Sept 2026publication
[C5] 256–316 GHz frequency quadrupler accepted by ESSERC 2026
W. Wu, …, X. Wang, et al., “A 256-316-GHz Frequency Quadrupler…,” ESSERC 2026 (Accepted as Lecture).
Full Timeline
All entries from the CV: 29 publications · 4 research interests · 7 career/education milestones.
29 Publications4 Research interests7 Milestones
Sept 2026publication
[C4] All-digital current-mode IVR accepted by ESSERC 2026
X. Men, R. Chen, …, X. Wang, et al., “A 280 MHz All-Digital Current-Mode IVR…,” ESSERC 2026 (Accepted as Lecture).
Sept 2026publication
[C3] Autonomous current-booster chiplet accepted by ESSERC 2026
R. Chen, X. Men, …, X. Wang, et al., “An Autonomous Computational Current-Booster Chiplet for Fast Droop Mitigation…,” ESSERC 2026 (Accepted as Lecture).
Sept 2026publication
[C2] Resonant-tank VPD converter accepted by IEEE ESSERC 2026 (Lecture)
X. Wang et al., “A 96.6%-Peak-Efficiency 4.63-A/mm³ Resonant-Tank Converter with RDL Trace Inductor and Trajectory Control for Vertical Power Delivery,” ESSERC 2026 (Accepted as Lecture).
Sept 2026publication
[C1] Mobius accepted by IEEE ESSERC 2026 (Lecture)
X. Wang et al., “Mobius: A 12V-to-1V Charge-Cross-Converging Converter Ring with Monolithic Handshake Driving for Next-Generation AI Server,” ESSERC 2026 (Accepted as Lecture).
Aug 2026publication
[J3] First-author paper published in IEEE JSSC (Early Access)
X. Wang et al., “A 6-A 93.8%-Peak-Efficiency 5V-to-Sub-1V Segment-Interlaced SC-Parallel-Inductor Converter Featuring Inherently Balanced Ganging for Wafer-Scale Computing System,” IEEE JSSC (Early Access), Aug. 2026.
Jul 2026service
Session Chair — IEEE COMPEL 2026
Serving as Session Chair at the IEEE Workshop on Control and Modeling for Power Electronics (COMPEL) 2026.
Jul 2026publication
[C7] Hybrid SC algebraic synthesis accepted by IEEE COMPEL 2026 (Poster)
X. Wang et al., “Algebraic Synthesis for A Family of Inherently Balanced Multi-Phase Hybrid Switched-Capacitor Converters…,” COMPEL 2026 (Accepted as Poster).
Jul 2026publication
[J2] First-author paper published in IEEE JSSC (Early Access)
X. Wang et al., “A 0.73 A/mm³ Switched-Capacitor-Stack-Inductor Volumetric Integrated Voltage Regulator with Auxiliary-Assisted Gain Boosting for High-Density PoL Applications,” IEEE JSSC (Early Access), Jul. 2026.
Jul 2026publication
[C6] GaN buck state-plane analysis accepted by IEEE COMPEL 2026 (Lecture)
X. Wang et al., “Geometrical State-Plane Analysis of GaN-Based Buck Converters with Auxiliary-Assisted Zero-Voltage Switching,” COMPEL 2026 (Accepted as Lecture).
2026service
Journal Reviewer — IEEE TPEL
Serving as reviewer for IEEE Transactions on Power Electronics (TPEL).
May 2026publication
[C15] Triple-path resonant-tracked VR at IEEE ISPSD 2026
R. Chen, …, X. Wang, et al., “A Triple-Path Resonant-Tracked Voltage Regulator with Package Inductor for System-on-Wafer Vertical Power Delivery,” ISPSD 2026.
Apr 2026publication
[C9] Self-powered isolated gate driver at IEEE CICC 2026
Y. Liu, …, X. Wang, et al., “A 200kHz Self-Powered Isolated Gate Driver for SiC and IGBT…,” CICC 2026.
Apr 2026publication
[C8] Unicorn unified clock-and-power SoC at IEEE CICC 2026
X. Wang et al., “Unicorn: A Unified Clock-and-Power SoC with RL-Adapted Digital SIMO Control and In-TRO Frequency Boosting for Edge Computing,” CICC 2026.
Mar 2026publication
[C14] 1295W/in³ 160A quad-phase VPD module at IEEE APEC 2026
H. Wang, …, X. Wang, et al., “A 1295W/in³ 160A Quad-Phase VPD Module with Flexible Ganging…,” APEC 2026.
Mar 2026publication
[C13] CTR modeling for HPC PDNs at IEEE APEC 2026
H. Wang, …, X. Wang, et al., “Current–Temperature–Resistance Modeling and Conversion Loss Sharing Methodology…,” APEC 2026.
Mar 2026publication
[C12] 100A regulated resonant SC converter at IEEE APEC 2026
H. Wang, …, X. Wang, et al., “A 30-60V Input 6V Output Regulated Resonant SC Converter… Achieving 100A and 1339W/in³,” APEC 2026.
Mar 2026publication
[C11] Multi-resonant cascaded SC converter at IEEE APEC 2026
X. Wang et al., “A Multi-Resonant Cascaded Series-Parallel Switched-Capacitor Converter Featuring Continuously Scalable Conversion Ratio,” APEC 2026, pp. 2097–2103.
