FOD8314

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Isolators - Gate Drivers

FOD8314 is an advanced gate driver designed specifically for high power and mobility applications, providing high capability, low on-resistance, and wide operating parameters. It is able to drive various styles of FETs (or IGBTs) in a wide range of operating conditions, offering great protection and reliability. This makes FOD8314 suitable for various energy management applications, such as electric vehicle charging, energy storage, and photovoltaic inverters, among others.

Application Field

FOD8314 is designed to control high-power FETs, IGBTs, SiC MOSFETs, and other power devices in various applications. It supports various topologies, such as half-bridge, full-bridge, and three-level inverters, enabling high-performance, highly effcient power conversion. This makes it suitable for applications like electric vehicle charging systems, industrial servo drives, motor control systems, and photovoltaic inverters, as well as IGBT-based power systems.

FOD8314 can also be used in high-voltage motor control, communications, and displays, as well as various other applications where power automation is needed. The device\'s high-performance isolation, accurate gate-drive triggering, and low current drive make it the ideal choice for these applications.

Working Principle

FOD8314 combines a highly isolated gate driver circuit with an isolated voltage regulator. It incorporates a novel adaptive auto-leveling feature that adjusts the gate voltage to the FET\'s specific gate-channel characteristics, thus improving the power device\'s operational efficiency. Furthermore, the gate driver also incorporates an internal high-voltage power supply with wide input voltage parameters, allowing it to generate ultra-fast switching losses.

FOD8314 also features a high-voltage isolated output low-side driver which canSource a high amount of power while maintaining full control and protection. It provides fast switching capabilities with a minimum on- and off-time of 260ns. It can also be supplied with either a 3.3V or 5V logic input, allowing for greater flexibility in the application.

FOD8314 also incorporates a number of safety features, including over-voltage protection, under-voltage protection, thermal shutdown, and over-current protection. These provide protection while allowing for improved reliability and performance in applications that are subjected to harsh environmental conditions.

Conclusion

FOD8314 is a powerful, isolated gate driver that can be used in a variety of high-power applications, from electric vehicle charging systems and industrial servo drives to motor control systems and photovoltaic inverters. The device offers a wide range of features, including a high-voltage isolated output low-side driver, an adaptive auto-leveling feature, and a variety of safety features. These features enable fast switching speeds, high power levels, and efficient operation even in harsh environmental conditions.

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