机构

Korea University

10 篇 ISSCC 论文

ISSCC 2026 Session 36 AI / ML
An 80×80μm2/Pixel 55.48dB-Wide-DR 400-Pixel Subretinal Prosthesis SoC with Power-Aware Light Adaptation and Charge-Recycling Local Dynamic Supply
Kyeongho Eom1, Hyun-Su Lee1, Minju Kim2, Maesoon Im2, Hyung-Min Lee1
Abstract We propose a light-adaptive retinal prosthesis (LARP) SoC, which employs power-aware light adaptation achieving a wide light-sensing DR of 55.48dB. Pixel clustering enables a compact pixel size of 80×80μm2, enha
ISSCC 2026 Session 36 AI / ML
A 90.7%-Efficiency Hybrid Optogenetic Stimulation System with Sub-Threshold Electrical Stimuli Achieving 70.6% Optical Energy Saving
Joonghoon Kang1, Hyeonhee Roh2, Kyeongho Eom1, Hyun-Su Lee1, Hojae Chon1, Maesoon Im2, Hyung-Min Lee1
Abstract This work presents a hybrid optogenetic stimulation system with sub-threshold electrical stimuli that lower the optical threshold and reduce energy consumption. It achieves 90.75% LED driving efficiency through
ISSCC 2026 Session 16 Power Management
A 96.6% Single-Mode Hybrid Dual-Path Buck-Boost Converter with Conduction Loss Reduction through Conversion-Ratio-Based Adaptive 3-Phase Control
Minsu Kim1, Yunho Lee1, Hyunjun Park1, Hongseok Kim1,2, Woojoong Jung1,2, Minwoo Kim2, Junhyun Bae2, Hyoung-Seok Oh2, Hw
Abstract This paper presents a 3-phase dual-path buck-boost converter that effectively reduces conduction loss by combining a dual-path topology with adaptive 3-phase control. The proposed control technique minimizes ind
ISSCC 2025 Session 6 Image Sensors
A Real-Time Pixel-Compensated Source-Driver IC with Dual-Slope Error Detection and Multi-Channel Time-Multiplexing Compensator for Compact OLED Displays
Jaewoong Ahn, Seung Hun Choi, Jun Yeol An, Minseong Um, Hyung-Min Lee
Active-matrix organic light-emitting diode (AMOLED) displays, especially those using lowtemperature polycrystalline silicon (LTPS) thin-film transistors (TFTs), have been widely used in mobile devices thanks to their hig
ISSCC 2025 Session 21 Power Management
A 97.4%-Peak-Efficiency Always-Half-Inductor-Current Hybrid Bidirectional Converter with Adaptive Target Current Tracking for USB-to-2-Cell Bidirectional Power Transfer
Yunho Lee, Hyunjun Park, Minsu Kim, Woojoong Jung, Hongseok Kim, Hyung-Min Lee
critical, particularly in those using a 2-cell battery such as tablets, portable gaming consoles, and power banks. In forward mode (FM), these devices are predominantly charged via a 5V USB travel adapter (VUSB), ensurin
ISSCC 2024 Session 27 Wireless
A 90.8%-Efficiency SIMO Resonant Regulating Rectifier Generating 3 Outputs in a Half Cycle with Distributed Multi-Phase Control for Wirelessly-Powered Implantable Devices
Hyun-Su Lee, Kyeongho Eom, Hyung-Min Lee
Wirelessly-powered implantable medical devices (IMDs) have recently embraced a 1stage resonant regulating rectifier (R3) to enhance power conversion efficiency (PCE), replacing the prior 2-stage structure comprising an ac-
ISSCC 2024 Session 26 Medical & Bio
Noise Immunity in Capacitive Sensing: Single-Ended AFE Design with Common-Current Subtraction for Mutual- and Self-Capacitance Sensing in 390pF Load
Jun Yeol An1, Seung Hun Choi1, Si-Woo Kim2, Jae-Youl Lee2, Hyung-Min Lee1, Yoon-Kyung Choi1
flagship smartphones thanks to their thin form factor. However, the touch sensor integrated within the display faces several technical challenges arising from large parasitic capacitance of the touch sensor [1]. A potenti
ISSCC 2024 Session 26 Medical & Bio
A Fully Nonlinear Compact 10b Source Driver with Low-Voltage Gamma Slope DAC and Data/Phase Dependent Current Modulation Achieving 2411μm2/Channel for Mobile OLED Displays
Jaewoong Ahn1, Seung Hun Choi1, Junyeol An1, Ki-Duk Kim2, Hyung-Min Lee1
C&Tech, Seoul, Korea 1 2 With the rapid development of display technology, there is a growing demand for highcolor-depth, low-power, cost-effective, and compact source-driver ICs (SD-IC), which convert digital data to an
ISSCC 2014 Session 23 Power Management
Self-Powered 30µW-to-10mW Piezoelectric EnergyHarvesting System with 9.09ms/V Maximum Power Point Tracking Time
Minseob Shim, Jungmoon Kim, Junwon Jung, Chulwoo Kim
Energy harvesting is a key technology in various small-size applications such as wireless sensor nodes, mobile devices, and implantable bio-devices to improve battery lifetime or to substitute for batteries. Piezoelectri
ISSCC 2011 Session 20 Wireline I/O
A 0.076mm2 3.5GHz Spread-Spectrum Clock Generator with Memoryless Newton-Raphson Modulation Profile in 0.13µm CMOS
Sewook Hwang, Minyoung Song, Young-Ho Kwak, Inhwa Jung, Chulwoo Kim
EMI, which has become a serious problem in high-speed systems. In applications such as serial links, display drivers and consumer electronics, SSCG is essential or strongly recommended. Control options such as frequency