SWITCHING POWER SUPPLY SYSTEM, AND ASSOCIATED CONTROL CIRCUIT TO ELIMINATE FLICKER OF LED

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United States of America Patent

APP PUB NO 20160190941A1
SERIAL NO

14971994

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A switching power supply system has a switching circuit and a control circuit. The control circuit has an integrating circuit providing a charge signal by integrating an output current feedback signal, a charge control circuit, and a switching control circuit controlling the switching circuit based on the charge signal and a charge reference signal. The switching power supply system controls an output current stable via controlling the charge signal, so as to eliminate flicker and shimmer of a LED load with low power loss and simple circuit.

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Patent Owner(s)

Patent OwnerAddress
CHENGDU MONOLITHIC POWER SYSTEMS CO LTDNO 8 KEXIN ROAD WEST ZONE OF HI-TECH ZONE CHENGDU SICHUAN

International Classification(s)

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  • 2015 Application Filing Year
  • H02M Class
  • 2758 Applications Filed
  • 2286 Patents Issued To-Date
  • 82.89 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kuang, Naixing Hangzhou, CN 42 644

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Patent Citation Ranking

  • 6 Citation Count
  • H02M Class
  • 9.77 % this patent is cited more than
  • 9 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges463246915862101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 70020406080100120140160180200220240260280300320340360

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