Circuits and methods for monitoring multi-cell battery packs
A voltage detection circuit can include a status sensing network and a comparing network. The status sensing network can simultaneously detect a cell voltage for each battery cell of a plurality of battery cells. The comparing network can simultaneously compare the detected cell voltages with a predetermined voltage threshold by comparing the maximum of the cell voltages with a first (high-voltage) threshold, and by comparing the minimum of the cell voltages with a second (low-voltage) threshold. The comparing network can also generate an indication signal when a cell voltage does not satisfy the respective voltage threshold.
O2Micro Inc
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G01R G01R
inventional inventional
Guo Xing
Li