Inventor · disambiguated record
Xiaoyu Xi
Also filed as: XI XIAOYU · XI XIAOYU FRANK
49 granted patents·4 pending applications·1,158 citations·filing 1998–2025
98Inventor score
Files withM3 TECH INC19TEXAS INSTRUMENTS INC15XI XIAOYU7ST ERICSSON SA3CHENGDU MONOLITHIC POWER SYS1
Top patents by PatentIndex Score
53 records- 0199US6246221B1PMOS low drop-out voltage regulator using non-inverting variable gain stageTEXAS INSTRUMENTS INC·Filed 2000·Granted Jun 12, 2001·267 cites·25 claims
- 0297US10992231B1Buck-boost converter and control methodM3 TECH INC·Filed 2019·Granted Apr 27, 2021·21 cites·20 claims
- 0397US6465994B1Low dropout voltage regulator with variable bandwidth based on load currentTEXAS INSTRUMENTS INC·Filed 2002·Granted Oct 15, 2002·120 cites·20 claims
- 0496US8717002B2Constant on-time converter and control method thereofXI XIAOYU·Filed 2012·Granted May 6, 2014·29 cites·12 claims
- 0595US6806690B2Ultra-low quiescent current low dropout (LDO) voltage regulator with dynamic bias and bandwidthTEXAS INSTRUMENTS INC·Filed 2003·Granted Oct 19, 2004·69 cites·20 claims
- 0695US6677735B2Low drop-out voltage regulator having split power deviceTEXAS INSTRUMENTS INC·Filed 2001·Granted Jan 13, 2004·71 cites·21 claims
- 0794US10476387B1Switching frequency control apparatus and control method thereofM3 TECH INC·Filed 2018·Granted Nov 12, 2019·18 cites·20 claims
- 0894US6541946B1Low dropout voltage regulator with improved power supply rejection ratioTEXAS INSTRUMENTS INC·Filed 2002·Granted Apr 1, 2003·70 cites·20 claims
- 0994US5982309AParallel-to-serial CMOS data converter with a selectable bit width mode D flip-flop M matrixUNIV IOWA STATE RES FOUND INC·Filed 1998·Granted Nov 9, 1999·112 cites·29 claims
- 1093US10418907B1Control circuit and method for switching power convertersM3 TECH INC·Filed 2018·Granted Sep 17, 2019·6 cites·15 claims
- 1193US10250142B1Advanced constant off-time control for four-switch buckboost converterM3 TECH INC·Filed 2018·Granted Apr 2, 2019·11 cites·18 claims
- 1292US9774255B2Synchronous buck DC-DC converter and method thereofM3 TECH INC·Filed 2016·Granted Sep 26, 2017·10 cites·7 claims
- 1392US6617833B1Self-initialized soft start for Miller compensated regulatorsTEXAS INSTRUMENTS INC·Filed 2002·Granted Sep 9, 2003·58 cites·6 claims
- 1490US8891258B2Switch mode power supply and control method thereofZHANG YONGLIANG·Filed 2012·Granted Nov 18, 2014·20 cites·19 claims
- 1590US6600299B2Miller compensated NMOS low drop-out voltage regulator using variable gain stageTEXAS INSTRUMENTS INC·Filed 2001·Granted Jul 29, 2003·72 cites·27 claims
- 1690US2025357863A1Buck-Boost Converter and Hybrid Control MethodM3 TECH INC·Filed 2025·Application pending·0 cites
- 1789US6836148B2Versatile high voltage outputs using low voltage transistorsTEXAS INSTRUMENTS INC·Filed 2002·Granted Dec 28, 2004·47 cites·28 claims
- 1887US8686703B2Switching power supply with fixed off time mode and control method thereofXI XIAOYU·Filed 2012·Granted Apr 1, 2014·9 cites·16 claims
- 1984US10651722B2Advanced constant off-time control for four-switch buck-boost converterM3 TECH INC·Filed 2019·Granted May 12, 2020·4 cites·19 claims
- 2083US8129973B2Controlling a voltage regulatorXI XIAOYU·Filed 2010·Granted Mar 6, 2012·6 cites·7 claims
- 2180US12126262B2Dual-phase constant on-time power converter and control methodM3 TECH INC·Filed 2023·Granted Oct 22, 2024·0 cites·20 claims
- 2279US12438465B2Buck-boost converter and hybrid control methodM3 TECH INC·Filed 2023·Granted Oct 7, 2025·0 cites·20 claims
- 2379US8880969B2Switching converter with pulse skipping mode and control method thereofXI XIAOYU·Filed 2012·Granted Nov 4, 2014·5 cites·16 claims
