Inventor
PAI CHUNG-LUNG
TW38 patents
⚠️ This page may combine multiple inventors who share the name “PAI CHUNG-LUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICHTEK TECHNOLOGY CORP
36 patentsUS7202653B2Apr 10, 2007
High efficiency power converter
RICHTEK TECHNOLOGY CORP1,484 citations99
US7411316B2Aug 12, 2008
Dual-input power converter and control methods thereof
RICHTEK TECHNOLOGY CORP89 citations98
US7411379B2Aug 12, 2008
Apparatus and method for over-voltage and over-current protection for a step-up current-mode converter
RICHTEK TECHNOLOGY CORP24 citations92
US7132717B2Nov 7, 2006
Power metal oxide semiconductor transistor layout with lower output resistance and high current limit
RICHTEK TECHNOLOGY CORP34 citations92
US7116153B2Oct 3, 2006
Circuit for driving a depletion-type JFET
RICHTEK TECHNOLOGY CORP27 citations92
US7122971B2Oct 17, 2006
Driver circuit for driving a plurality of DC lamp strings
RICHTEK TECHNOLOGY CORP43 citations91
US8022672B2Sep 20, 2011
Charger control circuit and charger control method
RICHTEK TECHNOLOGY CORP7 citations84
US7327124B2Feb 5, 2008
Control apparatus and method for a boost-inverting converter
RICHTEK TECHNOLOGY CORP19 citations84
US7170763B2Jan 30, 2007
Apparatus and method for constant delta current control in a capacitor charger
RICHTEK TECHNOLOGY CORP10 citations84
US6847254B2Jan 25, 2005
Temperature detector circuit and method thereof
RICHTEK TECHNOLOGY CORP16 citations84
US7746926B2Jun 29, 2010
Pulse width modulation regulator system with automatically switching pulse skipping mode
RICHTEK TECHNOLOGY CORP10 citations82
US7248084B2Jul 24, 2007
Method for determining switching state of a transistor-based switching device
RICHTEK TECHNOLOGY CORP11 citations82
US11736007B2Aug 22, 2023
Resonant switching power converter having charging/discharging duration period related to charging/discharging resonant frequency
RICHTEK TECHNOLOGY CORP4 citations75
US11671002B2Jun 6, 2023
Resonant switching power converter
RICHTEK TECHNOLOGY CORP5 citations75
US11646654B2May 9, 2023
Resonant switching power converter capable of performing discharging operation in a sequential order
RICHTEK TECHNOLOGY CORP6 citations75
US11552547B2Jan 10, 2023
Resonant switching power converter
RICHTEK TECHNOLOGY CORP4 citations75
US7619394B2Nov 17, 2009
Capacitor charger with a modulated current varying with an input voltage and method thereof
RICHTEK TECHNOLOGY CORP6 citations74
US11955884B2Apr 9, 2024
Resonant switching power converter circuit
RICHTEK TECHNOLOGY CORP2 citations73
US11742751B2Aug 29, 2023
Resonant switching power converter
RICHTEK TECHNOLOGY CORP2 citations73
US11716020B2Aug 1, 2023
SCC-based DC-DC power conversion system capable of receiving switching control adjustable by output voltage thereof, and power conversion method thereof
RICHTEK TECHNOLOGY CORP2 citations73
US11682966B2Jun 20, 2023
Pipeline resonant and non-resonant switched capacitor converter circuit
RICHTEK TECHNOLOGY CORP3 citations73
US11601048B2Mar 7, 2023
Resonant switching power converter
RICHTEK TECHNOLOGY CORP3 citations73
US11418112B2Aug 16, 2022
Power converter
RICHTEK TECHNOLOGY CORP2 citations73
US11411493B2Aug 9, 2022
Two-stage power converter
RICHTEK TECHNOLOGY CORP2 citations73
US7049800B2May 23, 2006
Switching mode voltage regulator and method thereof
RICHTEK TECHNOLOGY CORP7 citations72
US7148666B1Dec 12, 2006
Direct current voltage boosting/bucking device
RICHTEK TECHNOLOGY CORP9 citations71
US7656133B2Feb 2, 2010
Capacitor charger with a modulated current varying with an input voltage and method thereof
RICHTEK TECHNOLOGY CORP3 citations63
US7274219B2Sep 25, 2007
Offset independent sense circuit and method
RICHTEK TECHNOLOGY CORP2 citations63
US6677800B1Jan 13, 2004
Temperature sensing circuit
RICHTEK TECHNOLOGY CORP3 citations63
US7751471B2Jul 6, 2010
Pulse width modulation regulator system with automatically switching pulse skipping mode
RICHTEK TECHNOLOGY CORP4 citations61
US7518888B2Apr 14, 2009
Control circuit and method for a fly-back voltage converter
RICHTEK TECHNOLOGY CORP5 citations60
US7002192B2Feb 21, 2006
Area efficient asymmetric cellular CMOS array
RICHTEK TECHNOLOGY CORP4 citations60
US12184168B2Dec 31, 2024
Switched capacitor voltage converter circuit and switched capacitor voltage conversion method
RICHTEK TECHNOLOGY CORP0 citations52
US11742760B2Aug 29, 2023
Resonant switching power converter and driving circuit thereof
RICHTEK TECHNOLOGY CORP0 citations52
US7388409B2Jun 17, 2008
Offset independent sense circuit and method
RICHTEK TECHNOLOGY CORP1 citations52
US9041374B2May 26, 2015
Power converting circuit and control circuit thereof
RICHTEK TECHNOLOGY CORP0 citations41