18597428. METHOD FOR CALIBRATING A SWITCHING CONVERTER simplified abstract (STMicroelectronics International N.V.)

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METHOD FOR CALIBRATING A SWITCHING CONVERTER

Organization Name

STMicroelectronics International N.V.

Inventor(s)

David Chesneau of Grenoble (FR)

METHOD FOR CALIBRATING A SWITCHING CONVERTER - A simplified explanation of the abstract

This abstract first appeared for US patent application 18597428 titled 'METHOD FOR CALIBRATING A SWITCHING CONVERTER

Simplified Explanation: A buck switching converter is calibrated using a method that alternates between first and second calibration phases. During the first calibration phase, the low-side switch on state time period is kept constant, and the sign of the current value at the end of this time period is determined for each current pulse in the inductor. The high-side switch on state time period is then modified based on this sign. In the second calibration phase, the high-side switch on state time period is kept constant, and the current value at the end of this time period is compared with a target value for each current pulse. The low-side switch on state time period is adjusted based on this comparison.

  • The method involves alternating between first and second calibration phases.
  • During the first calibration phase, the low-side switch on state time period is kept constant.
  • The sign of the current value at the end of this time period is determined for each current pulse in the inductor.
  • The high-side switch on state time period is modified based on this sign.
  • In the second calibration phase, the high-side switch on state time period is kept constant.
  • The current value at the end of this time period is compared with a target value for each current pulse.
  • The low-side switch on state time period is adjusted based on this comparison.

Potential Applications: This technology can be applied in power electronics, renewable energy systems, battery charging systems, and electric vehicles.

Problems Solved: This technology addresses the need for accurate calibration of buck switching converters to optimize their performance and efficiency.

Benefits: - Improved efficiency of buck switching converters - Enhanced performance in various applications - Precise calibration for better power management

Commercial Applications: Title: Advanced Calibration Method for Buck Switching Converters This technology can be utilized in the manufacturing of power electronics components, renewable energy systems, electric vehicle chargers, and battery management systems. It can also be integrated into smart grid technologies for efficient power distribution.

Prior Art: Prior research in the field of power electronics and converter calibration methods can provide insights into similar approaches and technologies.

Frequently Updated Research: Researchers are continually exploring new calibration methods and techniques to enhance the performance of power converters and optimize energy efficiency.

Questions about Buck Switching Converters: 1. What are the key advantages of using a buck switching converter in power electronics applications? - A buck switching converter offers high efficiency and voltage regulation capabilities, making it ideal for various power management systems. 2. How does the calibration process impact the overall performance of a buck switching converter? - Calibration plays a crucial role in ensuring the accurate operation and efficiency of a buck switching converter.


Original Abstract Submitted

A buck switching converter is calibrated using a method which alternates between first and second calibration phases. During each first calibration phase: a time period of low-side switch on state is kept constant and, for each current pulse in an inductor, a sign of a value of the current at the end of the time period of on state of the low-side switch is determined. Modification of a time period of high-side switch on state is made based on the determined sign. During each second calibration phase: a time period of high-side switch on state is kept constant and, for each current pulse in the inductor, a value of the current at the end of the time period of on state of the high-side switch is compared with a target value. Modification of the time period of low-side switch on state is made based on the comparison.

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