陳景然 Chen, Ching-Jan
- Professor, Department of Electrical Engineering, National Taiwan University
- Ph.D. National Taiwan University, 2011
- B.S. National Taiwan University, 2006
- Office : EE2 348
- TEL : +886-2-33663550
- Email :
- Office Hour : By email appointment
- Website : https://ntupelab252.wixsite.com/pelab
Major Research Areas
Research Summary
My research interest is mainly on power electronics, dc–dc and ac-dc power converter modeling and control, and power IC design.
The aim of my research is to improve converter transient response, power density, and power efficiency with reduced cost by converter control modeling and design, new control schemes development, and smarter power IC implementation.
The research could be applied to the power management of computing devices and mobile devices such as notebook, cellphone, car, server, PC, etc.
目前研究主題
Current research topics:
Power converter control & modeling, and PMIC design for:
1. Notebook, Smart Phone, SoC, Server, EV, Adaptor, Battery-Operated System
2. CPU/GPU VCORE Power Supply (Multi-phase buck converter)
3. AIoT Power (Low quiescent PMIC)
4. Hybrid Converter (Switching L + Switching C) Control
4. Novel Power Electronic Applications—GaN/SiC Driver
5. LLC and AHB resonant converters with digital control
Ching-Jan Chen received B.S. and Ph.D. degrees in electrical engineering from National Taiwan University (NTU), Taipei, Taiwan, in 2006 and 2011, respectively. From 2010 to 2011, he was a visiting scholar at the Center of Power Electronic Systems (CPES) of Virginia Tech., Blacksburg, USA. From 2011 to 2015, he was a senior engineer in the IC research and development department with Richtek Technology Corporation, Hsinchu, Taiwan. His work focused on new control scheme development and IC design of voltage regulator controller for CPU power. In 2015, he became an Assistant Professor at the Department of Electrical Engineering, National Taiwan University, Taiwan, where he is currently a Professor.
His research interests include power electronics, DC-DC & AC-DC power converter control, modeling, and power IC design. He is a Senior Member of the IEEE Power Electronics Society.
He is the recipient of the Young Researcher Award from the Electrical Power Engineering Division, Ministry of Science and Technology (MOST), Taiwan, in 2016, the Outstanding Teaching Award from NTU in 2020, the Research Contribution Award from NTU EECS in 2020, Ta-You Wu Memorial Award (吳大猷先生紀念獎) from MOST, Taiwan, in 2021, Delta Young Technology Scholar Award (台達年輕學者科技講座) in 2023, Pan Wen Yuan Foundation Exploration Research Award (潘文淵文教基金會考察研究獎助金) in 2024, and Distinguished Young Scholar Award, Taiwan IC Design (TICD) Society (台灣積體電路設計學會傑出年輕學者獎) in 2025. He is the co-recipient of the 2018 International Workshop on Power Supply on Chip (PwrSoC) Best Poster Award and the 2019 IEEE Transportation Electrification Conference Asia-Pacific (ITEC-AP) Best Paper award. He served as session chair, topic chair, and financial chair in several IEEE conferences and competitions such as ECCE, ECCE-Asia, International Future Energy Challenge (IFEC), IFEEC, WiPDA Asia, ITEC-Asia Pacific, and VLSI-DAT. He is the chair of IEEE PELS Taipei Chapter (previously secretary and then vice-chair since 2018) and received the IEEE PELS Best Chapter Award in 2018. He is an Associate Editor for the IEEE Transactions on Power Electronics (TPE) and IEEE Journal of Emerging and Selected Topics in Power Electronics (JSTPE).
