2024
Ho-Chan Ahn, Chan-Ho Lee, Sang-Yun Nam, Jeong-Hun Kim, HyeonHo Park, Hyun-Woo Jeong, Jeeyoung Shin, Woong Choi, Junwon Jeong*, and Sung-Wan Hong*, "A 2 A Dual Loop LDO With Dynamic Negative Feedback Loop and G m Boosting Error Amplifier for Off-Chip and Cap-Less Applications," in IEEE Transactions on Circuits and Systems I, Early Access, doi: 10.1109/TCSI.2024.3467214. *Corresponding authors
Chan-Ho Lee, Jeong-Hun Kim, Hyun-Woo Jeong, Hyeonho Park, Jeeyoung Shin, Junwon Jeong, Woong Choi, Sung-Wan Hong, "A 12V Input 0.3V-to-0.6V Output Imbalanced Inductor-Currents Converter that Achieves a Peak Efficiency of 90.7%," in IEEE Transactions on Circuits and Systems II, Early Access, doi: 10.1109/TCSII.2024.3486362.
Young-Jun Jeon, Hyun-Woo Jeong, Hyeonho Park, Jeeyoung Shin, Junwon Jeong, Woong Choi, and Sung-Wan Hong, “A 600-mA Multifeedback Loop Capacitorless Low-Dropout Regulator With a –40-dB Power Supply Rejection at 1 MHz With 27.5-μA Quiescent Current Consumption,” in IEEE Transactions on Power Electronics, vol. 39, no. 10, pp.11969-11873, Oct. 2024.
Hyunjin Kim, Taehyeong Park, Inho Park, Changhun Park, Seokjin Kim, Seokhee Han, Junwon Jeong, and Chulwoo Kim, "A Fully Integrated Nine-Ratio Switched-Capacitor Converter With Overlapped-Conversion-Ratio Modulation for IoT Applications," in IEEE Journal of Solid-State Circuits, vol. 59, no. 10, pp. 3444-3456, Oct. 2024.
H-J. Park, J-M Cho, H-J, Choi, C-H Lee, Y-J Jeong, J. Shin, W. Choi, J. Jeong* and S-W. Hong*, “A Simultaneous Energy-Transferring SIBO Converter Achieving Low Ripple and High Efficiency for AMOLED Applications,” in IEEE Journal of Solid-State Circuits, vol. 59, no. 5, pp. 1497-1508, May 2024, doi: 10.1109/JSSC.2023.3314834. *Corresponding authors
2023
I. Park, H. Kim, T. Park, J. Jeong and C. Kim, “An Automotive 12 V-to-1.2 V Integrated Switched-Capacitor DC–DC Converter for Improved Load Transient Response" in IEEE Transactions on Power Electronics, vol. 38, no. 10, pp. 12315-12319, Oct. 2023, doi: 10.1109/TPEL.2023.3292276.
J. Maeng*, J. Jeong*, I. Park, M. Shim and C. Kim, "A Time-Based Direct MPPT Technique for Low-Power Photovoltaic Energy Harvesting," in IEEE Transactions on Industrial Electronics, vol. 71, no. 5, pp. 5375-5380, May 2024, doi: 10.1109/TIE.2023.3288183 *Equally credited author
I. Park, J. Jeon, H. Kim, T. Park, J. Jeong and C. Kim, "A Thermoelectric Energy-Harvesting Interface With Dual-Conversion Reconfigurable DC–DC Converter and Instantaneous Linear Extrapolation MPPT Method," in IEEE Journal of Solid-State Circuits, vol. 58, no. 6, pp. 1706-1718, June 2023, doi: 10.1109/JSSC.2022.3214839.
2022
M. Shim*, J. Jeong*, J. Song, Y. Kim and W. Choi, "Segmented Match-Line and Charge-Sharing Based Low-Cost TCAM," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 69, no. 12, pp. 5104-5108, Dec. 2022, doi: 10.1109/TCSII.2022.3202605. *Equally credited author
2021
Junyoung Maeng, Inho Park, Minseob Shim, Junwon Jeong, and Chulwoo Kim, "A High-Voltage Dual-Input Buck Converter With Bidirectional Inductor Current for Triboelectric Energy-Harvesting Applications," in IEEE Journal of Solid-State Circuits, vol. 56, no. 2, pp. 541-553, Feb. 2021.
Junyoung Maeng, Minseob Shim, Junwon Jeong, Inho Park, and Chulwoo Kim, "A Periodically Refreshed Capacitive Floating Level Shifter for Conditional Switching Applications," in IEEE Transactions on Power Electronics, vol. 36, no. 2, pp.1264-1268, Feb. 2021.
2020
Junyoung Maeng, Minseob Shim, Junwon Jeong, Inho Park, Yunsoo Park, and Chulwoo Kim, " A Sub-fs-FoM Digital LDO Using PMOS and NMOS Arrays With Fully Integrated 7.2-pF Total Capacitance," in IEEE Journal of Solid-State Circuits, vol. 55, no. 6, pp. 1624-1636, Jun. 2020.
