Lossless inductor current sensing method with improved frequency response

IEEE Transactions on Power Electronics

Volumn 24, Issue 5, 2009, Pages 1218-1222

  Ziegler, Silvio ^a   Woodward, Robert C ^a   Iu, Herbert H C ^a   Borle, Lawrence J ^b  

^a UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

^b Sunenergy Limited   (Australia)

Author keywords

Current measurement; Current sharing; dc dc power converter; Mutual coupling

Indexed keywords

CONVENTIONAL APPROACH; CORNER FREQUENCY; CURRENT MEASUREMENT; CURRENT SHARING; DC-DC POWER CONVERTER; HIGH FREQUENCY RESPONSE; INDUCED VOLTAGES; INDUCTOR CURRENT SENSING; LOSSLESS; LOW COSTS; MEASUREMENT CIRCUIT; MUTUAL COUPLING; ORDERS OF MAGNITUDE; OUTPUT CURRENT; PRODUCTION TOLERANCE; SENSING CIRCUITS; THERMAL DRIFTS; WAVE FORMS; WINDING RESISTANCES;

COUPLED CIRCUITS; ELECTRIC CURRENT MEASUREMENT; ELECTRIC POWER MEASUREMENT; ELECTRIC RESISTANCE; POWER CONVERTERS; SIGNAL FILTERING AND PREDICTION; WINDING;

FREQUENCY RESPONSE;

EID: 67349225125     PISSN: 08858993     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPEL.2009.2013954     Document Type: Article

References (12)

1. C. Chang, "Lossless current sensing and its application in current mode control," in Proc. 39th IEEE Power Electron. Spec. Conf. (PESC 2008) Rhodes, Greece, pp. 4086-4091.
2. X. Zhou, P. Xu, and F. C. Lee, "A novel current-sharing control technique for low-voltage high-current voltage regulatormodule applications," IEEE Trans. Power Electron., vol. 15, no. 6, pp. 1153-1162, Nov. 2000.
3. E. Dallago, M. Passoni, and G. Sassone, "Lossless current sensing in low-voltage high-current DC/DC modular supplies," IEEE Trans. Ind. Electron., vol. 47, no. 6, pp. 1249-1252, Dec. 2000.
4. G. Garcea, S. Saggini, D. Zambotti, and M. Ghioni, "Digital autotuning system for inductor current sensing in voltage regulation module applications," IEEE Trans. Power Electron., vol. 23, no. 5, pp. 2500-2506, Sep. 2008.
5. H. P. Forghani-Zadeh and G. A. Rincón-Mora, "An accurate, continuous, and lossless self-learning CMOS current-sensing scheme for inductor-based DC-DC converters," IEEE J. Solid State Circuits, vol. 42, no. 3, pp. 665-679, Mar. 2007.
6. Z. Lukić, Z. Zhao, S. M. Ahsanuzzaman, and A. Prodić, "Self-tuning digital current estimator for low-power switching converters," in Proc. 23rd IEEE Appl. Power Electron. Conf. Expo. (APEC 2008), pp. 529-534.
7. S. Ziegler, R. C. Woodward, H. H. C. Iu, and L. J. Borle, "Investigation into static and dynamic performance of the copper trace current sense method," IEEE Sens. J., to be published.
8. S. Ziegler, R. C.Woodward, H. H. C. Iu, and L. J. Borle, "Current sensing techniques: A review," IEEE Sens. J., vol. 9, pp. 354-376, 2008.
9. F. Ohms, Circuit Arrangement for Detecting a Current in Power Supply Devices, U.S. Patent 4 684 827, Mar. 7, 1986.
10. A. V. Gillow and W. P. Marple, Current Sensor for Low Pass Filter, U.S. Patent 3 733 536, Jun. 5, 1972.
11. B. L. Wilkinson, Power Supply Current Detector System, U.S. Patent 3 768 012, May 8, 1972.
12. F. W. Grover, Inductance Calculations: Working Formulas and Tables New York, NY: Van Nostrand, 1946.