A speed- And accuracy-enhanced on-chip current sensor with local shunt feedback for current-mode switching DC-DC converters

2007 IEEE Dallas/CAS Workshop on System-on-Chip (SoC): Design, Applications, Integration, and Software, DCAS-07

Volumn , Issue , 2007, Pages 129-132

  Du, Mengmeng ^a   Lee, Hoi ^a  

^a The University of Texas at Dallas

Author keywords

[No Author keywords available]

Indexed keywords

BUCK CONVERTERS; CMOS PROCESSES; CURRENT SENSORS; DOMINANT POLES; DUTY CYCLES; HIGH FREQUENCIES; MODE SWITCHING; ON CHIPS; QUIESCENT CURRENTS; SENSING ACCURACIES; SETTLING TIMES; SHUNT FEEDBACKS;

APPLICATION SPECIFIC INTEGRATED CIRCUITS; CONTROL SYSTEM STABILITY; DC-DC CONVERTERS; INTEGRATED CIRCUITS; LASER MODES; POWER CONVERTERS; PROGRAMMABLE LOGIC CONTROLLERS; TECHNICAL PRESENTATIONS;

SENSORS;

EID: 48349122270     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/DCAS.2007.4433201     Document Type: Conference Paper

References (7)

1. W. H. Ki, Current sensing technique using MOS transistors scaling with matched bipolar current sources, U.S. Patent 5,757,174, May 26, 1998.
2. C. F. Lee and P. K. T. Mok, "On-chip current sensing technique for CMOS monolithic switch-mode power converters," in Proc. IEEE Symp. Circuits and Systems, May 2002, pp. 265-268.
3. C. F. Lee and P. K. T. Mok, "A monolithic current-mode CMOS DC-DC converter with on-chip current-sensing technique," IEEE J. Solid-State Circuits, vol. 39, no. 1, pp. 3 -14, Jan. 2004.
4. C. Y. Leung, P. K. T. Mok, and K. N. Leung, "A 1.2-V buck converter with a novel on-chip low-voltage current-sensing scheme," in Proc. IEEE Symp. Circuits and Systems, May 2004, pp. 824-827.
5. C. Y. Leung, P. K. T. Mok, K. N. Leung, and M. Chan, "An integrated CMOS current-sensing circuit for low-voltage current-mode buck regulator," IEEE Trans. Circuits Syst. II, vol. 52, no. 7, pp. 394-397, Jul. 2005.
6. H. Y. H. Lam, W. M. Ki, and D. Ma, "Loop gain analysis and development of high-speed high-accuracy current sensors for switching converters," in Proc. IEEE Symp. Circuits and Systems, May 2004, pp. 828-831.
7. H. P. Forghani-zadeh and G. A. Rincon-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.