US Patent Application 18353369. POWER SUPPLY SYSTEM APPARATUS simplified abstract

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POWER SUPPLY SYSTEM APPARATUS

Organization Name

Murata Manufacturing Co., Ltd.


Inventor(s)

Tatsuya Hosotani of Nagaokakyo-shi (JP)

POWER SUPPLY SYSTEM APPARATUS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18353369 titled 'POWER SUPPLY SYSTEM APPARATUS

Simplified Explanation

The patent application describes a power supply system apparatus that includes multiple power conversion circuits and a microprocessor unit (MPU).

  • The MPU sends oscillation control signals to the power conversion circuits.
  • Each power conversion circuit has an analog electronic circuit called a pulse width modulation control circuit.
  • The power conversion circuit uses a feedback signal from the output voltage to drive switching elements.
  • The integrated system controller includes the MPU and multiple power conversion circuits.
  • The system controller has individual voltage feedback control loops for each power conversion circuit.
  • The control loops use feedback signals to individually control the power conversion circuits.
  • The power supply system supplies power to a load while the power conversion circuits perform driving control simultaneously.


Original Abstract Submitted

A power supply system apparatus includes a plurality of power conversion circuits and an MPU. The MPU outputs oscillation control signals to the plurality of power conversion circuits. Each of the plurality of power conversion circuits includes a pulse width modulation control circuit formed of an analog electronic circuit. For example, the power conversion circuit drives switching elements on the basis of a feedback signal obtained by detecting an output voltage of a common output terminal. An integrated system controller including the MPU and the plurality of power conversion circuits includes a plurality of individual voltage feedback control loops for individually controlling the plurality of power conversion circuits on the basis of feedback signals and supplies power to a load, while the plurality of power conversion circuits performing driving control using the individual voltage feedback control loops at the same time.

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