Journal articles & book chapters
1. C.-J. Tsai, H.-H. Chen, C.-J. Chen, “A Compact and Accurate Self-Subtracted RLG Current Sensor for Low-Voltage Monolithic Multiphase Buck Converter” , IEEE Transactions on Power Electronics , Vol. vol. 40, no. 2 , pp. 3251-3261-, Feb. 2025
2. S. Kamble, P. Chaturvedi, C.-J. Chen, V. B. Borghate, “Enhanced Protection of Grid-Connected Solid-State Transformers Against Sympathetic Inrush Current” , IEEE Transactions on Power Delivery (Accepted) , May 2025
3. Y.-L. Chao, C.-J. Tsai, Y.-M. Chen, C.-J. Chen, “An Ultrafast Load Transient Response Double Capacitor Current Ramp Integrating Constant On-Time (DCCRICOT) Controlled Buck Converter” , IEEE Transactions on Industry Applications (Accepted) , May 2025
4. S. Kamble, P. Chaturvedi, V. B. Borghate, C.-J. Chen, “DC Fault Analysis of Solid-State Transformer Using Circuit Equivalent” , International Journal of Circuit Theory and Applications , Jun. 2024
5. C.-J. Tsai, H.-H. Chen, C.-J. Chen, “A 2 µA Iq Passive-Ramp-Adaptive-Extended-TON Controlled Buck Converter Leveraging Clamped Adaptive Biased Error Amplifier to Achieve DVS/Load Transient One-Cycle Recovery Time” , IEEE Transactions on Circuits and Systems I: Regular Papers , Vol. vol. 71, no. 11 , pp. 4924-4936-, Nov. 2024
6. C.-J. Tsai, H.-H. Chen, C.-J. Chen, “A Phase Interpolated Dual-Phase Adaptive On-Time Controlled Buck Converter” , IEEE Transactions on Circuits and Systems I: Regular Papers , Vol. vol. 71, no. 11 , pp. 5155-5165-, Nov. 2024
7. G. H. Thuc, C.-J. Chen, “An Integrated Driver with Dual-Edge Adaptive Dead-Time Control for GaN-Based Synchronous Buck Converter” , IEEE Transactions on Industry Applications , Vol. vol. 60, no. 6 , pp. 9157-9170-, Nov. 2024
8. Y.-T. Hung, C.-J. Tsai, C.-J. Chen, C.-H. Hsu, C.-Y. Hsieh, “An All NMOS KY-Boost Converter with Double Injection Control for Fast Line and Load Transient Response” , IEEE Transactions on Circuits and Systems I: Regular Papers , Vol. vol. 71, no. 11 , pp. 5005-5016-, Nov. 2024
9. Y.-Y. Lin, Y.-R. Huang, C.-J. Chen, Y.-C. Lin, T.-W. Huang, “A Bidirectional Three-Level Converter Control with Shared Control Circuit and Single Point Sensing for Flying Capacitor Balance” , IEEE Transactions on Power Electronics , Vol. vol. 39, no. 1 , pp. 1015-1027-, Jan. 2024
10. Y.-L. Lee, C.-H. Lin, K.-J. Pai, C.-J. Chen, “Control Strategy and Verification of Reducing Battery Polarization Characteristics to Improve UAV Endurance” , Journal of Power Sources , Vol. Vol. 591 , 233787-, Jan. 2024
11. Y.-L. Chao, C.-J. Tsai, Y.-R. Huang, W.-C. Liu, S.-H. Ma, C.-J. Chen, “An Ultra-Fast Transient Response Capacitor Current Adaptive On-Time (CCAOT) Controlled Buck Converter with Passive Ramp Compensation” , IEEE Transactions on Industry Applications , Vol. vol. 60, no. 2 , pp. 3397-3410-, Mar. 2024
12. C.-J. Tsai, C.-H. Hsu, C.-J. Chen, Y.-T. Hung, C.-Y. Hsieh, “A Monolithic All-1.8V-Thin-Gate-NMOS KY-Boost Converter With Reused Flying-Capacitor Bootstrap Gate Driver Achieving 94.42% Peak Efficiency” , IEEE Transactions on Power Electronics , Vol. vol. 39, no. 6 , pp. 7238-7251-, Jun. 2024
13. Y.-R. Huang, C.-J. Chen, “A Novel Describing Function Small-Signal Modeling Approach for Passive Ripple Constant On-Time Controlled Converter with Exponentially Varying Slope” , IEEE Transactions on Power Electronics , Vol. vol. 39, no. 7 , pp. 8425-8435-, Jul. 2024
14. Y.-M. Chen, C.-J. Chen, “An Event-Driven Self-Clocked Digital Low-Dropout Regulator with Adaptive Frequency Control” , Energies , Vol. vol. 16, 4749 , pp. 1-17-, Jun. 2023
15. Y.-R. Huang, C.-J. Chen, J.-C. Wu, T.-W. Huang, “A Fast-Transient Boost Converter with Peak Passive Ripple Mode Control and AC Couple” , IEEE Transactions on Power Electronics , Vol. vol. 38, no. 10 , pp. 12975-12987-, Oct. 2023
