Shin, Se-Un

Shin, Se-UnProfessor

Education
  • 2013.03-2018.08한국과학기술원/전기 및 전자
  • 2006.03-2013.02경북대학교/전자전기 컴퓨터학부
Career
  • 2021~2023Assistant Professor in UNIST
  • 2019~2021Assistant Professor in Dankook University
  • 2018~2019Ph.D. Research fellow, Michigan Integrated Circuits Laboratory(MICL),EECS, Univ. of Michigan, Ann Arbor, MI
Profession
  • Power Management IC/Analog Circuit
Journal Papers
  •  

    Sang-Han Lee, Yeon-Woo Jung, Sang-Jae Park, Se-Un Shin, “A Rectifier-Reusing Bias-Flip Energy Harvesting Interface Circuit with Adaptively Reconfigurable SC converter for Wind-Driven Triboelectric Nanogenerator” IEEE Transactions on Industrial Electronics (TIE), 2023.

    ▪ Yeon-Woo Jeong, Seung-Ju Lee, Jong-Hun Kim, Mun-Jung Cho, Hwa-Soo Kim, Se-Un Shin, ”A Scalable N-Step Equal Split SSHI Piezoelectric Energy Harvesting Circuit Achieving 1170% Power Extraction Improvement and 22nA Quiescent Current with a 1μH-to-10μH Low Q Inductor” was accepted in IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2023.

    ▪ Seung-Ju Lee, Yeon-Woo Jeong, Mun-Jung Cho, Jong-Hun Kim, Hwa-Soo Kim, Jun-Suk Bang, Se-Un Shin, “A 95.3% 5V-to-32V Wide Range 3-Level Current Mode Boost Converter with Fully State-based Phase Selection Achieving Simultaneous High-Speed VCF Balancing and Smooth Transition” was accepted in IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2023.

    ▪ Hyuntak Jeon, Se-Un Shin, “A Power/Hardware Efficient SiPM Readout IC Embedded in a Boost Converter for Mobile Radiation Dosimeters”, IEEE Transactions on Power Electronics (TPEL), vol. 38, no. 1, pp. 657-665, Jan. 2023

    ▪ Seung-Ju Lee, Se-Un Shin, “A Voltage Mode PWM DC-DC Boost Converter with Adaptive Dead-time Generator for Solid-State Drives” Journal of Integrated Circuits and Systems (JICAS), VOL 8, No.3, July 2022.

     

     

    ▪ Jong-Hun Kim, Najam ul Hassan, Seung-Ju Lee, Yeon-Woo Jung, Se-Un Shin, “A Resonant Current-Mode Wireless Power Transfer for Implantable Medical Devices – An Overview”, Biomedical Engineering Letters (BMEL), Published, May 2022.

    ▪ Gyeong-Gu Kang, Ji-Hun Lee, Se-Un Shin, Gyu-Hyeong Cho, and Hyun-Sik Kim, “A 5.6W-Power 96.6%-Efficiency Boost-Oriented SIDO Step-Up/Down DC-DC Converter Embedding Buck Conversion with an Energy-Balancing Capacitor,” IEEE Symposium on VLSI Circuits (VLSIC), Accepted, Jun. 2022.

    ▪ Chan-Ho Lee, Hyo-Jin Park, Joo-Mi Cho, Hyeon-Ji Choi, Su-Min Park, Esun Baik, Young-Ju Oh, Ho-Chan Ahn, Chan-Kyu Lee, Jeeyoung Shin, Se-Un Shin, and Sung-Wan Hong, “An Input-Independent Loop Type-III Buck Converter with PSRR Improvement and EMI Suppression for Enhancing the Security of Edge Devices “, IEEE Transactions on Power Electronics (TPEL), vol. 37, no. 9, pp. 10070-10074, Mar. 2022

    ▪ Hyun-Su Lee, Jisan Ahn, Kyeongho Eom, Woojoong Jung, Seong-Ju Lee, Yeon-Woo Jeong, Se-Un Shin, and Hyung-Min Lee, “A Power-Efficient Resonant Current Mode Receiver with Wide Input Range over Breakdown Voltages Using Automated Maximum Efficiency Control”, IEEE Transactions on Power Electronics (TPEL), accepted, Feb. 2022

    ▪ Hyuntak Jeon, Injun Choi, Young-Han Kim, Se-Un Shin, Minkyu Je “A SiPM Readout IC Embedded in a Boost Converter for Mobile Dosimeters” IEEE Symposium on VLSI Circuits (VLSI-Circuits), pp. 1-2, Jun. 2021.

