Citations
*Co-First Authors
2026
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A 1.92µm Pitch Current-Controlled Oscillator ADC Array Featuring Charge-Injection-Based Two-Stage Conversion for In-Memory Computing
David Iselin, Kyeongwon Jeong, Tim Keller, Giorgio Cristiano, Kwantae Kim, Woojun Choi, Oscar Toomey, Abhairaj Singh, Athanasios Vasilopoulos, Abu Sebastian, Manuel Le Gallo, Taekwang Jang  |
2025
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A Unipolar IGZO TFT-Based 9.23 μW Operational Amplifier Achieving 73.7 dB Loop Gain and 554.6 kHz Bandwidth
Zhenhan Wang, Kwantae Kim  📚 Open-Sourced Design Parameters IEEE CASS Student Travel Grant Award |
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An 8.62-µW 75-dB DRSoC Fully-Integrated SoC for Spoken Language Understanding
Sheng Zhou, Zixiao Li, Longbiao Cheng, Jérôme Hadorn, Chang Gao, Qinyu Chen, Tobi Delbruck, Kwantae Kim, Shih-Chii Liu  |
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A 2.3nA-to-205nA Clock-Tunable Dynamic Current Reference with a Built-in 2nd-Order Current-Mode Low-Pass Filter and Coarse-Fine Regulation
Kaiyuan Jiang, Youngwoo Ji, Marko Kosunen, Kwantae Kim  📚 Open-Sourced Design Parameters |
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A 2.48 μW 33.13 nV/√Hz Instrumentation Amplifier for Bio-Impedance Sensors with Source Degenerated Current Mirror and DTMOS Transistor
Yu Xue, Kwantae Kim 📚 Open-Sourced Design Parameters Invited to IEEE TCAS-I IEEE CASS Student Travel Grant Award |
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DeltaKWS: A 65nm 36nJ/Decision Bio-inspired Temporal-Sparsity-Aware Digital Keyword Spotting IC with 0.6V Near-Threshold SRAM
Qinyu Chen*, Kwantae Kim*, Chang Gao*, Sheng Zhou, Taekwang Jang, Tobi Delbruck, Shih-Chii Liu  |
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An 8.62μW, 75dB DRSoC End-to-End Spoken Language Understanding SoC with Channel-Level AGC and Temporal-Sparsity-Aware Streaming-Mode RNN
Sheng Zhou, Zixiao Li, Tobi Delbruck, Kwantae Kim, Shih-Chii Liu  📚 Invited to IEEE JSSC Demonstration Session Award |
2024
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Bringing Dynamic Sparsity to the Forefront for Low-Power Audio Edge Computing: Brain-inspired approach for sparsifying network updates
Shih-Chii Liu, Sheng Zhou, Zixiao Li, Chang Gao, Kwantae Kim, Tobi Delbruck |
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Open-Source Silicon—Unleashing Innovation and Collaboration
Matthew Guthaus, Kwantae Kim, Francisco Brito-Filho, Satoshi Kawakami, Boris Murmann IEEE Design & Test, 2024 |
2023
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Neuro-CIM: ADC-Less Neuromorphic Computing-in-Memory Processor With Operation Gating/Stopping and Digital–Analog Networks
Sangyeob Kim; Sangjin Kim; Soyeon Um; Soyeon Kim; Kwantae Kim; Hoi-Jun Yoo |
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High-Accuracy and Energy-Efficient Acoustic Inference using Hardware-Aware Training and a 0.34nW/Ch Full-Wave Rectifier
Sheng Zhou*; Xi Chen*; Kwantae Kim; Shih-Chii Liu  Best Poster Award |
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Continuous-Time Analog Filters for Audio Edge Intelligence: Review on Circuit Designs
