Assignee
ACTIVE SEMI INC
VG·77 granted patents·2 pending applications·682 citations·filing 2006–2022
Top patents by PatentIndex Score
79 records- 0198US9705402B1Power loss protection integrated circuitACTIVE-SEMI INC·Filed 2016·Granted Jul 11, 2017·22 cites·20 claims
- 0297US7581198B2Method and system for the modular design and layout of integrated circuitsACTIVE SEMI INC·Filed 2006·Granted Aug 25, 2009·40 cites·34 claims
- 0396US7667987B2Adjusting inductor switching frequency to compensate for inductance that deviates from a stated magnitude in order to maintain constant output current from a primary-side power converterACTIVE SEMI INC·Filed 2007·Granted Feb 23, 2010·55 cites·24 claims
- 0495US9946279B1Programmable voltage setting with open and short circuit protectionACTIVE SEMI INC·Filed 2017·Granted Apr 17, 2018·19 cites·24 claims
- 0594US9000678B2Reduced flicker AC LED lamp with separately shortable sections of an LED stringACTIVE SEMI INC·Filed 2013·Granted Apr 7, 2015·19 cites·13 claims
- 0694US7904864B2Interconnect layer of a modularly designed analog integrated circuitACTIVE SEMI INC·Filed 2007·Granted Mar 8, 2011·34 cites·24 claims
- 0794US7869229B2Compensating for cord resistance to maintain constant voltage at the end of a power converter cordACTIVE SEMI INC·Filed 2007·Granted Jan 11, 2011·43 cites·23 claims
- 0894US7616459B2System and method for a primary feedback switched mode power supplyACTIVE SEMI INC·Filed 2006·Granted Nov 10, 2009·48 cites·44 claims
- 0993US10020723B1Power loss protection integrated circuit with autonomous capacitor health checkACTIVE SEMI INC·Filed 2016·Granted Jul 10, 2018·6 cites·21 claims
- 1093US7746673B2Flyback constant voltage converter having both a PWFM mode and a PWM modeACTIVE SEMI INC·Filed 2008·Granted Jun 29, 2010·35 cites·24 claims
- 1192US10090675B1Fast settlement of supplement converter for power loss protection systemACTIVE SEMI INC·Filed 2017·Granted Oct 2, 2018·10 cites·21 claims
- 1292US9791482B1Power integrated circuit with autonomous limit checking of ADC channel measurementsACTIVE-SEMI INC·Filed 2017·Granted Oct 17, 2017·5 cites·20 claims
- 1392US9577527B2Current metering for transitioning between operating modes in switching regulatorsACTIVE-SEMI INC·Filed 2015·Granted Feb 21, 2017·9 cites·16 claims
- 1492US9479004B2Buck/boost circuit that charges and discharges multi-cell batteries of a power bank deviceACTIVE-SEMI INC·Filed 2015·Granted Oct 25, 2016·13 cites·20 claims
- 1590US7697308B2Compensating for inductance variation in a power converter using a dual-purpose feedback pinACTIVE SEMI INC·Filed 2008·Granted Apr 13, 2010·20 cites·20 claims
- 1689US9887628B1Power loss protection integrated circuitACTIVE SEMI INC·Filed 2017·Granted Feb 6, 2018·2 cites·20 claims
- 1789US7978484B2Flyback constant voltage converter having both a PWFM mode and a PWM modeACTIVE SEMI INC·Filed 2010·Granted Jul 12, 2011·9 cites·23 claims
- 1889US7635956B2Primary side constant output voltage controllerACTIVE SEMI INC·Filed 2007·Granted Dec 22, 2009·25 cites·19 claims
- 1988US7679936B2Compensating for base current in a primary side power converter that uses an NPN bipolar transistorACTIVE SEMI INC·Filed 2007·Granted Mar 16, 2010·17 cites·21 claims
- 2086US9106071B2Apparatus and methods of bootstrap and over voltage combination clamp for wireless power receiverACTIVE SEMI INC·Filed 2013·Granted Aug 11, 2015·6 cites·23 claims
- 2186US8040699B2Secondary side constant voltage and constant current controllerACTIVE SEMI INC·Filed 2007·Granted Oct 18, 2011·22 cites·21 claims
- 2286US7911814B2Constant current and voltage controller in a three-pin package with dual-use power pinACTIVE SEMI INC·Filed 2008·Granted Mar 22, 2011·22 cites·22 claims
- 2386US7911808B2Primary side constant output current controller with highly improved accuracyACTIVE SEMI INC·Filed 2007·Granted Mar 22, 2011·14 cites·25 claims
- 2486US7788608B2Microbump function assignment in a buck converterACTIVE SEMI INC·Filed 2007·Granted Aug 31, 2010·11 cites·27 claims