16. S. Kamble, P. Chaturvedi, C.-J. Chen, V. B. Borghate, “Enhancing Reliability and Efficiency of Grid-Connected Solid-State Transformer through Fault Detection and Classification using Wavelet Transform and Artificial Neural Network” , Electrical Engineering , Nov. 2023
17. C.-S. Yu, C.-J. Chen, “Fault Diagnosis and Protection of Phase Auxiliary Output for Automotive D+ Alternators” , IEEE Transactions on Vehicular Technology , Vol. vol. 71, no. 5, pp. 4851-4862 , May 2022
18. S.-F. Hsiao, C.-F. Nien, D. Chen, C.-J. Chen, “Four-Frequency Small-Signal Model for High-Bandwidth Voltage Regulator with Current-Mode Control” , IEEE Access , Vol. vol. 10, pp. 25633-25644 , Mar. 2022
19. C.-J. Chen, P.-Y. Wang, S.-T. Li, Y.-M. Chen, Y.-C. Chang, “An Integrated Driver with Bang-Bang Dead-Time Control and Charge Sharing Bootstrap Circuit for GaN Synchronous Buck Converter” , IEEE Transactions on Power Electronics , Vol. vol. 37, no. 8, pp. 9503-9514 , Aug. 2022
20. C.-J. Chen, P.-K. Chiu, Y.-M. Chen, P.-Y. Wang, Y.-C. Chang, “An Integrated Driver with Adaptive Dead-Time Control for GaN-Based Synchronous Buck Converter” , IEEE Transactions on Circuits and Systems II: Express Briefs , Vol. vol. 69, no. 2, pp. 539-543 , Feb. 2022
21. C.-H. Moon, C.-J. Chen, S.-W. Lee, “A Random Modulation Spread-Spectrum Digital PWM for A Low System Clock Digital Buck Converter” , IEEE Access , vol. 9, pp. 156663-156671-, Dec. 2021
22. B. Wang, D. Chen, C.-J. Chen, S.-F. Hsiao, “Stability Prediction of Integrated-Circuit Based Constant On-time Controlled Buck Converters” , IEEE Transactions on Power Electronics , Vol. vol. 36, no. 6 , pp. 6838-6849-, Jun. 2021
23. C.-S. Yu, Y.-C. Lin, C.-J. Chen, “Rotational Speed Detection for the Automotive Alternator with Low Loss Rectifier in Self-Start” , IEEE Transactions on Vehicular Technology , Vol. vol. 70, no. 7 , pp. 6514-6526-, Jul. 2021
24. W.-H. Chang, Y.-M. Chen, C.-J. Chen, P.-Y. Wang, K.-Y. Lin, C.-C. Lee, L.-D. Lo, J.-Y. Lin, T.-Y. Yang, “Highly Integrated ZVS Flyback Converter ICs with Pulse Transformer to Optimize USB Power Delivery for Fast-Charging Mobile Devices” , IEEE Journal of Solid State Circuits , Vol. vol. 55, no. 12 , pp. 3189-3199-, Dec. 2020
25. C.-J. Chen, Z.-Y. Zeng, C.-H. Cheng, F.-T. Lin, “Comprehensive Analysis and Design of Current-Balance Loop in Constant On-time Controlled Multi-phase Buck Converter” , IEEE Access , Vol. vol. 8, pp. 184752-184764 , Oct. 2020
26. W.-C. Liu, C.-J. Chen, C.-H. Cheng, H.-J. Chen, “A Novel Accurate Adaptive Constant On-Time Buck Converter for Wide-Range Operation” , IEEE Transactions on Power Electronics , Vol. vol. 35, no. 4 , pp. 3729-3739-, Apr. 2020
27. Y.-C. Li, C.-J. Chen, C.-J. Tsai, “A Constant On-Time Buck Converter with Analog Time-Optimized On-time Control” , IEEE Transactions on Power Electronics , Vol. vol. 35, no. 4 , pp. 3754-3765-, Apr. 2020
28. C.-J. Chen, C.-H. Cheng, P.-S. Wu, S.-S. Wang, “Unified Small-Signal Model and Compensator Design of Flyback Converter with Peak-Current Control at Variable Frequency for USB Power Delivery” , IEEE Transactions on Power Electronics , Vol. vol. 34, No. 1 , pp.783-793-, Jan. 2019
29. Y.-C. Lin, C.-J. Chen, “Undershoot-less Open-Loop Soft-Start Strategy for Digital Controlled Power Converters Based on an Error-ADC and Initial Duty Ratio Estimator” , IEEE Transactions on Circuits and Systems II: Express Briefs , Vol. vol. 66, no. 9 , pp. 1542-1546-, Sep. 2019
30. C.-J. Chen, S.-H. Lu, S.-F. Hsiao, Y.-J. Chen, J.-R. Huang, “A Current-Mode Buck Converter with Reconfigurable On-Chip Compensation and Adaptive Voltage Positioning” , IEEE Transactions on Power Electronics , Vol. vol. 34, No. 1 , pp. 485-494-, Jan. 2019
