Author details

Jae-Hyun Kim;Se-Hong Park;Jiho Lee;Jeong-Hyun Cho;Gyu-Hyeong Cho;Hyun-Sik Kim

Year: 2025 | Volume: 72, Issue: 1 | Journal Article |

HTML

A Floating Voltage Source-Based Turn-Off Snubber for a Non-Isolated Multilevel SiC DC-DC Converter

Gyeong-Gu Kang;Ji-Hun Lee;Se-Un Shin;Gyu-Hyeong Cho;Hyun-Sik Kim

Year: 2025 | Volume: 72, Issue: 1 | Journal Article |

A Boost-Oriented SIDO (BO-SIDO) Step-Up/Down DC–DC Converter Embedding Buck Conversion With an Energy-Balancing Capacitor

Gyeong-Gu Kang;Ji-Hun Lee;Se-Un Shin;Gyu-Hyeong Cho;Hyun-Sik Kim

Year: 2022 | Volume: 5 | Journal Article |

Cited by: Papers (5)

HTML

A Boost-Oriented SIDO (BO-SIDO) Step-Up/Down DC–DC Converter Embedding Buck Conversion With an Energy-Balancing Capacitor

Jiho Lee;Sang-Han Lee;Gyeong-Gu Kang;Jae-Hyun Kim;Gyu-Hyeong Cho;Hyun-Sik Kim

Year: 2022 | Volume: 5 | Journal Article |

A Triboelectric Energy-Harvesting Interface With Scalable Multi-Chip-Stacked Bias-Flip and Daisy-Chained Synchronous Signaling Techniques

Jiho Lee;Sang-Han Lee;Gyeong-Gu Kang;Jae-Hyun Kim;Gyu-Hyeong Cho;Hyun-Sik Kim

Year: 2022 | Volume: 57, Issue: 12 | Journal Article |

Cited by: Papers (8)

HTML

A Triboelectric Energy-Harvesting Interface With Scalable Multi-Chip-Stacked Bias-Flip and Daisy-Chained Synchronous Signaling Techniques

Gyeong-Gu Kang;Ji-Hun Lee;Se-Un Shin;Gyu-Hyeong Cho;Hyun-Sik Kim

Year: 2022 | Volume: 57, Issue: 12 | Journal Article |

A 5.6W-Power 96.6%-Efficiency Boost-Oriented SIDO Step-Up/Down DC-DC Converter Embedding Buck Conversion with an Energy-Balancing Capacitor

2022 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits)

Year: 2022 | Conference Paper |

Cited by: Papers (1)

HTML

A 5.6W-Power 96.6%-Efficiency Boost-Oriented SIDO Step-Up/Down DC-DC Converter Embedding Buck Conversion with an Energy-Balancing Capacitor

Gyeong-Gu Kang;Ji-Hun Lee;Se-Un Shin;Gyu-Hyeong Cho;Hyun-Sik Kim

2022 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits)

Year: 2022 | Conference Paper |

A 130V Triboelectric Energy-Harvesting Interface in .18\mu\mathrm{m}$ BCD with Scalable Multi-Chip-Stacked Bias-Flip and Daisy-Chained Synchronous Signaling Technique

Jiho Lee;Sang-Han Lee;Gyeong-Gu Kang;Jae-Hyun Kim;Gyu-Hyeong Cho;Hyun-Sik Kim

2022 IEEE International Solid-State Circuits Conference (ISSCC)

Year: 2022 | Conference Paper |

Cited by: Papers (1)

HTML

A 130V Triboelectric Energy-Harvesting Interface in .18\mu\mathrm{m}$ BCD with Scalable Multi-Chip-Stacked Bias-Flip and Daisy-Chained Synchronous Signaling Technique

Jiho Lee;Sang-Han Lee;Gyeong-Gu Kang;Jae-Hyun Kim;Gyu-Hyeong Cho;Hyun-Sik Kim

2022 IEEE International Solid-State Circuits Conference (ISSCC)

Year: 2022 | Volume: 65 | Conference Paper |

A 80x60 Microbolometer CMOS Thermal Imager Integrated With a Low-Noise 12-B DAC

Ki-Duk Kim;Seunghyun Park;Byunghun Lee;Hyung-Min Lee;Gyu-Hyeong Cho

Ki-Duk Kim;Seunghyun Park;Byunghun Lee;Hyung-Min Lee;Gyu-Hyeong Cho

Year: 2022 | Volume: 69, Issue: 8 | Journal Article |

Cited by: Papers (3)

HTML

A 80x60 Microbolometer CMOS Thermal Imager Integrated With a Low-Noise 12-B DAC

Kye-Seok Yoon;Seungchul Jung;Ji-Hun Lee;Sang Joon Kim;Hyun-Sik Kim;Gyu-Hyeong Cho

