Three-way OMNI-directional LED lamp driver circuit
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United States of America Patent
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May 2, 2017
Issued Date -
N/A
app pub date -
Apr 19, 2013
filing date -
Apr 19, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An LED driver circuit has a rectifier circuit including a first input terminal coupled to a first AC voltage line and a second input terminal coupled to a second AC voltage line. The rectifier circuit is configured to convert a first AC voltage on the first AC voltage line and a second AC voltage on the second AC voltage line to a DC voltage. The driver circuit has a switching circuit coupled to the first AC voltage line and to the second AC voltage line and configured to generate a reference AC voltage based on the first AC voltage and the second AC voltage. The driver circuit has a power management circuit configured to provide a current or power to an LED lamp based on the generated AC reference voltage. The driver circuit has a power supply circuit configured to provide a constant current or power to the power management circuit.
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