18446332. TECHNIQUES FOR OPERATING A SWITCHED-MODE POWER SUPPLY simplified abstract (QUALCOMM Incorporated)

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TECHNIQUES FOR OPERATING A SWITCHED-MODE POWER SUPPLY

Organization Name

QUALCOMM Incorporated

Inventor(s)

Sunghyun Park of Campbell CA (US)

Pavan Kumar Ramakrishna of San Jose CA (US)

Roger Brockenbrough of Los Gatos CA (US)

TECHNIQUES FOR OPERATING A SWITCHED-MODE POWER SUPPLY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18446332 titled 'TECHNIQUES FOR OPERATING A SWITCHED-MODE POWER SUPPLY

Simplified Explanation

The patent application describes techniques and apparatus for transitioning between various operating modes for a switched-mode power supply (SMPS) in a wireless local area network (WLAN) device powered by a coin cell battery to maintain performance and functionality of the WLAN device and efficiency of the SMPS.

  • An integrated circuit (IC) for power management is provided.
  • The IC includes a first port for coupling to a battery and a first terminal of a capacitive element.
  • It also includes a second port for coupling to a second terminal of the capacitive element.
  • The IC further includes a SMPS with an input coupled to the first port.
  • A switch is coupled between the second port and a reference potential node for the IC.

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      1. Potential Applications
  • Low-power wireless devices
  • IoT devices
  • Wearable technology
      1. Problems Solved
  • Maintaining performance and functionality of WLAN devices powered by coin cell batteries
  • Ensuring efficiency of the SMPS in such devices
      1. Benefits
  • Prolonged battery life
  • Enhanced performance and functionality of WLAN devices
  • Improved efficiency of the SMPS


Original Abstract Submitted

Techniques and apparatus for transitioning between various operating modes for a switched-mode power supply (SMPS) in a wireless local area network (WLAN) device powered by a coin cell battery in an effort to maintain performance and functionality of the WLAN device and efficiency of the SMPS. One example apparatus is an integrated circuit (IC) for power management. The IC generally includes: a first port for coupling to a battery and a first terminal of a capacitive element; a second port for coupling to a second terminal of the capacitive element; a SMPS having an input coupled to the first port; and a switch coupled between the second port and a reference potential node for the IC.

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