17936930. BOOST CONVERTER WITH WIDE AVERAGE CURRENT LIMITING RANGE simplified abstract (TEXAS INSTRUMENTS INCORPORATED)

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BOOST CONVERTER WITH WIDE AVERAGE CURRENT LIMITING RANGE

Organization Name

TEXAS INSTRUMENTS INCORPORATED

Inventor(s)

Jian Liang of Shanghai (CN)

Chen Feng of Shanghai (CN)

Zichen Feng of Shanghai (CN)

BOOST CONVERTER WITH WIDE AVERAGE CURRENT LIMITING RANGE - A simplified explanation of the abstract

This abstract first appeared for US patent application 17936930 titled 'BOOST CONVERTER WITH WIDE AVERAGE CURRENT LIMITING RANGE

Simplified Explanation

The patent application describes a boost converter with a wide average current limiting range, including a switch, an inductor, a diode, a clamp circuit, and a minimum time off module.

  • The switch is connected to the inductor output and power input.
  • The diode is connected to the inductor output and output terminal load, allowing current flow in one direction only.
  • The clamp circuit limits the inductor output current to a reference value during continuous conduction mode.
  • The minimum time off module ensures the inductor output current is zero for at least a time T during pulse frequency modulation mode.

Potential Applications

This technology could be applied in various power management systems, such as battery chargers, renewable energy systems, and electric vehicles.

Problems Solved

The boost converter provides a wide average current limiting range, improving efficiency and reliability in power conversion applications.

Benefits

The converter offers precise current limiting capabilities, enhancing system protection and performance. It also allows for flexible operation modes to optimize efficiency.

Potential Commercial Applications

This technology could be utilized in the development of advanced power supply units for industrial, automotive, and consumer electronics markets.

Possible Prior Art

Prior art may include existing boost converter designs with current limiting features, but the wide range and dual-mode operation described in this patent application may represent a novel innovation.

Unanswered Questions

How does this technology compare to existing current limiting methods in boost converters?

This article does not provide a direct comparison to other current limiting techniques in boost converters. Further research or a comparative analysis would be needed to evaluate the advantages and limitations of this innovation.

What are the specific design considerations for implementing this boost converter in different power management systems?

The article does not delve into the specific design considerations for integrating this technology into various applications. Additional information on compatibility, scalability, and customization requirements would be necessary for practical implementation.


Original Abstract Submitted

A boost converter that provides a wide average current limiting range includes a switch coupled to an inductor output and a power input, a diode coupled to the inductor output and an output terminal load and configured to conduct current in only one direction away from the inductor output and toward the output terminal, a clamp circuit coupled to the diode and the switch, and a minimum time off module coupled to the diode and the switch. The clamp circuit is configured to clamp an inductor output current to a reference current while the converter is operating in a continuous conduction mode (CCM) of operation. The minimum time off module is configured to cause the inductor output current to be zero for at least a time Twhile the converter is operating in a pulse frequency modulation (PFM) mode of operation.