Abstract: A light driver includes a phase-cut detector configured to determine whether phase-cut dimming is present at an input of the light driver and to generate a phase-cut detection signal in response to presence of the phase-cut dimming; and a channel controller coupled to the phase-cut detector and configured to perform receiving a current correlated color temperature (CCT) value for adjusting a CCT of an output light of a light source coupled to the light driver; and in response to receiving the phase-cut detected signal from the phase-cut detector, disregarding the CCT value by maintaining a fixed CCT at the output light and adjusting an intensity of the output light based on a level of phase-cutting at the input of the light driver.

Abstract: A lighting system includes a power supply configured to receive an AC input signal and to generate a rectified signal; a light driver configured to generate a drive signal to drive a light source based on the rectified signal; and a housing configured to encapsulate the power supply and the light driver, the housing including a heatsink base forming a bottom portion of the housing and a case cover forming a top portion of the housing, the heatsink base being configured to channel heat away from the lighting system, the heatsink base including a base plate; and a pedestal structure protruding from the base plate toward the case cover.

Abstract: A method of driving a light source by a light driver includes determining a dimming value based on an input from a phase-cut dimmer at the input of the light driver, determining an offset for a dimmer transfer function of the light driver based on the dimming value and a minimum set point of the dimmer transfer function, applying the offset to the dimmer transfer function of the light driver to generate an adjusted dimmer transfer function, and determining a target light output of the light source based on the dimming value and the adjusted dimmer transfer function.

Abstract: A lighting system includes a power supply configured to receive an AC input signal and to generate a rectified signal; a light driver configured to generate a drive signal to drive a light source based on the rectified signal; and a housing configured to encapsulate the power supply and the light driver, the housing including a heatsink base forming a bottom portion of the housing and a case cover forming a top portion of the housing, the heatsink base being configured to channel heat away from the lighting system, the heatsink base including a base plate; a base post configured to couple the base plate and the case cover; and a base sidewall extending from the base plate and configured to mate with cover sidewalls of the case cover.

Abstract: A lighting system including a power supply configured to receive an AC input signal and to generate a rectified signal; a light driver configured to generate a drive signal based on the rectified signal; a light source configured to emit light based on the drive signal; and a housing configured to encapsulate the power supply and the light driver and the light source, the housing including a heatsink base configured to channel heat away from the lighting system, the heatsink base including a base plate, and a pedestal structure protruding from the base plate toward an interior of the housing.

Abstract: A programming device includes a plurality of signal lines including a first signal line and a common ground line, and a first programming circuit coupled between the first signal line and the common ground line, and including a first configurable switch configured to receive a first switch configuration, the first programming circuit being configured to receive a first power signal from the first signal line and to supply a first programming signal to the first signal line, the first programming signal having a level corresponding to the first switch configuration.

Abstract: A programmable lighting system includes a plurality of color channels configured to generate light of different colors, and a light driver configured to drive the plurality of color channels according to a dimmer setting and a correlated color temperature (CCT) setting, and to maintain a constant maximum lumen output across a range of CCT values based on a dim-stop limit.

Abstract: A lighting system includes a power supply configured to receive an AC input signal and to generate a rectified signal; a light driver configured to generate a drive signal to drive a light source based on the rectified signal; and a housing configured to encapsulate the power supply and the light driver, the housing including a heatsink base configured to be attached to a heatsink mount.

Abstract: A lighting system includes a converter configured to receive a rectified input voltage and to generate an output voltage based on a control signal; a primary controller configured to generate the control signal to adjust the output voltage of the converter; and a startup circuit configured to power the primary controller based on the rectified input voltage in response to the output voltage being below a threshold, and to power the primary controller based on the output voltage in response to the output voltage being greater than or equal to the threshold.

