Conversion systems with balanced cell currents

Details Conversion systems with balanced cell currents Conversion systems with balanced cell currents

2011-06-21

2011-06-21

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Battery or cell charging

With thermal condition detection

C320S116000, C320S157000, C320S162000, C324S429000, C324S430000, C324S433000

Reexamination Certificate

active

07965061

ABSTRACT:
A conversion system includes a conversion circuit coupled to multiple cells for generating multiple sampling signals indicative of the cell voltages of the cells respectively. Each sampling signal is with respect to the same reference level. In addition, the conversion system includes a compensation circuit coupled to the conversion circuit for generating a compensation current that flows through at least one cell of the multiple cells via the conversion circuit for balancing the currents respectively flowing through the cells.

REFERENCES:
patent: 2006/0082343 (2006-04-01), Sobue et al.
patent: 2007/0030056 (2007-02-01), Sobue et al.
patent: 2008/0088277 (2008-04-01), Wang et al.
patent: 2008/0100266 (2008-05-01), Sobue
patent: 1449085 (2003-10-01), None
patent: 0992811 (2000-04-01), None
English Translation for Abstract of CN1449085A, 2003.
English Translation for First Office Action of Chinese Patent Application No. 200910005576.6, 2003.

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