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Pub: Journals

*: Corresponding Authorship

  1. Jae-Hyun Kim, Se-Hong Park, Jiho Lee, Jeong-Hyun Cho, Gyu-Hyeong Cho, and Hyun-Sik Kim*, “A Floating Voltage Source-Based Turn-Off Snubber for a Nonisolated Multilevel SiC DC-DC Converter,” IEEE Transactions on Industrial Electronics (TIE), vol. 72, no. 1, pp. 390-400, Jan. 2025
     
  2. Dae-Hyeon Kim and Hyun-Sik Kim*, “A Power-Efficient Single-Mode Buck-Boost DC-DC Converter with Bilaterally Symmetrical Hybrid Topology,” IEEE Journal of Solid-State Circuits (JSSC), vol. 59, no. 12, pp. 4137-4149, Dec. 2024
     
  3. Jun-Gi Lee and Hyun-Sik Kim*, “A Fully Integrated, Domino-Like-Buffered LDO Regulator With High Power-Supply Rejection Across the Full Frequency Spectrum,” IEEE Journal of Solid-State Circuits (JSSC), vol. 59, no. 12, pp. 4088-4100, Dec. 2024
     
  4. Yousung Park, Gyeong-Gu Kang, Gyu-Wan Lim, Seunghwa Shin, Yong-Sung Ahn, Wonyoun Kim, and Hyun-Sik Kim*, “A 10-Bit Source-Driver IC With Charge-Modulation DAC for Enhanced Frame-Rate Mobile OLED Displays,” IEEE Journal of Solid-State Circuits (JSSC), vol. 59, no. 11, pp. 3511-3524, Nov. 2024
     
  5. Jeong-Hyun Cho, Hong-Hyun Bae, Gyu-Wan Lim, Tae-Hwang Kong, Jun-Hyeok Yang, and Hyun-Sik Kim*, “A Fully Integrated Multi-Phase Voltage Regulator with Flying-Capacitor-Based Inter-Inductor Current Self-Balancing Scheme and Charge-Recycling Gate Driver,” IEEE Journal of Solid-State Circuits (JSSC), vol. 59, no. 8, pp. 2529-2544, Aug. 2024
     
  6. Seunghwa Shin, Gyeong-Gu Kang, Gyu-Wan Lim, and Hyun-Sik Kim*, “A Display Source-Driver IC Featuring Multistage-Cascaded 10-Bit DAC and True-DC-Interpolative Super-OTA Buffer,” IEEE Journal of Solid-State Circuits (JSSC), vol. 59, no. 4, pp. 1050-1066, April 2024
     
  7. Gyu-Wan Lim, Gyeong-Gu Kang, Hyunggun Ma, Moonjae Jeong, and Hyun-Sik Kim*, “An Area-Efficient 10-Bit Source-Driver IC with LSB-Stacked LV-to-HV-Amplify DAC for Mobile OLED Displays,” IEEE Journal of Solid-State Circuits (JSSC), vol. 58, no. 11, pp. 3164-3178, Nov. 2023
     
  8. Heejun Lee, Hyunki Han, and Hyun-Sik Kim*, “A 4-to-42 V Input 3.3 V Output Self-Biased DC-DC Buck Converter Featuring Leakage-Emulated Bootstrap Voltage Refresher and Anti-Deadlock,” IEEE Solid-State Circuits Letters (SSC-L), vol. 6, pp. 261-264, Oct. 2023
     
  9. Hyun-Sik Kim*, “Exploring Ways to Minimize Dropout Voltage for Energy-Efficient Low-Dropout Regulators: Viable approaches that preserve performance,” IEEE Solid-State Circuits Magazine (SSC-M), vol. 15, no. 2, pp. 59-68, Spring 2023
     
  10. Min-Woo Ko, Hyunki Han, and Hyun-Sik Kim*, “A Bipolar-Output Switched-Capacitor DC-DC Boost Converter with Residual-Energy-Recycling Regulation and Low Dropout Post-Filtering Techniques,” IEEE Journal of Solid-State Circuits (JSSC), vol. 58, no. 5, pp. 1400-1413, May 2023
     