Abstract: A lighting system includes a converter configured to receive a rectified input voltage and to generate an output voltage based on a gate control signal; a PFC controller including a zero-crossing input, and configured to generate the gate control signal to adjust the output voltage of the converter based on a zero-crossing voltage at the zero-crossing input; a zero-crossing delay circuit coupled between an output of the converter and the zero-crossing input, and configured to slow a rate of change of the zero-crossing voltage based on one or more delay control signals; and a channel controller configured to identify a low-load state of the lighting system, and, in response, to generate the one or more delay control signals.

Abstract: A programmable lighting system includes a plurality of color channels configured to generate light of different colors, and a light driver configured to drive the plurality of color channels according to a dimmer setting and a correlated color temperature (CCT) setting, and to maintain a constant maximum lumen output across a range of CCT values based on a dim-stop limit.

Abstract: A sensor board includes a plurality of sensors configured to sense parameters from the environment and to generate sensory outputs, a transmission circuit configured to receive sensory output from the plurality of sensors and to generate sensor data for transmission to a light driver through a wired connection, and a regulator configured to receive a variable input voltage and to generate a regulated voltage for powering the plurality of sensors and the transmission circuit.

Abstract: A lighting system includes a power supply configured to receive an AC input signal and to generate a rectified signal; a light driver configured to generate a drive signal to drive a light source based on the rectified signal; and a housing configured to encapsulate the power supply and the light driver, the housing including a heatsink base configured to be attached to a heatsink mount.

Abstract: A programmable lighting system includes a plurality of color channels configured to generate light of different colors, and a light driver configured to drive the plurality of color channels according to a dimmer setting and a correlated color temperature (CCT) setting, and to maintain a constant maximum lumen output across a range of CCT values based on a dim-stop limit.

Abstract: A light driver includes a converter configured to generate a drive signal for powering a light source based on a control signal, a modular controller board electrically coupled to a sensor board and configured to receive sensor data from the sensor board and to generate a first sensor control signal corresponding to the sensor data, and a primary controller configured to control the converter by generating the control signal based on the first sensor control signal.

Abstract: A multi-channel power supply system includes a power supply circuit configured to generate a drive signal for powering a plurality of color channels based on an input power signal, a channel controller configured to generate a first pulse width modulated (PWM) signal for controlling an output light intensity of a first color channel of the plurality of color channels, a filter circuit configured to generate a first pseudo-sawtooth signal based on the first PWM signal, and a first current control circuit coupled to a first color channel of the plurality of color channels and configured to adjust a first channel current of the first color channel based on the drive signal and the first pseudo-sawtooth signal.

Abstract: A light driver includes a converter configured to generate a drive signal for powering a light source based on a control signal, a modular controller board electrically coupled to a sensor board and configured to receive sensor data from the sensor board and to generate a first sensor control signal corresponding to the sensor data, and a primary controller configured to control the converter by generating the control signal based on the first sensor control signal.

Abstract: A lighting system includes a light engine including a correlated color temperature (CCT) terminal configured to transmit a first power signal having a first variance and to receive a CCT signal, the light engine being configured to emit light according to the CCT signal, and a CCT clamp coupled to the CCT terminal, and configured to receive the first power signal and to generate the CCT signal having a second variance, the first variance of the first power signal being greater than the second variance of the CCT signal.

Abstract: A multi-channel power supply system includes a power supply circuit configured to generate a drive signal for powering a plurality of color channels based on an input power signal, a channel controller configured to generate a first pulse width modulated (PWM) signal for controlling an output light intensity of a first color channel of the plurality of color channels, a filter circuit configured to generate a first pseudo-sawtooth signal based on the first PWM signal, and a first current control circuit coupled to a first color channel of the plurality of color channels and configured to adjust a first channel current of the first color channel based on the drive signal and the first pseudo-sawtooth signal.

Abstract: A programmable lighting system includes a plurality of color channels configured to generate light of different colors, and a light driver configured to drive the plurality of color channels according to a dimmer setting and a correlated color temperature (CCT) setting, and to maintain a constant maximum lumen output across a range of CCT values based on a dim-stop limit.