MAX4428CPA+

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MAX4428CPA+ is a high-performance power management integrated circuit (PMIC) with a gate driver. Manufactured by Maxim Integrated Products, MAX4428CPA+ is a MOSFET/IGBT gate driver with level-shift protection. With a low-impedance output, this high-voltage device offers a minimized response time and a large power output that enables it deliver controlled and independent gate signals for MOSFETs/IGBTs within a wide range of switching frequencies. Besides, a higher dead time control accuracy is enabled by its on-chip voltage reference.

MAX4428CPA+ is designed to facilitate safe gate-level control for N-Channel MOSFETs and IGBTs. It integrates the features necessary for the safe operation of power MOSFETs and IGBTs including advanced high-voltage protection, loss-of-signal protection, and under-voltage lockout. The device offers level-shift protection to its IGBTs thus preventing it from over-voltage damage as a result of high-level spikes on its gate circuit. Moreover, it has both non-invert and invert gates configurations, a current-sense pin for applications with high-current density, and an adjustable dead time for better control of the conduction times. Its maximum brightness feature gives it a crisp performance.

MAX4428CPA+ also features a wide operating temperature range of -40 °C to +125 °C and under-voltage lockout protections that protect gate circuits from damage. With its variable gate supply current of 4 to 10 mA and variable dead time feature, this PMIC Gate Driver can adjust the power MOSFET and IGBT conduction times. It also offers complete protection against intentional and unintentional gate circuits inducing transient currents and EMI noise into the device.

The application range of MAX4428CPA+ iswide, including digital power supplies, line-frequency converters, residential/commercial inverters, as well as motor drive and light dimming systems. This makes MAX4428CPA+ an ideal low-cost solution for high-growth power grid applications. It is typically used in the automotive, industrial, communication and consumer applications for powering off lamps, fans and motors.

In conclusion, MAX4428CPA+ is a high-performance PMIC Gate Driver with areas of application mainly in automotive, industrial, communication and consumer applications. Its wide operating temperature range, level-shift protection, reduced response time, and protected gate circuits make it an ideal choice for power grid applications. It has adjustable dead time for better control and current-sensing pin for applications with high-current density.

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