LIGHTING SYSTEM WITH A CLAMPED CORRELATED COLOR TEMPERATURE SETTING

    公开(公告)号:US20230029240A1

    公开(公告)日:2023-01-26

    申请号:US17860904

    申请日:2022-07-08

    申请人: ERP POWER, LLC

    IPC分类号: H05B45/20 H05B45/10

    摘要: 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.

    MULTI-CHANNEL LED DRIVER WITH INTEGRATED LEDS HAVING A MULTILAYER STRUCTURE

    公开(公告)号:US20230012403A1

    公开(公告)日:2023-01-12

    申请号:US17849492

    申请日:2022-06-24

    申请人: ERP POWER, LLC

    IPC分类号: H05B45/14 H05B45/355

    摘要: An integrated multi-layered lighting system includes a first board having a first component area and a first light area, a second board coupled to and offset from the first board, the second board having a first opening overlapping the first light area of the first board in a plan view, and a second component area overlapping the first component area of the first board in a plan view, a plurality of light emitting diodes (LEDs) coupled to the first board and positioned in the first light area corresponding to the first opening of the second board, and a light driver configured to drive the plurality of LEDs and including a plurality of first components coupled to the first board and positioned in the first component area and a plurality of second components coupled to the second board and positioned in the second component area.

    DYNAMIC FILTERING OF DIMMABLE LED DRIVERS

    公开(公告)号:US20220418060A1

    公开(公告)日:2022-12-29

    申请号:US17834776

    申请日:2022-06-07

    申请人: ERP POWER, LLC

    IPC分类号: H05B45/14 H05B45/325

    摘要: A method of driving a light source by a light driver includes measuring a current output signal of the light driver, calculating a percent change in output signal, determining whether the percent change in output signal is greater than or equal to a first threshold, and in response to determining that the percent change in the output signal is greater than or equal to the first threshold, calculating a percent change in reference voltage based on a current reference voltage and a previous reference voltage, determining whether the percent change in reference voltage is less than a second threshold, and in response to determining that the percent change in reference voltage is less than the second threshold, deactivating filtering and averaging of a dimmer signal received from a dimmer for a period of time, and reactivating the filtering and the averaging of the dimmer signal.

    SEMI-CLOSED LOOP CURRENT SENSE AND CORRECTION

    公开(公告)号:US20220338323A1

    公开(公告)日:2022-10-20

    申请号:US17718155

    申请日:2022-04-11

    申请人: ERP POWER, LLC

    摘要: A light driver includes a converter configured to generate a drive current based on a rectified input signal for driving a light source, and an output correction circuit coupled to an output of the converter and configured to measure the drive current and to generate a correction signal to dynamically control a DC-level of the drive current of the converter based on the drive current and a reference signal corresponding to a desired DC-level of the drive current.

    VOLTAGE RIPPLE DETECTION AND DRIVER CONTROL FOR STABLE OUTPUT CURRENT

    公开(公告)号:US20220095431A1

    公开(公告)日:2022-03-24

    申请号:US17464505

    申请日:2021-09-01

    申请人: ERP POWER, LLC

    摘要: According to some embodiments, there is provided a power supply system including a converter configured to generate an output signal based on a rectified input signal for driving a light source, an output correction circuit coupled to an output of the converter and configured to measure a ripple in the output signal and to generate a correction signal to dynamically control a DC-level of the output signal of the converter based on the measured ripple and a reference signal corresponding to a desired DC-level of the output signal.

    LOAD-DEPENDENT ACTIVE GAIN CONTROL FOR POWER FACTOR CORRECTION

    公开(公告)号:US20220095430A1

    公开(公告)日:2022-03-24

    申请号:US17539862

    申请日:2021-12-01

    申请人: ERP POWER, LLC

    摘要: An active gain control circuit includes a dynamic voltage divider having a variable resistance configured to attenuate a rectified input line voltage to produce a reference signal, a filter-divider circuit configured to extract a DC-level attenuated reference voltage from the reference signal, and an operational amplifier configured to receive the DC-level attenuated reference voltage and a regulation voltage, and to generate a gate control signal based on a difference between the regulation voltage and the DC-level attenuated reference voltage, the variable resistance of the dynamic voltage divider being controlled by the gate control signal, and a comparison voltage generator configured to attenuate a comparison voltage to generate the regulation voltage.