A Fully Reconfigurable Hybrid SPAD Vision Sensor with 134dB Dynamic Range Using Time-Coded Dual Exposures 

IEEE Int. Solid-State Circuits Conf. (ISSCC), Feb. 2026.  

Kieop Hong, Jubin Kang, Jung-Hye Hwang, Insang Son, Seonghyeok Park, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim 

A Multi-Range, Multi-Resolution LiDAR Sensor with 2,880-Channel Modular Survival Histogramming TDC and Delay Compensation Using Double Histogram Sampling 

IEEE Int. Solid-State Circuits Conf. (ISSCC), Feb. 2026. 

Minkyung Kim, Junsang Bae, Donghyuk Kim, Jung-Hoon Chun, Seong-Jin Kim, and Jaehyuk Choi 

A 480×320 CMOS LiDAR Sensor with Tapering 1-Step Histogramming TDCs and Sub-Pixel Echo Resolvers 

IEEE Int. Solid-State Circuits Conf. (ISSCC), Feb. 2026. 

Wonjong Roh, Canxing Piao, Taehoon Jeon, Junsang Bae, Jung-Hoon Chun, Seong-Jin Kim, and Jaehyuk Choi 

A Low-Power Bandgap Reference with Curvature Correction Scheme From -50°C to 140°C 

International SoC Design Conference (ISOCC), Nov. 2025. 

Minsaeng Kang, Jee-Ho Park, Su-Hyun Park, Yeong-Jin Mo, and Seong-Jin Kim 

Integrated 64-Channel Spatiotemporally Patterned Multipolar Neural Stimulator with 150nA–10mA Current Range at 8V–20V Voltage Compliance 

IEEE European Solid-State Electronics Research Conf. (ESSERC), Sep. 2025.

Jeong-Hoon Kim, Min Suk Lee, Yongjae Park, Jiajia Wu, Zhaoyi Liu, Cassia Rizq, Preston Fowler, Abhinav Uppal, Omowuyi Olajide, Athena Leisching, Abraham Akinin, Lara M. Rangel, Seong-Jin Kim, and Gert Cauwenberghs 

A Flash LiDAR with SA-Based Pulse Position Modulation for Multi-User Interference Cancellation 

IEEE Int. Symp. Circuits Syst. (ISCAS), May. 2025.  

Jundong Yeo, Seonghyeok Park, Yunji Hong, Jaehyuk Choi, Jung-Hoon Chun, and Seong-Jin Kim 

A 4.6-µW 3.3-NEF Biopotential Amplifier with 133-VPP Common-mode Interference Tolerance and 102-dB Total Common-mode Rejection Ratio for Two-Electrode Recording System 

IEEE Int. Solid-State Circuits Conf. (ISSCC), Feb. 2025, pp. 278-279. 

Yongjae Park, Yeong-Jin Mo, Jung-Hoon Kim, Gert Cauwenberghs, and Seong-Jin Kim 

An Asynchronous 160×90 Flash LiDAR Sensor with Dynamic Frame Rates of 5-250 fps Based on Pixelwise ToF Validation via Background Light Adaptive Threshold 

IEEE Int. Solid-State Circuits Conf. (ISSCC), Feb. 2025, pp. 116-117.  

Seonghyeok Park, Su-Hyun Han, Jubin Kang, Jong-Beom Kim, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim 

A 400×112 CMOS LiDAR Sensor with Reconfigurable-Resolution Histogramming Time-to-Digital Converters and Sub-cm Depth Refining Filter 

IEEE Asian Solid-State Circuits Conf. (A-SSCC), Nov. 2024.  

Wonjong Roh, Hyeongseok Seo, Canxing Piao, Heesung Lee, Minkyung Kim, Myung-Jae Lee, Seong-Jin Kim, Jung-Hoon Chun, and Jaehyuk Choi 

A Digital Dynamic Vision Sensor with SPAD pixels and Multi-Event Generation for Motion/Vibration-Adaptive Detection 

IEEE Symp. VLSI Circuits, Jun. 2024. 

Jinpyo Han, Houk Lee, Junhee Cho, Heesung Lee, Seong-Jin Kim, Jung-Hoon Chun, and Jaehyuk Choi 

Test Bench for Characterization of CMOS SPADs 

IEEE Int. SPAD Sensor Workshop (ISSW), Jun. 2024. 