    ▪ Woojoong Jung, Se-Un Shin, Sung-Wan Hong, Sung-Min Yoo, Tae-Hwang Kong, Jun-Hyeok Yang, Sang-Ho Kim, Michael Choi, Jongshin Shin, and Hyung-Min Lee “Dual-Path Three-Level Buck Converter with Loop-Free Auto-Calibration for Flying Capacitor Self-Balancing,” IEEE Transactions on Power Electronics

    ▪ Dong-Kyu Kim, Se-Un Shin, and Hyun-Sik Kim “A BGR-Recursive Low-Dropout Regulator Achieving High PSR in the Low- to Mid-Frequency Range,” IEEE Transactions on Power Electronics

    ▪ Jongbeom Baek, Hyung-Min Lee, and Se-Un Shin “Triple-Mode Switched-Inductor-Capacitor DC-DC Buck Converter with Reusable Flying Capacitor and Bang-Bang Zero-Current Detector for Wide Load Current Range,” MDPI electronics

    Se-Un Shin, Sung-Wan Hong, Hyung-Min Lee, and Gyu-Hyeong Cho “A Time-Interleaved Resonant Voltage Mode Wireless Power Receiver with Delay-based Tracking Loops for Implantable Medical Devices,” IEEE J. Solid-State Circuits

    Se-Un Shin, Sung-Wan Hong, Hyung-Min Lee, and Gyu-Hyeong Cho “High Efficiency Hybrid Dual-Path Step-Up DC-DC Converter with Continuous Output Delivery Current for Low Output Ripple,” IEEE Transactions on Power Electronics

    ▪ Jieun Park, Hyung-Min Lee, Se-Un Shin, Woong Choi, and Sung-Wan Hong, “A

     

     

    0.46mm2 on-chip compensated type-III buck converter using an inner feedback loop with a seamless CCM/DCM transition technique,” IEEE Transactions on Power Electronics

    Se-Un Shin “Adaptively Controlled 10-Output Reconfigurable Dual-Bus SIMO System with Group Allocator for Diversified Load Condition” IEEE Access

    Se-Un Shin “An Analysis of Non-Isolated DC-DC Converter Topologies with Energy Transfer Media” MDPI energies

    ▪ Taewook Kang, Inhee Lee, Sechang Oh, Taekwang Jang, Yejoong Kim, Hyochan Ahn, Gyouho Kim, Se-Un Shin, Seokhyeon Jeong, Dennis Sylvester, David Blaauw “A 1.7×4.1×2 mm3 Fully Integrated pH Sensor for Implantable Applications using Differential Sensing and Drift-Compensation” 2019 IEEE Symposium on VLSI Circuits (VLSI-Circuits)

    ▪ Se-Hong Park, Yeong-Hoon Sohn, Se-Un Shin, Sung-Wan Hong, and Gyu-Hyeong Cho “An Accurate and Practical Core Loss Analysis for Compact High Step-Up Converters” IEEE Transactions on Power Electronics

    ▪ Yeunhee Huh, Se-Un Shin, Sung-Wan Hong, Young-Jin Woo, Yong-Min Ju, Sung-Won Choi, Gyu-Hyeong Cho “A Hybrid Dual-Path Step-Down Converter with 96.2% Peak Efficiency using a 250mΩ Large-DCR Inductor” 2018 IEEE Symposium on VLSI Circuits (VLSI-Circuits)

