Invention Grant
- Patent Title: Dimming circuit for a phase-cut TRIAC dimmer
- Patent Title (中): 相位切割TRIAC调光器调光电路
-
Application No.: US14333620Application Date: 2014-07-17
-
Publication No.: US09271353B2Publication Date: 2016-02-23
- Inventor: Timothy Chen , Haiyan Wang
- Applicant: Timothy Chen , Haiyan Wang
- Applicant Address: US OH Aurora
- Assignee: TECHNICAL CONSUMER PRODUCTS, INC.
- Current Assignee: TECHNICAL CONSUMER PRODUCTS, INC.
- Current Assignee Address: US OH Aurora
- Agency: Thompson Hine LLP
- Main IPC: H05B33/08
- IPC: H05B33/08 ; H05B41/28 ; B23H1/02

Abstract:
A dimmer circuit for at least one LED is disclosed. The LED is controlled by a TRIAC dimmer. A leakage current flows through the TRIAC dimmer if the TRIAC dimmer is off. The dimmer circuit include inputs for receiving a source of incoming AC power, a rectifier for receiving the source of incoming AC power and producing a DC voltage, a controller for receiving the DC voltage from the rectifier and providing a switching signal, a first circuit, and a loading circuit. The first circuit receives the switching signal from the controller. The first circuit includes a first switching element that is selectively activated based on the switching signal. The loading circuit receives the switching signal from the controller. The loading circuit includes a second switching element that is activated if the first switching element is deactivated. The loading circuit selectively provides a minimum loading current.
Public/Granted literature
- US20150351174A1 DIMMING CIRCUIT FOR A PHASE-CUT TRIAC DIMMER Public/Granted day:2015-12-03
Information query