FAN73901MX Integrated Circuits (ICs)

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FAN73901MX is a family of high voltage gate drivers that are widely used in PMIC - Gate Drivers. It has a wide range of applications from 10V to 200V with both single and half-bridge just output configuration. It is mainly used in POL (Point Of Load) applications such as AC/DC converters, motor drivers, PFC and synchronous rectifier drivers.

The main features of the FAN73901MX include:

• Wide operating input voltage range from 10V to 200V.
• High peak output current up to 5A.
• Low quiescent current.
• High frequency operation up to 3MHz.
• Thermal shutdown and over current protection.
• 8-bit SPI interface.

The output configuration of the FAN73901MX is designed to meet the specific requirements of the application. It can be configured as single-output, half-bridge, or dual-channel mode. The maximum output current is determined by the chosen HV input voltage.

The FAN73901MX works like most other gate drivers. When an input signal is applied at the input, the integrated FET driver pulses rapidly between two states in a defined sequence. This sequence of state changes enables the FET driver to control the gate of the driver MOSFET in the desired manner.

The typical operating frequency of the FAN73901MX is around 500KHz, but can be configured to operate up to 3MHz depending on the load and application requirements. The output current capability of the FAN73901MX is determined by the chosen HV input voltage. The maximum output current available for a given input voltage is 5A. This is enough to drive high power devices such as motor drivers, AC/DC converters, and PFC converters.

The FAN73901MX provides built-in protection features such as thermal shutdown and over current protection. The thermal shutdown feature prevents the device from overheating due to excessive power dissipation. The over current protection feature ensures that the output current of the FAN73901MX is kept within the specified limits. This helps to protect the device, as well as the connected power devices.

Furthermore, the FAN73901MX is also compatible with 8-bit SPI interfaces. This feature allows for easy communication between the FAN739MX and other external components. This makes it easier to control the operation of the FAN73901MX and the connected power devices.

In summary, the FAN73901MX is a powerful and flexible gate driver that is well-suited for a wide range of PMIC - Gate Drivers applications. Its wide range of operating voltage, high peak output current, low quiescent current, and 8-bit SPI interface make it a great choice for many different applications.

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