Apparatus, Method and System for Providing Power to Solid State Lighting

A lighting system, the system couplable to a power source, the system comprising:

• a primary module comprising a transformer having a transformer primary;
• a first light emitting diode;
• a second light emitting diode;
• a first secondary module coupled in series to the first light emitting diode, the first secondary module comprising a first transformer secondary magnetically coupled to the transformer primary;
• a second secondary module coupled in series to the second light emitting diode, the second secondary module comprising a second transformer secondary magnetically coupled to the transformer primary, the second secondary module coupled in series through the first or second light emitting diode to the first secondary module;
• a current sensor adapted to sense a current level;
• and
• a controller coupled to the current sensor and to the primary module, the controller adapted to regulate a transformer primary current in response to the sensed current level.

An apparatus for power conversion, the apparatus couplable to a power source and to a plurality of light emitting diodes, the apparatus comprising:

• a primary module comprising a transformer having a transformer primary;
• a first secondary module couplable in series to a first light emitting diode of the plurality of light emitting diodes, the first secondary module comprising:
• a first transformer secondary magnetically coupled to the transformer primary, a first rectifier coupled to the first transformer secondary, and a first filter coupled to the first rectifier;
• a second secondary module couplable in series to a second light emitting diode of the plurality of light emitting diodes, the second secondary module couplable in series through the first or second light emitting diode to the first secondary module, the second secondary module comprising:
• a second transformer secondary magnetically coupled to the transformer primary, a second rectifier coupled to the second transformer secondary, and a second filter coupled to the second rectifier;
• a current sensor adapted to sense a current level;
• a controller coupled to the current sensor and to the primary module, the controller adapted to regulate a transformer primary current in response to the sensed current level;
• a first bypass circuit coupled to the first secondary module;
• and
• a second bypass circuit coupled to the second secondary module.

A method of providing power to a plurality of light emitting diodes, the method comprising:

• routing current from a first secondary module to a first light emitting diode coupled in series to the first secondary module to generate a first voltage across the first light emitting diode having an opposing polarity to a second voltage across the first secondary module;
• routing current from the first light emitting diode to a second secondary module coupled in series to the first light emitting diode;
• routing current from the second secondary module to a second light emitting diode coupled in series to the second secondary module to generate a third voltage across the second light emitting diode having an opposing polarity to a fourth voltage across the second secondary module;
• and
• routing current from the second light emitting diode to the first secondary module or to a third secondary module coupled in series to the second light emitting diode.