31. C.-H. Cheng, C.-J. Chen, S.-S. Wang, “An Adaptive Variable-Frequency Control with Constant Cross-Over Frequency Achieving Fast Transient Response for Wide-Operation-Range Flyback Converter” , IEEE Transactions on Power Electronics , Vol. vol. 34, no. 6 , pp. 5537-5548-, Jun. 2019
32. Y.-C. Lin, D.-T. Chen, C.-J. Chen, “Flux-Balance Control for LLC Resonant Converters with Center-Tapped Transformers” , Energies , Vol. vol. 12, 3211 , pp. 1-18-, Aug. 2019
33. C.-H. Cheng, C.-J. Chen, S.-S. Wang, “A Brief Discussion of Two Stability Improvement Methods for Wide-Operation-Range Flyback Converter with Peak-Current-Mode Control at Variable Frequency” , IEEE Transactions on Industry Applications , Vol. vol. 55, no. 2 , pp. 1667-1676-, Mar. 2019
34. L. Kong, D. Chen, S.-F. Hsiao, C.-F. Nien, C.-J. Chen, G.-F. Li, “An Adaptive-Ramp Ripple-based Constant On-time Buck Converter for Stability and Transient Optimization under Wide Operating Range” , IEEE Journal of Emerging and Selected Topics in Power Electronics , Vol. vol. 6, no. 3 , pp. 1314-1324-, Aug. 2018
35. C.-H. Cheng, C.-J. Chen, S.-S. Wang, “Small-Signal Model of Flyback Converter in Continuous-Conduction Mode with Peak-Current Control at Variable Switching Frequency” , IEEE Transactions on Power Electronics , Vol. vol. 33, No. 5, pp.4145-4156 , May 2018
36. C.-F. Nien, D. Chen, S.-F. Hsiao, L. Kong, C.-J. Chen, W.-H. Chan, Y.-L. Lin, “A Novel Adaptive Quasi-Constant On-Time Current-Mode Buck Converter” , IEEE Transactions on Power Electronics , Vol. vol. 32, No. 10, pp.8124-8133 , Oct. 2017
37. C.-C. Fang, C.-J. Chen, “Subharmonic Instability Limits for V^2-Controlled Buck Converter with Outer Loop Closed/Open” , IEEE Transactions on Power Electronics , Vol. vol. 1, No. 2 , pp.1657-1664-, Feb. 2016
38. S.-F. Hsiao, D. Chen, C.-J. Chen, H.-S. Nien, “A New Multiple-Frequency Small-Signal Model for High-Bandwidth Computer V-Core Regulator Applications” , IEEE Transactions on Power Electronics , Vol. vol. 31, No. 1 , pp. 733 – 742-, Jan. 2016
39. I-C. Wei, Y.-C. Lin, C.-J. Chen, D. Chen, “Stability Issues and Modelling of Ripple-Based Constant On-Time Control Schemes Operating in Discontinuous Conduction Mode” , IET Power Electronics , Vol. vol. 7, Issue 4 , pp. 868-875-, Jan. 2014
40. Y.-C. Lin, C.-J. Chen, D. Chen, B. Wang, “A Ripple-Based Constant On-Time Control With Virtual Inductor Current and Offset Cancellation for DC Power Converters” , IEEE Transactions on Power Electronics , Vol. Vol. 27, No.10 , pp. 4301 - 4310-, Jan. 2012
41. P.-L. Huang, D. Chen, C.-J. Chen, Y.-M. Chen, “An Novel Adaptive High-Precision Overpower Protection Scheme for Primary-Side Controlled Flyback Converters” , IEEE Transactions on Power Electronics , Vol. Vol. 26, No. 10 , pp. 2817-2824-, Jan. 2011
42. C.-S. Huang, D. Chen, C.-J. Chen, K.-H. Liu, “Mix-Voltage Conversion for Single-Inductor Dual-Output Buck Converters” , IEEE Transactions on Power Electronics , Vol. Vol. 25, No. 8 , pp. 2106 - 2114-, 2010
43. C.-J. Chen, D. Chen, C.-S. Huang, M. Lee, E. K.-L. Tseng, “Modeling and Design Considerations of a Novel High-Gain Peak Current Control Scheme to Achieve Adaptive Voltage Positioning (AVP) for DC Power Converters” , IEEE Transactions on Power Electronics , Vol. vol. 24 , pp. 2942-2950-, Jan. 2009
44. D. Chen, M. Lee, C.-J. Chen, “Evaluation of Various Adaptive Voltage Positioning (AVP) Schemes for Computer Power Sources” , Journal of the Chinese Institute of Engineers , Vol. vol. 30 , pp. 1137-1143-, Jan. 2007
Conference & proceeding papers:
1. S.-H. Yu, C.-J. Tsia, C.-J. Chen, “A 90.9% Peak Efficiency KY Single-Inductor Bipolar-Output Converter with Conductance Modulation Controller for Active-Matrix Organic Light Emitting Diode Power Supply” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2025
