Adaptive Current Control Timing and Responsive Current Control for Interfacing with a Dimmer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Dec 3, 2015
app pub date -
Jun 2, 2015
filing date -
Dec 14, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In at least one embodiment, an electronic system adapts current control timing for half line cycle of a phase-cut input voltage and responsively controls a dimmer current in a power converter system. The adaptive current control time and responsive current control provides, for example, interfacing with a dimmer. The electronic system and method include a dimmer, a switching power converter, and a controller to control the switching power converter and controls a dimmer current. In at least one embodiment, the controller determines a predicted time period from a zero crossing until a leading edge of a phase-cut input voltage and then responsively controls the dimmer current to, for example, reduce current and voltage perturbations (referred to as “ringing”), improve efficiency, and reduce an average amount of power handled by various circuit components.
First Claim
Other Claims data not available