Kwantae Kim; Shih-Chii Liu 🎉 Top-1 in the Most Popular Articles in IEEE CAS Magazine (Sep. ~ Oct. 2023) |
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An Area-Efficient Ultra-Low-Power Time-Domain Feature Extractor for Edge Keyword Spotting
Qinyu Chen; Yaoxing Chang; Kwantae Kim; Chang Gao; Shih-Chii Liu  |
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A 3.11 μW 40 nV/√Hz Instrumentation Amplifier for Bio-Impedance Sensors Exploiting Positive-Feedback-Assisted Gain Boosting
Kwantae Kim; Shih-Chii Liu 📚 Open-Sourced Design Parameters |
2022
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Energy-Efficient Activity-driven Computing Architectures for Edge Intelligence
Shih-Chii Liu; Chang Gao; Kwantae Kim; Tobi Delbruck  |
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A 23-μW Keyword Spotting IC With Ring-Oscillator-Based Time-Domain Feature Extraction
Kwantae Kim; Chang Gao; Rui Graça; Ilya Kiselev; Hoi-Jun Yoo; Tobi Delbruck; Shih-Chii Liu 🎉 Highlighted in the IEEExplore Main Page (Sep. ~ Oct. 2023) 🎉 Top-2 in the Most Popular Articles in IEEE JSSC (Sep. ~ Oct. 2023) |
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Design of Sub-10-μW Sub-0.1% THD Sinusoidal Current Generator IC for Bio-Impedance Sensing
Kwantae Kim; Sangyeob Kim; Hoi-Jun Yoo Open-Sourced MATLAB/Verilog Code in PhD Thesis Relevant Publication |
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Neuro-CIM: A 310.4 TOPS/W Neuromorphic Computing-in-Memory Processor with Low WL/BL activity and Digital-Analog Mixed-mode Neuron Firing
Sangyeob Kim; Sangjin Kim; Soyeon Um; Soyeon Kim; Kwantae Kim; Hoi-Jun Yoo  |
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FlashMAC: A Time-Frequency Hybrid MAC Architecture With Variable Latency-Aware Scheduling for TinyML Systems
Surin Gweon; Sanghoon Kang; Kwantae Kim; Hoi-Jun Yoo |
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Neuro-CIM: A 310.4 TOPS/W Neuromorphic Computing-in-Memory Processor with Low WL/BL activity and Digital-Analog Mixed-mode Neuron Firing
Sangyeob Kim; Sangjin Kim; Soyeon Um; Soyeon Kim; Kwantae Kim; Hoi-Jun Yoo  |
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A 23μW Solar-Powered Keyword-Spotting ASIC with Ring-Oscillator-Based Time-Domain Feature Extraction
Kwantae Kim*; Chang Gao*; Rui Graça; Ilya Kiselev; Hoi-Jun Yoo; Tobi Delbruck; Shih-Chii Liu 📚 Invited to IEEE JSSC 2022 |
2021
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FlashMAC: An Energy-Efficient Analog-Digital Hybrid MAC with Variable Latency-Aware Scheduling
Surin Gweon; Sanghoon Kang; Donghyeon Han; Kyoung-Rog Lee; Kwantae Kim; Hoi-Jun Yoo  |
2020
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A 0.5-V Sub-10-μW 15.28-mΩ/√Hz Bio-Impedance Sensor IC With Sub-1° Phase Error
Kwantae Kim; Ji-Hoon Kim; Surin Gweon; Minseo Kim; Hoi-Jun Yoo |
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A 0.5V, 6.2μW, 0.059mm2 Sinusoidal Current Generator IC with 0.088% THD for Bio-Impedance Sensing
Kwantae Kim; Changhyeon Kim; Sungpill Choi; Hoi-Jun Yoo  |