2. Y.-T. Hung, C.-J. Tsai, C.-J. Chen, “A KY Buck-Boost Converter with Extended Ramp Control Achieving 1500% Output Variation Reduction for Smooth Mode Transition” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2025
3. C.-I. Li, C.-J. Tsia, C.-J. Chen, “A USB Cable Based Extended Conversion Range L-First Hybrid-Converter Using Valley-Virtual-Inductor-Current-Mode Control with Auto-Tracking Slope Compensation Against ±50% Inductance Variation” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2025
4. C.-E. Chang, H.-R. Huang, C.-T. Chuang, C.-J. Tsia, C.-J. Chen, “A Bootstrapless KY-S-Hybrid Buck-Boost Converter with Full Range iL Reduction and 400% Line Transient Response Acceleration for AI-Mobile Application” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2025
5. C.-H. Tseng, C.-T. Chuang, C.-J. Tsia, C.-J. Chen, “A 24 – 16 V to 0.8 – 1.2 V Merged 4-Stage Hybrid-SC-SL Converter with 96.5% Peak Efficiency and Larger Than 50% iL Reduction” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2025
6. Y.-C. Chang, C.-J. Tsia, T.-L. Lee, C.-J. Chen, “An Improved PFM Control Scheme for Three-Level Buck Converter Based on Ton Extension Achieving an 810% Frequency Reduction” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2025
7. I.-L. Haung, Y.-R. Huang, C.-J. Chen, C.-H. Yang, “Modeling of Ripple-Based Constant On-Time Controlled with Internal Ramp Compensation for Buck Converters” , IEEE Industry Applications Society Annual Meeting (IAS) (Accepted) , Apr. 2025
8. C. Lu, C.-J. Chen, I.-L. Huang, Y.-R. Huang, C.-H. Yang, “Modeling Approach For Constant On Time Control With Virtual Inductor Current And OTA Compensation” , IEEE Industry Applications Society Annual Meeting (IAS) (Accepted) , Apr. 2025
9. H.-T. Chuang, Y.-M. Chen, Y.-C. Lin, C.-J. Chen, F.-M. Hsu, “A Current Mode Gate Driver with Gate Ringing Suppression for GaN-Based LLC Converter” , IEEE Energy Conversion Congress & Exposition (ECCE) (Accepted) , May 2025
10. G.-Y. Wu, Y.-R. Huang, Y.-M. Chen, C.-J. Chen, “Closed-Loop Slew Rate Control of Active Current Source Gate Driver with Digital Implementation for SiC MOSFET” , IEEE Energy Conversion Congress & Exposition (ECCE) (Accepted) , May 2025
11. C.-J. Tsai, T.-Y. Lin, C.-J. Chen, “A DCM Compatible Fast Transient Pi-Type Dual-Path Hybrid Buck Converter” , IEEE Energy Conversion Congress & Exposition (ECCE) , Oct. 2024
12. G.-L. Chen, Y.-C. Lin, C.-J. Chen, “Dual-Output Load Feedforward Compensation for Dual-Output LLC Resonant Converter based on Bang-Bang Charge Control” , International Conference on Renewable Energy Research and Applications , Dec. 2024
13. T.-J. Lin, Y.-S. Tseng, C.-C. Shih, C.-J. Chen, “Analysis and Efficiency Improvement of Quasi-Resonant Flyback Converter with Adaptive Valley Detection and Variable Frequency Control” , International Conference on Renewable Energy Research and Applications , Dec. 2024
14. Y.-M. Chen, C.-J. Chen, “A Master-Slave Distributed Power Management Architecture for Dynamic Voltage and Frequency Scaling (DVFS) for Low Power Microprocessor” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2024
15. Y.-L. Chao, C.-J. Tsai, Y.-M. Chen, C.-J. Chen, “A Ramp Integrating Capacitor Current Constant On-time (RICCCOT) Controlled Buck Converter with High Noise Immunity in DCM” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2024
16. A. D. Bonde, P. Chaturvedi, V. B. Borghate, C. -J. Chen, “Circulating Current Control (CCC) of Grid-Connected Hybrid Modular Multilevel Converter (MMC) for Solid State Transformer (SST) Application” , Annual Conference of the IEEE Industrial Electronics Society (IECON) , Oct. 2023
17. H.-H. Chen, C.-J. Tsia, C.-J. Chen, “A Monolithic 30uA – 1.5A > 85%-Efficiency, Passive-Ramp-Extended-Ton Controlled Buck Converter for Mobile SoC Fast DVS” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2023