- 2585US11002772B2Using PCB temperature compensation trace to perform DCR current sensing in power supply circuitryACTIVE SEMI INC·Filed 2018·Granted May 11, 2021·2 cites·20 claims
- 2685US10985644B1Optimized gate driver for low voltage power loss protection systemACTIVE SEMI INC·Filed 2017·Granted Apr 20, 2021·6 cites·15 claims
- 2785US9882485B2Current metering for transitioning between operating modes in switching regulatorsACTIVE-SEMI INC·Filed 2016·Granted Jan 30, 2018·4 cites·17 claims
- 2885US7800351B2High efficiency voltage regulator with auto power-save modeACTIVE SEMI INC·Filed 2008·Granted Sep 21, 2010·21 cites·21 claims
- 2983US8018741B2Adjusting for conductor loss to regulate constant output voltage in a primary feedback converterACTIVE SEMI INC·Filed 2008·Granted Sep 13, 2011·15 cites·35 claims
- 3083US7961483B2Constant current and voltage controller in a small package with dual-use pinACTIVE SEMI INC·Filed 2009·Granted Jun 14, 2011·12 cites·26 claims
- 3182US9379555B2Adaptive power source for wireless power transmitterACTIVE SEMI INC·Filed 2014·Granted Jun 28, 2016·7 cites·20 claims
- 3282US9178382B2Reversible buck or boost converter that determines boost output current from sensed boost input currentACTIVE SEMI INC·Filed 2013·Granted Nov 3, 2015·7 cites·21 claims
- 3382US8045344B2Regulating output current from a primary side power converter by clamping an error signalACTIVE SEMI INC·Filed 2007·Granted Oct 25, 2011·20 cites·20 claims
- 3480US9350245B2Power management multi-chip module with separate high-side driver integrated circuit dieACTIVE SEMI INC·Filed 2015·Granted May 24, 2016·3 cites·20 claims
- 3579US10768244B2Power loss protection integrated circuit with autonomous capacitor health checkACTIVE SEMI INC·Filed 2018·Granted Sep 8, 2020·1 cites·21 claims
- 3679US10145898B2Battery signature identification systemACTIVE SEMI INC·Filed 2015·Granted Dec 4, 2018·6 cites·19 claims
- 3779US9721742B1Power integrated circuit with autonomous limit checking of ADC channel measurementsACTIVE-SEMI INC·Filed 2016·Granted Aug 1, 2017·1 cites·22 claims
- 3877US11385621B2Methods and apparatus for detecting aging and predicting failures in BLDC and PMSM motorsACTIVE SEMI INC·Filed 2019·Granted Jul 12, 2022·2 cites·20 claims
- 3976US9817458B2Adaptive USB port controllerACTIVE-SEMI INC·Filed 2015·Granted Nov 14, 2017·3 cites·21 claims
- 4076US7978558B2In-circuit programming of output voltage and output current characteristics of a PSR power supplyACTIVE SEMI INC·Filed 2008·Granted Jul 12, 2011·7 cites·27 claims
- 4176US7741870B2Multi-function input terminalACTIVE SEMI INC·Filed 2007·Granted Jun 22, 2010·8 cites·23 claims
- 4275US9509162B2Single-stage AC-to-DC switching converter that directly charges a battery requiring a multi-state charging profileACTIVE-SEMI INC·Filed 2015·Granted Nov 29, 2016·4 cites·21 claims
- 4374US10340797B2Regulator control integrated circuit having COT and valley current modesACTIVE SEMI INC·Filed 2017·Granted Jul 2, 2019·2 cites·21 claims
- 4474US10122272B1Cycle skipping prevent circuit in a regulator of a DC-to-DC converterACTIVE SEMI INC·Filed 2017·Granted Nov 6, 2018·2 cites·22 claims
- 4572US9178413B2Power factor correction autodetectACTIVE SEMI INC·Filed 2013·Granted Nov 3, 2015·4 cites·16 claims
- 4671US11984804B2Resonant charge pump circuitACTIVE SEMI INC·Filed 2022·Granted May 14, 2024·0 cites·15 claims
- 4771US11940776B2Methods and apparatus for detecting aging and predicting failures in BLDC and PMSM motorsACTIVE SEMI INC·Filed 2022·Granted Mar 26, 2024·0 cites·20 claims
- 4870US10097027B2Light load detection and current drain cutoff in a power bank deviceACTIVE SEMI INC·Filed 2017·Granted Oct 9, 2018·1 cites·23 claims
- 4970US7869275B2Memory structure capable of bit-wise write or overwriteACTIVE SEMI INC·Filed 2007·Granted Jan 11, 2011·7 cites·21 claims
- 5069US11381163B2Resonant charge pump circuit with synchronized switchingACTIVE SEMI INC·Filed 2019·Granted Jul 5, 2022·1 cites·20 claims
Showing the top 50 of 79 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when ACTIVE SEMI INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →