TC4428COA713

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The TC4428COA713 is a dual MOSFET gate driver that is used for driving medium voltage N-channel MOSFETs. It is a type of PMIC or power management IC that is categorized as a gate driver IC. This device is especially useful for high side, full-bridge applications as it can be used with standard logic voltage levels. It is designed with an internal charge pump that ensures that the load threshold voltage is reached.

Application Field: The TC4428COA713 is applicable in a variety of applications, predominantly in motor control, power switching, and automotive systems. It is optimized to provide high-level performance in driving N-Channel MOSFETs in inverting and non-inverting applications. This driver is ideal for use in DC-DC converters, H-bridge motor drivers, and brushless DC motor (BLDC) drivers.

Working Principle: The TC4428COA713 features an active low-side driver that shorts its output to ground, an active high-side driver that is configured to pull high, and an open drain driver that is also output low. Together, these drivers allow for efficient switching of the gate voltage of the respective power devices. The device processes the incoming logic input signals through the charge pump circuitry, whereupon the charge pump circuits supplies sufficient current such that the drain-to-source breakdown voltage of the respective load is reached. Thus, these ICs easily control medium voltage N-channel MOSFETs.

The device is housed in a SOIC-8 package and provides status feedback from the outputs of both drivers. Additionally, the device has protection circuitry that guards against false triggering by protecting against damage from destructive ESD events. This includes advanced High-Side/Low-Side UVLO (under voltage lockout) protection, short circuit protection and thermal shutdown protection. Furthermore, TC4428COA713 has built-in Positive Temperature Coefficient (PTC) fuses for additional protection.

Overall, the TC4428COA713 makes for an excellent choice when a high-voltage, medium power MOSFET switch is required. It is one of the most reliable and robust gate drivers as it is designed with advanced protection features, while also providing excellent power handling and switching performance.

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