A 1V buck converter IC with hybrid current-mode control and a charge-pump DAC

PESC Record - IEEE Annual Power Electronics Specialists Conference

Volumn , Issue , 2008, Pages 1122-1128

  Trescases, Olivier ^b   Rahman, Nabeel ^b,c   Prodić, Aleksandar ^a   Ng, Wai Tung ^a  

^a UNIVERSITY OF TORONTO   (Canada)

^b INFINEON TECHNOLOGIES AUSTRIA AG   (Austria)

^c ON SEMICONDUCTOR   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DIGITAL INTEGRATED CIRCUITS; FREQUENCY RESPONSE; POWER CONVERTERS;

ANALOG IMPLEMENTATION; BUCK CONVERTERS; CHARGE PUMPING; CLOCK FREQUENCIES; CURRENT MODE CONTROLLED; DC CONVERTERS; DIGITAL DOMAINS; OUTPUT VOLTAGES; PEAK CURRENT-MODE CONTROL; PORTABLE APPLICATIONS;

POWER ELECTRONICS;

EID: 52349091595     PISSN: 02759306     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/PESC.2008.4592080     Document Type: Conference Paper

References (18)

1. S. Saggini and M. Ghioni, "An innovative digital control architecture for low-voltage high-current DC-DC converters with tight load regulation," IEEE Transactions on Power Electronics, vol. 19, no. 1, pp. 210-218, January 2004.
2. O. Trescases, Z. Lukić, W.-T. Ng, and A. Prodić, "A low power mixed-signal current-mode DC-DC converter using a one-bit delta sigma DAC," in Proc. IEEE Applied Power Electronics Conference and Exposition, 2006, pp. 700-704.
3. H. Peng and D. Maksimović, "Digital current-mode controller for DC-DC converters," in Proc. IEEE Applied Power Electronics Conference and Exposition, 2005, pp. 899-905.
4. S. Chattopadhyay and S. Das, "A digital current-mode control technique for dc-dc converters," IEEE Transactions on Power Electronics, vol. 21, no. 6, pp. 1718-1726, 2006.
5. Y.-S. Jung, "Small-signal model-based design of digital currrent-mode control," IEEE Proceedings on Electric Power Applications, vol. 152, no. 4, 2005.
6. R. Williams, W. Grabowski, A. Cowell, M. Darwish, and J. Berwick, "The dual-gate W-switched power MOSFET: a new concept for improving light load efficiency in DC/DC converters," in Proc. IEEE International Symposium on Power Semiconductor Devices & ICs, 1997, pp. 193-196.
7. A. Peterchev and S. Sanders, "Quantization resolution and limit cycling in digitally controlled PWM converters," IEEE Transactions on Power Electronic Circuits, vol. 18, pp. 301-308, Jan 2003.
8. H. Peng, A. Prodić, E. Alarcon, and D. Maksimović, "Modeling of quantization effects in digitally controlled DC-DC converters," IEEE Transactions on Power Electronics, vol. 22, no. 1, pp. 208-209, 2007.
9. J. Chen, M. Ribeiro, R. Payseo, D. Zhou, and J. Smith, "DPWM time resolution requirements for digitally controlled DC-DC converters," in Proc. IEEE Applied Power Electronics Conference and Exposition, 2006, pp. 1127-1132.
10. C. Deisch, "Simple switching control method changes power converter into a current source," in Proc. IEEE Power Electronics Specialists Conference, 1978, pp. 300-306.
11. O. Trescases, W.-T. Ng, H. Nishio, E. Masaharum, and T. Kawashima, "A digitally controlled DC-DC converter module with a segmented output stage for optimized efficiency," in Proc. IEEE International Symposium on Power Semiconductor Devices & ICs, 2006, pp. 409-413.
12. B. Patella, A. Prodić, A. Zirger, and D. Maksimović, "High-frequency digital PWM controller IC," IEEE Transactions on Power Electronics, vol. 18, no. 1, Jan 2003.
13. J. Xiao, A. Peterchev, J. Zhang, and S. Sanders, "A 4-μA quiescent-current dual-mode digitally controlled buck converter IC for cellular phone applications," in IEEE Journal of Solid-State Circuits, vol. 39, 2004, pp. 2342-2348.
14. M. Vincent and D. Maksimovic, "Matched delay-line voltage converter," US Patent 6958721, Oct. 2005.
15. A. Parayandeh, "Programmable application specific ADC for digitally controlled switch-mode power supplies," Master's thesis, University of Toronto, 2006.
16. Z. Lukić, "Sigma-delta controllers for 12 MHz DC-DC switch-mode power supplies," Master's thesis, University of Toronto, 2006.
17. W. Wu, S. Lam, and M. Chan, "A wide-band T/R switch using enhanced compact waffle MOSFETs," IEEE Microwave and Wireless Components Letters, vol. 16, no. 5, pp. 287-289, 2006.
18. S. Nassif-Khalil, S. Honarkhah, and C. Salama, "Low voltage CMOS compatible power MOSFET for on-chip DC/DC converters," in Proc. IEEE International Symposium on Power Semiconductor Devices & ICs, 2000, pp. 43-46.