Joo-Hyun Kim, Eunsung Park, Seonghyeok Park, Seong-Jin Kim, Woo-Young Choi, and Myung-Jae Lee 

An Indirect Time-of-Flight Sensor with Adaptive Multiple Sampling for High Depth Precision 

IEEE Int. Symp. Circuits Syst. (ISCAS), May 2024. (Best Runner-up Paper Award in Sensory Systems) 

Jung-Hye Hwang, Jubin Kang, Yongjae Park, Insang Son, Kieop Hong, and Seong-Jin Kim 

A 160×120 Flash LiDAR Sensor with Fully Analog-Assisted In-Pixel Histogramming TDC Based on Self-Referenced SAR ADC 

IEEE Int. Solid-State Circuits Conf. (ISSCC), Feb. 2024, pp. 112-113. 

Su-Hyun Han, Seonghyeok Park, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim 

A 320×240 CMOS LiDAR Sensor with 6-transistor nMOS-only SPAD Analog Front-end and Area-efficient Priority Histogram Memory 

IEEE Int. Solid-State Circuits Conf. (ISSCC), Feb. 2024, pp. 120-121. 

Minkyung Kim, Hyeongseok Seo, Songhyeon Kim, Jung-Hoon Chun, Seong-Jin Kim, and Jaehyuk Choi 

A 160×120 Indirect Time-of-Flight Sensor with Pixel-level Adaptive ΔΣ-operations for Background Light Cancellation 

IEEE Asian Solid-State Circuits Conf. (A-SSCC), Nov. 2023 

Yongjae Park, Jubin Kang, Dahwan Park, Insang Son, Jung-Hye Hwang, and Seong-Jin Kim 

A Low-Noise 0.001Hz-1kHz Sample-Level Duty-Cycling Neural Recording System-on-Chip 

IEEE Int. Symp. Circuits Syst. (ISCAS), May 2023. (Best Runner-up Paper Award in BioCAS) 

Jiajia Wu, Abraham Akinin, Min Lee, Akshay Paul, Hongyu Lu, Yongjae Park, Preston Fowler, Seong-Jin Kim 

A 0.0308mm2 4.15pJ/conv VCO-Based Current Sensing Front-End with 2nd-Order Δ2-ΔΣ Modulation  

IEEE Asian Solid-State Circuits Conf. (A-SSCC), Nov. 2022. 

Jee-Ho Park, Ji-Hyoung Cha, Yongjae Park, and Seong-Jin Kim 

A 100×80 CMOS Flash LiDAR Sensor with 0.0011mm2 In-Pixel Histogramming TDC Based on Analog Counter and Self-Calibrated Single-Slope ADC 

IEEE Symp. VLSI Circuits, Jun. 2022, pp. 82-83. 

Su-Hyun Han, Bumjun Kim, Seonghyeok Park, Yongjae Park, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim 

A 640×480 Indirect Time-of-Flight Image Sensor with Tetra Pixel Architecture for Tap Mismatch Calibration and Motion Artifact Suppression  

IEEE Symp. VLSI Circuits, Jun. 2022, pp. 44-45. 

Jubin Kang, Yongjae Park, Jung-Hye Hwang, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim 

A Reconfigurable Sub-Array Multiplexing Microelectrode Array System with 24,320 Electrodes and 380 Readout Channels for Investigating Neural Communication 

IEEE Int. Solid-State Circuits Conf. (ISSCC), Feb. 2022, pp. 342-343. 

Ji-Hyoung Cha, Jee-Ho Park, Yongjae Park, Hyogeun Shin, Kyeong Seob Hwang, Il-Joo Cho, and Seong-Jin Kim 

An 80×60 Flash LiDAR Sensor with In-Pixel Histogramming TDC Based on Quaternary Search and Time-Gated Δ-Intensity Phase Detection for 45m Detectable Range and Background Light Cancellation 

IEEE Int. Solid-State Circuits Conf. (ISSCC), Feb. 2022, pp. 98-99. 

Seonghyeok Park, Bumjun Kim, Junhee Cho, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim 

A 70mW Indirect Time-of-Flight Image Sensor with Depth Dynamic Range Enhancement and Fixed Depth Noise Compensation 

IEEE Asian Solid-State Circuits Conf. (A-SSCC), Nov. 2021. 

Canxing Piao, Yeonsoo Ahn, Donguk Kim, Jihoon Park, Jubin Kang, Minseok Shin, Kangbong Seo, Seong-Jin Kim, Jung-Hoon Chun, and Jaehyuk Choi 

A 3.1-µW BJT-Based CMOS Temperature-to-Frequency Converter with Untrimmed Inaccuracy of ±1°C (3σ) from -40°C to 140°C 

IEEE Asian Solid-State Circuits Conf. (A-SSCC), Nov. 2021. 

