Control algorithms and circuit designs for optimal flyback-charging of an energy-storage capacitor (e.g., for flash lamp or defibrillator)

IEEE Transactions on Power Electronics

Volumn 12, Issue 5, 1997, Pages 885-894

  Sokal, Nathan O ^a,b   Redl, Richard ^a,c  

^a IEEE   (United States)

^b Design Automation Inc   (United States)

^c ELFI SA   (Switzerland)

Author keywords

Capacitor charger; Capacitor charging; Current mode control; Defibrillator; Energy storage capacitor; Feed forward control; Flash; Flyback charger; Flyback charging; Flyback converter; High voltage; Hysteretic current mode control

Indexed keywords

ALGORITHMS; CAPACITOR STORAGE; ELECTRIC CURRENT CONTROL; ELECTRIC NETWORK SYNTHESIS; TRANSFORMER WINDINGS; TRANSISTORS;

FLYBACK CHARGING;

POWER CONVERTERS;

EID: 0031237226     PISSN: 08858993     EISSN: None     Source Type: Journal    
DOI: 10.1109/63.623007     Document Type: Article

References (12)

1. N. O. Sokal, Flyback Charging with Current Mode Controlled Flyback Converter, U.S. Patent 5485361, Jan. 16, 1996.
2. CE, snubber and transistor power dissipation, and optimum design, for use in transformer-coupled power converters having nonnegligible transformer leakage inductance," Power Conversion Intell. Motion, vol. 11, no. 9, pp. 34, 36, 38, Oct. 1985.
3. CE overshoot: Analysis, design procedure, and experimental verification," in PESC Rec., IEEE Catalog no. 82CH-1762-4, pp. 445-454, 1982.
4. A. Ferraro, "An overview of low-loss snubber technology for transistor converters," in PESC Rec., IEEE Catalog no. 82CH-1762-4, pp. 466-477, 1982.
5. G. Spiazzi, L. Rossetto, and P. Mattavelli, "Design optimization of soft-switched insulated dc/dc converters with active voltage clamp," in Proc. IEEE Ind. Applicat. Soc. Annu. Meet., vol. 2, San Diego, CA, Oct. 1996, pp. 1169-1176.
6. R. Redl and N. O. Sokal, "Current-mode control, five different types, used with the three basic classes of power converters: Small-signal ac and large-signal dc characterization, stability requirements, and implementation of practical circuits," in PESC Rec., IEEE Catalog no. 85CH-2117-0, pp. 771-785, 1985.
7. _, "What a design engineer should know about current-mode control," in Proc. Power Electron. Design Conf., Anaheim, CA, Oct. 1985, pp. 18-33.
8. T. A. Froeschle, Current Controlled Two-State Modulation, U.S. Patent 4456872, June 26, 1984.
9. N. O. Sokal, "Feed-forward control for switching-mode power converters - A design example," in Proc. POWERCON 3 Conf., Beverly Hills, CA, June 1976, pp. E2-1-E2-11.
10. R. Redl and N. O. Sokal, "Frequency stabilization and synchronization of free-running current-mode-controlled converters," in PESC Rec., IEEE Catalog no. 86CH2310-1, pp. 519-530, 1986.
11. M. Domb and N. O. Sokal, "Zener or extra winding copes with leakage inductance," Electron. Design, vol. 29, no. 9, pp. 159-161, Apr. 30, 1981.
12. S. Clemente, B. Pelly, and R. Ruttonsha, "A universal 100 kHz power supply using a single HEXFET," Int. Rectifier Applicat. Note AN -939A in HEXFET Designer's Manual, Volume 1, HDM-1, El Segundo, CA, 1993, pp. 15-26.