Merged two-stage power converter with soft charging switched-capacitor stage in 180 nm CMOS

IEEE Journal of Solid-State Circuits

Volumn 47, Issue 7, 2012, Pages 1557-1567

  Pilawa Podgurski, Robert C N ^a   Perreault, David J ^a  

^a MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Buck converter; CMOS power delivery; DC DC converter; feed forward; merged two stage; power management; soft charging; switched capacitor converter

Indexed keywords

BUCK CONVERTERS; FEED-FORWARD; MERGED TWO-STAGE; POWER DELIVERY; POWER MANAGEMENTS; SWITCHED CAPACITOR CONVERTER;

CAPACITORS; CMOS INTEGRATED CIRCUITS; ELECTRIC POWER TRANSMISSION; ENERGY MANAGEMENT; HVDC POWER TRANSMISSION; MERGERS AND ACQUISITIONS; SWITCHING FREQUENCY;

DC-DC CONVERTERS;

EID: 84862982237     PISSN: 00189200     EISSN: None     Source Type: Journal    
DOI: 10.1109/JSSC.2012.2191325     Document Type: Article

References (29)

1. J. Sun, M. Xu, Y. Ying, and F. Lee, "High power density, high efficiency system two-stage power architecture for laptop computers," in Power Electronics Specialists Conf., Jun. 2006, pp. 1-7.
2. N. Sun, X. Duan, X. Zhang, A. Huang, and F. Lee, "Design of a 4MHz, 5 V to 1 V monolithic voltage regulator chip," in Proc. 14th Int. Symp. Power Semiconductor Devices and ICs, Jun. 2002, pp. 217-220.
3. P. Hazucha, G. Schrom, J. Hahn, B. Bloechel, P. Hack, G. Dermer, S. Narendra, D. Gardner, T. Karnik, V. De, and S. Borkar, "A 233-MHz 80%-87%efficient four-phase dc-dc converter utilizing air-core inductors on package," IEEE J. Solid-State Circuits, vol. 40, pp. 838-845, Apr. 2005.
4. V. Yousefzadeh, E. Alarcon, and D. Maksimovic, "Three-level buck converter for envelope tracking applications," IEEE Trans. Power Electron., vol. 21, pp. 549-552, Mar. 2006. (Pubitemid 43380105)
5. K. Abe, K. Nishijima, K. Harada, T. Nakano, T. Nabeshima, and T. Sato, "A novel three-phase buck converter with bootstrap driver circuit," in Proc. Power Electronics Specialists Conf., Jun. 2007, pp. 1864-1871.
6. G. Schrom, P. Hazucha, F. Paillet, D. J. Rennie, S. T. Moon, D. S. Gardner, T. Kamik, P. Sun, T. T. Nguyen,M. J. Hill, K. Radhakrishnan, and T. Memioglu, "A 100 MHz eight-phase buck converter delivering 12 A in 25 mm using air-core inductors," in Proc. Applied Power Electronics Conf., Feb./Mar. 2007, pp. 727-730.
7. J. Sun, J.-Q. Lu, D. Giuliano, T. P. Chow, and R. J. Gutmann, "3D power delivery for microprocessors and high-performance ASICs," in Proc. Applied Power Electronics Conf., Feb./Mar. 2007, pp. 127-133.
8. J.Wei and F. Lee, "Two novel soft-switched, high frequency, high-efficiency, non-isolated voltage regulators-The phase-shift buck converter and the matrix-transformer phase-buck converter," IEEE Trans. Power Electron., vol. 20, pp. 292-299, Mar. 2005. (Pubitemid 40535731)
9. P. Lin and L. Chua, "Topological generation and analysis of voltage multiplier circuits," IEEE Trans. Circuits Syst., vol. 24, pp. 517-530, Oct. 1977. (Pubitemid 8565193)
10. S. Cheong, S. Chung, and A. Ioinovici, "Development of power electronics converters based on switched-capacitor circuits," in Proc. IEEE Int. Symp. Circuits and Systems (ISCAS), May 3-6, 1992, vol. 4, pp. 1907-1910.
11. K. Ngo and R. Webster, "Steady-state analysis and design of a switched-capacitor dc-dc converter," IEEE Trans. Aerosp. Electron. Syst., vol. 30, pp. 92-101, Jan. 1994.
