MAX4428ESA+

The MAX4428ESA+ is a dual input, high-side and low-side gate driver integrated circuit (IC) from Maxim Integrated. This device is typically used to drive high-voltage and low-voltage power MOSFETs and IGBTs. This device features integrated voltage-level shifting, fast switching speeds, built-in fault protection and fault diagnostic features, and wide power supply range. It can operate from a single 5 V to 24 V supply or dual 4.5 V to 20 V supplies.

The MAX4428ESA+ belongs to the PMIC (Power Management IC) family of products categorized as Gate Drivers, which provides a means of controlling and protecting power MOSFETs, IGBTs and other switching solutions from external sources. It provides a number of features to enhance power efficiency, reduce power consumption and simplify the design and operation of the IC. In an integrated system, the IC can be connected to other devices such as power controllers, logic ICs and various other distributed control systems to provide a complete power management solution.

The MAX4428ESA+ is designed to be used in applications that require a high-current gate drive, such as power switches, motor drives, and inverters. It provides a high-voltage output to drive an external N-channel MOSFET or IGBT and a low-voltage output to drive an external N-channel power MOSFET. This device has integrated protection features, such as internal current limiting, thermal protection, and reverse output protection. It also offers active clamps and a differential input for improved noise immunity, making it suitable for operating in noisy environments.

The MAX4428ESA+ provides a number of features to reduce gate ringing and increase gate drive switching speed. It includes a gate charge control that allows for a faster gate drive turn-on time, a gate diode for reduced gate ringing during switching, adjustable pre-charge or recharge time, and adjustable dead-time control. Additionally, this device has an integrated fast discharging circuit that can be used to reduce the turn-off time of the gate drive. The device also features a built-in fault protection and fault diagnostic feature, which can be used to detect and alert of a fault condition on the gate drive output.

The MAX4428ESA+ is an ideal solution for driving high-voltage and low-voltage power MOSFETs and IGBTs. It provides a wide power supply range, fast switching speeds, fault diagnostic features, and integrated voltage-level shifting for robust, efficient operation. With its range of built-in protection and diagnostic functions, the MAX4428ESA+ helps to reduce design time and cost, and provides an optimal solution for driving high-current applications.