Xun Liu

33 papers C 2Journal 18Unranked 13
YearRankTypeTitle / Venue / Authors
2026 — conf
19.9 A 2.15W 120V/230Vac to 5-to-12Vdc Offline Power Converter with Full-Duty-Cycle Input-Series Dual-Branch Converter Achieving 1088mW/${\text{cm}}^{3}$ and 87.2% Peak Efficiency.
ISSCC
Gang Liu, Junmin Jiang, Sijun Du, Xun Liu
2026 J jnl
A Direct 24/48 V-to-1 V Dual-Phase Hybrid DC-DC Converter With V
IEEE Trans. Circuits Syst. I Regul. Pap.
Yinglyu Xiong, Xun Liu, Ka Nang Leung
2026 — conf
A RHP-Zero-Free Hybrid Step-Up Converter With 95.1% Peak Efficiency for Fast-Transient Applications.
ASP-DAC
Junyi Ruan, Junmin Jiang, Chenzhou Ding, Yanhui Wu, Ka Nang Leung, Xun Liu
2026 — conf
A Relaxation Oscillator with 2.93μJ/cycle Energy Efficiency and 0.068% Period Jitter.
ASP-DAC
Yongjuan Shi, Xun Liu, Chen Hu, Xiyuan Tang, Junmin Jiang
2026 J jnl
Steady-State and Small-Signal Analysis of High-Ratio Hybrid Buck Converters With Enhancement to State-Space-Averaging Methodology.
IEEE Trans. Circuits Syst. I Regul. Pap.
Muhammad Rizwan Khan, Xun Liu, Xin Zhang, Cheng Huang
2025 J jnl
A 1.48-fs FoM Analog Capacitorless-LDO With Cascade-Inverter-Based Pseudo-Power Transistor.
IEEE Solid State Circuits Lett.
Hing Tai Chen, Xun Liu, Ka Nang Leung
2025 — conf
A 6.87W 3.7-5V Input 12.6-24V Output Switched-Capacitor Sigma Converter with Multiple Voltage Domains.
CICC
Lingfeng Zhu, Chen Hu, Wing-Hung Ki, Xun Liu, Xiaosen Liu, Junmin Jiang
2025 J jnl
A Dual Slope Boosted Relaxation Oscillator With 2.93 μJ/Cycle Energy Efficiency and 0.068% Period Jitter in 180 nm CMOS.
IEEE Trans. Circuits Syst. I Regul. Pap.
Yongjuan Shi, Xun Liu, Chen Hu, Xiyuan Tang, Junmin Jiang
2025 J jnl
A High-Current-Efficiency Digital-Assisted Analog LDO With Dual-Biasing Mode for Near-Threshold Regulation.
IEEE J. Solid State Circuits
Yajun Lin, Hing Tai Chen, Xun Liu, Ka Nang Leung
2025 J jnl
A Hybrid Buck-or-Boost Converter for Fast-Transient and Wide-Voltage-Range Applications With Continuous Output Delivery Current.
IEEE J. Solid State Circuits
Junyi Ruan, Junmin Jiang, Chenzhou Ding, Kai Yuan, Ka Nang Leung, Zhiyuan Chen, Xiaoyang Zeng, Xun Liu
2025 J jnl
A Single-Stage Four-Phase Hybrid Boost Converter With 11-to-20 VCRs for LiDAR Driver Applications.
IEEE Trans. Circuits Syst. I Regul. Pap.
Chen Hu, Weiye Song, Sijun Du, Xun Liu, Junmin Jiang
2025 C conf
Analysis and Modeling of Hybrid Boost Converter With Always Reduced Inductor Current and Continuous Output-Current Delivery.
ISCAS
Yinglyu Xiong, Zehao Tao, Miaomiao Chen, Xun Liu, Ka Nang Leung
2025 J jnl
Design and Verification of Low Parasitic MOS Capacitors With Series Connected Tri-Well Junctions.
IEEE Solid State Circuits Lett.
Zhendong Li, Yongjuan Shi, Yifan Jiang, Chen Hu, Junting Chen, Mengyuan Hua, Xun Liu, Junmin Jiang
2025 J jnl
Enhancing Efficiency in Piezoelectric Energy Harvesting: Collaborative-Flip Synchronized Switch Harvesting on Capacitors Rectifier and Multioutput DC-DC Converters Utilizing Shared Capacitors.
IEEE J. Solid State Circuits
Jing Wang, Yi Yang, Zhen Li, Sijun Du, Xinling Yue, Xun Liu, Jun Han, Xiaoyang Zeng, Zhiyuan Chen
2024 — conf
31.7 A 3.6W 16V-Output 180ns-Response-Time 94%-Efficiency SC Sigma Converter with Output Impedance Compensation and Ripple Mitigation for LiDAR Driver Applications.
ISSCC
Chen Hu, Xinran Huang, Xun Liu, Sijun Du, Xiaosen Liu, Junmin Jiang
2024 — conf
31.9 An 85-264Vac to 3-4.2Vdc 1.05W Capacitive Power Converter with Idle Power Reduction and 4-Phase 1/10X SC Converter Achieving 5.11mW Quiescent Power and 78.2% Peak Efficiency.
