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. S. Li, Y. Zhang, X. Wang, X. Tang, and K. P. Pun, “A 77.7 dB-SNDR 625 kHz-BW First-order Noise-Shaping SAR ADC Using a Novel VCO-based Charge-Accumulation Integrator”, IEEE Trans. on Circuits and Systems I：Regular Papers, early access, TCSI.2025.3533542.

2. S. Ding, T. Xu, Y. Zhang, and X. Tang, “A 74.3 dB SNDR 3^rd-order VCO-Based DSM with built-in Passive Low-Pass Filter in 65nm CMOS”, IEEE Trans. on Circuits and Systems II: Express Briefs, early access, TCSII.2025.3533698.

3. C. Tang, Y. Zhang, Y. Zheng, and X. Tang, “A Single-Inductor Multiple-Output DC-DC Converter with 2.8 V-5 V Battery Voltage Supply for SoC Application in 22 nm CMOS technology”, International Journal of Circuit Theory and Applications, pp. 1-14, 2024.

4. S. Yuan, H. Xuan, H. Feng, and X. Tang, “Scalable, Low-power and High-performance Active-RC Complex Band-Pass/Low-Pass Filter with Automatic Frequency Tuning Applied to the Internet of Things”, Microelectronics Journal, 153 (2024) 106430, 2024.

5. M. Wan, Y. Zhang, X. Tang, “An energy-efficient 16MS/s 10-bit SAR ADC with MSB-block switching scheme”, Microelectronics Journal, 153 (2024) 106369, 2024.

6. Y. Zhang, C. Tang, Y. Zheng, X. Tang, and K. N. Leung, “An Adaptive Zero-Current Detector for Single-Inductor Multiple-Output DC–DC Converter with Full-Wave Current Sensor”, IEEE Trans. On Very Large Scale Integration(VLSI) Systems, vol. 32, no. 9, pp. 1764-1768, 2024.

7. L. Yi, J. Wei, X. Zhao, and X. Tang, “A power-efficient CMOS image sensor with current-mode 1-bit log-gradient feature extractor for always-on object detection”, Microelectronics Journal, 150 (2024) 106287, 2024.

8. L. Yi, S. Yu, C. Tang, and X. Tang, “A 10-30 MHz Voltage-Mode Buck Converter with Linear Comparator-Free V2D controller”, IEEE Trans. on Circuits and Systems II: Express Briefs, vol. 71, no. 7, pp. 3278-3282, 2024. 

9. S. Yuan, Z. Li, S. Yu, F. Yin, and X. Tang, “A 28.9–38.8 μW dual-mode 10-bit Column Parallel Single-Slope ADC with Minimum Voltage Feedback for CMOS Image Sensors”, Microelectronics Journal, 145 (2024) 106099, 2024.

10. S. Zhang, F. Su, Y. Wang, S. Mai, K. P. Pun, and X. Tang, “A Low-power Keyword Spotting System With High-Order Passive Switched-Capacitor Bandpass Filters for Analog-MFCC Feature Extraction”, IEEE Trans. on Circuits and Systems I：Regular Papers, vol. 70, no.11, pp. 4235-4248, Nov., 2023.

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