Inho Park, Junyoung Maeng, Minseob Shim, Junwon Jeong, and Chulwoo Kim, "A High-Voltage Dual-Input Buck Converter Achieving 52.9% Maximum End-to-End Efficiency for Triboelectric Energy-Harvesting Applications," in IEEE Journal of Solid-State Circuits, vol. 55, no. 5, pp. 1324-1336, May 2020.
Junwon Jeong, Minseob Shim, Junyoung Maeng, Inho Park, and Chulwoo Kim, " An Efficiency-Aware Cooperative Multicharger System for Photovoltaic Energy Harvesting Achieving 14% Efficiency Improvement," in IEEE Transactions on Power Electronics, vol. 35, no. 3, pp. 2253-2256, Mar. 2020.
Junwon Jeong, Minseob Shim, Junyoung Maeng, Inho Park, and Chulwoo Kim, " A High-Efficiency Charger With Adaptive Input Ripple MPPT for Low-Power Thermoelectric Energy Harvesting Achieving 21% Efficiency Improvement," in IEEE Transactions on Power Electronics, vol. 35, no. 1, pp. 347-358, Jan. 2020.
~ 2019
Minseob Shim, Junwon Jeong, Junyoung Maeng, Inho Park, and Chulwoo Kim, "Fully Integrated Low-Power Energy Harvesting System With Simplified Ripple Correlation Control for System-on-a-Chip Applications," in IEEE Transactions on Power Electronics, vol. 34, no. 5, pp. 4353-4361 May 2019.
Junwon Jeong, Seokhyun Jeong, Dennis Sylvester, David Blaauw, and Chulwoo Kim, "A 42nJ/conversion On-Demand State-of-Charge Indicator for Miniature IoT Li-ion Batteries," in IEEE Journal of Solid-State Circuits, vol. 54, no. 2, pp. 524-537, Feb. 2019.
Myungjoon Choi, Taekwang Jang, Junwon Jeong, Seokhyeon Jeong, David Blaauw, and Dennis Sylvester, "A Resonant Current-Mode Wireless Power Receiver and Battery Charger With −32 dBm Sensitivity for Implantable Systems," in IEEE Journal of Solid-State Circuits, vol. 51, no. 12, pp. 2880-2892, Dec. 2016.
Minseob Shim, Jungmoon Kim, Junwon Jeong, Sejin Park, and Chulwoo Kim, "Self-Powered 30-μW to 10-mW Piezoelectric Energy Harvesting System with 9.09-ms/V Maximum Power Point Tracking Time," in IEEE Journal of Solid-State Circuits, vol. 50, no. 10, pp. 2367-2379, Oct. 2015.
2023
Y. Jin, A. Gwon, M. Kim, J. Noh, W. Choi and J. Jeong, "A Dynamic Power Transistor-Based CL-LDO with Wide Load Range and -53 dB PSRR Improvement," 2023 20th International SoC Design Conference (ISOCC), Jeju, Korea, Republic of, 2023, pp. 37-38, doi: 10.1109/ISOCC59558.2023.10396092.
2022
Y. Jin, H. Kim, W. Choi and J. Jeong, "Wide Load LDO with Source Follower-Based DC Level Shifter," 2022 IEEE International Conference on Consumer Electronics-Asia (ICCE-Asia), Yeosu, Korea, Republic of, 2022, pp. 1-4, doi: 10.1109/ICCE-Asia57006.2022.9954869.
2019
Inho Park, Junyoung Maeng, Minseob Shim, Junwon Jeong, and Chulwoo Kim, "A Bidirectional High-Voltage Dual-Input Buck Converter for Triboelectric Energy-Harvesting Interface Achieving 70.72% End-to-End Efficiency," 2019 Symposium on VLSI Circuits, 2019, pp. C326-C327.
2018
Junwon Jeong, Seokhyun Jeong, Chulwoo Kim, Dennis Sylvester, and David Blaauw, "A 42nJ/conversion on-demand state-of-charge indicator for miniature IoT Li-ion batteries," 2018 23rd Asia and South Pacific Design Automation Conference (ASP-DAC), 2018, pp. 281-282.
Inho Park, Junyoung Maeng, Dongju Lim, Minseob Shim, Junwon Jeong, and Chulwoo Kim, "A 4.5-to-16μW integrated triboelectric energy-harvesting system based on high-voltage dual-input buck converter with MPPT and 70V maximum input voltage," 2018 IEEE International Solid-State Circuits Conference - (ISSCC), 2018, pp. 146-148.
2017
Junwon Jeong, Seokhyun Jeong, Chulwoo Kim, Dennis Sylvester, and David Blaauw, "A 42nJ/conversion on-demand state-of-charge indicator for miniature IoT Li-ion batteries," 2017 Symposium on VLSI Circuits, 2017, pp. C206-C207.
2016
Sechang Oh, Ngoc Le Ba, Suyoung Bang, Junwon Jeong, David Blaauw, Tony T. Kim, and Dennis Sylvester, "A 260µW infrared gesture recognition system-on-chip for smart devices," 2016 IEEE Symposium on VLSI Circuits (VLSI-Circuits), 2016, pp. 1-2.