- 2477US8928300B2Control circuits for switching power converters and associated methodsXI XIAOYU·Filed 2012·Granted Jan 6, 2015·5 cites·14 claims
- 2577US6995587B2Low voltage low power bandgap circuitTEXAS INSTRUMENTS INC·Filed 2004·Granted Feb 7, 2006·20 cites·2 claims
- 2676US11848609B2Control circuit and method for switching power convertersM3 TECH INC·Filed 2022·Granted Dec 19, 2023·0 cites·19 claims
- 2776US6989708B2Low voltage low power bandgap circuitTEXAS INSTRUMENTS INC·Filed 2003·Granted Jan 24, 2006·19 cites·10 claims
- 2875US7355375B2Dynamic bias circuit for use with a stacked device arrangementNXP BV·Filed 2005·Granted Apr 8, 2008·9 cites·30 claims
- 2971US11303213B2Control circuit and method for switching power convertersM3 TECH INC·Filed 2020·Granted Apr 12, 2022·0 cites·20 claims
- 3070US11705811B2Buck-boost converter and hybrid control methodM3 TECH INC·Filed 2020·Granted Jul 18, 2023·0 cites·18 claims
- 3170US11682973B2Advanced constant off-time control for four-switch buck-boost converterM3 TECH INC·Filed 2021·Granted Jun 20, 2023·0 cites·20 claims
- 3269US11901821B2Dual-phase constant on-time power converter and control methodM3 TECH INC·Filed 2021·Granted Feb 13, 2024·0 cites·18 claims
- 3369US11522457B2Buck-boost converter and control methodM3 TECH INC·Filed 2021·Granted Dec 6, 2022·0 cites·20 claims
- 3469US8138734B2Accurate current limit for peak current mode DC-DC converterXI XIAOYU·Filed 2009·Granted Mar 20, 2012·9 cites·8 claims
- 3569US7151361B2Current sensing circuitry for DC-DC convertersTEXAS INSTRUMENTS INC·Filed 2004·Granted Dec 19, 2006·21 cites·23 claims
- 3668US11121626B2Switching frequency control apparatus and control method thereofM3 TECH INC·Filed 2019·Granted Sep 14, 2021·1 cites·20 claims
- 3768US7737673B2Controlling a voltage regulatorSILICON LAB INC·Filed 2005·Granted Jun 15, 2010·7 cites·21 claims
- 3865US11121632B2Advanced constant off-time control for four-switch buck-boost converterM3 TECH INC·Filed 2020·Granted Sep 14, 2021·0 cites·20 claims
- 3965US9431906B2Voltage converter circuit and associated control method to improve transient performanceCHENGDU MONOLITHIC POWER SYS·Filed 2013·Granted Aug 30, 2016·2 cites·22 claims
- 4062US10778102B2Control circuit and method for switching power convertersM3 TECH INC·Filed 2019·Granted Sep 15, 2020·0 cites·19 claims
- 4161US8803719B2Sample and hold circuit with toggle control and method thereofLI YIKE·Filed 2012·Granted Aug 12, 2014·2 cites·15 claims
- 4258US7812583B2Management of regulator-induced switching noise for sampled systemsST ERICSSON SA·Filed 2009·Granted Oct 12, 2010·3 cites·21 claims
- 4358US7652457B2Switching regulator circuit including an inductor shunt switchST ERICSSON SA·Filed 2005·Granted Jan 26, 2010·4 cites·27 claims
- 4456US6970339B2Current limit protection scheme for PWM buck converter with synchronous rectifierTEXAS INSTRUMENTS INC·Filed 2004·Granted Nov 29, 2005·13 cites·3 claims
- 4553US10770961B2Power converter with adjustable rampM3 TECH INC·Filed 2018·Granted Sep 8, 2020·0 cites·20 claims
- 4649US6809590B1Output stage using positive feedback to provide large current sourcing capabilityTEXAS INSTRUMENTS INC·Filed 2003·Granted Oct 26, 2004·6 cites·13 claims
- 4749US6300831B1Compensating a Gm-boosted folded-cascode amplifierTEXAS INSTRUMENTS INC·Filed 1999·Granted Oct 9, 2001·11 cites·18 claims
- 4841US7535209B2Management of regulator-induced switching noise for sampled systemsST ERICSSON SA·Filed 2005·Granted May 19, 2009·0 cites·18 claims
- 4939US2011241642A1Voltage converterMONOLITHIC POWER SYSTEMS INC·Filed 2011·Application pending·0 cites
- 5038US6856117B2Detection circuit having an adaptive thresholdTEXAS INSTRUMENTS INC·Filed 2004·Granted Feb 15, 2005·1 cites·20 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →