Tang Xian

Aug. 2008 - Aug. 2013, Ph.D. in Electronic Engineering, Chinese University of Hong Kong, Hong Kong, China

May. 2011 – Aug. 2011, Visiting Student in ECE, University of Toronto, Toronto, Canada

Sep. 2003 – Aug. 2007, Bachelor in Electronic Science and Technology, Huazhong University of Science and Technology, Wuhan, China

Dec. 2018 - present, Associate Professor, Tsinghua Shenzhen International Graduate School, Tsinghua University, China

Nov. 2013 – Dec. 2018, Assistant Professor, Shenzhen Graduate School, Tsinghua University, China

Senior member of IEEE;

1.    <IC design and methodology>, postgraduate course

-  The teaching evaluation was top 5% in Tsinghua University in both 2014 and 2015

-  This course was evaluated as top-5% course among all courses in Tsinghua University in 2015

-  This online course was evaluated as National Outstanding Online Course in 2019

2.    < Power Management Integrated Circuits>, postgraduate course

3.    <Big Data Analysis>,  postgraduate course, hardware part

Dr. Tang’s research area focuses on energy-efficient analog and integrated circuits (IC) design. She has published about 40 papers, including the top journals and conferences in IC area, such as IEEE TPEL, IEEE JBHI, IEEE TCAS I, ISSCC-SPR, ASSCC, and so on. Dr. Tang has been in charge of multiple projects, including National, Guangdong and Shenzhen’s key research topics.

• 2017-2021, Principal Investigator of sub-project, National key research and development plan (2017YFB0406200): Study on the preparation and performance regulation of high-power density electronic device substrate materials.

• 2016-2018, Principal Investigator, NSFC Project (61504074): Research on ultra-low-power CMOS temperature sensing chip for Internet of Things applications.

• 2018-2021, Co-Principal Investigator, Shenzhen Key project of Fundamental Research: Research on high-density power management chip systems and key modules for 5G mobile devices.

• 2019-2021, Principal Investigator, Tsinghua University Shenzhen Graduate School overseas research cooperation foundation: Research on chips and system design of wireless power transfer with multiple output.

• 2018-2020, Principal Investigator, Shenzhen Fundamental Research Project: Research on wireless energy and data synchronization transmission system.

• 2018-2020, Principal Investigator, Shenzhen international cooperation project foundation: Research on megahertz wireless charging systems and chips.

• 2016-2018, Principal Investigator, Shenzhen peacock research foundation, Research on high efficiency and robust wireless charging system and chip.

• 2015-2017, Principal Investigator, Shenzhen Fundamental Research Project: low power CMOS temperature sensing chip.

[1]Y. Zhang, J. Ma, and X. Tang, “A CMOS Active Rectifier with Efficiency-Improving and Digitally Adaptive Delay Compensation for Wireless Power Transfer Systems”, Energies, 14(23), 8089, 2021.

[2]E. Shi, X. Tang, and K. P. Pun, “A 270nW Switched-Capacitor Acoustic Feature Extractor for Always-On Voice Activity Detection”, IEEE Trans. on Circuits and Systems I：Regular Papers, vol. 68, no. 3, pp. 1045-1054, March, 2021.

[3]K. Peng, X. Tang, S. Mai, and Z. Wang, “A Simultaneous Power and Downlink Data Transfer System with Pulse Phase Modulation”, IEEE Trans. on Circuits and Systems II: Express Briefs, vol. 66, no. 5, pp. 808-812, May, 2019.

[4]X. Tang, J. Zeng, K. P. Pun, S. Mai, C. Zhang, and Z. Wang, “Low-cost Maximum Efficiency Tracking Method for Wireless Power Transfer Systems”, IEEE Trans. on Power Electronics, vol. 33, no. 6, pp. 5317-5329, 2018.

[5]Z. Fu, X. Tang, and K. P. Pun, “Use DAS algorithm to break through the device limitations of switched-capacitor-based DAC in an ADC consisting of pipelined SAR and TDC”, Solid-State Electronics, vol. 138, pp. 119-125, 2017.

[6]X. Tang, J. Zeng, Y. Zheng, K. N. Leung, and Z. Wang, “Limit-cycle oscillation reduction in high-efficiency wireless power receiver”, Electronics Letters, vol. 53, no. 16, pp. 1152-1154, 2017.