    ▪ Sung-Won Choi, Yeunhee Huh, Sang-Hui Park, Kye-Seok Yoon, Jun-Suk Bang, Se-Un Shin, Yong-Min Ju, Yujin Tang, Junghyuk Yoon, Changyong Ahn, Teakseung Kim, Sung-Wan Hong, Gyu-Hyeong Cho “A Quasi-Digital Ultra-Fast Capacitor-less Low-Dropout Regulator Based on Comparator Control for x8 Current Spike of PCRAM Systems” 2018 IEEE Symposium on VLSI Circuits (VLSI-Circuits)

    ▪ Jongbeom Baek, Ji-Hun Lee, Se-Un Shin, and Gyu-Hyeong Cho “Switched Inductor Capacitor Buck Converter with >85% Power Efficiency in 100uA-to-300mA Loads using a Bang-Bang Zero-Current Detector” 2018 IEEE Custom Integrated Circuits Conference (CICC)

    Se-Un Shin, Yeunhee Huh, Young-Jin Woo, Yong-Min Ju, Changsik Shin, Min-woo Ko, Se-hong Park, Sung-Won Choi, Young-hoon Sohn, Youngsin Jo, Hyunki Han, Hyung-Min Lee, Sung-Wan Hong, Gyu-Hyung Cho “A 95.2% Efficiency Dual-Path Step-Up Converter with Continuous Output Delivery Current and Low Voltage Ripple” 2018 IEEE International Solid-State Circuits Conference (ISSCC)

    Se-Un Shin, Minseong Choi, Seok-Tae Koh, Yu-Jin Yang, Seungchul Jung, Sang Joon Kim, Young-hoon Sohn, Se-hong Park, Yong-Min Ju, Youngsin Jo, Yeunhee Huh, Sung-Won Choi, Gyu-Hyung Cho “A 13.56MHz Time-Interleaved Resonant-Voltage Mode Wireless Power Receiver with Isolated Resonator and Quasi-Resonant Boost Converter for Implantable Systems” 2018 IEEE International Solid-State Circuits Conference (ISSCC)

     

     

    ▪ Min-woo Ko, Ki-Duk Kim, Young-Jin Woo, Se-Un Shin, Yeunhee Huh, Gyu-Hyung Cho “A 97% High-Efficiency 6-μs Fast-Recovery Time Buck-Based Step-Up/Down Converter with Embedded 1/2 and 3/2 Charge-Pumps for Li-Ion Battery Management” 2018 IEEE International Solid-State Circuits Conference (ISSCC)

    ▪ Seok-Tae Koh, Se-Un Shin, Yu-Jin Yang, Minseong Choi, Seungchul Jung, Gyu-Hyung Cho “A 5mW Batteryless Start-up Boost Charger for Wireless Power Transfer” 2017 IEEE International Symposium of Circuits and Systems (ISCAS)

    ▪ Yeunhee Huh, Sung-Wan Hong, Sang-Hui Park, Jun-Suk Bang, Changbyung Park, Sungsoo Park, Hui-Dong Gwon, Se-Un Shin, Hongsuk Shin, Sung-Won Choi, Yong-Min Ju, Ji-Hun Lee, Gyu-Hyeong Cho “A 10.1” 56-Channel, 183 uW/electrode, 0.73 mm2/sensor High SNR 3D Hover Sensor Based on Enhanced Signal Refining and Fine Error Calibrating Techniques” 2017 IEEE Symposium on VLSI Circuits (VLSI-Circuits)

    ▪ Yong-Min Ju, Se-Un Shin, Yeunhee Huh, Sang-Hui Park, Jun-Suk Bang, Ki-Duk Kim, Sung-Won choi, Ji-Hun Lee, Gyu-Hyeong Cho “A Hybrid Inductor-Based Flying Capacitor-Assisted Step-Up/Step-Down DC-DC Converter with 96.56% Efficiency” 2017 IEEE International Solid-State Circuits Conference (ISSCC)

    Se-Un Shin, Min-Yong Jung, Ki-Duk Kim, Sang-Hui Park, Yeunhee Huh, Changsik Shin, Se-hong Park, Jun-Suk Bang, Jong-Beom Baek, Sung-Won Choi, Yong-Min Ju, Gyu-Hyeong Cho “A Reconfigurable SIMO System with 10-Output Dual-Bus DC-DC Converter using the Load Balancing Function in Group Allocator for Diversified Load Condition” 2016 IEEE Symposium on VLSI Circuits (VLSI-Circuits)

