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Hanh-Phuc Le

PhD Candidate

Berkeley Wireless Research Center
Department of Electrical Engineering & Computer Science
University of California, Berkeley

 

My Resume

Experiences

Publications

Reports

Link of Interests

 

 

Email

:

phucle

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eecs. berkeley.edu

Office

:

550 Cory Hall

 

 

 

 

 

 

 

 

Next event on  05/10/2013

My dissertation talk

(Webex live broadcast info)

 

 

My interests are on-die power conversions, power integrity, smart power ICs, and analog circuits for applications in power electronics and telecommunications.

My advisors are Professor Seth R. Sanders and Professor Elad Alon.

I got my B.S. Degree and M.S. Degree in Electrical Engineering from Hanoi University of Technology, Vietnam and KAIST, Korea, respectively.

I enjoyed working experiences with Institute of Material Science (IMS), VAST, Vietnam, JDA Technology Company, Korea, and the circuit and power groups in Sun Microsystems, AMD and Intel lab, as well as previous projects with LG Electronics and KEC of Korea.

Current projects

09/2007 ~ now, in UCB

  • Integrated DC-DC conversion
  • ECoG Brain Machine Interface
  • BAG Power
  • Sustainable energy for implantable devices
  • Resilient Microprocessor

Experiences

05/2009 ~ 07/2009, Intel, Beaverton, OR, USA

– Integrated Switch-capacitor Voltage Regulator (SCVR)

  • Output impedance characterization and improvement

 

05/2008 ~ 08/2008, in Sun Microsystems, Santa Clara, USA

– Power integrity for high-performance microprocessors

  • High-speed Close-Loop Supply Noise Detection and Control Circuit
  • Power Supply Grid Modeling and Analysis

 

09/2004 ~ 04/2007, in KAIST and JDA Technology, Korea

– Power supply for AM-OLED LCDs

  • Single Inductor Multiple Output (SIMO) DC-DC Converter chip with 5 Outputs and Ordered Power-Distributive Control (OPDC) method
  • Single-Inductor Bipolar-Output (SIBO) DC-DC Converter chip with 1 positive output (4.6V à 6.5V) and 1 negative output (-6.4V à -8V)

 

10/2002 ~ 06/2004, in IMS, VAST, Vietnam

  • Prototype for research in material science:

o   DC Power Supply series: 2 modes – manual (0 - 30V/2A and 0 – 60V / 250mA) and programmable (0-10V precisely and 0 – 60V), w/ current limiter

o   Giant Magneto Impedance (GMI) Measurement System, applied in HUT

o   Gauss Meter series (0 – 100mT, 0 – 2T)

o   Data Acquisition System (DAS) – my Bachelor’s Thesis

o   Switching power supply (AC–DC and DC–DC Converter)

Publications

Fully Integrated Switched-Capacitor (SC) DC-DC Converter

1.     Seth Sanders, Elad Alon, Hanh-Phuc Le, Michael Seeman, Mervin John, Vincent Ng, ‘The Road to Fully Integrated DC-DC Conversion via the Switched-Capacitor Approach’, Power Electronics, IEEE Transaction on, pp. 4146 - 4155, Vol. 28, Iss. 9, Sept. 2013.

2.     Hanh-Phuc Le, John Crossley, Seth Sanders and Elad Alon, ‘A Sub-ns Response Fully-Integrated Battery-Connected Switched-Capacitor Voltage Regulator Delivering 0.19W/mm2 at 73% Efficiency’, ISSCC Dig. Tech. Papers, Feb. 2013.

3.     Hanh-Phuc Le, Seth Sanders and Elad Alon, ‘Design Techniques for Fully Integrated Switched-Capacitor DC-DC Converters’, JSSC, pp. 2120 - 2131, Vol. 46, Iss. 9, Sep. 2011.

4.     Michael Seeman, Vincent W Ng, Hanh-Phuc Le, Mervin Johns, Elad Alon, Seth R Sanders, 'A Comparative Analysis of Switched-Capacitor and Inductor-Based DC-DC Conversion Technologies', COMPEL, June 2010.

5.     Hanh-Phuc Le, Michael Seeman, Seth Sanders, Vivesh Sathe, Samuel Naffziger and Elad Alon, 'A 32nm Fully Integrated Reconfigurable Switched-Capacitor DC-DC Converter Delivering 0.55W/mm2 at 81% Efficiency', ISSCC Dig. Tech. Papers, pp. 210-211, Feb. 2010.

Single Inductor Multiple Output (SIMO) DC-DC Converter

1.     Se-Won Wang, Hanh-Phuc Le, Young-Jin Woo, et al., 'Low-Power Consumptive Luminance Compensation for a Digital Driving AMOLED Display using a Multiple Output Boost Converter', Symposia and International Display (SID) Research Conferences, May 2010.

2.     Chang-soek Chae, Hanh-Phuc Le, Kwang-chan Lee, Gyu-Ha Cho and Gyu-Hyeong Cho, ‘A Single Inductor Step-up DC-DC Switching Converter with Bi-polar Outputs for AMOLED Mobile Display Panels’, JSSC, Vol. 44, Iss.2, pp. 509-524, Feb. 2009.

3.     Young-Jin Woo, Hanh-Phuc Le, Gyu-Ha Cho, Gyu-Hyeong Cho, Sung-il Kim, ‘Load-Independent Control of Switching DC-DC Converters with Freewheeling Current Feedback’, JSSC, Vol. 43, Iss.12, pp. 2798-2808, Dec. 2008.

