Electric power conversion systems – Current conversion – Using semiconductor-type converter
Reexamination Certificate
2007-09-17
2009-06-30
Ullah, Akm E (Department: 2838)
Electric power conversion systems
Current conversion
Using semiconductor-type converter
C363S049000, C363S021130
Reexamination Certificate
active
07554826
ABSTRACT:
Techniques are disclosed to control output power from a switching power supply. A sample power converter controller circuit includes a control circuit coupled to be coupled to a switch. The control circuit includes a current sense circuit to be coupled to a primary winding of an energy transfer element coupled to the switch. The control circuit also includes a measurement circuit to be coupled to a secondary winding of the energy transfer element. A feedback circuit is also included and is coupled to the control circuit and coupled to receive a feedback-signal derived from an output of a power converter. The feedback circuit is coupled to output a signal to the measurement circuit. An output of the measurement circuit and an output of the current sense circuit are coupled to control a switching of the switch to regulate a combination of an output voltage and an output current of the power converter. A combination of the output voltage and the output current corresponds to at least one of a regulated output region and an unregulated output region. At least one of the unregulated output regions is a self protection auto-restart region. Within at least one unregulated output region the power converter controller circuit provides continuous output power at a substantially maximum output power of the power converter. Each output region corresponds to a magnitude and duration of the feedback signal.
REFERENCES:
patent: 5119284 (1992-06-01), Fisher et al.
patent: 5359281 (1994-10-01), Barrow et al.
patent: 5949213 (1999-09-01), Lanni
patent: 5969506 (1999-10-01), Neal
patent: 6009008 (1999-12-01), Pelly
patent: 6326769 (2001-12-01), Forsberg
patent: 6456511 (2002-09-01), Wong
patent: 6480043 (2002-11-01), Hall et al.
patent: 6480367 (2002-11-01), Shi et al.
patent: 6696821 (2004-02-01), Haraguchi et al.
patent: 6833692 (2004-12-01), Balakrishnan et al.
patent: 7081740 (2006-07-01), King
patent: 2003/0076079 (2003-04-01), Alcantar et al.
patent: 2003/0132738 (2003-07-01), Balakrishnan et al.
patent: 2003/0142521 (2003-07-01), Hosotani et al.
patent: 2004/0212942 (2004-10-01), Balakrishnan
patent: WO 00/72435 (2000-11-01), None
“LNK500 LinkSwitch® Family, Energy Efficient, CV or CV/CC Switcher for Very Low Cost Adapters and Chargers,” Power Integrations, Inc., (Mar. 2003), pp. 1-20.
“TOP242-250 TOPSwitch®-GX Family, Extended Power, Design Flexible, EcoSmart®, Integrated Off-line Switcher,” Power Integrations, Inc., (Mar. 2004), pp. 1-52.
EP 05 25 7869 - European Search Report, dated Dec. 23, 2008 (Publication No. EP 1 737 112).
Behm Harry
Blakely , Sokoloff, Taylor & Zafman LLP
Power Integrations, Inc.
Ullah Akm E
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