Invention Grant
- Patent Title: Electronic circuits and methods for driving a diode load
- Patent Title (中): 用于驱动二极管负载的电子电路和方法
-
Application No.: US13096082Application Date: 2011-04-28
-
Publication No.: US08482225B2Publication Date: 2013-07-09
- Inventor: Gregory Szczeszynski
- Applicant: Gregory Szczeszynski
- Applicant Address: US MA Worcester
- Assignee: Allegro Microsystems, LLC
- Current Assignee: Allegro Microsystems, LLC
- Current Assignee Address: US MA Worcester
- Agency: Daly, Crowley, Mofford & Durkee, LLP
- Main IPC: H05B37/02
- IPC: H05B37/02
Abstract:
A circuit for driving an LED load with a controllable converter includes a control circuit configured to turn off the converter in response to a PWM signal having a first level and to turn on the converter in response to the PWM signal having a second level. A load disconnect switch coupled in series with the LED load is also controlled by the PWM signal so that the load disconnect switch is opened when the PWM signal turns off the converter to thereby open the load current path.
Public/Granted literature
- US20120274228A1 ELECTRONIC CIRCUITS AND METHODS FOR DRIVING A DIODE LOAD Public/Granted day:2012-11-01
Information query