Year: 2022 | Volume: 69, Issue: 8 | Journal Article |

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

Kye-Seok Yoon;Seungchul Jung;Ji-Hun Lee;Sang Joon Kim;Hyun-Sik Kim;Gyu-Hyeong Cho

Year: 2021 | Volume: 4 | Journal Article |

Cited by: Papers (7)

HTML

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

Jae-Young Ko;Yeunhee Huh;Min-Woo Ko;Gyeong-Gu Kang;Gyu-Hyeong Cho;Hyun-Sik Kim

Year: 2021 | Volume: 4 | Journal Article |

A 4.5V-Input 0.3-to-1.7V-Output Step-Down Always-Dual-Path DC-DC Converter Achieving 91.5%-Efficiency with 250mΩ-DCR Inductor for Low-Voltage SoCs

2021 Symposium on VLSI Circuits

Year: 2021 | Conference Paper |

Cited by: Papers (17)

HTML

A 4.5V-Input 0.3-to-1.7V-Output Step-Down Always-Dual-Path DC-DC Converter Achieving 91.5%-Efficiency with 250mΩ-DCR Inductor for Low-Voltage SoCs

Jae-Young Ko;Yeunhee Huh;Min-Woo Ko;Gyeong-Gu Kang;Gyu-Hyeong Cho;Hyun-Sik Kim

2021 Symposium on VLSI Circuits

Year: 2021 | Conference Paper |

An 8Ω, 1.4W, 0.0024% THD+N Class-D Audio Amplifier with Bridge-Tied Load Half-Side Switching Mode Achieving Low Standby Quiescent Current of 660μA

Ji-Hun Lee;Gyeong-Gu Kang;Min-Woo Ko;Gyu-Hyeong Cho;Hyun-Sik Kim

2020 IEEE Symposium on VLSI Circuits

Year: 2020 | Conference Paper |

Cited by: Papers (3)

HTML

An 8Ω, 1.4W, 0.0024% THD+N Class-D Audio Amplifier with Bridge-Tied Load Half-Side Switching Mode Achieving Low Standby Quiescent Current of 660μA

Ji-Hun Lee;Gyeong-Gu Kang;Min-Woo Ko;Gyu-Hyeong Cho;Hyun-Sik Kim

2020 IEEE Symposium on VLSI Circuits

Year: 2020 | Conference Paper |

11.8 A 96.8%-Efficiency Continuous Input/Output-Current Step-Up/Down Converter Powering Disposable IoTs with Reconfigurable Multi-Cell-Balanced Alkaline Batteries

Min-Woo Ko;Gyeong-Gu Kang;Ki-Duk Kim;Ji-Hun Lee;Seoktae Koh;Taehwang Kong;Sang-Ho Kim;Sungyong Lee;Michael Choi;Jongshin Shin;Gyu-Hyeong Cho;Hyun-Sik Kim

2020 IEEE International Solid-State Circuits Conference - (ISSCC)

Year: 2020 | Conference Paper |

Cited by: Papers (4)

HTML

11.8 A 96.8%-Efficiency Continuous Input/Output-Current Step-Up/Down Converter Powering Disposable IoTs with Reconfigurable Multi-Cell-Balanced Alkaline Batteries

Min-Woo Ko;Gyeong-Gu Kang;Ki-Duk Kim;Ji-Hun Lee;Seoktae Koh;Taehwang Kong;Sang-Ho Kim;Sungyong Lee;Michael Choi;Jongshin Shin;Gyu-Hyeong Cho;Hyun-Sik Kim

2020 IEEE International Solid-State Circuits Conference - (ISSCC)

Year: 2020 | Conference Paper |

High-Efficiency Hybrid Dual-Path Step-Up DC–DC Converter With Continuous Output-Current Delivery for Low Output Voltage Ripple

Se-Un Shin;Sung-Wan Hong;Hyung-Min Lee;Gyu-Hyeong Cho

Se-Un Shin;Sung-Wan Hong;Hyung-Min Lee;Gyu-Hyeong Cho

Year: 2020 | Volume: 35, Issue: 6 | Journal Article |

Cited by: Papers (36)

HTML

High-Efficiency Hybrid Dual-Path Step-Up DC–DC Converter With Continuous Output-Current Delivery for Low Output Voltage Ripple

Se-Un Shin;Minseong Choi;Seungchul Jung;Hyung-Min Lee;Gyu-Hyeong Cho

Year: 2020 | Volume: 35, Issue: 6 | Journal Article |

A Time-Interleaved Resonant Voltage Mode Wireless Power Receiver With Delay-Based Tracking Loops for Implantable Medical Devices

