Inventor

CHANG WEI-HSU

TW53 patents

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

CHANG WEI-HSU

RICHTEK TECHNOLOGY CORP

Hybrid control circuit and method

Flyback power converter circuit with active clamping and zero voltage switching and conversion control circuit thereof

Digital voltage converter with constant off-time and variable on-time of controller

Switching mode power supply and method for determining a compensation factor thereof

Control circuit and method for a power converter

Switched capacitor voltage converter circuit and switched capacitor voltage conversion method

Charging apparatus and charging control circuit thereof and charging control method

Flyback power converter circuit with active clamping and zero voltage switching and conversion control circuit thereof

Flyback power converter and ZVS control circuit and control method thereof

Switching controller circuit and method for controlling flyback power converter

Charging apparatus and charging control circuit and control method thereof

Control circuit having power saving mode for use in power supply circuit

Foreign object detection method and power system capable of detecting foreign object

Digital compensator design method and digital compensator for a switching mode power supply

Brushless DC electric (BLDC) motor driver circuit

Multiple outputs universal serial bus travel adaptor and control method thereof

Flyback power converter and secondary side controller circuit and control method thereof

Interface device and interface temperature monitoring device

Charging control method and charging system, power delivery unit, and power receiver control circuit using the method

Battery system, battery module and battery control circuit thereof

Distributed battery balance management method and battery system using this method

Resonant switched capacitor voltage converter and control method thereof

Feedforward frequency response for resonant charge pump

Power converter for reducing switching loss and enhancing system efficiency and control method thereof

High efficiency charging system and power conversion circuit thereof

Control circuit and method for use in stackable multiphase power converter

Switched capacitor voltage converter circuit and control method of switched capacitor converter

Power factor correction converter, controller and zero current prediction circuit thereof

Power factor correction converter, controller and digital peak-hold circuit thereof

Flyback power converter and conversion controller circuit

Flyback converter and switching controller circuit and control method thereof

Flyback converter with a variable frequency discontinuous mode and valley sensing

Rechargeable battery with communication and battery control circuit thereof

Lighting system and conversion controller circuit thereof

Battery system, battery module and battery control circuit thereof

Foreign object detection method and power system capable of detecting foreign object

Power supply system with power factor correction(PFC) and control method thereof

High efficiency boost power factor correction circuit having shared pin and conversion control circuit thereof

Power supply system and power factor correction control circuit and control method thereof

Power supply system

Power transmission apparatus

WANG JO-YU

Pulse width modulation signal generation circuit and pulse width modulation signal generation method

FU YI-CHIANG

Control circuit and method for a digital synchronous switching converter

WU YU-KUANG

Motor controller having multi-functional pin and control method thereof

CHANG WEI-HSU

Operating phase number dependent compensation of a multi-phase buck converter

CHIU CHEN-HUA

Using offset cancellation circuit to mitigate beat-frequency oscillation of phase currents in a multiphase interleaved voltage regulator

LIN YU-CHENG

DC gain improvement of a digitally controlled DC-DC converter by LSB tuning

CHANG HAÓ-YU

Method and apparatus for dynamically adjusting a dead time of brushless direct current motor during a phase change

LEE KUO-CHUNG

Multi-phase motor control method and device using the same

LIN YU CHENG

Control circuit and method for a power converter controlling adaptive voltage position