IP Library Granted Patent US 12,719,270
Granted Patent B2
US 12,719,270 · App. 18/360,748 · Granted Aug 25, 2026

Enhanced system and method for string balancing

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Quick Facts
Patent No.
US 12,719,270
App. No.
18/360,748
Filed
Jul 27, 2023
Granted
Aug 25, 2026
Kind
B2
Art Unit
2836
USPC
307/78
Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 2, 2026
From: TIGO ENERGY, INC.
To: TIGO ENERGY INNOVATIONS LLC
Reel/Frame 073351/0442 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 3, 2023
From: ARDITI, SHMUEL; HADAR, RON
To: TIGO ENERGY, INC.
Reel/Frame 064486/0681 →
Continuity (7)
Continuation 18058571 · Nov 23, 2022
Division 16881540 · May 22, 2020
Continuation 15172996 · Jun 3, 2016
Continuation 13418279 · Mar 12, 2012
Provisional Application 61512785 · Jul 28, 2011
Provisional Application 61547655 · Oct 14, 2011
Related Publication 20230369851A1 · Nov 16, 2023
References Cited (153)
US 5235266A · Schaffrin · 1993 [cited by applicant]
US 5268832A · Kandatsu · 1993 [cited by applicant]
US 5604430A · Decker et al. · 1997 [cited by applicant]
US 5648731A · Decker et al. · 1997 [cited by applicant]
US 5923158A · Kurokami et al. · 1999 [cited by applicant]
US 6246219B1 · Lynch · 2001 [cited by examiner]
US 6275016B1 · Ivanov · 2001 [cited by applicant]
US 6433978B1 · Neiger et al. · 2002 [cited by applicant]
US 6448489B2 · Kimura et al. · 2002 [cited by applicant]
US 6509712B1 · Landis · 2003 [cited by examiner]
US 6650031B1 · Goldack · 2003 [cited by applicant]
US 6844739B2 · Kasai et al. · 2005 [cited by applicant]
US 6894911B2 · Telefus et al. · 2005 [cited by applicant]
US 6984970B2 · Capel · 2006 [cited by applicant]
US 7061214B2 · Mayega et al. · 2006 [cited by applicant]
US 7248946B2 · Bashaw et al. · 2007 [cited by applicant]
US 7256566B2 · Bhavaraju et al. · 2007 [cited by applicant]
US 7259474B2 · Blanc · 2007 [cited by applicant]
US 7274116B2 · Inoue · 2007 [cited by examiner]
US 7276886B2 · Kinder et al. · 2007 [cited by applicant]
US 7336004B2 · Lai · 2008 [cited by applicant]
US 7462955B2 · McNamara et al. · 2008 [cited by applicant]
US 7474016B2 · Wang · 2009 [cited by examiner]
US 7518266B2 · Eckroad · 2009 [cited by applicant]
US 7518346B2 · Prexl et al. · 2009 [cited by applicant]
US 7538451B2 · Nomoto · 2009 [cited by applicant]
US 7545053B2 · Yoshikawa et al. · 2009 [cited by applicant]
US 7595616B2 · Prexl et al. · 2009 [cited by applicant]
US 7602080B1 · Hadar et al. · 2009 [cited by applicant]
US 7605498B2 · Ledenev et al. · 2009 [cited by applicant]
US 7709727B2 · Roehrig et al. · 2010 [cited by applicant]
US 7719140B2 · Ledenev et al. · 2010 [cited by applicant]
US 7768154B2 · Taylor · 2010 [cited by examiner]
US 7786375B2 · Swanson · 2010 [cited by examiner]
US 7962249B1 · Zhang · 2011 [cited by examiner]
US 7969133B2 · Zhang et al. · 2011 [cited by applicant]
US 7989983B2 · Folts et al. · 2011 [cited by applicant]
US 8013472B2 · Adest et al. · 2011 [cited by applicant]
US 8050752B2 · Babaev · 2011 [cited by applicant]
US 8053929B2 · Williams et al. · 2011 [cited by applicant]
US 8058747B2 · Avrutsky et al. · 2011 [cited by applicant]
US 8058752B2 · Erickson, Jr. et al. · 2011 [cited by applicant]
US 8102074B2 · Hadar et al. · 2012 [cited by applicant]
US 8212408B2 · Fishman · 2012 [cited by applicant]
US 8314375B2 · Arditi et al. · 2012 [cited by applicant]
US 8338989B2 · Thompson · 2012 [cited by examiner]
US 8344548B2 · Stern · 2013 [cited by applicant]
US 8401500B1 · Bauder · 2013 [cited by examiner]
US 8686333B2 · Arditi et al. · 2014 [cited by applicant]
US 8773236B2 · Makhota et al. · 2014 [cited by applicant]
US 8860246B2 · Hadar et al. · 2014 [cited by applicant]
US 9142960B2 · Williams et al. · 2015 [cited by applicant]
US 9142965B2 · Grana · 2015 [cited by applicant]
US 9368965B2 · Arditi et al. · 2016 [cited by applicant]
US 9401439B2 · Arditi et al. · 2016 [cited by applicant]
US 9431825B2 · Arditi et al. · 2016 [cited by applicant]
US 9847646B2 · Grana · 2017 [cited by applicant]