Myungjoon Choi, Taekwang Jang, Junwon Jeong, Seokhyun Jeong, David Blaauw, and Dennis Sylvester, "A current-mode wireless power receiver with optimal resonant cycle tracking for implantable systems," 2016 IEEE International Solid-State Circuits Conference (ISSCC), 2016, pp. 372-373.
2014
Minseob Shim, Jungmoon Kim, Junwon Jung, and Chulwoo Kim, "Self-powered 30μW-to-10mW Piezoelectric energy-harvesting system with 9.09ms/V maximum power point tracking time," 2014 IEEE International Solid-State Circuits Conference Digest of Technical Papers (ISSCC), 2014, pp. 406-407.
Heejun Kim, Jungmoon Kim, Minseob Shim, Junwon Jung, Sejin Park, and Chulwoo Kim, "A digitally controlled DC-DC buck converter with bang-bang control," 2014 International Conference on Electronics, Information and Communications (ICEIC), 2014, pp. 1-2.
Jungmoon Kim, Minseob Shim, Junwon Jung, Heejun Kim, and Chulwoo Kim, "A DC-DC boost converter with variation tolerant MPPT technique and efficient ZCS circuit for thermoelectric energy harvesting applications," 2014 19th Asia and South Pacific Design Automation Conference (ASP-DAC), 2014, pp. 35-36.
International patents
정준원, 2024. "동적 EIS를 수행할 때 부하 전류를 보상하는 방법 및 장치, 및 이를 이용하여 배터리의 상태를 추정하는 장치," PCT patent granted (PCT/KR2024/018229)
“POWER DETECTION CIRCUIT FOR TRACKING MAXIMUM POWER POINT OF SOLAR CELL AND METHOD THEREOF,” US patent granted (10663499)
“APPARATUS AND METHOD FOR GENERATING RAMP SIGNAL,” US patent granted (09496856)
“ENERGY HARVESTING APPARATUS AND METHOD FOR RAPIDLY TRACKING A MAXIMUM POWER POINT,” US patent granted (09793751)
Domestic patents
정준원. 2024. "동적 EIS를 수행할 때 부하 전류를 보상하는 방법 및 장치, 및 이를 이용하여 배터리의 상태를 추정하는 장치," Korea patent granted (10-2024-0026128)
정준원. 2024. "EIS 임피던스 특이점 추적을 이용한 배터리 상태 추정 장치 및 이의 동작방법," Korea patent granted (10-2024-0058992)
정준원, 진유남. 2024. “DC-DC 컨버터의 부하 전류 보상 장치 및 이의 동작 방법,” Korea patent granted (10-2024-0114649)
정준원, 진유남, 권아연, 송예슬. 2024. “DC-DC 벅 컨버터 및 이의 동작 방법,” Korea patent granted (10-2024-0114650)
“고효율 에너지 하베스팅을 위한 효율 인식 협동 다중 충전기,” Korea patent filed (10-2019-0018089)
“이중모드 LDO 레귤레이터 및 그 동작 방법,” Korea patent granted (10-2132402)
“태양 전지의 최대 전력점 추적을 위한 전력 감지 회로 및 그 방법,” Korea patent granted (10-1885296)
“에너지 하베스팅 장치의 출력 전압을 변환하는 장치 및 그 방법,” Korea patent granted (10-1938679)
“디지털 제어 방식의 단일 인덕터 다중 출력 직류-직류 벅 변환기 및 그 제어 방법,” Korea patent granted (10-1631677)
“디지털 제어방식의 이중모드 LDO 레귤레이터 및 그 제어 방법,” Korea patent granted (10-1621367)
“디지털 방식의 직류-직류 벅 변환기 및 그의 출력 제어 방법,” Korea patent filed (10-2014-0175223)
“램프신호 생성기 및 그 방법,” Korea patent granted (10-1568227)
“에너지 하베스팅 장치 및 그 방법,” Korea patent granted (10-1645583)
“초고주파 RF 정류기 및 정류방법,” Korea patent granted (10-1439039)
“공급 전압 다중화기 및 공급 전압 다중화 방법,” Korea patent granted (10-1481315)
“정류 제어 시스템 및 방법,” Korea patent granted (10-1412232)
“레벨 변환기,” Korea patent granted (10-1517685)
ISOCC 2023 DB Hitek Award (Oct. 2023)
Micro/nano System Scholarship (Jan. 2019)
2018 ASP-DAC University LSI Design Contest Special Feature Award (Jan. 2018)
2017 Korea Semiconductor Design Contest / Sensor Society President Award (Oct. 2017)
2017 Qualcomm Innovation Research Grant (Dec. 2017)
2016 Qualcomm Innovation Research Grant (Dec. 2016)
2014 Korea Semiconductor Design Contest / Minister of Korea Intellectual Property Office Award (Oct. 2014)
2013 ISOCC CDC Best Poster Award (Nov. 2013)