Assignee
UPI SEMICONDUCTOR CORP
TW·107 granted patents·25 pending applications·262 citations·filing 2007–2025
Top patents by PatentIndex Score
132 records- 0196US7609114B2Voltage generating apparatus and methodsUPI SEMICONDUCTOR CORP·Filed 2008·Granted Oct 27, 2009·92 cites·14 claims
- 0290US8030908B2Control method for multi-phase DC-DC controller and multi-phase DC-DC controllerUPI SEMICONDUCTOR CORP·Filed 2008·Granted Oct 4, 2011·26 cites·26 claims
- 0389US10103727B1Power switch circuit and integrated circuit of power switch controllerUPI SEMICONDUCTOR CORP·Filed 2018·Granted Oct 16, 2018·8 cites·16 claims
- 0487US11283355B2Power conversion circuit and simulation current signal generation circuit thereofUPI SEMICONDUCTOR CORP·Filed 2020·Granted Mar 22, 2022·3 cites·12 claims
- 0586US9859883B2Gate driver and control method thereofUPI SEMICONDUCTOR CORP·Filed 2014·Granted Jan 2, 2018·7 cites·17 claims
- 0685US11258360B2Switched-capacitor power converting apparatus and operating method thereofUPI SEMICONDUCTOR CORP·Filed 2020·Granted Feb 22, 2022·3 cites·9 claims
- 0784US7923977B2DC-DC converters with transient response controlUPI SEMICONDUCTOR CORP·Filed 2008·Granted Apr 12, 2011·21 cites·26 claims
- 0883US11502601B2Control circuit and control method of power converterUPI SEMICONDUCTOR CORP·Filed 2021·Granted Nov 15, 2022·1 cites·19 claims
- 0983US11199564B2Current sensing circuitUPI SEMICONDUCTOR CORP·Filed 2020·Granted Dec 14, 2021·2 cites·8 claims
- 1082US2026095097A1Method of operating controller of power conversion circuitUPI SEMICONDUCTOR CORP·Filed 2025·Application pending·0 cites
- 1181US12074520B2Smart power stage module, current monitoring signal generation circuit and method thereofUPI SEMICONDUCTOR CORP·Filed 2022·Granted Aug 27, 2024·2 cites·8 claims
- 1280US12009749B2Smart power stage circuit of power converter and current monitoring circuit thereofUPI SEMICONDUCTOR CORP·Filed 2022·Granted Jun 11, 2024·1 cites·10 claims
- 1379US9001482B2Short-circuit protection circuit of light emitting diode and short-circuit protection method thereof and light emitting diode driving apparatus using the sameUPI SEMICONDUCTOR CORP·Filed 2013·Granted Apr 7, 2015·6 cites·19 claims
- 1478US11316428B2Time signal generating circuit of power converter and control method thereofUPI SEMICONDUCTOR CORP·Filed 2020·Granted Apr 26, 2022·1 cites·17 claims
- 1578US11025046B2Power switch circuitUPI SEMICONDUCTOR CORP·Filed 2020·Granted Jun 1, 2021·2 cites·11 claims
- 1678US9859740B2Adapter, portable electronic device and charge control method thereofUPI SEMICONDUCTOR CORP·Filed 2015·Granted Jan 2, 2018·4 cites·23 claims
- 1778US9666505B1Power MOS transistor die with temperature sensing function and integrated circuitUPI SEMICONDUCTOR CORP·Filed 2016·Granted May 30, 2017·6 cites·9 claims
- 1877US10917008B2Output stage circuit of power conversion circuitUPI SEMICONDUCTOR CORP·Filed 2019·Granted Feb 9, 2021·2 cites·11 claims
- 1977US9843252B1Multi-phase power controller, multi-phase power control device and operation method of multi-phase power controllerUPI SEMICONDUCTOR CORP·Filed 2017·Granted Dec 12, 2017·3 cites·11 claims
- 2074US10855182B2Power conversion circuit and operating method thereofUPI SEMICONDUCTOR CORP·Filed 2019·Granted Dec 1, 2020·2 cites·8 claims
- 2174US10270242B2Multi-channel transient voltage suppressorUPI SEMICONDUCTOR CORP·Filed 2016·Granted Apr 23, 2019·2 cites·7 claims
- 2274US10263417B2Transient voltage suppressing integrated circuitUPI SEMICONDUCTOR CORP·Filed 2016·Granted Apr 16, 2019·2 cites·10 claims
- 2373US11463080B2Power switch circuitUPI SEMICONDUCTOR CORP·Filed 2021·Granted Oct 4, 2022·1 cites·10 claims
- 2473US8878460B2DC-DC converter protection circuit and protection method thereofUPI SEMICONDUCTOR CORP·Filed 2014·Granted Nov 4, 2014·5 cites·16 claims
- 2573US8350545B2Current balancerUPI SEMICONDUCTOR CORP·Filed 2010·Granted Jan 8, 2013·4 cites·12 claims
