FAN7383MX Integrated Circuits (ICs)

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The FAN7383MX is a low-side high and low-side drivers IC that is designed to drive MOSFETs and IGBTs. It is capable of driving loads up to 200A, and is designed to meet the EIAJ RC-953 standard. It is available in 8-pin and 10-pin packages.

The FAN7383MX is part of the Power Management ICs (PMICs) portfolio from Taiwan Semiconductor Manufacturing Company (TSMC) and is specifically designed for gate drivers in automotive and industrial applications.

In applications where load switching is common, having a low-side driver IC is invaluable. It allows for more efficient switching, improved transient response, and reduced power dissipation. The FAN7383MX is perfect for these types of applications, such as motor control, DC/DC converters, power supplies, and other high-frequency power converters.

The FAN7383MX is designed to provide low on-state resistance (RON) and low off-state to minimize conduction losses. Its on-state resistance is only 6.5 mΩ max, while its off-state resistance is 0.3mΩ max. This allows for efficient switching and reduced power dissipation.

The FAN7383MX also has a robust package that can handle up to 200A of current. The IC is thermal loop IC and has a built-in temperature sense circuit that will automatically adjust its operating parameters to optimize performance depending on the temperature. This ensures that the IC is operating at an optimal level for every application.

The FAN7383MX also features a wide supply voltage range from 2.6-19V and a logic supply voltage of 2.6-9V; its switching frequency can be set up to 200 kHz. This gives the user flexibility when it comes to setting up the operating conditions for the IC.

When it comes to the working principle of the FAN7383MX, it is built around three constituent parts. The first part involves the two low-side N-channel MOSFETs that are interconnected along with the logic control and driving circuit. There is also a monitoring circuit that is responsible for adjusting the timing of the low-side MOSFET transition based on feedback from the off-state current. The second part is the high-side N-channel MOSFET, which is driven directly by the logic control and is responsible for driving the load.

The final part is the logic control, which is composed of the on and off pulse generator, the deadtime generator, and the output drive logic. The on and off pulse generator is responsible for generating the control signals for the high- and low-side MOSFETs. The deadtime generator ensures that the transition from the high- to low-side MOSFETs is smooth and reduces switching losses. The output drive logic is responsible for controlling the transition between the high- and low-side MOSFETs, and is also responsible for controlling the output voltage.

In short, the FAN7383MX IC is a powerful, low-side gate driver IC. Its small footprint and low on-state resistance make it ideal for applications that require high efficiency and low power dissipation. Its wide supply voltage range, high switching frequency, and temperature sensing capabilities make it a versatile option for applications such as motor control, DC/DC converters, and power supplies.

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