Se-Un Shin;Minseong Choi;Seungchul Jung;Hyung-Min Lee;Gyu-Hyeong Cho

Year: 2020 | Volume: 55, Issue: 5 | Journal Article |

Cited by: Papers (21)

HTML

A Time-Interleaved Resonant Voltage Mode Wireless Power Receiver With Delay-Based Tracking Loops for Implantable Medical Devices

Se-Hong Park;Yeong-Hoon Sohn;Gyu-Hyeong Cho

Year: 2020 | Volume: 55, Issue: 5 | Journal Article |

SiC-Based 4 MHz 10 kW ZVS Inverter With Fast Resonance Frequency Tracking Control for High-Density Plasma Generators

Se-Hong Park;Yeong-Hoon Sohn;Gyu-Hyeong Cho

Year: 2020 | Volume: 35, Issue: 3 | Journal Article |

Cited by: Papers (13)

HTML

SiC-Based 4 MHz 10 kW ZVS Inverter With Fast Resonance Frequency Tracking Control for High-Density Plasma Generators

Hyung-Min Lee;Yong-Joon Jeon;Sung-Woo Lee;Byunghun Lee;Gyu-Hyeong Cho

Year: 2020 | Volume: 35, Issue: 3 | Journal Article |

An Area and Power Efficient Interpolation Scheme Using Variable Current Control for 10-Bit Data Drivers in Mobile Active-Matrix LCDs

IEEE Transactions on Consumer Electronics

Year: 2019 | Volume: 65, Issue: 2 | Journal Article |

Cited by: Papers (16)

HTML

An Area and Power Efficient Interpolation Scheme Using Variable Current Control for 10-Bit Data Drivers in Mobile Active-Matrix LCDs

Hyung-Min Lee;Yong-Joon Jeon;Sung-Woo Lee;Byunghun Lee;Gyu-Hyeong Cho

IEEE Transactions on Consumer Electronics

Year: 2019 | Volume: 65, Issue: 2 | Journal Article |

A Hybrid Structure Dual-Path Step-Down Converter With 96.2% Peak Efficiency Using 250-m $\Omega$ Large-DCR Inductor

Yeunhee Huh;Sung-Wan Hong;Gyu-Hyeong Cho

Yeunhee Huh;Sung-Wan Hong;Gyu-Hyeong Cho

Year: 2019 | Volume: 54, Issue: 4 | Journal Article |

Cited by: Papers (45)

HTML

A Hybrid Structure Dual-Path Step-Down Converter With 96.2% Peak Efficiency Using 250-m $\Omega$ Large-DCR Inductor

Ki-Duk Kim;Hyung-Min Lee;Sung-Wan Hong;Gyu-Hyeong Cho

Year: 2019 | Volume: 54, Issue: 4 | Journal Article |

A Noninverting Buck–Boost Converter With State-Based Current Control for Li-ion Battery Management in Mobile Applications

Ki-Duk Kim;Hyung-Min Lee;Sung-Wan Hong;Gyu-Hyeong Cho

Year: 2019 | Volume: 66, Issue: 12 | Journal Article |

Cited by: Papers (22)

HTML

A Noninverting Buck–Boost Converter With State-Based Current Control for Li-ion Battery Management in Mobile Applications

Se-Hong Park;Yeong-Hoon Sohn;Se-Un Shin;Sung-Wan Hong;Gyu-Hyeong Cho

Year: 2019 | Volume: 66, Issue: 12 | Journal Article |

An Accurate and Practical Core Loss Analysis for Compact High Step-Up Converters

Se-Hong Park;Yeong-Hoon Sohn;Se-Un Shin;Sung-Wan Hong;Gyu-Hyeong Cho

Year: 2019 | Volume: 34, Issue: 9 | Journal Article |

Cited by: Papers (2)

HTML

An Accurate and Practical Core Loss Analysis for Compact High Step-Up Converters

Sang-Han Lee;Jun-Suk Bang;Kye-Seok Yoon;Hui-Dong Gwon;Sang-Won Kim;In-Kui Cho;Sung-Wan Hong;Gyu-Hyeong Cho

Year: 2019 | Volume: 34, Issue: 9 | Journal Article |

Voltage-Boosted Current-Mode Wireless Power Receiver for Directly Charging a Low-Voltage Battery in Implantable Medical Systems

Sang-Han Lee;Jun-Suk Bang;Kye-Seok Yoon;Hui-Dong Gwon;Sang-Won Kim;In-Kui Cho;Sung-Wan Hong;Gyu-Hyeong Cho

Year: 2019 | Volume: 66, Issue: 11 | Journal Article |

Cited by: Papers (16)

HTML

Voltage-Boosted Current-Mode Wireless Power Receiver for Directly Charging a Low-Voltage Battery in Implantable Medical Systems