- 2672US9852860B2Parameter setting circuit of a power conversion apparatus and a method for generating a currentUPI SEMICONDUCTOR CORP·Filed 2016·Granted Dec 26, 2017·2 cites·21 claims
- 2772US9467044B2Timing generator and timing signal generation method for power converterUPI SEMICONDUCTOR CORP·Filed 2014·Granted Oct 11, 2016·3 cites·12 claims
- 2872US8624574B2Pulse width modulation controller of DC-DC converterUPI SEMICONDUCTOR CORP·Filed 2013·Granted Jan 7, 2014·3 cites·11 claims
- 2972US7928704B2Droop circuits and multi-phase DC-DC convertersUPI SEMICONDUCTOR CORP·Filed 2008·Granted Apr 19, 2011·10 cites·12 claims
- 3071US11502508B2Battery secondary protection circuit and mode switching method thereofUPI SEMICONDUCTOR CORP·Filed 2021·Granted Nov 15, 2022·1 cites·13 claims
- 3171US11075296B2Trench gate MOSFET and method of manufacturing the sameUPI SEMICONDUCTOR CORP·Filed 2019·Granted Jul 27, 2021·1 cites·5 claims
- 3271US9634563B2Ramp signal generating method and generator thereof, and pulse width modulation signal generatorUPI SEMICONDUCTOR CORP·Filed 2014·Granted Apr 25, 2017·3 cites·4 claims
- 3369US9116534B2DC-DC controller having transient response enhancementUPI SEMICONDUCTOR CORP·Filed 2013·Granted Aug 25, 2015·4 cites·8 claims
- 3467US12483130B2Controller of power conversion circuit and operating method thereofUPI SEMICONDUCTOR CORP·Filed 2023·Granted Nov 25, 2025·0 cites·4 claims
- 3566US10879794B2DC-DC controller with DCM controlUPI SEMICONDUCTOR CORP·Filed 2019·Granted Dec 29, 2020·1 cites·6 claims
- 3666US9974336B2Power control circuit and power control method for electronic cigaretteUPI SEMICONDUCTOR CORP·Filed 2015·Granted May 22, 2018·2 cites·6 claims
- 3766US9331571B2Power converter with automatic on-time extension function and operating method thereofUPI SEMICONDUCTOR CORP·Filed 2014·Granted May 3, 2016·2 cites·10 claims
- 3866US8816746B2Integrated circuit with multi-functional parameter setting and multi-functional parameter setting method thereofUPI SEMICONDUCTOR CORP·Filed 2013·Granted Aug 26, 2014·3 cites·12 claims
- 3965US9331575B2Phase adjustment circuit of power converter, power converter, and control method thereofUPI SEMICONDUCTOR CORP·Filed 2014·Granted May 3, 2016·2 cites·11 claims
- 4064US11527643B2Trench gate MOSFET and method of manufacturing the sameUPI SEMICONDUCTOR CORP·Filed 2021·Granted Dec 13, 2022·0 cites·4 claims
- 4164US9269326B2Voltage compensation circuit and operation method thereofUPI SEMICONDUCTOR CORP·Filed 2013·Granted Feb 23, 2016·2 cites·7 claims
- 4264US9024599B2Multi-phase DC-DC power converterUPI SEMICONDUCTOR CORP·Filed 2013·Granted May 5, 2015·2 cites·12 claims
- 4362US11309784B2Power conversion circuit with multi-functional pin and multi-function setting method thereofUPI SEMICONDUCTOR CORP·Filed 2020·Granted Apr 19, 2022·0 cites·10 claims
- 4462US9000741B2Multi-phase DC-DC converter and controlling method thereofUPI SEMICONDUCTOR CORP·Filed 2013·Granted Apr 7, 2015·2 cites·16 claims
- 4561US10680511B2DC-DC converting controllerUPI SEMICONDUCTOR CORP·Filed 2019·Granted Jun 9, 2020·1 cites·10 claims
- 4661US10574141B2Current mirror calibration circuit and current mirror calibration methodUPI SEMICONDUCTOR CORP·Filed 2019·Granted Feb 25, 2020·1 cites·16 claims
- 4760US12308731B2Controller of power conversion circuit and operating method thereofUPI SEMICONDUCTOR CORP·Filed 2023·Granted May 20, 2025·0 cites·14 claims
- 4860US2026025015A1Protection circuit of battery and operating method thereofUPI SEMICONDUCTOR CORP·Filed 2024·Application pending·0 cites
- 4958US12512759B2Controller of buck-boost conversion circuit and mode switching method thereofUPI SEMICONDUCTOR CORP·Filed 2023·Granted Dec 30, 2025·0 cites·12 claims
- 5058US9647540B2Timing generator and timing signal generation method for power converterUPI SEMICONDUCTOR CORP·Filed 2014·Granted May 9, 2017·1 cites·8 claims
Showing the top 50 of 132 patent records by PatentIndex Score.
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