Dual-slope capacitance to digital converter integrated in an implantable pressure sensing system. - Sechang Oh 001; Yoonmyung Lee; Jingcheng Wang; Zhiyoong Foo; Yejoong Kim; David T. Blaauw; Dennis Sylvester (ESSCIRC, 2014)

23.3 A 3nW fully integrated energy harvester based on self-oscillating switched-capacitor DC-DC converter. - Wanyeong Jung; Sechang Oh 001; Suyoung Bang; Yoonmyung Lee; Dennis Sylvester; David T. Blaauw (ISSCC, 2014)

15.4b incremental sigma-delta capacitance-to-digital converter with zoom-in 9b asynchronous SAR. - Sechang Oh 001; Wanyeong Jung; Kaiyuan Yang 001; David T. Blaauw; Dennis Sylvester (VLSIC, 2014)

An Ultra-Low Power Fully Integrated Energy Harvester Based on Self-Oscillating Switched-Capacitor Voltage Doubler. - Wanyeong Jung; Sechang Oh 001; Suyoung Bang; Yoonmyung Lee; Zhiyoong Foo; Gyouho Kim; Yiqun Zhang 002; Dennis Sylvester; David T. Blaauw (IEEE J. Solid State Circuits, 2014)

27.6 A 0.7pF-to-10nF fully digital capacitance-to-digital converter using iterative delay-chain discharge. - Wanyeong Jung; Seokhyeon Jeong; Sechang Oh 001; Dennis Sylvester; David T. Blaauw (ISSCC, 2015)

A Dual-Slope Capacitance-to-Digital Converter Integrated in an Implantable Pressure-Sensing System. - Sechang Oh 001; Yoonmyung Lee; Jingcheng Wang; Zhiyoong Foo; Yejoong Kim; Wanyeong Jung; Ziyun Li; David T. Blaauw; Dennis Sylvester (IEEE J. Solid State Circuits, 2015)

8.5 A 60%-efficiency 20nW-500µW tri-output fully integrated power management unit with environmental adaptation and load-proportional biasing for IoT systems. - Wanyeong Jung; Junhua Gu; Paul D. Myers; Minseob Shim; Seokhyeon Jeong; Kaiyuan Yang 001; Myungjoon Choi; Zhiyoong Foo; Suyoung Bang; Sechang Oh 001; Dennis Sylvester; David T. Blaauw (ISSCC, 2016)

A 260µW infrared gesture recognition system-on-chip for smart devices. - Sechang Oh 001; Ngoc Le Ba; Suyoung Bang; Junwon Jeong; David T. Blaauw; Tony T. Kim; Dennis Sylvester (VLSI Circuits, 2016)

A start-up boosting circuit with 133× speed gain for 2-transistor voltage reference. - Dongkwun Kim; Wanyeong Jung; Sechang Oh 001; Kyojin David Choo; Dennis Sylvester; David T. Blaauw (CICC, 2017)

A 2.5nJ duty-cycled bridge-to-digital converter integrated in a 13mm3 pressure-sensing system. - Sechang Oh 001; Yao Shi 001; Gyouho Kim; Yejoong Kim; Taewook Kang; Seokhyeon Jeong; Dennis Sylvester; David T. Blaauw (ISSCC, 2018)

IoT2 - the Internet of Tiny Things: Realizing mm-Scale Sensors through 3D Die Stacking. - Sechang Oh 001; Minchang Cho; Xiao Wu 002; Yejoong Kim; Li-Xuan Chuo; Wootaek Lim; Pat Pannuto; Suyoung Bang; Kaiyuan Yang 001; Hun-Seok Kim; Dennis Sylvester; David T. Blaauw (DATE, 2019)

A 142nW Voice and Acoustic Activity Detection Chip for mm-Scale Sensor Nodes Using Time-Interleaved Mixer-Based Frequency Scanning. - Minchang Cho; Sechang Oh 001; Zhan Shi; Jongyup Lim; Yejoong Kim; Seokhyeon Jeong; Yu Chen 070; David T. Blaauw; Hun-Seok Kim; Dennis Sylvester (ISSCC, 2019)

An Adiabatic Sense and Set Rectifier for Improved Maximum-Power-Point Tracking in Piezoelectric Harvesting with 541% Energy Extraction Gain. - Yimai Peng; Kyojin David Choo; Sechang Oh 001; Inhee Lee 001; Tae-Kwang Jang; Yejoong Kim; Jongyup Lim; David T. Blaauw; Dennis Sylvester (ISSCC, 2019)

A 1.74.12 mm3 Fully Integrated pH Sensor for Implantable Applications using Differential Sensing and Drift-Compensation. - Taewook Kang; Inhee Lee 001; Sechang Oh 001; Tae-Kwang Jang; Yejoong Kim; Hyochan Ahn; Gyouho Kim; Se-Un Shin; Seokhyeon Jeong; Dennis Sylvester; David T. Blaauw (VLSI Circuits, 2019)

The Internet of Tiny Things: Recent Advances of Millimeter-Scale Computing. - Sechang Oh 001; David T. Blaauw; Dennis Sylvester (IEEE Des. Test, 2019)

An Acoustic Signal Processing Chip With 142-nW Voice Activity Detection Using Mixer-Based Sequential Frequency Scanning and Neural Network Classification. - Sechang Oh 001; Minchang Cho; Zhan Shi; Jongyup Lim; Yejoong Kim; Seokhyeon Jeong; Yu Chen 070; Rohit Rothe; David T. Blaauw; Hun-Seok Kim; Dennis Sylvester (IEEE J. Solid State Circuits, 2019)

An Efficient Piezoelectric Energy Harvesting Interface Circuit Using a Sense-and-Set Rectifier. - Yimai Peng; Kyojin David Choo; Sechang Oh 001; Inhee Lee 001; Tae-Kwang Jang; Yejoong Kim; Jongyup Lim; David T. Blaauw; Dennis Sylvester (IEEE J. Solid State Circuits, 2019)

A 256 pixel, 21.6 μW infrared gesture recognition processor for smart devices. - Ngoc Le Ba; Sechang Oh 001; Dennis Sylvester; Tony Tae-Hyoung Kim (Microelectron. J., 2019)

26.9 A 0.19×0.17mm2 Wireless Neural Recording IC for Motor Prediction with Near-Infrared-Based Power and Data Telemetry. - Jongyup Lim; Eunseong Moon; Michael Barrow; Samuel R. Nason; Paras R. Patel; Parag G. Patil; Sechang Oh 001; Inhee Lee 001; Hun-Seok Kim; Dennis Sylvester; David T. Blaauw; Cynthia A. Chestek; et al. (ISSCC, 2020)

Sample and Average Common-Mode Feedback in a 101 nW Acoustic Amplifier. - Rohit Rothe; Sechang Oh 001; Kyojin David Choo; Seokhyeon Jeong; Minchang Cho; Dennis Sylvester; David T. Blaauw (VLSI Circuits, 2020)

A Delta Sigma-Modulated Sample and Average Common-Mode Feedback Technique for Capacitively Coupled Amplifiers in a 192-nW Acoustic Analog Front-End. - Rohit Rothe; Minchang Cho; Kyojin Choo; Seokhyeon Jeong; Sechang Oh 001; Jungho Lee; Dennis Sylvester; David T. Blaauw (IEEE J. Solid State Circuits, 2022)