Jee-Ho Park, Jung-Hye Hwang, Changyong Shin, and Seong-Jin Kim   

A CMOS LiDAR Sensor with Pre-Post Weighted-Histogramming for Sunlight Immunity Over 105 klx and SPAD-based Infinite Interference Canceling 

IEEE Symp. VLSI Circuits Dig. Tech. Papers, Jun. 2021. 

Hyeongseok Seo, Gihwan Cho, Jungwoo Kim, Junhan Bae, Seong-Jin Kim  

A 3.8-µW/Ch, 15-Gohm Total Input Impedance Chopper Stabilized Amplifier with Dual Positive Feedback Loops and Auto-calibration Scheme 

IEEE Symp. VLSI Circuits Dig. Tech. Papers, Jun. 2021. 

Yongjae Park, Ji-Hyoung Cha, Su-Hyun Han, Jee-Ho Park, and Seong-Jin Kim 

A 48×40 13.5-mm Depth Resolution Flash LiDAR Sensor with In-pixel Zoom Histogramming Time-to-Digital Converter 

IEEE Int. Solid-State Circuits Conf. (ISSCC) Dig. Tech. Papers, Feb. 2021, pp. 108-109. (Silkroad Award) 

Bumjun Kim, Seonghyeok Park, Jung-Hoon Chun, Jaehyuk Choi, and Seong-Jin Kim 

A 36-channel SPAD-integrated scanning LiDAR sensor with multi-event histogramming TDC and embedded interference filter 

IEEE Symp. VLSI Circuits Dig. Tech. Papers, Jun. 2020. (Highlighted Paper) 

Hyeongseok Seo, Heesun Yoon, Dongkyu Kim, Jungwoo Kim, Seong-Jin Kim, Jung-Hoon Chun, and Jaehyuk Choi 

A Dynamic Pseudo 4-Tap CMOS Time-of-Flight Image Sensor with Motion Artifact Suppression and Background Light Cancelling Over 120klux 

IEEE Int. Solid-State Circuits Conf. (ISSCC) Dig. Tech. Papers, Feb. 2020, pp. 100-101. (Silkroad Award) 

Donguk Kim, Seunghyun Lee, Dahwan Park, Canxing Piao, Jihoon Park, Yeonsoo Ahn, Kihwan Cho, Jungsoon Shin, Seung Min Song, Seong-Jin Kim, Jung-Hoon Chun, and Jaehyuk Choi 

A Low Noise Single-Slope ADC with Signal-Dependent Multiple Sampling Technique 

Proc. of International Image Sensor Workshop (IISW), Jun. 2019, pp. 92-94. 

Sanguk Lee, Seunghyun Lee, Bumjun Kim, and Seong-Jin Kim  

A Multimodal Multichannel Neural Activity Readout IC with Electrical Recording and 0.7μW/Channel Ca2+-Probe-Based Fluorescence Recording in 0.18μm CMOS 

IEEE Symp. VLSI Circuits Dig. Tech. Papers, Jun. 2019, pp. C290-C291. 

Taeju Lee, Jee-Ho Park, Ji-Hyoung Cha, Namsun Chou, Doojin Jang, Ji-Hoon Kim, Il-Joo Cho, Seong-Jin Kim, and Minkyu Je 

A 4.86 µW/Channel Fully Differential Multi-Channel Neural Recording System 

International SoC Design Conference (ISOCC), Nov. 2018. 

Taeju Lee, Ji-Hyoung Cha, Su-Hyun Han, Seong-Jin Kim, and Minkyu Je 

Low-Energy Integrated Circuits and Microsystems for Implantable Wireless Neural Recording (Invited Paper) 

URSI Asia-Pacific Radio Science Conference (AP-RASC), Aug. 2016, pp. 998–999. 

Minkyu Je and Seong-Jin Kim 

High Accuracy Remote Temperature Sensor Based on BJT Devices in 0.13-μm CMOS   

Proc. of International Symposium on Integrated Circuits (ISIC), Dec. 2014, pp. 408-411. 

Seong-Jin Kim, Simon Ng, David Wee, Yoon Hwee Leow, Fan-Yung Ma, and Sie Boo Chiang 

A 2-D/3-D Image Sensor with PPD-Based Lock-in Pixels (invited)  

Proc. of 2nd Asian Image Sensors and Imaging Systems Symposium, Dec. 2014, pp. 59-60. 

Seong-Jin Kim 

A 0.5-V Sub-µW/Channel Neural Recording IC with Delta-Modulation-Based Spike Detection  

Proc. of IEEE Asian Solid-State Circuits Conf. (A-SSCC), Nov. 2014, pp. 189-192. 

Seong-Jin Kim, Lei Liu, Lei Yao, Wang Ling Goh, Yuan Gao, and Minkyu Je 

A 16.6µW 32.8MHz Monolithic CMOS Relaxation Oscillator 

Proc. of IEEE Asian Solid-State Circuits Conf. (A-SSCC), Nov. 2014, pp. 161-164. 

Yat-Hei Lam and Seong-Jin Kim 

A 5.9µm-pixel 2D/3D Image Sensor with Background Suppression Over 100klx 

IEEE Symp. VLSI Circuits Dig. Tech. Papers, Jun. 2013, pp. 6-7. 

Jihyun Cho, Jaehyuk Choi, Seong-Jin Kim, Jungsoon Shin, Seokjun Park, James D. K. Kim, and Euisik Yoon 

A full-HD CMOS Image Sensor with Time-multiplexed 2D/3D Image Acquisition (Invited) 

Proc. of 19th IDW/AD, Dec. 2012, pp. 1533-1536. 

Seong-Jin Kim, Jungsoon Shin, Byongmin Kang, James D. K. Kim, and Keechang Lee 

A 1920×1080 3.65µm-Pixel 2D/3D Image Sensor with Split and Binning Pixel Structure in 0.11µm Standard CMOS 

IEEE Int. Solid-State Circuits Conf. (ISSCC) Dig. Tech. Papers, Feb. 2012, pp. 396-397. 

Seong-Jin Kim, Byongmin Kang, James D. K. Kim, Keechang Lee, Chang-Yeong Kim, and Kinam Kim 

A 640×480 Image Sensor with Unified Pixel Architecture for 2D/3D Imaging in 0.11µm CMOS 

IEEE Symp. VLSI Circuits Dig. Tech. Papers, Jun. 2011, pp. 92-93. 

Seong-Jin Kim, James D. K. Kim, Sang-Wook Han, Byongmin Kang, Keechang Lee, and Chang-Yeong Kim 

Harmonic distortion free distance estimation in ToF camera 

Proc. of SPIE, vol. 7864, Jan. 2011, pp. 786403-1~9. 

Byongmin Kang, Seong-Jin Kim, Seungkyu Lee, Keechang Lee, James D. K. Kim, and Chang-Yeong Kim 

Label-free CMOS DNA Quantification with On-chip Noise Reduction Schemes  

Proc. of the 14th Int. Conf. Solid-State Sensors, Actuators and Microsystems (Transducers), June 2007, pp. 947-950. 

Seong-Jin Kim, Mithun Shenoi, Kyutae Yoo, Jeoyoung Shim, Wonseok Chung, Christopher Ko, Lee-Sup Kim, and Euisik Yoon 

A Spatial-Temporal Multi-resolution CMOS Image Sensor with Adaptive Frame Rates for Moving Objects in the Region-of-Interest 

IEEE Int. Solid-State Circuits Conf. (ISSCC) Dig. Tech. Papers, Feb. 2007, pp. 502-503. 

Jaehyuk Choi, Sang-Wook Han, Seong-Jin Kim, Sun-Il Chang, and Euisik Yoon 

Non-surface-binding Label-free Quantification of PCR Product with Fast and Sequential Detection Capability 

Proc. of Int. Conf. micro TAS’06, Nov. 2006, pp. 762-764.  

Maesoon Im, Seong-Jin Kim, Kyutae Yoo, Jeoyoung Shim, Kyusang Lee, Younja Cho, Wonseok Chung, Christopher Ko, and Euisik Yoon 

A High Dynamic Range CMOS Image Sensor with In-Pixel Floating-Node Analog Memory for Pixel Level Integration Time Control 

IEEE Symp. VLSI Circuits Dig. Tech. Papers, Jun. 2006, pp. 25-26. 

Sang-Wook Han, Seong-Jin Kim, Jaehyuk Choi, Choong-Ki Kim, and Euisik Yoon 

A 200×160 Pixel CMOS Fingerprint Recognition SoC with Adaptable Column-Parallel Processors 

IEEE Int. Solid-State Circuits Conf. (ISSCC) Dig. Tech. Papers, Feb. 2005, pp. 250-251. 

Seong-Jin Kim, Kwang-Hyun Lee, Sang-Wook Han, and Euisik Yoon 

A Modular Expandable Tactile Sensor Using Flexible Polymer 

IEEE Int. Conf. MEMS Tech. Dig., Jan. 2005, pp. 642-645. 

Hyung-Kew Lee, Sun-Il Chang, Kyung-Hyun Kim, Seong-Jin Kim, Kwang-Seok Yun, and Euisik Yoon