Inventor · disambiguated record
Chunping Song
Also filed as: SONG CHUNPING
26 granted patents·8 pending applications·294 citations·filing 2004–2024
96Inventor score
Top patents by PatentIndex Score
34 records- 0195US11831241B2Three-level buck converter configurable for two-level buck converter mode operationQUALCOMM INC·Filed 2021·Granted Nov 28, 2023·4 cites·28 claims
- 0294US11923715B2Adaptive multi-mode chargingQUALCOMM INC·Filed 2020·Granted Mar 5, 2024·5 cites·26 claims
- 0394US11545897B2Gate driver power-saving method for switched-mode power supplies in pulse-skipping modeQUALCOMM INC·Filed 2020·Granted Jan 3, 2023·5 cites·30 claims
- 0494US7342383B1Apparatus and method for smooth DCM-to-CCM transition in a multi-phase DC-DC converterNAT SEMICONDUCTOR CORP·Filed 2005·Granted Mar 11, 2008·61 cites·20 claims
- 0593US11557964B2High-efficiency low-ripple burst mode for a charge pumpQUALCOMM INC·Filed 2021·Granted Jan 17, 2023·4 cites·30 claims
- 0692US11650644B2Universal serial bus (USB) type-c and power delivery port with scalable power architectureQUALCOMM INC·Filed 2021·Granted May 16, 2023·2 cites·30 claims
- 0791US7626370B1Apparatus and method for hysteretic boost DC-DC converterNAT SEMICONDUCTOR CORP·Filed 2007·Granted Dec 1, 2009·38 cites·20 claims
- 0889US11606031B1Power supply circuit with low quiescent current in bypass modeQUALCOMM INC·Filed 2022·Granted Mar 14, 2023·3 cites·30 claims
- 0989US11502599B2Constant gate-to-source-volt age-driving driver architecture for switched-mode power suppliesQUALCOMM INC·Filed 2020·Granted Nov 15, 2022·4 cites·30 claims
- 1088US7098728B1Output voltage correction circuit for multiplexed multi-phase hysteretic voltage regulatorNAT SEMICONDUCTOR CORP·Filed 2004·Granted Aug 29, 2006·65 cites·20 claims
- 1186US10523042B2Master-slave charging circuit with slave charger input current sensing and adaptive battery current limitingQUALCOMM INC·Filed 2017·Granted Dec 31, 2019·7 cites·27 claims
- 1286US10270342B2Error correction for average current sensing in a switching regulatorQUALCOMM INC·Filed 2018·Granted Apr 23, 2019·6 cites·30 claims
- 1386US7423414B1Apparatus and method for switching regulator with compensation delay for output voltage error correctionNAT SEMICONDUCTOR CORP·Filed 2005·Granted Sep 9, 2008·27 cites·21 claims
- 1485US10185342B2Configurable charge controllerQUALCOMM INC·Filed 2017·Granted Jan 22, 2019·6 cites·17 claims
- 1583US11112844B2Universal serial bus (USB) type-C and power delivery port with scalable power architectureQUALCOMM INC·Filed 2017·Granted Sep 7, 2021·3 cites·18 claims
- 1683US10734891B2Power-up sequencing and high voltage protection for charge pump convertersQUALCOMM INC·Filed 2018·Granted Aug 4, 2020·4 cites·26 claims
- 1781US11606032B2Adaptive combination power supply circuit and charging architectureQUALCOMM INC·Filed 2019·Granted Mar 14, 2023·3 cites·9 claims
- 1880US7710701B1System and method for providing a process, temperature and over-drive invariant over-current protection circuitNAT SEMICONDUCTOR CORP·Filed 2007·Granted May 4, 2010·11 cites·19 claims
- 1979US12451717B2Adaptive multi-mode chargingQUALCOMM INC·Filed 2024·Granted Oct 21, 2025·0 cites·18 claims
- 2079US12237771B2Three-level buck converter configurable for two-level buck converter mode operationQUALCOMM INC·Filed 2023·Granted Feb 25, 2025·0 cites·20 claims
- 2176US2025047122A1Parallel chargingQUALCOMM INC·Filed 2024·Application pending·0 cites
- 2275US7495424B1Overload compensation circuit with improved recovery response for a power supplyNAT SEMICONDUCTOR CORP·Filed 2006·Granted Feb 24, 2009·12 cites·21 claims
- 2370US10756614B2Lossless average input and output current sensing in a switched-mode power supplyQUALCOMM INC·Filed 2018·Granted Aug 25, 2020·3 cites·20 claims
- 2464US12388361B2Battery charging circuit and methods for trickle charging and precharging a dead multi-cell-in-series batteryQUALCOMM INC·Filed 2021·Granted Aug 12, 2025·0 cites·26 claims
- 2564US12062938B2Parallel chargingQUALCOMM INC·Filed 2020·Granted Aug 13, 2024·0 cites·30 claims
- 2663US7053595B1Compensation circuit for output voltage correction due to propagation delays in hysteretic control loopsNAT SEMICONDUCTOR CORP·Filed 2004·Granted May 30, 2006·17 cites·18 claims
- 2755US7659703B1Zero generator for voltage regulatorsNAT SEMICONDUCTOR CORP·Filed 2005·Granted Feb 9, 2010·4 cites·3 claims
- 2852US2024291284A1Power supply circuit for independent control and monitoring of multi-battery chargingQUALCOMM INC·Filed 2023·Application pending·0 cites
- 2950US2024356437A1Power supply circuit for independent control and monitoring of multi-battery charging and/or generating multiple voltage domainsQUALCOMM INC·Filed 2023·Application pending·0 cites
- 3045US2021036617A1Methods and apparatuses for a multi-mode regulator architectureQUALCOMM INC·Filed 2020·Application pending·0 cites
- 3144US2021067041A1Buck converter including inductor current sensing via high- and low-side switching device current sensingQUALCOMM INC·Filed 2020·Application pending·0 cites
- 3242US2019386481A1Input current limiting and input over current protection for power convertersQUALCOMM INC·Filed 2019·Application pending·0 cites
- 3340US2020014294A1Surge protection circuit for switched-mode power suppliesQUALCOMM INC·Filed 2019·Application pending·0 cites
- 3437US2019190284A1Open-Loop Limiting of a Charging Phase PulsewidthQUALCOMM INC·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →