# US 9,049,759 B2 · Configurable LED driver/dimmer for solid state lighting applications > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,049,759 B2 - Document ID: US9049759B2 - Status: Granted - Kind: B2 - Application number: 13/941,871 - Filed: 2013-07-15 - Published: 2013-11-14 - Granted: 2015-06-02 - Earliest claimed: 2008-09-18 - Assignees: Lumastream Canada Ulc - Applicants: Lumastream Canada ULC - Inventors: David Tikkanen; Jason Neudorf; Steven Lyons; Kyle Grahame Hathaway - Web page: https://patentgrep.com/patent/US9049759B2 ## CPC - H05B 45/355: Power factor correction [PFC]; Reactive power compensation - H05B 45/10: Controlling the intensity of the light - H05B 45/37: Converter circuits - 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] - H05B 45/30: Driver circuits - H05B 45/375: using buck topology - H05B 45/38: using boost topology - H05B 45/385: using flyback topology - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL ## Abstract A configurable light emitting diode (LED) driver for powering a set of light fixture loads comprising a power circuit which includes an inrush current limit and a DC/DC convertor, 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 a primary digital controller for controlling the power circuit. The driver further includes 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. The driver also includes an apparatus for configuring the set of output current drivers to an output current set point and at least one power limit connected to the regulated output voltage bus. ## Claims ### Claim 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 primary 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 powering the associated light fixture load, and; an apparatus for configuring the set of output current drivers to an output current set point. ### Claim 2 (depends on 1) 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. ### Claim 3 (depends on 2) The LED driver of claim 2 wherein the port is at least one in-circuit serial programming (ICSP) port. ### Claim 4 (depends on 2) The LED driver of claim 2 wherein the at least one port is connected to the set of output current drivers. ### Claim 5 (depends on 2) The LED driver of claim 2 wherein the apparatus for configuring programs the output current set point. ### Claim 6 (depends on 1) The LED driver of claim 1 wherein the apparatus for configuring is integrated with a secondary controller. ### Claim 7 (depends on 6) The LED driver of claim 6 wherein the apparatus for configuring calibrates the current set point. ### Claim 8 (depends on 6) The LED driver of claim 6 further comprising a communication interface for receiving data from an external transmitter. ### Claim 9 (depends on 8) The LED driver of claim 8 wherein the communication interface is either DMX512A, 0-10Vdc analog control, Zigbee wireless or Remote Device Management (RDM) compatible. ### Claim 10 (depends on 8) The LED driver of claim 8 comprising a means to map output current drivers to various dimming zones for DMX512A control. ### Claim 11 (depends on 8) The LED driver of claim 8 comprising a means to map output current drivers to various dimming zones for 0-10 Vdc control. ### Claim 12 (depends on 8) The LED driver of claim 8 comprising an auxiliary flyback converter to provide power to the primary controller, secondary controller and communication interface. ### Claim 13 (depends on 6) The LED driver of claim 6 wherein the primary and secondary controllers are digital controllers. ### Claim 14 (depends on 13) The LED driver of claim 13 wherein the primary digital controller can disable the PFC boost and DC/DC Converter at zero light intensity state. ### Claim 15 (depends on 1) The LED driver of claim 1 wherein the output voltage bus is connected to at least one power limit. ### Claim 16 (depends on 1) The LED driver of claim 1 wherein the set of output current drivers comprise a buck topology power converter. ### Claim 17 (depends on 1) The LED driver of claim 1 further comprising a housing portion for housing the components of the driver. ### Claim 18 (depends on 17) The LED driver of claim 17 wherein the apparatus for configuring is integrated with the housing portion. ### Claim 19 (depends on 1) The LED driver of claim 1 wherein the light fixture load is one of an Organic LED (OLED) load or an LED load. ### Claim 20 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; and at least one power limit connected to the regulated 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. ### Claim 21 (depends on 20) The LED driver of claim 20 wherein the at least one power limit comprises a current sensor. ### Claim 22 (depends on 21) The LED driver of claim 21 wherein the current sensor is monitored by a controller. ### Claim 23 (depends on 22) The LED driver of claim 22 wherein the controller includes an apparatus for configuring the regulated output voltage bus to a calibrated voltage. ### Claim 24 (depends on 20) The LED driver of claim 20 wherein the regulated output voltage bus and at least one power limit are enclosed within a housing. ### Claim 25 (depends on 24) The LED driver of claim 24 wherein the housing comprises a heatsink with fins.