12. M. Makowski and D. Maksimovic, "Performance limits of switchedcapacitor dc-dc converters," in Proc. Power Electronics Specialists Conf., Jun. 1995, vol. 2, pp. 1215-1221.
13. M. Makowski, "Realizability conditions and bounds on synthesis of switched-capacitor dc-dc voltage multiplier circuits," IEEE Trans. Circuits Syst. I, vol. 44, pp. 684-691, Aug. 1997. (Pubitemid 127768173)
14. B. Arntzen and D. Maksimovic, "Switched-capacitor dc/dc converters with resonant gate drive," IEEE Trans. Power Electron., vol. 13, pp. 892-902, Sep. 1998. (Pubitemid 128747812)
15. M. D. Seeman and S. R. Sanders, "Analysis and optimization of switched-capacitor dc-dc converters," IEEE Trans. Power Electron., vol. 23, no. 2, pp. 841-851, 2008. (Pubitemid 351460527)
16. S. Cheong, H. Chung, and A. Ioinovici, "Inductorless dc-to-dc converter with high power density," IEEE Trans. Ind. Electron., vol. 41, pp. 208-215, Apr. 1994.
17. O. Abutbul, A. Gherlitz, Y. Berkovich, and A. Ioinovici, "Step-up switching-mode converter with high voltage gain using a switched-capacitor circuit," IEEE Trans. Circuits Syst. I, vol. 50, pp. 1098-1102, Aug. 2003.
18. B. Axelrod, Y. Berkovich, and A. Ioinovici, "Single-switch singlestage switched-capacitor buck converter," in Proc. NORPIE 2004, 4th Nordic Workshop on Power and Industrial Electronics, Trondheim, Norway, Jun. 2004.
19. H.-P Le, S. Sanders, and E. Alon, "Design techniques for fully integrated switched-capacitor dc-dc converters," IEEE J. Solid-State Circuits, vol. 46, no. 9, pp. 2120-2131, 2011.
20. R. Pilawa-Podgurski, D. Giuliano, and D. Perreault, "Merged two-stage power converter architecture with soft charging switched-capacitor energy transfer," in 39th IEEE Power Electronics Specialists Conf., Rhodes, Greece, 2008.
21. R. Pilawa-Podgurski, "Architectures and circuits for low-voltage energy conversion and applications in renewable energy and power management," Ph.D. dissertation, Massachusetts Institute of Technology, Cambridge, MA, 2012.
22. H.-P. Le, M. Seeman, S. R. Sanders, V. Sathe, S. Naffziger, and E. Alon, "A 32 nm fully integrated reconfigurable switched-capacitor dc-dc converter delivering 0.55 W/mm at 81% efficiency," in IEEE Int. Solid-State Circuits Conf. Dig. Tech. Papers (ISSCC), 2010, pp. 210-211.
23. R. Erickson and D. Maksimovic, Fundamentals of Power Electronics. New York: Kluwer Academics, 2000.
24. P.-L. Wong, F. Lee, X. Peng, and K. Yao, "Critical inductance in voltage regulator modules," IEEE Trans. Power Electron., vol. 17, no. 4, pp. 485-492, 2002. (Pubitemid 34861808)
25. M.Du, H. Lee, and J. Liu, "A5-MHz 91%peak-power-efficiency buck regulator with auto-selectable peak-and valley-current control," IEEE J. Solid-State Circuits, vol. 46, pp. 1928-1938, 2011.
26. J. Xiao, A. Peterchev, J. Zhang, and S. Sanders, "A 4 quiescentcurrent dual-mode digitally controlled buck converter ic for cellular phone applications," IEEE J. Solid-State Circuits, vol. 39, no. 12, pp. 2342-2348, 2004.
27. F. Lee and P. Mok, "A monolithic current-mode CMOS DC-DC converter with on-chip current-sensing technique," IEEE J. Solid-State Circuits, vol. 39, no. 1, pp. 3-14, 2004.
28. S. Reynolds, "A DC-DC converter for short-channel CMOS technologies," IEEE J. Solid-State Circuits, vol. 32, pp. 111-113, 1997. (Pubitemid 127598114)
29. H. Nam, Y. Ahn, and J. Roh, "5-V buck converter using 3.3-V standard CMOS process with adaptive power transistor driver increasing efficiency and maximum load capacity," IEEE Trans. Power Electron., vol. 27, pp. 463-471, 2012.