4.     Young-Jin Woo, Hanh-Phuc Le, Gyu-Ha Cho, Gyu-Hyeong Cho, Sung-il Kim, ‘Load-Independent Control of Switching DC-DC Converters with Freewheeling Current Feedback’, ISSCC Dig. Tech. Papers, pp. 446-447, Feb. 2008.

5.     Hanh-Phuc Le, Chang-Seok Chae, Kwang-Chan Lee, Gyu-Hyeong Cho, Se-Won Wang and Gyu-Ha Cho,‘A Single-Inductor Switching DC-DC Converter with 5 Outputs and Ordered Power-Distributive Control’, JSSC, Vol. 42, Iss.12, pp. 2706-2714, Dec. 2007.

6.     Hanh-Phuc Le, Chang-Seok Chae, Kwang-Chan Lee, Gyu-Hyeong Cho, Se-Won Wang, Gyu-Ha Cho, Sung-il Kim, ‘A Single-Inductor Switching DC-DC Converter with 5 Outputs and Ordered Power-Distributive Control’, ISSCC Dig. Tech. Papers, pp. 534-620, Feb. 2007.

7.     Chang-soek Chae, Hanh-Phuc Le, Kwang-chan Lee, Gyu-Ha Cho and Gyu-Hyeong Cho, ‘A Single Inductor Step-up DC-DC Switching Converter with Bi-polar Outputs for AMOLED Mobile Display Panels’, ISSCC Dig. Tech. Papers, pp. 132-592, Feb. 2007.

8.     Hanh-Phuc Le, et al., ‘Integrated zero-inductor-current detection circuit for step-up DC-DC converters’, Electronics Letters, Vol. 42, Issue 16, pp. 943-944, Aug. 2006.

Miscellaneous

1.     John Crossley, Alberto Puggelli, Hanh-Phuc Le, Bonjern Yang, Rachel Nancollas, Lingkai Kong, Nicholas Sutardja, Eun Ji An and Elad Alon, ‘AMS Circuit Generation, It’s in the BAG’, the Workshop on Frontiers in Analog CAD, Feb. 2013.

2.     Tae-Woo Kwak, Min-Chull Lee, Bae-Kun Choi, Hanh-Phuc Le and Gyu-Hyeong Cho, ‘A 2W CMOS Hybrid Switching Amplitude Modulator for EDGE Polar Transmitter’, ISSCC Dig. Tech. Papers, pp. 518-619, Feb. 2007.

3.     Young-Uk Hong, Bae-Kun Choi, Young-Jin Woo, Min-Chull Lee, Tae-Woo Kwak, Hanh-Phuc Le and Gyu-Hyeong Cho, “Optimum efficiency-tracking gate driver using adaptive deadtime control for single chip DC-DC converter”, Power Electronics Specialists Conference (PESC) 37th, pp. 1-5, Jun. 2006.

4.     Phi Van Luong, Nguyen Hoai Nam, Le Hanh Phuc, and Phi Hoa Binh, ‘Luminescence of SiOx defects – Influence of SiOx on photoluminescence spectra of nc-Si in SiOx ’, National Physics Conference on Hard Materials VLCRIV, Vietnam, Nov. 2003.

5.     Nguyen Hoai Nam, Phi Van Luong, Le Hanh Phuc, and Phi Hoa Binh, ‘Simulation of J-V characteristics of MOS structures containing silicon crystals in LED applications’, National Physics Conference on Hard Materials VLCRIV, Vietnam, Nov. 2003.

6.     Nguyen Hoai Nam, Phi Hoa Binh, Le Hanh Phuc, Phi Van Luong, Nguyen Van  Dung and Nguyen Hoang Nghi, " Giant Magnetoimpedance Measurement System Applied to Researches of Amorphous and Nanocrystalline Materials and Sensors",  Proceedings of 9th Biennial Vietnam Conference on Radio& Electronics (REV 2004), Hanoi, Vietnam, p 235-238, November , 2004.

Patent

1.     Hanh-Phuc Le, Robert Masleid, ‘Precision Sampling Circuit’, US Patent, US 8,179,165 B2.

2.     Hanh-Phuc Le, Robert Masleid, ‘Delay Chain Initialization’, US Patent, US 8,242,823 B2.

3.     Hanh-Phuc Le, Robert Masleid, David Greenhill, ‘Fine Grain Timing’, US Patent, US 8,198,931 B2.

4.     Hanh-Phuc Le, Robert Masleid, David Greenhill, ‘Minimal Bubble Voltage Regulator’, US Patent, US 8,283,960 B2.

5.     Hanh-Phuc Le, Gyu-Hyeong Cho, ‘DC/DC step-up converter and control method thereof’, Korean Patent, KR 20080819851, 2008.

Teaching

Summer 2012, Graduate Student Mentor, Summer Undergraduate Program in Engineering Research at Berkeley (SUPERB) 

Fall 2010, Graduate Student Instructor, EE141 - Digital Integrated Circuits

Spring 2010, Graduate Student Instructor, EE140 - Analog Integrated Circuits

Reports

Thirsty Fish and DrainBrain, H-P. Le, Fall 2010

‘Energy-Aware Routing in Wireless Sensor Networks with Adaptive Energy-Slope Control’, M. Johns, H-P. Le, Spring 2009

‘Grid-Connected Solar Electronics’, M. Johns, M. Seeman, H-P. Le, Spring 2009

‘Energy Recycling Circuit for Sleep Transistor’, H-P. Le and J. Chen, Spring 2008

‘Hi-speed Link’, J. Chen and H-P. Le, Spring 2008

‘Flash ADC’, P. Liu and H-P. Le, Fall 2007

M.S. Thesis, H-P Le, KAIST, Korea, 2006

Links of Interests

Misc