Yeunhee Huh;Se-Un Shin;Sung-Wan Hong;Young-Jin Woo;Yong-Min Ju;Sung-Won Choi;Gyu-Hyeong Cho

Year: 2019 | Volume: 66, Issue: 11 | Journal Article |

A Hybrid Dual-Path Step-Down Converter with 96.2% Peak Efficiency Using a $250\text{m}$ μ Large-DCR Inductor

Yeunhee Huh;Se-Un Shin;Sung-Wan Hong;Young-Jin Woo;Yong-Min Ju;Sung-Won Choi;Gyu-Hyeong Cho

Year: 2018 | Conference Paper |

Cited by: Papers (2) | Patents (3)

HTML

A Hybrid Dual-Path Step-Down Converter with 96.2% Peak Efficiency Using a $250\text{m}$ μ Large-DCR Inductor

Jun-Suk Bang;Hyuntak Jeon;Minkyu Je;Gyu-Hyeong Cho

Year: 2018 | Conference Paper |

6.5µW 92.3DB-DR Biopotential-Recording Front-End with 360MVPP Linear Input Range

Jun-Suk Bang;Hyuntak Jeon;Minkyu Je;Gyu-Hyeong Cho

Year: 2018 | Conference Paper |

Cited by: Papers (32)

HTML

6.5µW 92.3DB-DR Biopotential-Recording Front-End with 360MVPP Linear Input Range

Sung-Won Choi;Yeunhee Huh;Sang-Hui Park;Kye-Seok Yoon;Jun-Suk Bang;Se-Un Shin;Yong-Min Ju;Yujin Yang;Junghyuk Yoon;Changyong Ahn;Taekseung Kim;Sung-Wan Hong;Gyu-Hyeong Cho

Year: 2018 | Conference Paper |

A Quasi-Digital Ultra-Fast Capacitor-Less Low-Dropout Regulator Based on Comparator Control for x8 Current Spike of PCRAM Systems

Sung-Won Choi;Yeunhee Huh;Sang-Hui Park;Kye-Seok Yoon;Jun-Suk Bang;Se-Un Shin;Yong-Min Ju;Yujin Yang;Junghyuk Yoon;Changyong Ahn;Taekseung Kim;Sung-Wan Hong;Gyu-Hyeong Cho

Year: 2018 | Conference Paper |

Cited by: Papers (3) | Patents (1)

HTML

A Quasi-Digital Ultra-Fast Capacitor-Less Low-Dropout Regulator Based on Comparator Control for x8 Current Spike of PCRAM Systems

Min-Woo Kim;Dong-Kyu Kim;Tetsuhiro Kodani;Takashi Kanemura;Hui-Dong Gwon;Gyu-Hyeong Cho;Kwan-Young Han;Hyun-Sik Kim

Year: 2018 | Conference Paper |

Thermal-Variation Insensitive Force-Touch Sensing System Using Transparent Piezoelectric Thin-Film

IEEE Sensors Journal

Year: 2018 | Volume: 18, Issue: 14 | Journal Article |

Cited by: Papers (11)

HTML

Thermal-Variation Insensitive Force-Touch Sensing System Using Transparent Piezoelectric Thin-Film

Min-Woo Kim;Dong-Kyu Kim;Tetsuhiro Kodani;Takashi Kanemura;Hui-Dong Gwon;Gyu-Hyeong Cho;Kwan-Young Han;Hyun-Sik Kim

IEEE Sensors Journal

Year: 2018 | Volume: 18, Issue: 14 | Journal Article |

Switched inductor capacitor buck converter with >85% power efficiency in 100uA-to-300mA loads using a bang-bang zero-current detector

Jongbeom Baek;Ji-Hun Lee;Se-Un Shin;Min-yong Jung;Gyu-Hyeong Cho

2018 IEEE Custom Integrated Circuits Conference (CICC)

Year: 2018 | Conference Paper |

Cited by: Papers (5)

HTML

Switched inductor capacitor buck converter with >85% power efficiency in 100uA-to-300mA loads using a bang-bang zero-current detector

Jongbeom Baek;Ji-Hun Lee;Se-Un Shin;Min-yong Jung;Gyu-Hyeong Cho

2018 IEEE Custom Integrated Circuits Conference (CICC)

Year: 2018 | Conference Paper |

Dual Receiver Coils Wireless Power Transfer System With Interleaving Switching

Kye-Seok Yoon;Sang-Han Lee;In-Kui Cho;Ho-Jin Lee;Gyu-Hyeong Cho

Kye-Seok Yoon;Sang-Han Lee;In-Kui Cho;Ho-Jin Lee;Gyu-Hyeong Cho

Year: 2018 | Volume: 33, Issue: 12 | Journal Article |

Cited by: Papers (15)

HTML

Dual Receiver Coils Wireless Power Transfer System With Interleaving Switching