Personal profile
Research interests
Electronic & Computer Engineering - Low dropout regulators
Electronic & Computer Engineering - Analog integrated circuits
Related documents
Education/Academic qualification
PhD in Electrical Engineering, PhD, University of California, Los Angeles
1995
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 7 Affordable and Clean Energy -
SDG 9 Industry, Innovation, and Infrastructure
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- 1 Similar Profiles
Collaborations and top research areas from the last five years
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Technology for Next Generation Wide-/Ultrawide-bandgap Semiconductor Integrated Electronics
KI, W. H. (CoPI), CHEN, K. J. (PI), WONG, M. H. (CoPI), SIN, J. K. O. (CoPI), YANG, Y. (CoPI), WANG, J. (CoPI), LEE, R.S.-W. (CoPI) & ZHENG, Z. (CoPI)
1/01/24 → 31/12/28
Project: Research
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Probing the Fundamental Structure of Matter with High Energy Particle Collisions
KI, W. H. (CoPI)
1/06/19 → 31/05/27
Project: Research
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Integrated Circuit Implementation of Regulated Class-E Power Amplifier with Capacitor Tuning
KI, W. H. (PI)
1/09/23 → 31/08/25
Project: Research
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Antenna-Detune-Insensitive Auto-Tuning Scheme of Class-D Power Amplifier for Implantable Medical Devices
KI, W. H. (PI) & TSUI, C. Y. (CoI)
Innovation and Technology Commission
1/05/22 → 31/07/24
Project: Research
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Development of a High-Efficient Monolithic Hybrid DC-DC Converter with Ultra-Low Voltage-Conversion-Ratio
KI, W. H. (PI) & MOK, K. T. P. (CoI)
1/07/21 → 30/06/23
Project: Research
Research output
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A Flipped-Voltage-Follower-Based LDO With Scaled-Down Current Buffer Compensation for Wide Load Current Range
Qin, C., Ki, W. H. & Law, M. K., 13 Jan 2026, In: IEEE Transactions on Power Electronics. p. 1-12 12 p., 11348087.Research output: Contribution to journal › Journal Article › peer-review
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A 6.78 MHz Multiple-Transmitter Wireless Power Transfer System with Integrated Coupling Coefficient Sensor
Yao, Y., Tian, F., He, J., Ki, W. H., Tsui, C. Y., Cheng, K. T. & Liu, Y., 18 Jul 2025, 2025 Symposium on VLSI Technology and Circuits, VLSI Technology and Circuits 2025. Institute of Electrical and Electronics Engineers Inc., 3 p. 11075133. (Digest of Technical Papers - Symposium on VLSI Technology).Research output: Chapter in Book/Conference Proceeding/Report › Conference Paper published in a book › peer-review
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A 6.87W 3.7-5V Input 12.6-24V Output Multiple Voltage Domain SC Sigma Converter with Continuous 3-4.95x VCR and 95%-Peak-Efficiency
ZHU, L., HU, C., KI, W. H., LIU, X., LIU, X. & JIANG, J., Apr 2025.Research output: Contribution to conference › Conference Paper › peer-review
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A 6.87W 3.7-5V Input 12.6-24V Output Switched-Capacitor Sigma Converter with Multiple Voltage Domains
Zhu, L., Hu, C., Ki, W. H., Liu, X., Liu, X. & Jiang, J., 2025, 2025 IEEE Custom Integrated Circuits Conference, CICC 2025 - Proceedings. Institute of Electrical and Electronics Engineers Inc., (Proceedings of the Custom Integrated Circuits Conference).Research output: Chapter in Book/Conference Proceeding/Report › Conference Paper published in a book › peer-review
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A 94% Peak Efficiency Class-E Power Amplifier with Auto-Aligned Current Phase for Guaranteed ZVS Under Impedance Variations
Liu, Y., Ki, W. H., Tsui, C. Y. & Gao, Y., 5 Nov 2025, Proceedings - 51st IEEE European Solid-State Electronics Research Conference, ESSERC 2025. IEEE Computer Society, p. 65-68 4 p. 11214131. (European Solid-State Circuits Conference).Research output: Chapter in Book/Conference Proceeding/Report › Conference Paper published in a book › peer-review
Activities
- 2 Editorial work
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IEEE Journal of Solid-State Circuits (Journal)
KI, W. H. (Associate Editor)
1 Jun 2018 → …Activity: Publication peer-review and editorial work › Editorial work
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IEEE Transactions on Power Electronics (Journal)
KI, W. H. (Associate Editor)
1 Jan 2016 → 1 Jul 2019Activity: Publication peer-review and editorial work › Editorial work