  11. Gyeong-Gu Kang, Ji-Hun Lee, Se-Un Shin, Gyu-Hyeong Cho, and Hyun-Sik Kim*, “A Boost-Oriented SIDO (BO-SIDO) Step-Up/Down DC-DC Converter Embedding Buck Conversion with an Energy-Balancing Capacitor,” IEEE Solid-State Circuits Letters (SSC-L), vol. 5, pp. 296-299, Dec. 2022
     
  12. Hong-Hyun Bae, Jeong-Hyun Cho, Gyeong-Gu Kang, Yousung Park, and Hyun-Sik Kim*, “A Power-Efficient 1–2-MHz Hysteretic Buck Converter With High DVS Rate Enabled by Isosceles-Triangular Shunt Current Push–Pull Technique,” IEEE Solid-State Circuits Letters (SSC-L), vol. 5, pp. 280-283, Nov. 2022
     
  13. Jeong-Hyun Cho, Dong-Kyu Kim, Hong-Hyun Bae, Yong-Jin Lee, Seok-Tae Koh, Younghwan Choo, Ji-Seon Paek, and Hyun-Sik Kim*, “A Fully Integrated Multi-Phase Buck Converter with On-Chip Capacitor Dynamic Re-Allocation and Fine-Grained Phase-Shedding Techniques,” IEEE Journal of Solid-State Circuits (JSSC), vol. 57, no. 12, pp. 3840-3852, Dec. 2022
     
  14. Jiho Lee, Sang-Han Lee, Gyeong-Gu Kang, Jae-Hyun Kim, Gyu-Hyeong Cho, and Hyun-Sik Kim*, “A Triboelectric Energy-Harvesting Interface with Scalable Multi-Chip-Stacked Bias-Flip and Daisy-Chained Synchronous Signaling Techniques,” IEEE Journal of Solid-State Circuits (JSSC), vol. 57, no. 12, pp. 3825-3839, Dec. 2022
     
  15. Young-Seok Noh, Jeong-Il Seo, Hyun-Sik Kim, and Sang-Gug Lee*, “A Reconfigurable DC-DC Converter for Maximum Thermoelectric Energy Harvesting in a Battery-Powered Duty-Cycling Wireless Sensor Node,” IEEE Journal of Solid-State Circuits (JSSC), vol. 57, no. 9, pp. 2719-2730, Sept. 2022
     
  16. Seok-Tae Koh, Ji-Hun Lee, Gyeong-Gu Kang, Hyunki Han, and Hyun-Sik Kim*, “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,” IEEE Journal of Solid-State Circuits (JSSC), vol. 56, no. 12, pp. 3593-3607, Dec. 2021
     
  17. Tae-Gyun Song, Dong-Kyu Kim, Jeong-Hyun Cho, Ji-Hun Lee, and Hyun-Sik Kim*, “A 50.7-dB-DR Finger-Resistance Extracting Multi-Touch Sensor IC for Soft Classification of Fingers Contacted on 6.7-inch Capacitive Touch Screen Panel,” IEEE Journal of Solid-State Circuits (JSSC), vol. 56, no. 11, pp. 3470-3485, Nov. 2021
     
  18. Ji-Hun Lee and Hyun-Sik Kim*, “An Energy-Efficient 2×VBAT-Swing Switched-Mode Audio Amplifier with Fully-Differential Single-Inductor Linear Buck-Boost Power Topology,” IEEE Solid-State Circuits Letters (SSC-L), vol. 4, pp. 186-189, Oct. 2021
     
  19. Kye-Seok Yoon, Seungchul Jung, Ji-Hun Lee, Sang Joon Kim, Hyun-Sik Kim*, and Gyu-Hyeong Cho, “A Single-Inductor Multiple-Output (SIMO) 0.8-V/1.8-V/12-V Step-Up/Down Converter with Low Quiescent Current for Implantable Electroceutical SoCs,” IEEE Solid-State Circuits Letters (SSC-L), vol. 4, pp. 182-185, Oct. 2021
     
