Electrical resource device and load driving device
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United States of America Patent
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-
Jul 18, 2006
Grant Date -
Apr 17, 2003
app pub date -
Sep 18, 2002
filing date -
Sep 28, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrical resource device of the present invention includes a current restriction portion for restricting current flowing in a semiconductor element based on a predetermined overcurrent restriction threshold by controlling the semiconductor element when the current detected by a current detecting portion exceeds the predetermined overcurrent restriction threshold. The predetermined overcurrent restriction threshold is defined based on a relationship between time and a change of a destruction current amount by which wiring may be destroyed, and is determined to be under the destruction current. Therefore, it is possible to prevent the wiring from being destroyed.
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