Current clamp circuit based on BCD technology
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United States of America Patent
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Sep 5, 2017
Grant Date -
Aug 18, 2016
app pub date -
Aug 27, 2015
filing date -
Feb 13, 2015
priority date (Note) -
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Abstract
A current clamp circuit based on BCD technology includes a current-outputting circuit, an output-current-sensing circuit, and a current clamp circuit. The current-outputting circuit outputs a current to the output-current-sensing circuit. The output-current-sensing circuit senses the output current. When the current actually output by the current-outputting circuit is greater than a clamp current, the current clamp circuit outputs a current clamp feedback control signal to the current-outputting circuit, so as to clamp the output current clamp at a set value.
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