Assignee
ANPEC ELECTRONICS CORP
TW305 patents
Top patents by PatentIndex Score
US7508181B2Mar 24, 2009
Switching regulator capable of compensating output errors
ANPEC ELECTRONICS CORP33 citations92
US7202642B1Apr 10, 2007
Switching Regulator Capable of Raising System Stability by Virtual Ripple
ANPEC ELECTRONICS CORP22 citations92
US8358118B2Jan 22, 2013
Current mode boost converter with fixed PWM/PFM boundary
ANPEC ELECTRONICS CORP34 citations91
US6800509B1Oct 5, 2004
Process for enhancement of voltage endurance and reduction of parasitic capacitance for a trench power MOSFET
ANPEC ELECTRONICS CORP46 citations90
US10219348B1Feb 26, 2019
LED fault detection circuit and LED control circuit using the same
ANPEC ELECTRONICS CORP20 citations85
US9966852B1May 8, 2018
Dual voltage output device and charging circuit thereof
ANPEC ELECTRONICS CORP8 citations84
US9111770B2Aug 18, 2015
Power semiconductor device and fabrication method thereof
ANPEC ELECTRONICS CORP8 citations84
US8963260B2Feb 24, 2015
Power semiconductor device and fabrication method thereof
ANPEC ELECTRONICS CORP11 citations84
US8790971B1Jul 29, 2014
Method of fabricating a super junction transistor
ANPEC ELECTRONICS CORP8 citations84
US8603879B2Dec 10, 2013
Method for fabricating super-junction power device with reduced miller capacitance
ANPEC ELECTRONICS CORP8 citations84
US8354828B2Jan 15, 2013
Power supply with synchronized clocks and related DC-DC converter
ANPEC ELECTRONICS CORP44 citations84
US7345540B2Mar 18, 2008
Amplifier circuit having a compensating amplifier unit for improving loop gain and linearity
ANPEC ELECTRONICS CORP12 citations84
US10996701B1May 4, 2021
Power converter having fast transient response
ANPEC ELECTRONICS CORP9 citations83
US10498237B1Dec 3, 2019
Multi-phase DC-DC power converter and driving method of the same
ANPEC ELECTRONICS CORP15 citations83
US10412813B1Sep 10, 2019
Ambient light sensor
ANPEC ELECTRONICS CORP13 citations83
US9543826B2Jan 10, 2017
Audible noise avoiding circuit and DC-DC boost converter having the same
ANPEC ELECTRONICS CORP11 citations83
US7508180B2Mar 24, 2009
Switching regulator for fixing a frequency
ANPEC ELECTRONICS CORP12 citations83
US7456624B2Nov 25, 2008
PWM control scheme under light load
ANPEC ELECTRONICS CORP13 citations83
US7411367B2Aug 12, 2008
Full bridge circuit and DC motor capable of fixing output voltage and avoiding reverse current
ANPEC ELECTRONICS CORP10 citations83
US9991775B1Jun 5, 2018
Constant on-time converter having fast transient response
ANPEC ELECTRONICS CORP16 citations82
US9966849B1May 8, 2018
Current mode voltage converter having fast transient response
ANPEC ELECTRONICS CORP11 citations82
US7525271B2Apr 28, 2009
Motor driving circuit having low current consumption under a standby mode
ANPEC ELECTRONICS CORP12 citations82
US7382195B2Jun 3, 2008
Power supply device for driving an amplifier
ANPEC ELECTRONICS CORP12 citations82
US10211735B1Feb 19, 2019
Voltage converter for fast load transient response
ANPEC ELECTRONICS CORP9 citations81
US10123385B1Nov 6, 2018
Dimming controller and backlight module having the same
ANPEC ELECTRONICS CORP9 citations81
US9743475B1Aug 22, 2017
Operation method for LED dimming device
ANPEC ELECTRONICS CORP9 citations81
US7924088B1Apr 12, 2011
Offset voltage calibration method and apparatus and amplifier thereof
ANPEC ELECTRONICS CORP10 citations81
US10122278B1Nov 6, 2018
Control circuit operating in pulse skip mode and voltage converter having the same
ANPEC ELECTRONICS CORP12 citations80
US8018209B2Sep 13, 2011
Switching regulator for fixing frequency
ANPEC ELECTRONICS CORP8 citations80
US7545126B2Jun 9, 2009
Controller for sensing a heavy load and a short circuit of low dropout regulators
ANPEC ELECTRONICS CORP11 citations78
US8901912B2Dec 2, 2014
Bootstrap capacitor detecting circuit and bootstrap DC-DC converter thereof
ANPEC ELECTRONICS CORP7 citations76
US12451799B2Oct 21, 2025
Power converter having overvoltage protection mechanism
ANPEC ELECTRONICS CORP2 citations75
US11522485B2Dec 6, 2022
Three-phase motor driving circuit and three-phase motor driving method
ANPEC ELECTRONICS CORP2 citations73
US11205984B1Dec 21, 2021
Motor driving circuit and motor driving method
ANPEC ELECTRONICS CORP2 citations73
US10978973B2Apr 13, 2021
Motor driving circuit and method thereof
ANPEC ELECTRONICS CORP2 citations73
US10826396B1Nov 3, 2020
Automatic bandwidth control system for any switching frequency of power converter
ANPEC ELECTRONICS CORP4 citations73
US10667363B1May 26, 2020
System and method of driving LED string
ANPEC ELECTRONICS CORP2 citations73
US10574230B1Feb 25, 2020
Power switch circuit
ANPEC ELECTRONICS CORP6 citations73
US10314131B1Jun 4, 2019
LED driver with brightness control and driving method thereof
ANPEC ELECTRONICS CORP3 citations73
US10283994B2May 7, 2019
Switching charging circuit
ANPEC ELECTRONICS CORP5 citations73
US9906053B2Feb 27, 2018
Energy storage device and control method thereof
ANPEC ELECTRONICS CORP2 citations73
US9871477B2Jan 16, 2018
Motor speed control circuit and control method thereof
ANPEC ELECTRONICS CORP2 citations73
US9854359B1Dec 26, 2017
Pop-free headset detection circuit
ANPEC ELECTRONICS CORP3 citations73
US9800131B1Oct 24, 2017
Phase controller and multi-phase voltage converter using the same
ANPEC ELECTRONICS CORP4 citations73
US9793806B2Oct 17, 2017
Switching driver capable of reducing EMI effect and power ripple
ANPEC ELECTRONICS CORP3 citations73
US9793839B2Oct 17, 2017
Motor control circuit
ANPEC ELECTRONICS CORP2 citations73
US9490739B2Nov 8, 2016
Fan system—rotation speed control circuit and method for rotation speed error auto-calibration thereof
ANPEC ELECTRONICS CORP3 citations73
US9413244B2Aug 9, 2016
Voltage conversion circuit with voltage selection of transistor bulk
ANPEC ELECTRONICS CORP6 citations73
US9154037B2Oct 6, 2015
Current-mode buck converter and electronic system using the same
ANPEC ELECTRONICS CORP6 citations73
US8922186B2Dec 30, 2014
Method and apparatus for all duty current sensing in current mode converter
ANPEC ELECTRONICS CORP4 citations73
Showing the top 50 of 305 patents by PatentIndex Score.