FAN7390M

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The FAN7390M is a high-performance gate driver integrated circuit (IC) designed for driving power MOSFETs and IGBTs. It includes an integrated level shifter, comprehensive protection features, and various modulation settings that can be used to maximize the throughput of a power stage. Developed by Fairchild Semiconductor, the FAN7390M can be thought of as a single-stage power stage in a multi-stage power conversion process, and is best suited for driving N-channel power MOSFETs and IGBTs in power conversion applications where efficiency is of paramount importance. Its compact form factor and superior performance has led to its widespread adoption in various power management applications. This article will provide a general overview of the FAN7390M and discuss its application field and working principle.

FAN7390M Application Field

The FAN7390M is designed for use in power supply applications such as DC-DC converters, battery chargers, and isolated power modules. It is also useful for motor control, avionics systems, solar power systems, and power amplifiers. Its features make it perfect for high-current applications, such as laptop and desktop power supplies, as well as applications with high power density and high efficiency requirements, such as portable devices, automotive, and LED lighting.

The FAN7390M is also used in numerous industrial and automotive applications. In industrial applications, it is used in welding machines, UPS systems, and the motor controllers necessary for various industrial processes. In automotive applications, it is used to drive power MOSFETs and IGBTs, allowing efficient power management and improved system performance. Combined with microcontrollers and various other ICs, the FAN7390M is capable of handling the demanding requirements of all these applications.

FAN7390M Working Principle

The FAN7390M is a high-performance gate driver designed for driving N-channel power MOSFETs and IGBTs. It is supplied with an integrated level shifter, which shifts the required gate voltage from the low-voltage driver side to the high-voltage power switch, making it suitable for driving both low-voltage and high-voltage switching devices. The chip also includes comprehensive protection features, including a wide VGS range, current limitation, and temperature shutoff.

The FAN7390M operates in two modes: High-Speed and Low-Speed. In High-Speed mode, the MOSFET is switched at a high frequency, allowing for high throughput and efficient power conversion. In Low-Speed mode, the MOSFET is driven at a slow switching speed, allowing for low power consumption and improved thermal performance. The chip also features various fault protection features, such as latch-off protection, over current protection, undervoltage lockout, and thermal shutdown, allowing for safe operation.

In addition to its integrated level shifter and protection features, the FAN7390M also features adjustable switching frequency and a wide VGS range. The FAN7390M is offered in two packages: SO-8 and DFN-8. This allows designers to choose the most suitable package for their applications.

Conclusion

The FAN7390M is a high-performance gate driver that is well suited for driving power MOSFETs and IGBTs. Its integrated level shifter and wide VGS range make it suitable for low-voltage and high-voltage applications. Its adjustable switching frequency and comprehensive protection features make it reliable and safe for use in various industrial, automotive, solar power, and consumer electronics applications. With its high throughput and power efficiency, the FAN7390M is an ideal choice for high-current power management applications.

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