  20. Dong-Kyu Kim, Se-Un Shin, and Hyun-Sik Kim*, “A BGR-Recursive Low-Dropout Regulator Achieving High PSR in the Low- to Mid-Frequency Range,” IEEE Transactions on Power Electronics (TPEL), vol. 35, no. 12, pp. 13441-13454, Dec. 2020
     
  21. Hyun-Sik Kim*, “High-SNR and Process-Insensitive CMOS Capacitive Transimpedance Amplifier with Finely Tunable Conversion Gain,” Journal of Semiconductor Technology and Science (JSTS), vol. 18, no. 5, pp. 578-585, Oct. 2018​
     
  22. Min-Woo Kim, Dong-Kyu Kim, Tetsuhiro Kodani, Takashi Kanemura, Hui-Dong Gwon, Gyu-Hyeong Cho, Kwan-Young Han, and Hyun-Sik Kim*, “Thermal-Variation Insensitive Force-Touch Sensing System Using Transparent Piezoelectric Thin-Film,” IEEE Sensors Journal (Sens. J.), vol. 18, no. 14, pp. 5863-5875, July 2018 ​
     
  23. Hyun-Sik Kim* and Dong-Kyu Kim, “An Active-Matrix OLED Driver CMOS IC with Compensation of Non-Uniform Routing-Line Resistances in Ultra-Thin Panel Bezel,” IEEE Journal of Solid-State Circuits (JSSC), vol. 53, no. 2, pp. 484-500, Feb. 2018​
     
  24. Kye-Seok Yoon, Hyun-Sik Kim*, Wanyuan Qu, Young-sub Yuk, and Gyu-Hyeong Cho, “Fully-Integrated Digitally-Assisted Low-Dropout Regulator for NAND Flash Memory System,” IEEE Transactions on Power Electronics (TPEL), vol. 33, no. 1, pp. 388-406, Jan. 2018​
     
  25. Woonsung Kang, Sunnam Hwang, Ho Jung Chang, and Hyun-Sik Kim*, “3.7-V Single Battery-Cell High-Efficiency Power Management Circuit and System for UAV-Drones,” Journal of the Microelectronics and Packaging Society, vol. 24, no. 3, pp. 63-69, Sept. 2017 ​
     
  26. Hyun-Sik Kim, Hyeon-Deuk Hwang, and Kwan-Young Han*, “Ink-Step Adaptability and Reliability of Maleimide-Functionalized UV-Curable Optically Clear Adhesives,” Nanoscience and Nanotechnology Letters, vol. 9, no. 8, pp. 1146-1152, Sept. 2017 ​​
     
  27. Sang-Hui Park, Hyun-Sik Kim*, Jun-Suk Bang, Gyu-Ha Cho, and Gyu-Hyeong Cho, “A 0.26 nJ/node, 400 kHz Tx Driving, Filtered Fully Differential Readout IC with Parasitic RC Time Delay Reduction Technique for 65-inch 169×97 Capacitive-Type Touch Screen Panel,” IEEE Journal of Solid-State Circuits (JSSC), vol. 52, no. 2, pp. 528-542, Feb. 2017 ​​
     
  28. Hyun-Sik Kim*, “Sporadically-Driven Clockless In-Pixel Multi-Bit Energy Discriminator for X-ray Spectrometry CMOS PCD Imagers,” Electronics Letters (EL), vol. 52, no. 19, pp. 1590-1592, Sept. 2016 ​​
     
  29. Hyun-Sik Kim* and Kwan-Young Han, “Switching power supply circuit with voltage-drop compensation for AMOLED displays,” IEICE Electronics Express (ELEX), vol. 13, no. 12, pp. 1-6, June 2016 ​
     
  30. Jun-Suk Bang, Hyun-Sik Kim*, Ki-Duk Kim, Oh-Jo Kwon, Choong-Sun Shin, Joohyung Lee, and Gyu-Hyeong Cho*, “A Hybrid AMOLED Driver IC for Real-time TFT Non-uniformity Compensation,” IEEE Journal of Solid-State Circuits (JSSC), vol. 51, no. 4, pp. 966-978, April 2016 ​
     
