CONFIGURABLE LED DRIVER/DIMMER FOR SOLID STATE LIGHTING APPLICATIONS

• US 20130300312A1
• Filed: 07/15/2013
• Published: 11/14/2013
• Est. Priority Date: 09/18/2008
• Status: Active Grant

• Current Assignee: Mate, LLC
• Original Assignee: David Tikkanen, Jason Neudorf, Kyle Grahame Hathaway, Steven Lyons
• Inventors: TIKKANEN, David, NEUDORF, Jason, LYONS, Steven, HATHAWAY, Kyle Grahame
• Granted Patent: US 9,049,759 B2
• Time in Patent Office: Days
• US Class Current: 315/247
• CPC Class Codes: H05B 45/10 Controlling the intensity of the light
• CPC Class Codes: H05B 45/30 Driver circuits
• CPC Class Codes: H05B 45/355 Power factor correction [PFC]; Reactive power compensation
• CPC Class Codes: H05B 45/37 Converter circuits
• CPC Class Codes: H05B 45/375 using buck topology
• CPC Class Codes: H05B 45/38 using boost topology
• CPC Class Codes: H05B 45/385 using flyback topology
• CPC Class Codes: H05B 45/60 Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED]

Abstract

The disclosure is directed at a configurable light emitting diode (LED) driver/dimmer for controlling a set of light fixture loads comprising: a power circuit; a primary digital controller for controlling the power circuit; a set of output current drivers, each of the set of output current drivers connected to one of the set of light fixture loads for controlling the associated light fixture load; a secondary digital controller for controlling the set of output current drivers; wherein the secondary controller transmits LED control information to control outputs of the set of output current drivers; and wherein the secondary digital controller provides digital feedback control information to the primary digital controller.

Claims

1. A configurable light emitting diode (LED) driver for powering a set of light fixture loads comprising:

a power circuit including;

an inrush current limit;

a DC/DC converter;

a power factor correction (PFC) boost connected to the inrush current limit and the DC/DC converter;

a regulated output voltage bus connected to the DC/DC converter;

a set of output current drivers, each of the set of output current drivers connected to one of the set of light fixture loads for powering the associated light fixture load;

and;

an apparatus for configuring the set of output current drivers to an output current set point.

2. The LED driver of claim 1 wherein the apparatus for configuring comprises at least one port associated with at least one of the set of output current drivers for configuration of the output current drivers.

3. The LED driver of claim 2 wherein the port is at least one in-circuit serial programming (ICSP) port.

4. The LED driver of claim 2 wherein the at least one port is connected to the set of output current drivers.

5. The LED driver of claim 2 wherein the apparatus for configuring programs the output current set point

6. The LED driver of claim 1 wherein the apparatus for configuring is integrated with a secondary controller.

7. The LED driver of claim 6 wherein the apparatus for configuring calibrates the current set point.

8. The LED driver of claim 1 wherein the output voltage bus is connected to at least one power limit

9. The LED driver of claim 1 wherein the set of output current drivers comprise a buck topology power converter.

10. The LED driver of claim 1 further comprising a housing portion for housing the components of the driver.

11. The LED driver of claim 10 wherein the apparatus for configuring is integrated with the housing portion.

12. The LED driver of claim 6 further comprising a communication interface for receiving data from an external transmitter

13. The LED driver of claim 12 wherein the communication interface is either DMX512A, 0-10Vdc analog control, Zigbee wireless or Remote Device Management (RDM) compatible.

14. The LED driver of claim 12 comprising a means to map output current drivers to various dimming zones for DMX512A control.

15. The LED driver of claim 12 comprising a means to map output current drivers to various dimming zones for 0-10 Vdc control.

16. The LED driver of claim 12 comprising an auxiliary flyback converter to provide power to the primary controller, secondary controller and communication interface

17. The LED driver of claim 1 wherein the light fixture load is one of an Organic LED (OLED) load or an LED load.

18. The LED driver of claim 6 wherein the primary and secondary controllers are digital controllers.

19. The LED driver of claim 18 wherein the primary digital controller can disable the PFC boost and DC/DC Converter at zero light intensity state.

20. A configurable light emitting (LED) driver for powering a set of light fixture loads comprising:

a power circuit including;

an inrush current limit;

a DC/DC converter;

a power factor correction (PFC) boost connected to the inrush current limit and the DC/DC converter;

a regulated output voltage bus connected to the DC/DC converter; and

at least one power limit connected to the output voltage bus; and

a set of output current drivers, each of the set of output current drivers connected to one of the set of light fixture loads for powering the associated light fixture load.