Frank Pacquiao

user Test Engineer

city ISI


  • Dimming Power LED using a SEPIC Converter and MCP163 PIC Attach PWM Controller

  • Created: Jul 07, 2014

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Summary

The design technology used for this application will be the Single Ended Primary Inductive Controller or SEPIC technology. The SEPIC technology allows both buck and boost operation. This allows for a constant current drive output with variations in input voltage. The SEPIC uses a current sense feedback loop for efficient control. Microchip’s MCP1631HV Digitally Controlled Programmable Current Source Reference Design is used for this application.

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