In our Lab, we conducts advanced research in analog and mixed-signal integrated circuit (IC) design for next-generation electronic systems. Our focus spans across multiple domains, from power conversion and wireless energy systems to sensor interfaces and hardware security.

Our main research areas include:

• Power Conversion IC (Charger & PMIC): Development of high-efficiency power conversion circuits tailored to the power demands of a wide range of electronic applications.

• Wireless Power Transfer & Energy Harvesting: Coil-based wireless power transmission and energy extraction from various environmental sources to enable battery-less systems.

• Sensor Readout IC: Amplification and processing of small output signals from automotive and biomedical sensors with high reliability.

• Envelope Tracking: High-speed power supply circuits for advanced wireless communication systems such as 5G.

• Stimulator: Design of implantable stimulation circuits for bioelectronic applications.

• Security Enhancing Circuits: Analog circuit techniques to protect against power side-channel attacks and secure data from leakage.
  
  

We are currently hiring highly motivated graduate students with the strong background in Electronic Engineering. 

If you are interested, please email your resume to Professor Sung-Wan Hong. (swhong@sogang.ac.kr)

•    [2025 July] "Congratulation" Hyeon-Ji Choi has been accepted in IEEE Solid-State Circuits Letters (SSC-L). The title of the paper: A 0-to-10uF Off-chip Output Capacitor-Scalable Boost Converter Achieving 96.68% Peak Efficiency

•    [2025 July] "Congradtulation" Young-Ju Oh has been accepted in IEEE Transacitons on Circuits and Systems II (TCAS-II). The titele of the paper : A 91.7% Peak-Efficiency 48V-to-1V Pseudo Two- Stage Two-Phase Hybrid Buck Converter.

•    [2025 Jun] "Congratulation" Won-Gyu Kim has been accepted in IEEE Transactions on Circuits and Systems II (TCAS-II). The title of the paper: A 1.8V-5.5V LDO-BGR System with LACM Buffer for High PSRR in Camera Applications.

•    [2025 May] "Congratulation" Chan-Ho Lee has been accepted in IEEE Transactions on Power Electronics (TPEL). The title of the paper: A Scalable N-level Dickson Charge Pump Based 12V to 1-1.8V Hybrid Buck Converter.

•    [2025 May] "Congratulation" Hyo-Jin Park has been accepted in IEEE Transactions on Power Electronics (TPEL). The title of the paper: Achieving Wide Voltage-Conversion-Ratio and Reduced Power Losses for High Efficiency with EVCR Buck Converter for a 1.8 V Power Rail 

•    [2025 Mar] "Congratulation" Sang-Yun Nam has been accepted in IEEE Symposium on VLSI Circuits (VLSI) 2025. The title of the paper: A 0.087 fs FOM Current-mirror-based Analog-assisted Digital LDO with VO Ripple Optimization

•    [2025 Mar] "Congratulation" Joo-Mi Cho has been accepted in IEEE Symposium on VLSI Circuits (VLSI) 2025. The title of the paper: 2,771% Power Improvement Triple-source Ground-symmetric Pile-up Resonant Energy Harvester

•    [2025 Mar] "Congratulation" Hyun-Woo Jeong has been accepted in IEEE Symposium on VLSI Circuits (VLSI) 2025. The title of the paper: A Gm-Boosted 3-stage Amplifier with Gain-Enhancing Feedforward Path for CL of 40-160nF

•    [2025 Mar] "Congratulation" Young-Ju Oh has been accepted in IEEE Solid-State Circuits Letters (SSC-L). The title of the paper: A Compact Single-Stage Input and Output Rail-to-Rail Class AB Buffer Amplifier with an Asymmetric Output Structure

•    [2024 Oct] "Congratulation" Chan-Ho Lee has been accepted in IEEE Transactions on Circuits and Systems II (TCAS-II). The title of the paper: A 12V Input 0.3V-to-0.6V Output Imbalanced Inductor-Currents Converter that Achieves a Peak Efficiency of 90.7%

•    [2024 Oct] "Congratulation" Jeong-Hun Kim has been accepted in IEEE International Solid-state Circuits Conference (ISSCC) 2025 The title of the paper: A 2A Fully Analog Distribution LDO with Noise Immunity for a SoC

•    [2024 Oct]  "Congratulation" Young-Jun Jeon has been accepted in IEEE International Solid-state Circuits Conference (ISSCC) 2025 The title of the paper: A Sub-1V, 50mV Dropout LDO using Pseudo-Impedance Buffer with Phase-Margin Improvement Design

•    [2024 Sep]  "Congratulation" Ho-Chan Ahn has been accepted at IEEE Transactions on Circuits and Systems I (TCAS-I). The title of paper: A 2 A Dual Loop LDO with Dynamic Negative Feedback Loop and Gm Boosting Error Amplifier for Off-Chip and Cap-less Applications

•    [2024 Jul] "Congratulation" Young-Ju Oh has been accepted at IEEE Transactions on Industrial Electronics (TIE). The title of paper: A Robust High On-duty Buck Converter Achieving a Peak Effective On-Duty of 0.976 with EMI Suppression

•    [2024 Jun]  "Congratulation" Young-Jun Jeon has been accepted at IEEE Transactions on Power Electronics (TPEL). The title of paper: A 600mA Multi-Feedback Loops Capacitor-less Low-dropout Regulator with a -40dB Power Supply Rejection at 1MHz with 27.5μA Quiescent Current Consumption