US 10312692B2 · Arditi et al. · 2019 [cited by applicant]
US 10673244B2 · Arditi et al. · 2020 [cited by applicant]
US 11728645B2 · Arditi et al. · 2023 [cited by applicant]
US 20050057214A1 · Matan · 2005 [cited by applicant]
US 20050057215A1 · Matan · 2005 [cited by applicant]
US 20050172995A1 · Rohrig et al. · 2005 [cited by applicant]
US 20060001406A1 · Matan · 2006 [cited by applicant]
US 20060006850A1 · Inoue · 2006 [cited by examiner]
US 20060162772A1 · Presher, Jr. et al. · 2006 [cited by applicant]
US 20060174939A1 · Matan · 2006 [cited by applicant]
US 20060185727A1 · Matan · 2006 [cited by applicant]
US 20070273211A1 · Wang · 2007 [cited by examiner]
US 20070273351A1 · Matan · 2007 [cited by applicant]
US 20070274113A1 · Wang · 2007 [cited by examiner]
US 20080066801A1 · Schwarze · 2008 [cited by examiner]
US 20080097655A1 · Hadar et al. · 2008 [cited by applicant]
US 20080121272A1 · Besser et al. · 2008 [cited by applicant]
US 20080122449A1 · Besser et al. · 2008 [cited by applicant]
US 20080122518A1 · Besser et al. · 2008 [cited by applicant]
US 20080123373A1 · Roesner · 2008 [cited by examiner]
US 20080150366A1 · Adest et al. · 2008 [cited by applicant]
US 20080164766A1 · Adest et al. · 2008 [cited by applicant]
US 20080179949A1 · Besser et al. · 2008 [cited by applicant]
US 20080191560A1 · Besser et al. · 2008 [cited by applicant]
US 20080191675A1 · Besser et al. · 2008 [cited by applicant]
US 20080238372A1 · Cintra et al. · 2008 [cited by applicant]
US 20080272653A1 · Inoue et al. · 2008 [cited by applicant]
US 20080303503A1 · Wolfs · 2008 [cited by applicant]
US 20090059630A1 · Williams · 2009 [cited by applicant]
US 20090141522A1 · Adest et al. · 2009 [cited by applicant]
US 20090284232A1 · Zhang et al. · 2009 [cited by applicant]
US 20090284240A1 · Zhang et al. · 2009 [cited by applicant]
US 20100026097A1 · Avrutsky et al. · 2010 [cited by applicant]
US 20100085670A1 · Palaniswami et al. · 2010 [cited by applicant]
US 20100127571A1 · Hadar · 2010 [cited by examiner]
US 20100132757A1 · He et al. · 2010 [cited by applicant]
US 20100133911A1 · Williams et al. · 2010 [cited by applicant]
US 20100289338A1 · Stauth et al. · 2010 [cited by applicant]
US 20100308662A1 · Schatz · 2010 [cited by examiner]
US 20110025130A1 · Hadar · 2011 [cited by examiner]
US 20110057724A1 · Pabon · 2011 [cited by examiner]
US 20110210610A1 · Mitsuoka et al. · 2011 [cited by applicant]
US 20110221273A1 · Thompson · 2011 [cited by examiner]
US 20110273015A1 · Adest et al. · 2011 [cited by applicant]
US 20110285375A1 · Deboy · 2011 [cited by examiner]
US 20110304204A1 · Avrutsky et al. · 2011 [cited by applicant]
US 20120044014A1 · Stratakos et al. · 2012 [cited by applicant]
US 20120080955A1 · Fishman et al. · 2012 [cited by applicant]
US 20120199172A1 · Avrutsky · 2012 [cited by applicant]
US 20120240490A1 · Gangemi · 2012 [cited by applicant]
US 20120253541A1 · Arditi et al. · 2012 [cited by applicant]
US 20120255591A1 · Arditi et al. · 2012 [cited by applicant]
US 20130026838A1 · Ma et al. · 2013 [cited by applicant]
US 20130026839A1 · Grana · 2013 [cited by applicant]
US 20130026840A1 · Arditi et al. · 2013 [cited by applicant]
US 20130026842A1 · Arditi et al. · 2013 [cited by applicant]
US 20130026843A1 · Arditi et al. · 2013 [cited by applicant]
US 20130069438A1 · Liu · 2013 [cited by examiner]
US 20150357821A1 · Grana · 2015 [cited by applicant]
US 20160285272A1 · Arditi et al. · 2016 [cited by applicant]
US 20160344194A1 · Arditi et al. · 2016 [cited by applicant]
US 20170012435A1 · Arditi et al. · 2017 [cited by applicant]
US 20180109113A1 · Grana · 2018 [cited by applicant]
US 20200358292A1 · Arditi et al. · 2020 [cited by applicant]
US 20230084452A1 · Arditi et al. · 2023 [cited by applicant]
AU 2005262278 · 2005 [cited by applicant]
DE 4232356 · 1994 [cited by applicant]
DE 19961705 · 2001 [cited by applicant]
EP 1388774 · 2004 [cited by applicant]
ES 2249147 · 2006 [cited by applicant]
JP 07016552 · 1995 [cited by applicant]
JP 11046457 · 1999 [cited by applicant]