Mar 2026publication
[C10] X-ReLA ReSC (98.2% peak efficiency) at IEEE APEC 2026
X. Wang et al., “X-ReLA: a Family of Stacked-Ladder Charge-Cross-Converging ReSC with 98.2% Peak Efficiency…,” APEC 2026, pp. 3314–3320.
2023–2026research
Research focus — Integrated Power Management for Advanced Computing
Vertical Power Delivery (VPD) for 2.5D/3D integration; high-density Intermediate Bus Converters (IBC) and PoL regulators; flip-chip PMIC & SiP for AI accelerators and data centers; package-integrated multiphase IVRs.
2023–2026research
Research focus — High-Efficiency Power Conversion & Intelligent Control
Hybrid/Resonant SC converters and trajectory-based soft switching; Digital Control, MPC, and RL for transient/efficiency optimization; SIMO converters with advanced cross-regulation suppression.
2018–2026research
Research focus — Clocking–Power Co-Design & DVFS
Instruction-driven adaptive clocking; DVFS and MEP tracking for ULP systems; DLDOs and unified voltage-and-frequency regulators (UVFRs).
Oct 2025publication
[C21] Discontinuously resonant SC converter at IEEE APCCAS 2025
H. Zhang, …, X. Wang, et al., “A Discontinuously Resonant Operation for Continuously-Scalable-Conversion-Ratio Switched Capacitor Converter…,” APCCAS 2025.
2023–2026research
Research focus — Interdisciplinary & Emerging Technologies
Power Side-Channel Attack mitigation at circuit level; voltage-stacked power delivery; piezoelectric-resonator-based DCDC; power-timing coordination for In-Memory Computing (IMC).
Jun 2025publication
[C22] Capacitorless synthesizable DLDO at IEEE EDSSC 2025
Y. Wang, X. Wang, et al., “A Capacitorless Fully Synthesizable Digital-LDO…,” EDSSC 2025.
Jun 2025publication
[C16] 10W IVR chiplet at IEEE VLSI Symposium 2025
X. Sun, X. Wang, et al., “A 10W 3.8-5V Input IVR Chiplet with 93%-Peak-Efficiency and 3.2A/mm² Density…,” VLSI Technology and Circuits 2025.
Apr 2025publication
[C17] E-NPU event-driven neural SoC at IEEE CICC 2025
F. Tian, …, X. Wang, et al., “E-NPU: A 34~126nJ/Class Event-Driven Adaptive Neural SoC…,” CICC 2025.
Mar 2025publication
[C20] Multiphysics coupling model at IEEE APEC 2025
H. Wang, X. Wang, Y. Wang, and X. Liu, “Evaluation Index-Based Multiphysics Coupling Model…,” APEC 2025.
Mar 2025publication
[C19] 660W 3D digital DC/DC module at IEEE APEC 2025
H. Wang, X. Wang, Y. Wang, and X. Liu, “A 660W, 96% Efficiency 3D Heterogeneously Integrated Digital DC/DC Power Module…,” APEC 2025.
Mar 2025publication
[C18] Time-optimal SIDO control at IEEE APEC 2025
X. Wang et al., “Concurrent Charge Distribution and Time-Optimal Control for Unordered Single-Inductor Dual-Output Converter,” APEC 2025, pp. 2675–2680.
Apr 2024publication
[C23] FC5L voltage regulator at IEEE CICC 2024
X. Sun, J. Yu, X. Wang, et al., “A 92%-Efficiency 0.828μs Settling Time FC5L Voltage Regulator…,” CICC 2024.
Nov 2023publication
[J1] UVFR paper published in IEEE TCAS-I
X. Wang, X. Liu, and W.-H. Ki, “A Self-Clocked and Variation-Tolerant Unified Voltage-and-Frequency Regulator for In-Order Executed Digital Loads,” IEEE TCAS-I, vol. 70, no. 11, pp. 4627–4640, Nov. 2023.
2023milestone
Joined Tsinghua University as Post-Doctoral Fellow & Assistant Research Fellow
School of Integrated Circuits, Tsinghua University. Awards: Beijing Municipal NSF Youth Fund (Grant No. 4244106, 2023–2025); National Program for Recruiting Overseas Postdoctoral Talent (2023–2026); Shuimu Tsinghua Scholarship (2023–2026).
2023–2026milestone
Shuimu Tsinghua Scholarship & Overseas Postdoctoral Talent Program
Shuimu Tsinghua Scholarship (Global Recruitment) and National Program for Recruiting Overseas Postdoctoral Talent (2023–2026).
Nov 2022publication
[C26] Clock-domain-crossing DLDO controller at IEEE APCCAS 2022
X. Wang and W.-H. Ki, “A 65-nm Clock-Domain-Crossing Controller for Digital LDO Regulator with 1.7-ns Response Time,” APCCAS 2022.
Nov 2022publication
[C24] Self-clocked TDC UVFR at IEEE A-SSCC 2022
X. Wang, W.-H. Ki, and P. K. T. Mok, “A Self-Clocked TDC-Based Unified Clock and Voltage Regulator…,” A-SSCC 2022.
Jun 2022publication
[C25] Distributed DLDO partitioning at IEEE ISCAS 2022
X. Wang and W.-H. Ki, “Partitioning Scheme and Performance Analysis of Distributed Digital Low-Dropout Regulators in SoC,” ISCAS 2022.