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GB2485659B - Power systems with multiple power sources - Google Patents

Power systems with multiple power sources

Info

Publication number
GB2485659B
GB2485659B GB1119644.1A GB201119644A GB2485659B GB 2485659 B GB2485659 B GB 2485659B GB 201119644 A GB201119644 A GB 201119644A GB 2485659 B GB2485659 B GB 2485659B
Authority
GB
United Kingdom
Prior art keywords
power
systems
sources
power sources
power systems
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB1119644.1A
Other versions
GB201119644D0 (en
GB2485659A (en
Inventor
Da Liu
Sjeng-Tai Lee
Ju-Yuan Hsiao
Chang-Yi Lin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
O2Micro Inc
Original Assignee
O2Micro Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US13/289,364 external-priority patent/US20120091816A1/en
Application filed by O2Micro Inc filed Critical O2Micro Inc
Publication of GB201119644D0 publication Critical patent/GB201119644D0/en
Publication of GB2485659A publication Critical patent/GB2485659A/en
Application granted granted Critical
Publication of GB2485659B publication Critical patent/GB2485659B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H02J7/865—
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/375—Switched mode power supply [SMPS] using buck topology
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
GB1119644.1A 2010-11-15 2011-11-15 Power systems with multiple power sources Expired - Fee Related GB2485659B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41357810P 2010-11-15 2010-11-15
US13/289,364 US20120091816A1 (en) 2010-11-15 2011-11-04 Power systems with multiple power sources

Publications (3)

Publication Number Publication Date
GB201119644D0 GB201119644D0 (en) 2011-12-28
GB2485659A GB2485659A (en) 2012-05-23
GB2485659B true GB2485659B (en) 2013-03-27

Family

ID=45444127

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1119644.1A Expired - Fee Related GB2485659B (en) 2010-11-15 2011-11-15 Power systems with multiple power sources

Country Status (1)

Country Link
GB (1) GB2485659B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2560202B (en) * 2017-03-01 2022-01-19 Tridonic Gmbh & Co Kg Emergency lighting converter for different battery technologies

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100201305A1 (en) * 2009-02-09 2010-08-12 Alexandra-Oana Petroianu Method of forming a control circuit and device
US20100270862A1 (en) * 2007-12-03 2010-10-28 Rohm Co., Ltd. Power management circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100270862A1 (en) * 2007-12-03 2010-10-28 Rohm Co., Ltd. Power management circuit
US20100201305A1 (en) * 2009-02-09 2010-08-12 Alexandra-Oana Petroianu Method of forming a control circuit and device

Also Published As

Publication number Publication date
GB201119644D0 (en) 2011-12-28
GB2485659A (en) 2012-05-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20151115