FAN7080MX-GF085

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FAN7080MX-GF085 is a power management integrated circuit (PMIC) device of the gate drivers type produced by Fairchild, and is typically used in automotive applications. These devices are used for different purposes in a variety of devices, such as motor drivers and current level switches.

Basically, FAN7080MX-GF085 is a monolithic, low-power driver integrated circuit designed to interface to and drive N-channel MOSFETs. It consists of two high-side drivers, each with a dual-channel controller, that can be configured to achieve either two independent high-side switches or a single high-side/low-side switch. The device works with both low-side and high-side power transistors that can be used to drive small loads and can perform fast switching of loads and high-frequency switching of motors.

FAN7080MX-GF085 is an advanced, high-performance driver IC that is especially suited for drive applications having an operating voltage range from 4 V to 16 V, and is made from enhanced CMOS technology. The device utilizes programmable pre-charge and discharge times to optimize the gate turn-on time for MOSFETs used for either high-side or low-side switching. The driver features clock synchronization and a programmable thermal protection circuit which ensures safe drive.

FAN7080MX-GF085 is designed to work with low-side and high-side MOSFETs employed in motor drive applications. This device can be used to drive the load on demand or in a DC regulated motor mode. The device-internal protection circuits provide an additional safeguard against sudden current flows, preventing the device from over-heating or being damaged during operation.

The device is integrated with basic driver stages, consisting of a set of current-sense elements and peak current limiting circuits with respective trimming components. It also provides an adjustable dead time circuit to avoid distortive output waveforms and maintain a minimum on-time in order to prevent cross conduction.

It also contains a bootstrap circuit which allows the upper MOSFET of the high-side driver to operate in a "floating" mode, where the voltage of the high-side MOSFET is higher than the input voltage of the device. This floating mode is especially suitable for chassis and ground-referenced systems, such as those found in automotive and agricultural applications.

Apart from the features mentioned above, FAN7080MX-GF085 also features an externally programmable turn-off protection circuit, designed to detect a low-voltage drop across any of the MOSFETs and interrupt the load current before damage is done.

In conclusion, FAN7080MX-GF085 is a versatile PMIC of the gate driver type, designed for motor drive applications with high efficiency and low-power consumption. With its adjustable pre-charge, discharge times, and internal protection circuits, it is an excellent choice for automotive and agricultural applications.

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