Inventor

REN YUANCHENG

CN88 patents

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

REN YUANCHENG

JOULWATT TECH HANGZHOU CO LTD

Bleeder circuit

Synchronous rectification control circuit, method and flyback switch circuit

Bleeder circuit and control method thereof, and LED control circuit

Switch control circuit and switch circuit

Isolating switch circuit and control method thereof

Circuit and method for detecting current zero-crossing point, and circuit and method for detecting load voltage

Power supply protection circuit and method

Control circuit and control method for switch circuit and switching-mode power supply circuit

Control circuit and device with edge comparison for switching circuit

Control circuit and control method for switch power supply, and switch power supply

CHENGDU MONOLITHIC POWER SYS

Flyback converter with current controlled low power mode

Switching mode power supplies with primary side regulation and associated methods of control

Switching mode power supply and the method thereof

Constant on time multi-phase switching converter and control method thereof

Multi-mode PFC control and control method thereof

Switching charger, the control circuit and the control method thereof

Isolated switching mode power supply and the method thereof

Isolated switching mode power supply and the method thereof

Peak sample circuit for AC voltage and method thereof

VIRGINIA TECH INTELL PROP

Two-stage voltage regulators with adjustable intermediate bus voltage, adjustable switching frequency, and adjustable number of active phases

Power converters having capacitor resonant with transformer leakage inductance

Self-driven circuit for synchronous rectifier DC/DC converter

Hybrid filter for high slew rate output current application

Hybrid filter for high slew rate output current application

Self-driven circuit for synchronous rectifier DC/DC converter

Buck converter with high efficiency gate driver providing extremely short dead time

Power converters having output capacitor resonant with autotransformer leakage inductance

REN YUANCHENG

Switching mode power supply with synchronous rectifying control circuit

Bridgeless PFC converter and the method thereof

Smart driving method for synchronous rectifier and its apparatus thereof

Power supply with charge pump and control method

Multiphase converter with controllable phase shift

Load detecting circuits and the method thereof

KUANG NAIXING

Triac dimmer compatible switching mode power supply and method thereof

Method and apparatus for driving multiple parallel discharge lamps

Switching mode power supply with primary side control

MONOLITHIC POWER SYSTEMS INC

DA/AC convert for driving cold cathode fluorescent lamp

Method and system for open lamp protection

Close-loop class-D audio amplifier and control method thereof

DU LEI

Light emitting diode driver systems and associated methods of control

Driver systems for driving light emitting diodes and associated driving methods

YU BO

Circuitry for driving light emitting diodes and associated methods

Light emitting element driving circuit

OUYANG QIAN

Voltage regulator with adaptive hysteretic control

WONG PITLEONG

Body diode conduction optimization in MOSFET synchronous rectifier

SHI YANG

Switching mode power supply with burst mode and associated methods of control

HU JIN

Power systems for driving light emitting diodes and associated methods of control

YANG ERIC

Power system with hot-swap and the method thereof

ZHANG JUNMING

Latch-off of real time synchronous rectification for light load control

HSING MICHAEL R

Off-line regulator with pass device and associated method