Current balancing circuit and method

Details Current balancing circuit and method Current balancing circuit and method

2008-11-05

2011-11-22

Patel, Rajnikant (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S272000

Reexamination Certificate

active

08063621

ABSTRACT:
A multi-phase power converter and a method for balancing a plurality of currents in the multi-phase power converter. The multi-phase power converter that includes a pulse width modulator coupled to an oscillator. A plurality of currents are generated in response to output signals from the pulse width modulator. The levels of the currents are sensed and a sense signal is transmitted to the pulse width modulator. Switching circuitry within the pulse width modulator switches signals from the oscillator in accordance with the current levels, the levels of the signals from the oscillator, and whether at least one of the signals from the oscillator is either rising or falling.

REFERENCES:
patent: 7301400 (2007-11-01), Dening
Abu-Qahouq et al., Multiphase Voltage-Mode Hysteretic Controlled DC-DC Converter With Novel Current Sharing, IEEE Transactions on Power Electronics, vol. 19, No. 6, Nov. 2004.
Sun, Dynamic Performance Analyses of Current Sharing Control for DC/DC Converters, Dissertation submitted to the Faculty of the Virginia Polytechnic Institute and State University in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Engineering. Jun. 13, 2007; Blacksburg, Virginia.

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