JP 2000166097 · 2008 [cited by applicant]
WO 2003012569 · 2003 [cited by applicant]
WO 2005112551 · 2005 [cited by applicant]
Alonso, R. et al., “A New Distributed Converter Interface for PV Panels,” 20th European Photovoltaic Solar Energy Conference, Barcelona, Spain, pp. 2288-2291, Jun. 6-10, 2005. [cited by applicant]
Alonso, R. et al., “Experimental Results of Intelligent PV Module for Grid-Connected PV Systems,” 21st European Photovoltaic Solar Energy Conference, Dresden, Germany, pp. 2297-2300, Sep. 4-8, 2006. [cited by applicant]
Basso, Tim, “IEEE Standard for Interconnecting Distributed Resources With the Electric Power System,” IEEE PES Meeting, Jun. 9, 2004. [cited by applicant]
Boostbuck.com, “The Four Boostbuck Topologies,” located at http://www.boostbuck.com/TheFourTopologies.html, 2003. [cited by applicant]
Enslin, Johan H.R., et al., “Integrated Photovoltaic Maximum Power Point Tracking Converter,” IEEE Transactions on Industrial Electronics, vol. 44, No. 6, pp. 769-773, Dec. 1997. [cited by applicant]
Gautam, Nalin K. et al., “An Efficient Algorithm to Simulate the Electrical Performance of Solar Photovoltaic Arrays,” Energy, vol. 27, No. 4, pp. 347-361, 2002. [cited by applicant]
International Application No. PCT/US12/44045, International Preliminary Examination Report, Feb. 6, 2014. [cited by applicant]
International Patent Application No. PCT/US2009/047734, International Search Report & Written Opinion, May 4, 2010. [cited by applicant]
International Patent Application No. PCT/US2012/044045, International Search Report and Written Opinion, Jan. 2, 2013. [cited by applicant]
Linares, Leonor et al., “Improved Energy Capture in Series String Photovoltaics via Smart Distributed Power Electronics,” 24th Annual IEEE Applied Power Electronics Conference and Exposition, pp. 904-910, Feb. 15, 2009. [cited by applicant]
Roman, Eduardo, et al., “Intelligent PV Module for Grid-Connected PV Systems,” IEEE Transactions on Industrial Electronics, vol. 53, No. 4, pp. 1066-1073, Aug. 2006. [cited by applicant]
Walker, G. R. et al., “Cascaded DC-DC Converter Connection of Photovoltaic Modules,” 33rd IEEE Power Electronics Specialists Conference (PESC'02), vol. 1, pp. 24-29, 2002. [cited by applicant]
Walker, Geoffrey R. et al., “Cascaded DC-DC Converter Connection of Photovoltaic Modules,” IEEE Transactions on Power Electronics, vol. 19, No. 4, pp. 1130-1139, Jul. 2004. [cited by applicant]
Nordmann, T. et al., “Performance of PV Systems Under Real Conditions,” European Workshop on Life Cycle Analysis and Recycling of Solar Modules, The “Waste” Challenge, Brussels, Belgium, Mar. 18-19, 2004. [cited by applicant]
Palma, L. et al., “A Modular Fuel Cell, Modular DC-DC Converter Concept for High Performance and Enhanced Reliability,” 38th IEEE Power Electronics Specialists Conference (PESC'07), pp. 2633-2638, Jun. 17, 2007. [cited by applicant]
Quaschning, V. et al., “Cost Effectiveness of Shadow Tolerant Photovoltaic Systems,” Euronsun 96, pp. 819-824, Sep. 16, 1996. [cited by applicant]
Uriarte, S. et al., “Energy Integrated Management System for PV Applications,” 20th European Photovoltaic Solar Energy Conference, Jun. 6, 2005. [cited by applicant]
Title: Enhanced System and Method for String-balancing U.S. Appl. No. 13/418,279, filed Mar. 12, 2012 Status Date: May 5, 2016 Inventors: Shmuel Arditi, et al. Status: Patented Case. [cited by applicant]
Title: Enhanced System and Method for String Balancing U.S. Appl. No. 15/172,996, filed Jun. 3, 2016 Status Date: May 13, 2020 Inventors: Shmuel Arditi, et al. Status: Patented Case. [cited by applicant]
Title: Enhanced System and Method for String Balancing U.S. Appl. No. 16/881,540, filed May 22, 2020 Status Date: May 24, 2023 Inventors: Shmuel, Arditi, et al. Status: Abandoned—Failure to Respond to an Office Action. [cited by applicant]
Title: Enhanced System and Method for String Balancing U.S. Appl. No. 18/058,571, filed Nov. 23, 2022 Status Date: Jul. 26, 2023 Inventors: Shmuel Arditi, et al. Status: Patented Case. [cited by applicant]