Back to results
US 12,184,058 B2Granted
Protection circuit, battery pack, and protection circuit operating method
AssigneeDexerials Corporation
InventorsYuji Furuuchi, Chisato Komori
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneeDexerials Corporation
InventorsYuji Furuuchi, Chisato Komori
Estimating the term…
Provided is a protection circuit capable of reliably preventing an overcurrent or a sneak current after cutoff to improve safety, implementing cost reduction with a device configuration simpler than conventional device configurations, and further reducing a failure rate of a device. In a protection circuit, after one of two fuse elements provided in each of a plurality of protection elements is blown due to an overcurrent flowing along a current-carrying path, a heater provided in at least one of the plurality of protection elements generates heat due to a sneak current flowing via the plurality of protection elements on the current-carrying path which is remained and blows the other of the two fuse elements provided in the at least one of the plurality of protection elements.
A protection circuit comprising:
A method of operating a protection circuit including a plurality of protection elements connected in parallel on a current-carrying path between a battery and an external circuit, the method comprising:
Dependencies are inferred from the claim text.