Interleaving energy-conservation mode (IECM) control in single-inductor dual-output (SIDO) step-down converters with 91% peak efficiency

IEEE Journal of Solid-State Circuits

Volumn 46, Issue 4, 2011, Pages 904-915

  Lee, Yu Huei ^a   Yang, Yao Yi ^a   Wang, Shih Jung ^a   Chen, Ke Horng ^a   Lin, Ying Hsi ^b   Chen, Yi Kuang ^b   Huang, Chen Chih ^b  

^a NATIONAL CHIAO TUNG UNIVERSITY   (Taiwan)

^b REALTEK SEMICONDUCTOR CORP   (Taiwan)

Author keywords

Current interleaving; DC DC converter; energy delivery path; output voltage ripple; power conversion efficiency; single inductor dual output (SIDO) converter; ultra wide band (UWB) system

Indexed keywords

CURRENT INTERLEAVING; ENERGY DELIVERY PATH; OUTPUT VOLTAGE RIPPLE; POWER CONVERSION EFFICIENCY; SINGLE-INDUCTOR DUAL-OUTPUT (SIDO) CONVERTER; ULTRAWIDEBAND SYSTEMS;

CONVERSION EFFICIENCY; DC-DC CONVERTERS; HVDC POWER TRANSMISSION; THREE DIMENSIONAL; VLSI CIRCUITS;

ELECTRIC INDUCTORS;

EID: 79953178926     PISSN: 00189200     EISSN: None     Source Type: Journal    
DOI: 10.1109/JSSC.2011.2108850     Document Type: Article

References (18)

1. H.-P. Le, C.-S. Chae, K.-C. Lee, S.-W. Wang, G.-H. Cho, and G.-H. Cho, "A single-inductor switching DC-DC converter with five outputs and ordered power-distributive control," IEEE J. Solid-State Circuits, vol. 42, no. 12, pp. 2076-2714, Dec. 2007.
2. K.-S. Seol, Y.-J.Woo, G.-H. Cho, G.-H. Cho, J.-W. Lee, and S.-I. Kim, "Multiple-output step-up/down switching DC-DC converter with vestigial current control," in IEEE ISSCC Dig. Tech. Papers, 2009, pp. 442-443.
3. X. Jing, P. K. T. Mok, and M. C. Lee, "A wide-load-range single-inductor dual-output boost regulator with minimized cross-regulation by constant-charge-auto-hopping (CCAH) control," in Proc. IEEE Custom Integrated Circuits Conf. (CICC), 2009, pp. 299-302.
4. D. Ma, W.-H. Ki, and C.-Y. Tsui, "A pseudo-CCM/DCM SIMO switching converter with freewheel switching," IEEE J. Solid-State Circuits, vol. 38, no. 6, pp. 1007-1014, Jun. 2003.
5. M.-H. Huang and K.-H. Chen, "Single-inductor dual buck-boost output (SIDBBO) converter adaptive current control mode (ACCM) and adaptive body switch (ABS) for compact size and long battery life in portable devices," in IEEE Symp. VLSI Circuits Dig., 2009, pp. 164-165.
6. M. Belloni, E. Bonizzoni, E. Kiseliovas, P. Malcovati, F. Maloberti, T. Peltola, and T. Teppo, "A 4-output single-inductor DC-DC buck converter with self-boosted switch drivers and 1.2 A total output current," in IEEE ISSCC Dig. Tech. Papers, 2008, pp. 444-445.
7. C.-S. Chae, H.-P. Le, K.-C. Lee, G.-H. Cho, and G.-H. Cho, "A singleinductor step-up DC-DC switching converter with bipolar outputs for active matrix OLED mobile display panels," IEEE J. Solid-State Circuits, vol. 44, no. 2, pp. 509-524, Feb. 2009.
8. M.-H. Huang and K.-H. Chen, "Single-inductor multi-output (SIMO) DC-DC converters with high light-load efficiency and minimized cross-regulation for portable devices," IEEE J. Solid-State Circuits, vol. 44, no. 4, pp. 1099-1111, Apr. 2009.
9. E. Bonizzoni, F. Borghetti, P. Malcovati, F. Maloberti, and B. Niessen, "A 200 mA 93% peak efficiency single-inductor dual-output DC-DC buck converter," in IEEE ISSCC Dig. Tech. Papers, 2007, pp. 526-527.
10. W. Xu, Y. Li, X. Gong, Z. Hong, and D. Killat, "A single-inductor dual-output switching converter with low ripples and improved cross regulation," in Proc. IEEE Custom Integrated Circuits Conf. (CICC), 2009, pp. 303-306.
11. K.-H. Chen, C.-J. Chang, and T.-H. Liu, "Bidirectional current-mode capacitor multipliers for on-chip compensation," IEEE Trans. Power Electron., vol. 23, no. 1, pp. 180-188, Jan. 2008.
12. C. F. Lee and P. K. T. 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, Jan. 2004.
13. H.-W. Huang, K.-H. Chen, and S.-Y. Kuo, "Dithering skip modulation, width and dead time controllers in highly efficient DC-DC converters for system-on-chip applications," IEEE J. Solid-State Circuits, vol. 42, no. 11, pp. 2451-2465, Nov. 2007.
14. Y. Qiu, X. Chen, and H. Liu, "Digital average current-mode control using current estimation and capacitor charge balance principle for DC-DC converters operating in DCM," IEEE Trans. Power Electron., vol. 25, pp. 1537-1545, Jun. 2010.
15. K. Viswanathan, R. Oruganti, and D. Srinivasan, "A novel tri-State boost converter with fast dynamics," IEEE Trans. Power Electron., vol. 17, pp. 677-683, Sep. 2002. (Pubitemid 35241890)
16. Y.-H. Lee, Y.-Y. Yang, K.-H. Chen, Y.-H. Lin, S.-J. Wang, K.-L. Zheng, P.-F. Chen, C.-Y. Hsieh, Y.-Z. Ke, Y.-K. Chen, and C.-C. Huang, "A DVS embedded power management for high efficiency integrated SoC in UWB system," IEEE J. Solid-State Circuits, vol. 45, no. 11, pp. 2227-2238, Nov. 2010.
17. R. W. Erickson and D. Maksimović, Fundamentals of Power Electronics. Norwell, MA: Kluwer, 2001.
18. C. H. Ahn and M. G. Allen, "Micromachined planar inductors on silicon wafers for MEMS applications," IEEE Trans. Ind. Electron., vol. 45, no. 6, pp. 866-876, Dec. 1998. (Pubitemid 128740309)