Gyeongho Namgoong

11 papers Journal 10Unranked 1
YearRankTypeTitle / Venue / Authors
2025 — conf
9.8 A 50W 98%-Efficiency High-Power Wireless-Charging System with an Acoustic Noise-Reduced Ask Modulation Technique and Internal Hybrid Voltage-/Current-Mode ASK Demodulation.
ISSCC
SeongJin Oh, Hansol Kim, Hyunsu Kim, Gyeongho Namgoong, Woojin Park, Sangbeom Heo, Jaekyu Kim, Sungwoo Moon, Hyoung-Seok Oh, Hwayeal Yu
2023 J jnl
An On-/Off-Time Sensing-Based Load-Adaptive Mode Control of Triple Mode Buck Converter for Implantable Medical Devices.
IEEE Trans. Biomed. Circuits Syst.
Woojin Park, Gyeongho Namgoong, Eun-Ho Choi, Franklin Bien
2022 J jnl
-11 to 7 dBm Power Range, Triple Band RF Energy Harvesting System With 99.9% Peak Tracking Efficiency and Improved PCE.
IEEE Trans. Circuits Syst. I Regul. Pap.
Eunho Choi, Gyeongho Namgoong, Woojin Park, Suhwan Kim, Jiwon Kim, Bonyoung Lee, Franklin Bien
2022 J jnl
A 1.4mW to 119mW, Wide Output Power Range Energy Harvesting System With 2-D Fast MPPT Based on HC for 1k to 50k Illuminated Solar Cell.
IEEE Trans. Circuits Syst. II Express Briefs
Eunho Choi, Gyeongho Namgoong, Woojin Park, Jiwon Kim, Suhwan Kim, Bonyoung Lee, Franklin Bien
2022 J jnl
A 13.56 MHz Wireless Power Transfer System With Fully Integrated PLL-Based Frequency-Regulated Reconfigurable Duty Control for Implantable Medical Devices.
IEEE Trans. Biomed. Circuits Syst.
Gyeongho Namgoong, Woojin Park, Franklin Bien
2022 J jnl
A 94% Peak Efficiency Dual Mode Buck Converter With Fully Integrated On-Time-Based Mode Control for Implantable Medical Devices.
IEEE Trans. Circuits Syst. II Express Briefs
Woojin Park, Gyeongho Namgoong, Eunho Choi, Bonyoung Lee, Hyunjun Park, Hyunggun Ma, Franklin Bien
2022 J jnl
A Real-Time Calibrated Adaptive-ZVS Class-D Power Amplifier for 6.78 MHz Wireless Power Transfer System.
IEEE Trans. Circuits Syst. II Express Briefs
Gyeongho Namgoong, Hyunjun Park, Franklin Bien
2021 J jnl
3-12-V Wide Input Range Adaptive Delay Compensated Active Rectifier for 6.78-MHz Loosely Coupled Wireless Power Transfer System.
IEEE Trans. Circuits Syst. I Regul. Pap.
Gyeongho Namgoong, Eunho Choi, Woojin Park, Bonyoung Lee, Hyunjun Park, Hyunggun Ma, Franklin Bien
2021 J jnl
A 6.78 MHz, 95.0% Peak Efficiency Monolithic Two-Dimensional Calibrated Active Rectifier for Wirelessly Powered Implantable Biomedical Devices.
IEEE Trans. Biomed. Circuits Syst.
Gyeongho Namgoong, Eunho Choi, Woojin Park, Bonyoung Lee, Hyunjun Park, Hyunggun Ma, Franklin Bien
2020 J jnl
A 32-dB SNR Readout IC With 20-Vpp Tx Using On-Chip DM-TISM in HV BCD Process for Mutual-Capacitive Fingerprint Sensor.
IEEE Trans. Circuits Syst. II Express Briefs
Eunho Choi, Seong-Mun Kim, Kyoungmin Park, Sanghyun Heo, Hyunggun Ma, Gyeongho Namgoong, Haksun Kim, Franklin Bien
2019 J jnl
Instantaneous Power Consuming Level Shifter for Improving Power Conversion Efficiency of Buck Converter.
IEEE Trans. Circuits Syst. II Express Briefs
Hyunggun Ma, Gyeongho Namgoong, Eunho Choi, Franklin Bien