MMPF0100F6AEPR2

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Part Status:	Active

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Introduction to MMPF0100F6AEPR2

MMPF0100F6AEPR2 is an integrated controller and switching regulator developed by Massachusetts Microprocessors, Inc. for the power management application. It provides efficient, low voltage, low power switched, and low noise regulated power. The integrated device contains an on-board MOSFET, inductor, and all other related peripheral components and support circuitry to simplify design and enable efficient and safe power conversion.

Application Field of MMPF0100F6AEPR2

MMPF0100F6AEPR2 is widely used in computers and networking systems, fast-charging battery chargers, active backplanes, tablets and other portable electronic devices, motor drivers, distributed power systems, telecom systems and other power management applications. It takes a voltage input of 4.5V to 18V and provides a output voltage of 0.9V to 3.3V to the system. Power management is the efficient, reliable and quick delivery of exactly the same type of power at all times, regardless of changing input voltage.

Working Principle of MMPF0100F6AEPR2

MMPF0100F6AEPR2 is a non-synchronous buck regulator which operates by controlling the duty cycle of a driver after the converter IC to produce a steady output voltage. The converter IC consists of a switching MOSFET which is connected to an inductor. When the MOSFET is turned on, the inductor creates a magnetic field and stores energy. This stored energy is discharged through the MOSFET when it is switched off creating a constant current source form of output voltage. The output voltage can be regulated by controlling the “on” and “off” time of the MOSFET switching. This makes it necessary to use a current source controller, in order to effectively regulate the output voltage. The current source controller is in effect a closed loop system that measures the output voltage and adjusts the MOSFET duty cycle accordingly. The current source control loop consists of an input voltage regulation loop and an output voltage regulation loop. The input voltage regulation loop monitors the output voltage and adjusts the MOSFET duty cycle to maintain it within a specified range. The output voltage regulation loop monitors the current used by the load and adjust the output voltage based on the current it draws. In the MMPF0100F6AEPR2, the input voltage regulation loop consists of a voltage limiter, voltage sense circuit, and comparator. The voltage sense circuit compares the input voltage to a preset reference voltage. If the input voltage is greater than the preset reference voltage, the voltage limiter turns off the MOSFET, thereby reducing the voltage on the converter IC. The output voltage regulation loop consists of an output current sense circuit, current limiter, and comparator. The current sense circuit monitors the output current and compares it to a preset reference current. If the output current is greater than the preset reference current, the current limiter reduces the output voltage. This reduces the load on the converter IC and maintains the output voltage within a specified range.

Conclusion

MMPF0100F6AEPR2 is an integrated switching regulator, which is used for powering a variety of systems ranging from computers and networking systems to fast-charging battery chargers, active backplanes and other devices. The integrated device contains an on-board MOSFET, inductor and other related peripheral components, and support circuitry to enable efficient and safe power conversion. The controller implements a closed loop system with two separate regulation loops – an input voltage regulation loop and an output voltage regulation loop. This ensures that the output voltage is maintained within a specified range, providing efficient, low voltage, low power, and low noise regulated power.

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