18. G. H. Thuc, C.-J. Chen, “A Gate Driver IC for GaN-Based Synchronous Buck Converter with A Double-Sided Adaptive Dead-Time Generator” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2023
19. Y.-M. Chen, C.-J. Chen, “A Modular Quad-mode Capacitor-Less Digital Low-Dropout Regulator” , IEEE Energy Conversion Congress & Exposition (ECCE) , Oct. 2023
20. C.-Y. Wu, C.-J. Tsai, C.-J. Chen, C.-C. Tu, S.-T. Wang, Y.-H. Wen, “A 200 nA Quiescent Current N-FinFET Power Stage Buck Converter with Passive Ramp On-Off-Time Control in 12 nm FinFET” , International VLSI Symposium on Technology, Systems and Applications (VLSI-TSA) , Apr. 2023
21. C.-J. Chen, Y.-M. Chen, “An Integrated Driver with Bang-Bang Dead-Time Control and Charge Sharing Bootstrap Circuit for GaN Synchronous Buck Converter” , IEEE Energy Conversion Congress & Exposition (ECCE) (post-journal presentation) , Oct. 2023
22. S.-C. Pan, C.-J. Chen, Y.-M. Chen, P. Chaturvedi, “A Monolithic E-Mode GaN Boost Converter IC with Improved Gate Driver” , IEEE Workshop on Wide Bandgap Power Devices and Applications in Asia (WiPDA Asia) , Aug. 2023
23. S.-Y. Duan, C.-J. Chen, Y.-M. Chen, W.-S. Lai, P. Chaturvedi, “Switching Behavior Equivalent Circuit Model for SiC Driver IC” , IEEE Workshop on Wide Bandgap Power Devices and Applications in Asia (WiPDA Asia) , Aug. 2023
24. P. Pasula, P. Chaturvedi, S. Sheikh, C. -J. Chen, “Design of Controller for the Integration of Solar PV and Battery in DC Microgrid” , IEEE International Conference on Sustainable Energy and Future Electric Transportation (SEFET) , Aug. 2023
25. Y.-Y. Lin, C.-J. Chen, Yuan-Chih Lin, T.-W. Huang, “A Bidirectional Three-Level Converter with Single Point Sensing Technique for Flying Capacitor Balance” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2022
26. P.-Y. Hsiung, C.-J. Tsai, C.-J. Chen, Y.-M. Chen, “An AC-Coupling Parallel Hybrid Supply Modulator Achieving 100MHz Envelope Tracking Power Amplifiers for Wireless Communications” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2022
27. C.-J. Tsai, I-F. Luo, T.-H. Lin, C.-J. Chen, “An One-Cycle Load Transient Response and 0.81 mV/A Load-Regulation Time-Domain Cascaded-VCO-Controlled Buck Converter for Powering Gaming SoC” , IEEE Asian Solid-State Circuits Conference (ASSCC) , Nov. 2022
28. Y.-L. Huang, C.-J. Chen, C.-C. Hsu, T.-W. Huang, “Peak Passive Ripple Mode Control for Boost Converter with Fast Transient Response” , IEEE Southern Power Electronics Conference (SPEC) , Dec. 2022
29. Y.-L. Chao, C.-J. Tsia, C.-J. Chen, “A 4-MHz Ultra-Fast Transient Response Capacitor Current Adaptive On-Time (CCAOT) Controlled Buck Converter with Passive Ramp Compensation” , IEEE International Power Electronics Conference (IPEC-ECCE Asia) , May 2022
30. J.-Y. Jhu, Y.-C. Lin, C.-J. Chen, “Single-Stage Interleaved Buck-Boost-LLC Resonant Converter with Wide Input Voltage Range for Railway and Medical Applications” , IEEE International Future Energy Electronics Conference (IFEEC) , Nov. 2021
31. C.-Y. Hong, C.-J. Chen, C.-J. Tsai, “A Gm-Ramped Interleaving Technique with Adaptive-Extended TON Control (AETC) Scheme for Multi-phase Buck Converter Achieving Fast Load Response” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2020
32. P.-K. Chiu, P.-Y. Wang, S.-T. Li, C.-J. Chen, “A GaN driver IC with novel highly digitally adaptive dead-time control for Synchronous Rectifier Buck Converter” , IEEE Energy Conversion Congress & Exposition (ECCE) , Oct. 2020
33. P.-Y. Wang, P.-K. Chiu, S.-T. Li, C.-J. Chen, “A 10 MHz GaN Driver IC with Bang-Bang Dead-Time Control for Synchronous Rectifier Buck Converter” , IEEE Energy Conversion Congress & Exposition (ECCE) , Oct. 2020
