Inventor

XU XIAORU

CN41 patents

⚠️ This page may combine multiple inventors who share the name “XU XIAORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

XU XIAORU

SILERGY SEMICONDUCTOR TECHNOLOGY HANGZHOU LTD

Voltage peak detection circuit and detection method

Constant voltage constant current controller and control method thereof

Inductor current detection circuit and LED driver

High-precision LED control circuit, method and LED driver thereof

Capacitor discharging method and discharging circuit thereof

Active power factor correction control circuit, chip and LED driving circuit thereof

SCR dimming circuit and method

Constant voltage constant current control circuits and methods with improved load regulation

Zero-crossing detection circuit

Transmission voltage loss compensation circuit, compensation method, controlling chip and switching power supply

Control circuit and related integrated circuit and switching-type converter

Peak-value current mode control for power converters

Control method and control circuit for switching power supply

Controlling circuit and AC/DC converter thereof

Integrated switch mode power supply controller and switch mode power supply using the same

Inductor current detection circuit and LED driver

Power switch driving circuits and power converters thereof

SCR dimming circuit and method

Output overvoltage protection method and circuit for switching power supply and switching power supply thereof

Constant voltage constant current control circuits and methods with improved load regulation

High-precision LED control circuit, method and LED driver thereof

Constant voltage constant current controller and control method thereof

Controller of switching power supply and control method thereof

Flyback converter, control circuit and control method thereof

Control circuit for a flyback converter

Controller of switching power supply having a frequency-jittering control circuit and control method thereof

Voltage peak detection circuit and detection method

Control method and control circuit for switching power supply

Control circuit and related integrated circuit and switching-type converter

Active power factor correction control circuit, chip and LED driving circuit thereof

Power switch driving circuits and power converters thereof

Zero-crossing detection circuit

Undervoltage protection circuit, undervoltage protection method and switching power supply

Transmission voltage loss compensation circuit, compensation method, controlling chip and switching power supply

Undervoltage protection circuit, undervoltage protection method and switching power supply

Compensation circuit and switching power supply thereof

NAT SEMICONDUCTOR CORP

High dimming ratio LED drive circuit

Apparatus and method for projected on-time regulator

CHEN SHENGLUN

SCR dimming circuit and method

SCR dimming circuit and method

XU XIAORU

Power factor correction circuit with frequency jittering