Invention Grant
US08907592B2 Power systems for driving light emitting diodes and associated methods of control 有权
用于驱动发光二极管的电力系统和相关联的控制方法

Power systems for driving light emitting diodes and associated methods of control
Abstract:
Embodiments of LED driver circuits and the associated methods are disclosed herein. In one embodiment, the LED driver circuit comprises a switch-mode converter, a controller, a feedback circuit, and a gating circuit. The feedback circuit includes a current balance circuit. The gating circuit is responsive to both a current feedback signal and a voltage feedback signal and is configured to select one of them as the feedback signal.
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