  31. Hyun-Sik Kim* and Kwan-Young Han, “Low-noise Reset Technique of an Asynchronous Charge-pulse-detecting Pixel for Single-photon X-ray Imaging,” Journal of the Korean Physical Society (JKPS), vol. 68, no. 3, pp. 456-461, Feb. 2016 ​
     
  32. Hyun-Sik Kim* and Kwan-Young Han, “High-SNR Capacitive Multi-Touch Sensing Technique for AMOLED Display Panels,” IEEE Sensors Journal (Sens. J.), vol. 16, no. 4, pp. 859-860, Feb. 2016​
     
  33. Hyun-Sik Kim and Kwan-Young Han*, “Antimicrobial Activity of SiO2-Deposition on Ag-Doped and ZnO-Coated Glasses,” Nanoscience and Nanotechnology Letters, vol. 8, no. 1, pp. 66-70, Jan. 2016 ​
     
  34. Hyun-Sik Kim and Kwan-Young Han*, “Discoloration Improvement of Window Black-Matrix by Control of Polymer Crosslink-Density for Mobile Phones,” Nanoscience and Nanotechnology Letters, vol. 7, no. 12, pp. 961-966, Dec. 2015​
     
  35. Hyun-Sik Kim* and Kwan-Young Han, “High-Linearity In-Pixel Thermal Sensor Using Low-Temperature Poly-Si Thin-Film Transistors,” IEEE Sensors Journal (Sens. J.), vol. 15, no. 2, pp. 963-970, Feb. 2015​
     

  36. Sukhwan Choi, Hyun-Sik Kim, Seungchul Jung, Si-Duk Sung, Young-Sub Yuk, Hyuck-Sang Yim, Yoonjae Shin, Jun-Ho Cheon, Changyong Ahn, Taekseung Kim, Yongki Brave Kim, and Gyu-Hyeong Cho*, “Auto-Scaling Overdrive Method Using Adaptive Charge Amplification for PRAM Write Performance Enhancement,” IEEE Transactions on Circuits and Systems I: Regular Papers (TCAS-1), vol. 61, no. 11, pp. 3165-3174, Nov. 2014
     

  37. Geon-Hee Kim, Hyun-Sik Kim, Sang-Hui Park, Jun-Suk Bang, and Gyu-Hyeong Cho*, “A Gamma-Type Current-Mode Digital-to-Analog Converter for Active-Matrix Organic Light-Emitting Diode Display Drivers,” Journal of Information Display, vol. 15, no. 4, pp. 163-167, Sept. 2014
     

  38. Hyun-Sik Kim, Jun-Hyeok Yang, Sang-Hui Park, Seung-Tak Ryu, and Gyu-Hyeong Cho*, “A 10-Bit Column-Driver IC with Parasitic-Insensitive Iterative Charge-Sharing Based Capacitor-String Interpolation for Mobile Active-Matrix LCDs,” IEEE Journal of Solid-State Circuits (JSSC), vol. 49, no. 3, pp. 766-782, Mar. 2014​
     
  39. Hyun-Sik Kim, Sang-Wook Han, Jun-Hyeok Yang, Sunil Kim, Young Kim, Sangwook Kim, Dae-Kun Yoon, Jun-Su Lee, Jae-Chul Park, Younghun Sung, Seong-Deok Lee, Seung-Tak Ryu, and Gyu-Hyeong Cho*, “An Asynchronous Sampling-Based 128 × 128 Direct Photon-Counting X-Ray Image Detector with Multi-Energy Discrimination and High Spatial Resolution,” IEEE Journal of Solid-State Circuits (JSSC), vol. 48, no. 2, pp. 541-558, Feb. 2013 (Best Student Paper Award) ​
     
  40. Hyun-Sik Kim, Jin-Yong Jeon, Sung-Woo Lee, Jun-Hyeok Yang, Seung-Tak Ryu, and Gyu-Hyeong Cho*, “A Compact-Sized 9-Bit Switched-Current DAC for AMOLED Mobile Display Drivers,” IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-2), vol. 58, no. 12, pp. 887-891, Dec. 2011​

     
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