FAN5009MPX

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PMIC - Gate Drivers are one of the most important fields of application for FAN5009MPX devices, due to their ability to provide the necessary voltage and current levels to the gates of the field effect transistors in power management and high voltage control circuits. By controlling the gate current and voltage, these devices provide the basis for efficient control of power supply turn on, over-current protection, reverse polarity protection, and other conditions. In addition to their logic level applications, these gate drivers are also ideal for switching between two high voltage points, such as when enabling a high voltage power supply.

The FAN5009MPX is a dual gate driver designed for use with N-channel MOSFETs operating up to 500V and 10A. It is designed specifically to reduce EMI and ESD susceptibility, typically used with applications that require precise control of high voltage power supplies. The FAN5009MPX is housed in a SSOP28 package, and requires minimal board space due to its dual gate driver package. It also has a wide operating temperature range of -40 to +105 degrees Celsius, making it suitable for use in environments where temperatures are highly variable.

The working principle of the FAN5009MPX is quite simple. At its most basic, the FAN5009MPX can be equipped with two digital inputs, with each input controlling one of the two gate drivers. When an input is active, it sends a signal to the respective gate driver to turn on and off the gate voltage with minimal voltage drop, allowing for precise control of the power supply turn on and off.

The FAN5009MPX also has several additional features that make it ideal for high power applications. These features include built-in over-current protection, as well as reverse polarity protection to prevent the FETs from being damaged if a reversed power supply is connected. The FAN5009MPX also has a built-in temperature sensor, which allows it to monitor the operating temperature and adjust the duty cycle accordingly to ensure proper operation.

In addition to its over-current and reverse polarity protection, the FAN5009MPX also has an adjustable simultaneous turn on current limit, which prevents overloading of the power supply. It also has adjustable transition times for each FET, allowing the power supply to transition from off to on and vice versa with minimal voltage and current spikes. The FAN5009MPX also has a wide input voltage range of 4.5V to 16V, making it suitable for use in a variety of power supply designs.

The FAN5009MPX can be used in numerous applications, including power conversion, motor driver applications, LED lighting, DC/DC converters, motor controllers, and more. It is ideal for applications that require precise control of high voltage switching, while also providing the added benefits of improved reliability, efficiency, and overall system performance. With its compact size, high operating temperature range, and low operating current, the FAN5009MPX is an excellent choice for power systems in most applications.

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