Apparatus for switching and protection of a load based on current rise speed
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United States of America Patent
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Mar 5, 2024
Grant Date -
Nov 3, 2022
app pub date -
Feb 20, 2020
filing date -
Feb 20, 2020
priority date (Note) -
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Abstract
An apparatus for switching and/or protection of a load connected to said apparatus, said apparatus (1) comprising: a power switch (5) through which the connected load receives an electrical current; a sensor component (4) connected in series with said power switch (5) and adapted to generate directly an electrical voltage drop corresponding to a current rise speed of the electrical current flowing via the sensor component (4) and via the power switch (5) to said load; and a driver circuit (6) adapted to detect an occurring overcurrent depending on a voltage drop generated by said sensor component (4) with or without a voltage drop along the power switch (5) and to switch off said power switch (5) upon detection of an overcurrent within a switch-off period to protect said power switch (5) and said load.
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