34. S.-C. Hsu, C.-J. Chen, C.-J. Tsai, “A High Frequency Power and Area Efficient Charge-Pump-Constant-on-Time Controlled DC-DC Converter Based on Dynamic-Biased Comparator with 50mV Droop and 2us 1% Settling Time for a 1.15A/1ns Load Step” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2019
35. J.-A. Juan Lu, C.-J. Chen, C.-J. Tsai, “A Novel Ripple-Coupling Constant on-Time Controlled Buck Converter IC with Highly Digital Charge-Pump Based Error Amplifier” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2019
36. T.-H. Chien, C.-J. Chen, S.-T. Li, C.-J. Tsai, “A Fast Transient Flip Voltage Follower Based Low Dropout Regulator with AC-Coupled Pseudo Tri-Loop Technique Without Using Any Output Capacitor” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2019
37. S.-T. Li, P.-Y. Wang, C.-J. Chen, C.-C. Hsu, “A 10MHz GaN Based Buck Converter with Dynamic Pull-up Resistor Gate Driver” , IEEE International Future Energy Electronics Conference (IFEEC) , Nov. 2019
38. C.-S. Yu, C.-J. Chen, “Over Load Protection for Batteryless Alternator System in Heavy Duty Vehicle Application” , IEEE Transportation Electrification Conference and EXPO Asia-Pacific (ITEC-AP) , May 2019
39. S.-T. Li, P.-Y. Wang, C.-J. Chen, “A 10MHz GaN Driver with Gate Ringing Suppression and Active Bootstrap Control” , IEEE Workshop on Wide Bandgap Power Devices and Applications in Asia (WiPDA-Asia) , May 2019
40. S.-S. Pan, C.-J. Chen, C.-J. Tsai, and S.-C. Hsu, “A Monolithic Capacitor Current Constant On-Time Controlled Buck Converter Achieving Near Optimal Response without Stability Trade-off” , International Workshop on Power Supply On Chip (PwrSoC) , Oct. 2018
41. C.-H. Cheng, C.-J. Chen, S.-S. Wang, “An Overview of Stability Improvement Methods for Wide-Operation-Range Flyback Converter with Variable Frequency Peak-Current-Mode Control” , International Power Electronics Conference (IPEC-ECCE Asia) , May 2018
42. C.-S. Yu, C.-J. Chen, “Rotating Speed Detection Method for Auto-Start Application of Automotive Alternator” , IEEE Transportation Electrification Conference & EXPO Asia-Pacific (ITEC-AP) , Jul. 2018
43. Y.-C. Li, C.-J. Chen, C.-J. Tsai, “A Compact Constant On-time Buck Converter with Analog Transient-optimized On-Time Control and Body Diode Control” , IEEE Energy Conversion Congress & Exposition (ECCE) , Sep. 2018
44. S.-S. Pan, C.-J. Chen, C.-J. Tsai, “A Novel Capacitor Current Constant On-Time Controlled Buck Converter at 4-MHz Switching Frequency” , IEEE Energy Conversion Congress & Exposition (ECCE) , Sep. 2018
45. C.-W. Ku, C.-J. Chen,Y.-C. Hsu, M.-N. Sun, “Experience in Simulation and Measurement of GaN FET Switching Behavior” , IEEE International Future Energy Electronics Conference (IFEEC- ECCE Asia) , Jul. 2017
46. C.-W. Yin, D. Chen, S.-F. Hsiao, C.-J. Chen, H.-S. Nien, “Effects of Non-Ideal Compensators for the High Bandwidth Low-Standby-Power Computer V-Core Converter Applications” , IEEE Energy Conversion Congress & Exposition (ECCE) , Sep. 2016
47. Y.-H. Lu, D. Chen, S.-F. Hsiao, C.-J. Chen and H.-S. Nien, “The Stability Issue of the Voltage Regulators Using a Ripple-Based Constant On-Time Controller with DC Offset-Correction Circuit” , IEEE International Conference on Power Electronics – ECCE Asia , Seoul, Korea , Jun. 2015
48. C.-J. Chen, S.-H. Lu, S.-F. Hsiao, Y.-J. Chen, J.-R. Huang, “A Hybrid Control with Flexibility and On-Chip Compensation for CPU Voltage Regulators” , Symposium on Semiconductor Power Conversion , Chungju, Korea , Nov. 2015
49. C.-J. Chen, S.-H. Lu, S.-F. Hsiao, Y.-J. Chen, J.-R. Huang, “On-Chip Frequency Compensation Control Scheme with Independently Parameters Tuning and Green Native Adaptive Voltage Positioning for Voltage Regulators” , IEEE Energy Conversion Congress & Exposition (ECCE) , Sep. 2014
