A 5mW batteryless start-up boost charger for wireless power transfer. - Seok-Tae Koh; Se-un Shin; Yu-Jin Yang; Minseong Choi; Seungchul Jung; Gyu-Hyeong Cho (ISCAS, 2017)

A 3.9μW, 81.3dB SNDR, DC-coupled, Time-based Neural Recording IC with Degeneration R-DAC for Bidirectional Neural Interface in 180nm CMOS. - Hyuntak Jeon; Jun-Suk Bang; Yoontae Jung; Taeju Lee; Yeseul Jeon; Seok-Tae Koh; Jaesuk Choi; Doojin Jang; Soonyoung Hong; Minkyu Je (A-SSCC, 2018)

A 13.56MHz time-interleaved resonant-voltage-mode wireless-power receiver with isolated resonator and quasi-resonant boost converter for implantable systems. - Se-un Shin; Minseong Choi; Seok-Tae Koh; Yu-Jin Yang; Seungchul Jung; Young-Hoon Sohn; Se-Hong Park; Yong-Min Ju; Youngsin Jo; Yeunhee Huh; Sung-Won Choi; Sang Joon Kim; et al. (ISSCC, 2018)

A 100Mb/s Galvanically-Coupled Body-Channel-Communication Transceiver with 4.75pJ/b TX and 26.8 pJ/b RX for Bionic Arms. - Yeseul Jeon; Chongsoo Jung; Song-I Cheon; Hyungjoo Cho; Ji-Hoon Suh; Hyuntak Jeon; Seok-Tae Koh; Minkyu Je (VLSI Circuits, 2019)

11.8 A 96.8%-Efficiency Continuous Input/Output-Current Step-Up/Down Converter Powering Disposable IoTs with Reconfigurable Multi-Cell-Balanced Alkaline Batteries. - Min-Woo Ko; Gyeong-Gu Kang; Ki-Duk Kim; Ji-Hun Lee; Seok-Tae Koh; Tae-Hwang Kong; Sang-Ho Kim; Sungyong Lee; Michael Choi; Jongshin Shin; Gyu-Hyeong Cho; Hyunsik Kim (ISSCC, 2020)

A 5V Dynamic Class-C Paralleled Single-Stage Amplifier with Near-Zero Dead-Zone Control and Current-Redistributive Rail-to-Rail Gm-Boosting Technique. - Seok-Tae Koh; Ji-Hun Lee; Gyeong-Gu Kang; Hyun-Ki Han; Hyun-Sik Kim (ISSCC, 2021)

A Frequency-Splitting-Based Wireless Power and Data Transfer IC for Neural Prostheses with Simultaneous 115mWPower and 2.5Mb/s Forward Data Delivery. - Yechan Park; Seok-Tae Koh; Jeongeun Lee; Hongkyun Kim; Jaesuk Choi; Sohmyung Ha; Chul Kim; Minkyu Je (ISSCC, 2021)

A Self-Powered Wireless Gas Sensor Node Based on Photovoltaic Energy Harvesting. - Phan Dang Hung; Yechan Park; Soon-Jae Kweon; Taeju Lee; Hyuntak Jeon; Seok-Tae Koh; Incheol Cho; Jun-Bo Yoon; Inkyu Park; Chul Kim; Sohmyung Ha; Minkyu Je (VLSI Circuits, 2021)

A 12-Bit Mobile OLED/μLED Display Driver IC with Cascaded Loading-Free Capacitive Interpolation DAC and 6.24V/μs-Slew-Rate Buffer Amplifier. - Gyeong-Gu Kang; Seok-Tae Koh; Woojin Jang; Jiho Lee; Seongjoo Lee; Ohjo Kwon; Keumdong Jung; Hyun-Sik Kim (VLSI Circuits, 2021)

A 5-V Dynamic Class-C Paralleled Single-Stage Amplifier With Near-Zero Dead-Zone Control and Current-Redistributive Rail-to-Rail Gm-Boosting Technique. - Seok-Tae Koh; Ji-Hun Lee; Gyeong-Gu Kang; Hyun-Ki Han; Hyun-Sik Kim (IEEE J. Solid State Circuits, 2021)

A Wireless Power and Data Transfer IC for Neural Prostheses Using a Single Inductive Link With Frequency-Splitting Characteristic. - Yechan Park; Seok-Tae Koh; Jeongeun Lee; Hongkyun Kim; Jaesuk Choi; Sohmyung Ha; Chul Kim; Minkyu Je (IEEE Trans. Biomed. Circuits Syst., 2021)

A 1.23W/mm2 83.7%-Efficiency 400MHz 6-Phase Fully Integrated Buck Converter in 28nm CMOS with On-Chip Capacitor Dynamic Re-Allocation for Inter-Inductor Current Balancing and Fast DVS of 75mV/ns. - Jeong-Hyun Cho; Dong-Kyu Kim; Hong-Hyun Bae; Yong-Jin Lee; Seok-Tae Koh; Young-Hwan Choo; Ji-Seon Paek; Hyun-Sik Kim (ISSCC, 2022)

A Monolithic 48V-to-1V 10A Quadruple Step-Down DC-DC Converter with Hysteretic Copied On-Time 4-Phase Control and 2× Slew Rate All-Hysteretic Mode. - Hyun-Ki Han; Min-Woo Ko; Jeong-Hyun Cho; Gyeong-Gu Kang; Seok-Tae Koh; Hong-Hyun Bae; Hyun-Sik Kim (VLSI Technology and Circuits, 2022)

A Fully Integrated Multi-Phase Buck Converter With On-Chip Capacitor Dynamic Re-Allocation and Fine-Grained Phase-Shedding Techniques. - Jeong-Hyun Cho; Dong-Kyu Kim; Hong-Hyun Bae; Yong-Jin Lee; Seok-Tae Koh; Young-Hwan Choo; Ji-Seon Paek; Hyun-Sik Kim (IEEE J. Solid State Circuits, 2022)