A high-accuracy and high-efficiency on-chip current sensing for current-mode control CMOS DC-DC buck converter

Proceedings of the 15th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2008

Volumn , Issue , 2008, Pages 458-461

  Cheng, Kuo Hsing ^a   Su, Chia Wei ^a   Ko, Hsin Hsin ^a  

^a NATIONAL CENTRAL UNIVERSITY   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

BICMOS TECHNOLOGY; SENSORS;

BUCK CONVERTERS; CMOS PROCESSES; CURRENT SENSING; CURRENT-MODE CONTROLS; HIGH ACCURACIES; HIGH EFFICIENCIES; LITHIUM ION BATTERIES; LOAD CURRENTS; MEASUREMENT RESULTS; ON CHIPS; OP AMPLIFIERS; POWER EFFICIENCIES; SUPPLY VOLTAGES; SWITCH TECHNIQUES; TEST CHIPS;

NETWORKS (CIRCUITS);

EID: 57849137082     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICECS.2008.4674889     Document Type: Conference Paper

References (8)

1. H. P. Forghani-zadeh and G. A. Rincón-Mora, "Current-sensing techniques for DC-DC converters," IEEE Midwest Symp. on Circuits and Systems, pp. 577-580. Aug. 2002.
2. R. Lenk, "Application bulletin AB-20 optimum current-sensing techniques in CPU converters," Fairchild Semiconductor Application Notes, 1999.
3. P. Midya, M Greuel, and P. Krein, "Sensorless Current Mode Control-An Observer Technique for DC- DC Converters," IEEE Trans. Power Electronics, vol. 16, pp. 522-526, July 2001.
4. E. Dallago, M. Passoni, and G. Sassone, "Lossless Current-Sensing in Low-Voltage High-Current dc-dc Modular Supplies," IEEE Trans. on Industrial Electronics, pp. 1249-1252, Dec. 2000.
5. C.F.Lee and P.K.T. Mok,"A monolithic current-mode CMOS DC-DC Converter with On-Chip Current Sensing Technique," IEEE J. of Solid-State Circuits, vol.39, pp. 3-14, Jan. 2004
6. C. Y. Leung; Mok, P.K.T.and Ka Nang Leung "An Integrated CMOS Current-Sensing Circuit for Low-Voltage Current-Mode Buck Regulator," IEEE Transactions on Circuits and Systems II, vol. 52, pp. 394-397, July 2005.
7. C. H. Chang and Robert C. Chang, "A Novel Current Sensing Circuit for a Current-Mode Control CMOS DC-DC Buck Converter," IEEE International Symposium on VLSI Design, Automation & Test, pp. 120-123, Apr. 2005.
8. Forghani-zadeh, H. P., and Rincon-Mora, G. A. "An Accurate, Continuous, and Lossless Self-Learning CMOS Current-Sensing Scheme for Inductor-Based DC-DC Converters," IEEE J. of Solid-State Circuits, vol.42, pp. 665-679, Mar. 2007.