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A 9.6 mW/Ch 10 MHz Wide-bandwidth Electrical Impedance Tomography IC with Accurate Phase Compensation for Breast Cancer Detection
Jaehyuk Lee; Surin Gweon; Kwonjoon Lee; Soyeon Um; Kyoung-Rog Lee; Kwantae Kim; Jihee Lee; Hoi-Jun Yoo |
2019
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An Ultra-Low-Power Analog-Digital Hybrid CNN Face Recognition Processor Integrated with a CIS for Always-on Mobile Devices
Ji-Hoon Kim; Changhyeon Kim; Kwantae Kim; Hoi-Jun Yoo  |
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93.8% Current Efficiency and 0.672 ns Transient Response Reconfigurable LDO for Wireless Sensor Network Systems
Surin Gweon; Jaehyuk Lee; Kwantae Kim; Hoi-Jun Yoo |
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A 7.0fps Optical and Electrical Dual Tomographic Imaging SoC for Skin-Disease Diagnosis System
Yongsu Lee; Kwantae Kim; Jiwon Lee; Kyoung-Rog Lee; Surin Gweon; Minseo Kim; Hoi-Jun Yoo |
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A 0.5V 9.26μW 15.28mΩ/√Hz Bio-Impedance Sensor IC With 0.55° Overall Phase Error
Kwantae Kim; Ji-Hoon Kim; Surin Gweon; Jiwon Lee; Minseo Kim; Yongsu Lee; Soyeon Kim; Hoi-Jun Yoo Silver Award in 2019 Samsung HumanTech paper competition |
2017
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A 1.4-mΩ-Sensitivity 94-dB Dynamic-Range Electrical Impedance Tomography SoC and 48-Channel Hub-SoC for 3-D Lung Ventilation Monitoring System
Minseo Kim; Jaeeun Jang; Hyunki Kim; Jihee Lee; Jaehyuck Lee; Jiwon Lee; Kyoung-Rog Lee; Kwantae Kim; Yongsu Lee; Kyuho Jason Lee; Hoi-Jun Yoo |
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An Adaptive DC-Balanced and Multi-Mode Stimulator IC with 1GΩ Output Impedance for Compact Electro-Acupuncture System
Jiwon Lee; Minseo Kim; Kwantae Kim; Kiseok Song; Sanghoon Lee; Weon Kim; Jong Shin Woo; Hoi-Jun Yoo  |
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A 24 μW 38.51 mΩrms Resolution Bio-Impedance Sensor with Dual Path Instrumentation Amplifier
Kwantae Kim; Kiseok Song; Kyeongryeol Bong; Jaehyuk Lee; Kwonjoon Lee; Yongsu Lee; Unsoo Ha; Hoi-Jun Yoo  |
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A 1.4mΩ-Sensitivity 94dB-Dynamic-Range Electrical Impedance Tomography SoC and 48-Channel Hub SoC for 3D Lung Ventilation Monitoring System
Minseo Kim; Hyunki Kim; Jaeeun Jang; Jihee Lee; Jaehyuk Lee; Jiwon Lee; Kyungrog Lee; Kwantae Kim; Yongsu Lee; Hoi-jun Yoo |
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A 25.2mW EEG-NIRS Multimodal SoC for Accurate Anesthesia Depth Monitoring
Unsoo Ha; Jaehyuk Lee; Jihee Lee; Kwantae Kim; Minseo Kim; Taehwan Roh; Sangsik Choi; Hoi-Jun Yoo |
2016
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A 54-μW Fast-Settling Arterial Pulse Wave Sensor for Wrist Watch Type System
Kwantae Kim; Minseo Kim; Hyunwoo Cho; Kwonjoon Lee; Seung-Tak Ryu; Hoi-Jun Yoo  |
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A 141μW Sensor SoC on OLED/OPD Substrate for SpO2/ExG Monitoring Sticker
Yongsu Lee; Hyeonwoo Lee; Jaeeun Jang; Jihee Lee; Minseo Kim; Jaehyuk Lee; Hyunki Kim; Kyoung-Rog Lee; Kwantae Kim; Hyunwoo Cho; Seunghyup Yoo; Hoi-Jun Yoo |
Acknowledgments
Thanks to Zuowen Wang for taking an awesome photo!