FAN7085MX-GF085

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PMIC - Gate Drivers are used to control the on and off state of a switching device in power management applications, such as powering integrated circuits or isolating an external power source. The FAN7085MX-GF085 is a product within this category. This application note will provide an overview of its features, application fields and working principle.

The FAN7085MX-GF085 is a dual high-side MOSFET gate driver integrated circuit (IC) offering over-temperature protection, over-current protection and output open/short detect. It is suitable for driving both N-MOS and P-MOS devices as well as providing a combination of low on-resistance and fast switching speeds to reduce power dissipation and maximize efficiency. The FAN7085MX-GF085 also enables high side-current sensing with a wide operating range of up to 24V. It is capable of up to 60V maximum voltage withstand and includes a built-in 1.2A current protection, making it suitable for high-power supply applications. The device is packaged in a 16-pin small outline integrated circuit (SOIC) package, allowing for easy installation.

The FAN7085MX-GF085 has wide application fields. It can be used in mobile and consumer electronics such as laptop computers, mobile phones, tablets, and digital displays. It can also be used in various automotive applications including power mirrors, ABS/traction control, shift-lock actuators, door locks, airbags, power lift gates and power windows. In industrial and factory automation applications, it is used in devices such as safety relays, sensors, flow and temperature controllers and smart power sockets. In medical applications, it is used in products such as automatic syringes, oxygen concentrators, ventilators and electrocardiographs.

The working principle behind the FAN7085MX-GF085 involves the generation and transfer of voltage signals between different ICs and devices that require a power supply. A power IC within the circuit will send a signal through the FAN7085MX-GF085 to power devices, such as a MOSFET, connected to the circuit’s output port. The FAN7085MX-GF085 will act as a bridge between the power IC and the output port, effectively transferring and controlling the power supply to the intended device. The FAN7085MX-GF085 will also offer protection by detecting output open or short conditions, thus preventing damage to the intended device.

In conclusion, the FAN7085MX-GF085 is a dual high-side MOSFET gate driver IC used to control the on and off state of a switching device in power management applications. It provides high side-current sensing and provides over-temperature protection and open/short detect for reliable and robust operation. Due to its low on-resistance and fast switching speeds, it is suitable for high-power supply applications and a wide range of consumer, automotive, industrial and medical applications.

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