50. I-C. Wei, D. Chen, Y.-C. Lin, C.-J. Chen, “The Stability Modeling of Ripple-Based Constant On-Time Control Schemes Used in the Converters Operating in DCM” , International Conference on Renewable Energy Research and Applications (ICRERA) , Dec. 2012
51. Y.-J. Chen, D. Chen, Y.C. Lin, C.-J. Chen, C.-H. Wang, “A Novel Constant On-Time Current-Mode Control Scheme to Achieve Voltage Positioning for DC Power Converters” , IEEE Industrial Electronics (IECON) , Dec. 2012
52. C.-J. Chen, D. Chen, C.-W. Tseng, C.-T. Tseng, Y.-W. Chang K.-C. Wang, “A Novel Ripple-Based Constant On-Time Control with Virtual Inductor Current Ripple for Buck Converter with Ceramic Output Capacitors” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2011
53. Y.-C. Lin, C.-J. Chen, D. Chen, B. Wang, “A Novel Ripple-Based Constant On-Time Control with Virtual Inductance and Offset Cancellation for DC Power Converters” , IEEE Energy Conversion Congress & Exposition (ECCE) , Sep. 2011
54. P.-L. Huang, D. Chen, C.-J. Chen, Y.-M. Chen, “A Novel Adaptive Precision Overpower Protection Scheme for Primary-Side Flyback Converters” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Mar. 2011
55. M.-T. Tsai, D. Chen, C.-H. Chiu, C.-J. Chen, W.-H. Chang, “Modeling and Design of Current Balancing Control in Voltage-Mode Multiphase Interleaved Voltage Regulators” , IEEE International Power Electronics Conference (IPEC-ECCE Asia) , Jun. 2010
56. C.-H. Chiu, D. Chen, C.-J. Chen, W.-H. Chang, “Modeling and Mitigation of Dynamic Load Beat-Frequency Oscillation in Multiphase Voltage Regulators with High-Gain Peak Current Control Scheme” , IEEE Applied Power Electronics Conference and Exposition (APEC) , Feb. 2010
57. C.-J. Chen, D. Chen, M. Lee, E. K.-L. Tseng, “Design and Modeling of a Novel High-Gain Peak Current Control Scheme to Achieve Adaptive Voltage Positioning for DC Power Converters” , IEEE Power Electronics Specialists Conference (PESC) , Sep. 2008
Patents:
1. 陳景然; 蔡杰儒; 余昇翰, “升壓轉換器功率級電路” , 中華民國發明 I872734, Feb. 2025
2. 林原郅; 林孝澤; 陳景然, “具輸出快速響應之隔離型電源供應器” , 中華民國發明 I885465, Jun. 2025
3. 陳景然; 蔡杰儒; 余昇翰, “升壓轉換器功率級電路” , 中華民國發明 I889332, Jul. 2025
4. 蔡杰儒; 陳曉萱; 陳景然 , “一種自減式電流感測器” , 中華民國發明 I889300, Jul. 2025
5. C.-J. Tsai, C.-J. Chen, Z.-G. Ding, Z.-H. Lin, W.-L. Chen, “Ramp generation in buck converters” , US Patent #11973425, Apr. 2024
6. C.-J. Tsai, C.-J. Chen, Z.-G. Ding, Z.-H. Lin, W.-L. Chen, “Power Converter and Converting Method with Light Loading State Control” , US Patent #12088198, Sep. 2024
7. 蔡杰儒; 陳景然; 丁振國; 林哲輝 ; 陳偉陵, “功率變壓器以及變壓方法” , 中華民國發明 I835075, Mar. 2024
8. 蔡杰儒; 陳景然; 丁振國; 林哲輝 ; 陳偉陵, “功率轉換器以及變壓方法” , 中華民國發明 I797999, Apr. 2023
9. Y.-C. Lin, C.-J. Chen, “Resonant converter with magnetic-flux balance control circuit” , US Patent #10581319, Mar. 2020
10. 林原郅; 陳景然, “具磁通平衡控制電路之LLC諧振轉換器” , 中華民國發明I705652, Sep. 2020
11. 李勝騰;陳景然, “電源轉換器的驅動器與其驅動方法” , 中華民國發明 I708463, Oct. 2020
12. 游家崧; 陳景然; 林原郅, “電壓轉換器及包括該電壓轉換器的交流發電裝置” , 中華民國發明 I678060, Nov. 2019
13. Chia-Sung Yu, Ching-Jan Chen, Yuan-Chih Lin, “ Alternator Apparatus and Voltage Converter Thereof” , French patent #3082682, Dec. 2019
14. C.-J. Chen, S.-H. Lu, J.-R. Huang, “Power converter control circuit” , US Patent #9287774, Mar. 2016
15. 陳景然; 呂紹鴻; 黃建榮, “電源轉換電路的控制電路” , 中華民國發明I562533, Dec. 2016
16. 陳景然; 呂紹鴻; 黃建榮, “電源轉換電路的控制電路” , 中華民國發明I531156, Apr. 2016
17. C.-H. Chiu, C.-J. Chen, D. Chen, W.-H. Chang, “Using Offset Cancellation Circuit to Mitigate Beat-Frequency Oscillation of Phase Currents in a Multiphase Interleaved Voltage Regulator” , US Patent #8525497, Sep. 2013
18. 陳景然; 黃俊獅; 曾國隆; 陳德玉, “多相電源供應電路與其控制電路及方法” , 中華民國發明 I415374, Nov. 2013
19. 邱振華; 陳景然; 陳德玉; 張煒旭, “減輕相電流之拍頻振盪的多相交錯式電壓調節器” , 中華民國發明 I388113, Mar. 2013
20. C.-J. Chen, C.-S. Huang, K.-L. Tseng, D. Chen, “Multi-Phase Power Converter and Control Circuit and Method Thereof” , US Patent # 8134353, Mar. 2012