Giant Magneto Resistive (GMR) effect based current sensing technique for DC/DC converters

IECON Proceedings (Industrial Electronics Conference)

Volumn , Issue , 2007, Pages 1420-1425

  Singh, Ravinder Pal ^a   Khambadkone, Ashwin M ^a  

^a NATIONAL UNIVERSITY OF SINGAPORE   (Singapore)

Author keywords

Current mode control; Current sensing; Giant magneto resistive effect; Voltage regulator module (VRM)

Indexed keywords

ELECTRONICS INDUSTRY; GIANT MAGNETORESISTANCE; INDUSTRIAL ELECTRONICS; MAGNETIC FIELD EFFECTS; MAGNETIC FIELDS; MAGNETIC RECORDING; MAGNETORESISTANCE; MAGNETOS; POWER CONVERTERS;

ANNUAL CONFERENCE; APPLICATIONS.; BUCK CONVERTERS; CURRENT MODE CONTROL; CURRENT MODE CONTROLLED; CURRENT SENSING; CURRENT SENSING SCHEMES; CURRENT SHARING; DC CONVERTERS; DC/DC CONVERTERS; GIANT MAGNETO RESISTIVE EFFECT; HIGH CURRENTS; LOW VOLTAGES; PARALLELED CONVERTERS; SENSING ACCURACY; VOLTAGE REGULATOR MODULE (VRM);

SENSORS;

EID: 49949109668     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/IECON.2007.4460150     Document Type: Conference Paper

References (10)

1. Prodic A and Maksimovic D, "Digital pwm controller and current estimator for a low-power switching converter," in Proceedings of IEEE Workshop on Computers in power Electronics, July 2000, pp. 123-128,
2. International Technology Roadmap for Semiconductors, "http://public. itrs.net," 2003 Edition.
3. Voltage Regulator-Down (VRD) 10.0, "Design guide © intel corporation," April 2003.
4. Gabriel Eirea and Seth R. Sanders, "High precision load current sensing using on-line calibration of trace resistance in vrm applications," in Proc. IEEE PESC'06, 2006, pp. 1291-1296.
5. J. Sun, J. Zhou, Ming Xu, and Fred C. Lee, "A novel input-side current sensing method to achieve avp for future vrs," IEEE Trans. Power Electronics, vol. 21, no. 5, pp. 1235-1242, Sep 2006.
6. Yang Zhang, R. Zane, A. Prodic, R, Erickson, and D. Maksimovic, "Online calibration of mosfet on-state resistance for precise current sensing," IEEE Power Electronics Letters, vol. 2, no. 3, pp. 100-103, Sep 2004.
7. Ron Lenk, "Application bulletin ab-20: Optimum current sensing techniques in cpu converters," in Fairchild Semiconductor Application Notes, 1999, pp. 1-4.
8. P. Midya, M. Greuel, and P. Krein, "Sensorless current mode control- an observer technique for dc-dc converters," IEEE Transactions on Power Electronics, vol. 16, pp. 522-526, July 2001.
9. S. Yuvarajan, "Performance analysis and signal processing in current sensing mosfet (sensefet)," in Proc. Industry Applications Society Annual Meeting, 1990, vol. 2, pp. 1445-1450.
10. NVE Corporation, "Gmr sensor catalog," .