Current driver and driving method
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 26, 2024
Grant Date -
Sep 29, 2022
app pub date -
Jun 19, 2020
filing date -
Jun 19, 2020
priority date (Note) -
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Abstract
A LED circuit comprises a current drive circuit for driving a current through the parallel combination of a LED arrangement and an output capacitor. An override arrangement overrides the current level setting to a default current level during start-up, and the override arrangement is disabled when a current flow is sensed by a sensor. The current setting of the driver is ignored until a threshold current is sensed through the LED arrangement. The delay associated with initial start-up charging of the output capacitor is thereby avoided.
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