    ▪ Min-Yong Jung, Se-Un Shin, Gyu-Hyeong Cho “Issues of Single-Inductor Multiple-Output DC-DC converters” 2015 International SoC Design Conference (ISOCC)

    ▪ Min-yong Jung, Sang-hui Park, Jun-suk Bang, Dong-chul Park, Se-Un Shin, Gyu-Hyeong Cho “An Error-Based Controlled Single-Inductor 10-Output DC-DC Buck Converter with High Efficiency at Light Load Using Adaptive Pulse Modulation” 2015 IEEE International Solid-State Circuits Conference (ISSCC)

    Se-Un Shin, Sang-hui Park, Gyu-Hyeong Cho “The Dickson Charge Pump for Tx driver with Vth Effect Reduction Technique and Adaptive Gain Control” 2015 The 23rd Korean Conference on semiconductors (KCS)

     

Research Activities
  • ▪ Charge Pump Design for Touch System 2013. 9. – 2014. 5.

    Funded from IKAIST

    ▪ High Efficiency Single-Inductor Multiple-Output Converter Design 2014. 9. – 2015. 8. Funded from National Research foundation (NRF)

    ▪ Wireless Power System Design for Micro Bio-Processor Platform 2016. 3. – 2017. 2. Funded from Samsung Advanced Institutue of Technology (SAIT)

    ▪ PMIC Design Education 2016. 8. – 2016. 10

    Funded from FCI

    ▪ High Efficiency Buck-Boost SIMO Converter Design 2017. 2. – 2018. 7.

    Funded from Samsung LSI

    ▪ High Efficiency Boost Converter IP Design 2017. 2. – 2018. 2.

    Funded from Silicon Works

    ▪ Piezo/PV multi-channel energy harvesting interface IC Design 2018. 2. – 2018. 6.

    Funded from Korea Institute of Energy Research (KIER)

    ▪ Intelligent Design of Electronic Assets (IDEA) 2018.9. – 2019. 9.

    “FASoC: Fully-Autonomous SoC Synthesis using Customizable Cell-Based Synthesizable Analog circuits”

    Funded from Defense Advanced Research Projects Agency (DARPA)

    ▪ Development of low-power and high-efficiency energy harvesting power management integrated circuit with multi-sources for IoT device 2020.3. – Present

     

    Funded from National Research Foundation (NRF)

    ▪ Design of power management IC for SSD drive 2020.4. – Present

    Funded from Korea Evaluation Institute Of Industrial Technology (KEIT)

    ▪ Hyper-Low Power Neural Network Computer 2019.1. – Present

    Ulsan National Institute of Science & Technology (UNIST)

    ▪ Intelligent Brain Mimic Systems Engineering Group 2020.9. – Present

    Ulsan National Institute of Science & Technology (UNIST)

    ▪ A Study on the Energy Efficiency Distributed AI System 2022.6. – Present

    Ulsan National Institute of Science & Technology (UNIST)

    ▪ Voltage and Current Balancing Control design for Hybrid Converters 2021.2. – Present

    Ulsan National Institute of Science & Technology (UNIST)

    ▪ Development of W-band compact, high efficiency, and new concept RF/power core components for next-generation ultra-high-speed low-orbit satellite communication

    2022.4. – Present

    Funded from the Institute of Information & Communications Technology Planning &

    Evaluation (IITP)

    ▪ High-efficiency, high-level, multi-level hybrid DC-DC Buck Converter design

    2022.5. ~

    Funded from Samsung Foundry

    ▪ PIM Semiconductor Design Research Center 2022.4. – Present

     

    Funded from the Institute of Information & communications Technology Planning & Evaluation (IITP)

    ▪ Development of Low-Power Sensors and Self-Charging Power Sources for Self-Sustainable Wireless Sensor Platforms 2022.4. – Present

    Ministry of Trade, industry & Energy

    ▪ Innovative Human Resource Development for Local Intellectualization support program 2022.7. –

    ▪ Funded from the Institute of Information & communications Technology Planning & Evaluation (IITP)