Digital auto-tuning system for inductor current sensing in VRM applications

Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

Volumn 2006, Issue , 2006, Pages 493-498

  Garcea, G ^a   Saggini, S ^b   Zambotti, D ^b   Ghioni, M ^a  

^a POLITECNICO DI MILANO   (Italy)

^b STMICROELECTRONICS   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

AUTO-TUNING SYSTEM; CONSTANT MISMATCH; CURRENT PROGRAMMED CONTROLLERS; INDUCTOR CURRENT SENSING;

ELECTRIC CONTROL EQUIPMENT; ELECTRIC CURRENTS; ELECTRIC INDUCTORS; FIELD PROGRAMMABLE GATE ARRAYS; LOW PASS FILTERS; SPECIFICATIONS;

TUNING;

EID: 33749508716     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (18)

1. E. Stanford, "Intel Technology VR Roadmap", Intel Symposium 2001.
2. Intel "Voltage Regulator-Down (VRD) 10.1 Design Guide."
3. Intel, "VRM 10.0 DC-DC Converter Design Guidelines".
4. M. T. Zhang, "Powering Intel Pentium 4 Generation Processors" IEEE 10th Topical Meeting on Electrical Performance of Electronic Packaging, Cambridge, MA, Oct. 29-31, 2001, pp. 215-218.
5. F.C. Lee, "High Frequency Solutions for 12V VR", Intel Symposium 2003.
6. Peng Xu, Fred C. Lee, "Multiphase Voltage Regulator Modules with Magnetic Integration to Power Microprocessors", Ph.D. dissertation, 2002.
7. Wei Tang, Fred C. Lee, Raymond B. Ridley, "Small Signal Modelling of Average Current Mode Control", IEEE Transactions On Power Electronics, Vol.8, no2, April 1993.
8. K. Yao, Y. Ren, J. Sun, K. Lee, M. Xu, J. Zhou, F. C. Lee, "Adaptive voltage position design for voltage regulators" Applied Power Electronics Conference and Exposition, 2004. APEC '04. Nineteenth Annual IEEE Volume 1, 2004 Page(s):272 - 278 Vol.1
9. E. D., Marco Passoni, Gabriele Sassone, "Lossless current sensing in low-voltage high-current DC/DC modular supplies", IEEE Trans. On Industrial Applications, 47, 1249-1252 (2000).
10. Linifinity, "A Simple Current-Sense Technique Eliminating a Sense Resistor", Application Note AN-7, rev. 1.1, July 1998.
11. H. Pooya Forghani-zadeh, G A. Rincón-Mora, "Current-Sensing Techniques for DC/DC Converters", The 2002 45th Midwest Symposium, Vol.2.
12. K. Yao, M. Xu, Y. Meng, F. C. Lee, "Design Considerations for VRM Transient Response Based on the Output Impedance", Power Electronics, IEEE Transactions on, Volume 18, Issue 6, Nov. 2003 Page(s):1270.
13. K. Yao, K. Lee, M. Xu, F.C. Lee, "Optimal design of the active droop control method for the transient response" Applied Power Electronics Conference and Exposition, 2003. APEC '03. Eighteenth Annual IEEE Volume 2, 9-13 Feb. 2003 Page(s):718 - 723 vol.2
14. V. Vorpérian, "Simplified Analysis of PWM Converters Using Model of PWM Switch Part I: Continuous Conduction Mode", IEEE Transactions On Aerospace And Electronic Systems, Vol. 26, no3, May 1990.
15. Kaiwei Yao, Yuancheng Ren, Fred C. Lee, "Critical Bandwidth for the Load Transient Response of Voltage Regulator Modules", Power Electronics, IEEE Transactions on, Volume 19, Issue 6, Nov. 2004 Page(s):1454-1461.
16. A.V. Peterchev, S.R. Sanders, "Quantization resolution and limit cycling in digitally controlled PWM converters" Power Electronics, IEEE Transactions on, Volume 18, Issue 1, Part 2, Jan. 2003 Page(s):301 - 308
17. H. Peng, D. Maksimovic, A. Prodic, E. Alarcon, "Modeling of quantization effects in digitally controlled DC-DC converters Power" Electronics Specialists Conference, 2004. PESC 04. 2004 IEEE 35th Annual Volume 6, 20-25 June 2004 Page(s):4312 - 4318 Vol.6
18. STMicorelectronics, L6711 Datasheet, rev.2, November 2004.