FPF2172

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FPF2172 is a PMIC (Power Management IC) used in different applications including Power Distribution Switches, Load Drivers and more. In this article we will explore the application fields and working principles of the FPF2172.

FPF2172 is a power management IC designed for use in applications such as off-road vehicles, industrial automation systems, medical equipment, and automotive electronics. It offers a high degree of protection, such as high temperature tolerance, over-voltage protection and current limiting. The FPF2172 integrates two independent switching channels and can deliver up to three loads simultaneously.

The FPF2172’s two channels operate independently and feature two high-side switches with a typical blocking voltage of 88V, two low-side switches with a typical blocking voltage of 40V, and two input/sources for current limiting. This allows for a wide range of power configuration scenarios. The FPF2172 also includes a 220nA low-power standby current that allows the system to continue running after power-down.

The FPF2172’s Power Distribution Switches allow the user to switch on and off various power sources, so they can be used to regulate power in different applications. It is designed to switch high-side loads up to 7A, which is usually done using an N-channel MOSFET. The benefit of using this IC is that it reduces bill of material costs, as no external MOSFET is required. The FPF2172 also features a pre-biased Zener diode that enhances its protection against over-voltages.

Additionally, the FPF2172 can be used as a Load Driver to drive high-side loads up to 40V. The two high-side switches feature an adjustable slew rate that allows the user to control the rate of voltage turn-on/off, making it suitable for a variety of load voltage demands. The two low-side switches also offer protection against short circuits and inductive loads, allowing users to drive high-power loads with confidence.

The FPF2172 also allows user-selected current limit levels to be set. This current limit feature ensures that the maximum allowed current does not exceed the selected level, protecting the system from over-current faults. The Open Drain MOSFET Interface allows users to tailor the system’s behaviour to the application’s specific needs, providing more flexibility and control when designing the power system.

In conclusion, the FPF2172 is a versatile Power Management IC designed to be used as both a Power Distribution Switch and a Load Driver. It offers a wide range of protection and control features that can be tailored to the user’s application’s demands. With its wide range of features and capabilities, the FPF2172 can help system engineers achieve the power requirements of their designs.

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