Current balancing circuit and method

Details Current balancing circuit and method Current balancing circuit and method

2008-11-05

2011-12-27

Laxton, Gary L (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S213000, C323S284000

Reexamination Certificate

active

08085015

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 has a pulse width modulation circuit, a current ordering circuit, and a plurality of currents, wherein each current of the plurality of currents has an associated phase. The converter determines the phase associated with one or more currents of a plurality of currents and whether a phase associated with one or more currents of the plurality of currents is active. The current levels of the plurality of currents are determined and a phase associated with a current having one of a lowest current level or a highest current level is activated.

REFERENCES:
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patent: 7923974 (2011-04-01), Martin et al.
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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