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US 10,219,332 B2Granted
Constant-current constant-voltage (CCCV) control unit power supply
AssigneeGardenia Industrial Limited
InventorShu Rong Ouyang
Life of this patent
Estimating the term…
Abstract
A power supply includes an AC input power connector; an AC-DC converter circuit coupled to the AC input power connector; a constant-current constant-voltage control unit configured to receive DC power from the AC-DC converter circuit; a light emitting diode (LED) lamp unit configured to receive power from the constant-current constant-voltage control unit; and a capacitor coupled in parallel with the LED lamp unit.
Claims20
A power supply comprising:
- a constant-current constant-voltage control unit;
- a light emitting diode (LED) lamp unit configured to receive power from a first output terminal and a second output terminal of the constant-current constant-voltage control unit;
- and
- a capacitor coupled in parallel with the LED lamp unit to reduce flickering of the LED lamp unit.
1 more element
A power supply comprising:
- a constant-current constant-voltage control unit;
- a light emitting diode (LED) lamp unit configured to receive power from a first output terminal and a second output terminal of the constant-current constant-voltage control unit;
- a capacitor coupled in parallel with the LED lamp unit to reduce flickering of the LED lamp unit;
- and
- a second constant-current constant-voltage control unit configured to receive DC power from an AC-DC converter circuit and configured to supply power to the LED lamp unit in parallel with the constant-current constant-voltage control unit.
2 more elements
Dependencies are inferred from the claim text.