[7]M. Ho, J. Guo, K., W. L. Goh, S. Bu, Y. Zheng, X. Tang, and K. N. Leung, “A CMOS Low-Dropout Regulator With Dominant-Pole Substitution”, IEEE Trans. on Power Electronics, vol. 31, no. 9, pp. 6362-6371,2016.

[8]H. Wang, X. Tang, C. S. Choy, and G. Sobelman, Cascaded Network Body Channel Model for Intra-Body Communication, IEEE Journal of Biomedical and Health Informatics, vol. 26, no. 4, pp. 1044-1052, 2016.

[9]H. Wang, X. Tang, C. S. Choy, K. N. Leung, and K. P. Pun, A 5.4-mW 180-cm Transmission Distance 2.5-Mb/s Advanced Techniques-Based Novel Intrabody Communication Receiver Analog Front End, IEEE Transactions on very large scale integration(VLSI) systems, vol. 23, no.12, pp.2829-2841, 2015.

[10]X. Tang, W. T. Ng and K. P. Pun, A resistor-based sub-1V CMOS smart temperature sensor for VLSI thermal management, IEEE Transactions on very large scale integration(VLSI) systems, vol.23, no.9, pp.1651-1660, 2015.

Selected conferences:

[1]H. Cai, Y. Zhao, and X. Tang, “A Wireless Power Transfer System with Regulated Receiver Based on LCC-S Compensation and Global Control”, in IEEE International Symposium on Circuits and Systems (ISCAS), 2022.

[2]M. Zhang, Y. Zhang, and X. Tang, “A Robust and Efficiency-Improving Design for Single-Stage Multiple-Output Receiver of Wireless Power Transfer System”, in IEEE International Conference on Integrated Circuits, Technologies and Applications (ICTA), 2021.

[3]B. Sun, J. Wei, and X. Tang, “The Optimization of Object Detection and Localization in Complex Background for Vision-based Robot”, in IEEE International Conference on Integrated Circuits, Technologies and Applications(ICTA), 2020.

[4]M. Zhang, X. Tang, and W. Ng, “A high-efficiency WPT system with dual-output and enhanced coupling efficiency”, in IEEE International Conference on Solid-State and Integrated Circuit Technology (ICSICT), 2020.

[5]K. Peng, X. Tang, and Z. Wang, “A Simultaneous Wireless Power and Uplink Data Transfer System with Ultra-Low Crosstalk between the Power and Data Link”, in IEEE International Conference on Integrated Circuits, Technologies and Applications (ICTA), 2020.

[6]Y. Zhao, X. Tang, Z. Wang and W. Ng, “An Inductive Power Transfer System With Adjustable Compensation Network For Implantable Medical Devices”, in IEEE Asia Pacific Conference on Circuits and Systems (APCCAS), 2019.

[7]G. Zhu, S. Mai, X. Tang, and Z. Wang, “Simplified reconfigurable rectifier with consistent input capacitance for wireless power transfer”, in IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), 2018.

[8]G. Zhu, S. Mai, X. Tang, and Z. Wang, “Enhancement Method of Efficiency and Working Range in Bio-Implant Wireless Power Transfer”, in IEEE MTT-S Wireless Power Transfer Conference (WPTC), 2018.

[9]G. Zhu, S. Mai, X. Tang, C. Zhang, Z. Wang, and H. Chen, “An Energy-Efficient High-Frequency Neuro-Stimulator with Parallel Pulse Generators, Staggered Output and Extended Average Current Range”, in IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1030-1033, 2018.

[10]D. Li, X. Tang, Z. Fu, J. Wang, B. Debajit, and K. P. Pun, “An 11b 40MS/s charge pump and comparator based pipelined ADC with variable reset voltages”, in IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), pp. 383-386, 2016.

Presentation:

[1]X. Tang, W. T. Ng and K. P. Pun, Compact temperature sensor based on resistor and charge-pump, in IEEE International Solid-State Circuits Conference (ISSCC) Student Research Preview, San Francisco, California, USA, Feb.19, 2012.

2019, Tsinghua University Young Teacher Teaching Excellence Award

2019, National Excellent Online Course of the Ministry of Education

2019, Teaching Star of the Online Education Center of the Ministry of Education

2016, The Second Prize of the Seventh Young Teacher Teaching Contest in Tsinghua University

2012, IEEE Solid-State Circuits Society ISSCC Student Travel Grant Award