ISSCC
Gang Liu, Han Wu, Chen Hu, Cheng Huang, Xun Liu, Junmin Jiang
2024 J jnl
A 2.8 μs Response Time 95.1% Efficiency Hybrid Boost Converter With RHP Zero Elimination for Fast-Transient Applications.
IEEE J. Solid State Circuits
Junyi Ruan, Junmin Jiang, Chenzhou Ding, Yunxiao Li, Yanhui Wu, Ka Nang Leung, Xun Liu
2024 — conf
A 4-Phase Integrated Voltage Regulator with In-Package Inductors Achieving 89.0% Peak Efficiency and 65% Droop Improvement for 6A/2ns Transient.
A-SSCC
Kai Yuan, Chenzhou Ding, Junmin Jiang, Tiantian Tang, Junyi Ruan, Yelei Xie, Faen Liu, Shuguo Jiang, Tao Liu, Ka Nang Leung, Xun Liu
2024 — conf
A Li-ion-Battery-Input 1-to-6V-Output Bootstrap-Free Hybrid Buck-or-Boost Converter Without RHP Zero Achieving 97.3% Peak Efficiency 6μs Recovery Time and 1.13μs/V DVS Rate.
ISSCC
Junyi Ruan, Junmin Jiang, Chenzhou Ding, Kai Yuan, Ka Nang Leung, Xun Liu
2024 — conf
Methods of Reducing the Intrinsic Loss for Continuously-Scalable-Conversion-Ratio SC Converters.
APCCAS
Yongjuan Shi, Chen Hu, Xiaosen Liu, Xun Liu, Junmin Jiang
2023 J jnl
A Battery to 70-V Hybrid Boost Converter Achieving 14-to-20 VCR for Piezoelectric Actuators.
IEEE Trans. Circuits Syst. II Express Briefs
Yifan Jiang, Chen Hu, Han Wu, Yan Lu, Xun Liu, Junmin Jiang
2023 J jnl
A Fully-Integrated Micro-Display System With Hybrid Voltage Regulator.
IEEE J. Emerg. Sel. Topics Circuits Syst.
Junmin Jiang, Xu Zhang, Xun Liu, Zhaojun Liu, Liusheng Sun, Shing Hin Yuen, Wing Cheung Chong, Wing-Hung Ki, C. Patrick Yue, Kei May Lau
2022 J jnl
Design Techniques for High-Efficiency Envelope-Tracking Supply Modulator for 5th Generation Communication.
IEEE Trans. Circuits Syst. II Express Briefs
Xun Liu, Junmin Jiang, Cheng Huang, Philip K. T. Mok
2022 J jnl
Loop Analysis and Stability Considerations of Hybrid PA Supply Modulators.
IEEE Trans. Circuits Syst. II Express Briefs
Xun Liu, Junmin Jiang, Cheng Huang, Philip K. T. Mok
2021 J jnl
Circuit Techniques for High Efficiency Fully-Integrated Switched-Capacitor Converters.
IEEE Trans. Circuits Syst. II Express Briefs
Junmin Jiang, Xun Liu, Wing-Hung Ki, Philip K. T. Mok, Yan Lu
2019 J jnl
A Multi-Loop-Controlled AC-Coupling Supply Modulator With a Mode-Switching CMOS PA in an EER System With Envelope Shaping.
IEEE J. Solid State Circuits
Xun Liu, Heng Zhang, Philip K. T. Mok, Howard C. Luong
2018 J jnl
A High-Frequency Three-Level Buck Converter With Real-Time Calibration and Wide Output Range for Fast-DVS.
IEEE J. Solid State Circuits
Xun Liu, Cheng Huang, Philip K. T. Mok
2018 — conf
A dual-output SC converter with dynamic power allocation for multicore application processors.
ASP-DAC
Junmin Jiang, Yan Lu, Xun Liu, Wing-Hung Ki, Philip K. T. Mok, Seng-Pan U, Rui Paulo Martins
2017 — conf
2.4 A 2.4V 23.9dBm 35.7%-PAE -32.1dBc-ACLR LTE-20MHz envelope-shaping-and-tracking system with a multiloop-controlled AC-coupling supply modulator and a mode-switching PA.
ISSCC
Xun Liu, Heng Zhang, Min Zhao, Xuan Chen, Philip K. T. Mok, Howard C. Luong
2016 — conf
A 50MHz 5V 3W 90% efficiency 3-level buck converter with real-time calibration and wide output range for fast-DVS in 65nm CMOS.
VLSI Circuits
Xun Liu, Cheng Huang, Philip K. T. Mok
2016 J jnl
Analysis and Design Considerations of Integrated 3-Level Buck Converters.
IEEE Trans. Circuits Syst. I Regul. Pap.
Xun Liu, Philip K. T. Mok, Junmin Jiang, Wing-Hung Ki
2016 — conf
Methods for measuring loop-gain function of high-frequency DC-DC converters.
APCCAS
Xun Liu, Junmin Jiang, Philip K. T. Mok, Wing-Hung Ki
2015 C conf
Dynamic performance analysis of 3-level integrated buck converters.
ISCAS
Xun Liu, Cheng Huang, Philip K. T. Mok