-voltage protection. Its high current capability and high voltage rating enables it to handle any application that requires high current and/or high speed switching. By integrating multiple power MOSFETs into one package and featuring synchronized rectifiers, one can achieve better performance, lower losses and smaller board space requirements.

The TC4420IJA gate driver provides an excellent solution for applications that require high speed switching and/or a wide voltage range. Its high current capabilities and thermal and surge current protection make it highly reliable and suitable for use in automotive, consumer, and industrial applications. Its adjustable gate threshold voltage makes it suitable for any kind of MOSFETs, IGBTs and Thyristors, while the integrated logic level circuits ensure reliable operation.

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