Inventor
SONG CHUNPING
US28 patents
⚠️ This page may combine multiple inventors who share the name “SONG CHUNPING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUALCOMM INC
20 patentsUS10523042B2Dec 31, 2019
Master-slave charging circuit with slave charger input current sensing and adaptive battery current limiting
QUALCOMM INC7 citations81
US11923715B2Mar 5, 2024
Adaptive multi-mode charging
QUALCOMM INC5 citations74
US11831241B2Nov 28, 2023
Three-level buck converter configurable for two-level buck converter mode operation
QUALCOMM INC4 citations73
US11557964B2Jan 17, 2023
High-efficiency low-ripple burst mode for a charge pump
QUALCOMM INC4 citations73
US11650644B2May 16, 2023
Universal serial bus (USB) type-c and power delivery port with scalable power architecture
QUALCOMM INC2 citations72
US11545897B2Jan 3, 2023
Gate driver power-saving method for switched-mode power supplies in pulse-skipping mode
QUALCOMM INC5 citations72
US11112844B2Sep 7, 2021
Universal serial bus (USB) type-C and power delivery port with scalable power architecture
QUALCOMM INC3 citations72
US11606032B2Mar 14, 2023
Adaptive combination power supply circuit and charging architecture
QUALCOMM INC3 citations70
US10734891B2Aug 4, 2020
Power-up sequencing and high voltage protection for charge pump converters
QUALCOMM INC4 citations70
US10270342B2Apr 23, 2019
Error correction for average current sensing in a switching regulator
QUALCOMM INC6 citations70
US11502599B2Nov 15, 2022
Constant gate-to-source-volt age-driving driver architecture for switched-mode power supplies
QUALCOMM INC4 citations69
US10756614B2Aug 25, 2020
Lossless average input and output current sensing in a switched-mode power supply
QUALCOMM INC3 citations69
US10185342B2Jan 22, 2019
Configurable charge controller
QUALCOMM INC6 citations68
US11606031B1Mar 14, 2023
Power supply circuit with low quiescent current in bypass mode
QUALCOMM INC3 citations67
US12451717B2Oct 21, 2025
Adaptive multi-mode charging
QUALCOMM INC0 citations62
US12062938B2Aug 13, 2024
Parallel charging
QUALCOMM INC0 citations62
US12237771B2Feb 25, 2025
Three-level buck converter configurable for two-level buck converter mode operation
QUALCOMM INC0 citations61
US12567804B2Mar 3, 2026
Switching scheme for operating a three-level buck converter in a two-level buck converter mode
QUALCOMM INC0 citations52
US12388361B2Aug 12, 2025
Battery charging circuit and methods for trickle charging and precharging a dead multi-cell-in-series battery
QUALCOMM INC0 citations51
US12549099B2Feb 10, 2026
Hybrid voltage divider and buck converter circuit
QUALCOMM INC0 citations47
NAT SEMICONDUCTOR CORP
8 patentsUS7342383B1Mar 11, 2008
Apparatus and method for smooth DCM-to-CCM transition in a multi-phase DC-DC converter
NAT SEMICONDUCTOR CORP61 citations97
US7098728B1Aug 29, 2006
Output voltage correction circuit for multiplexed multi-phase hysteretic voltage regulator
NAT SEMICONDUCTOR CORP65 citations97
US7626370B1Dec 1, 2009
Apparatus and method for hysteretic boost DC-DC converter
NAT SEMICONDUCTOR CORP38 citations92
US7423414B1Sep 9, 2008
Apparatus and method for switching regulator with compensation delay for output voltage error correction
NAT SEMICONDUCTOR CORP27 citations90
US7710701B1May 4, 2010
System and method for providing a process, temperature and over-drive invariant over-current protection circuit
NAT SEMICONDUCTOR CORP11 citations84
US7495424B1Feb 24, 2009
Overload compensation circuit with improved recovery response for a power supply
NAT SEMICONDUCTOR CORP12 citations84
US7053595B1May 30, 2006
Compensation circuit for output voltage correction due to propagation delays in hysteretic control loops
NAT SEMICONDUCTOR CORP17 citations84
US7659703B1Feb 9, 2010
Zero generator for voltage regulators
NAT SEMICONDUCTOR CORP4 citations60