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Digital PWM control implementation for System on Chip devices

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1 Author(s)
Gabriel Chindris ; Applied Electronics Department, Technical University of Cluj-Napoca, Cluj-Napoca, Romania. gabriel.chindris@ael.utcluj.ro

Nowadays, PWM control circuits are usually embedded into a microprocessor or a system-on-chip core. It is up to designer's choice to evaluate precisely the quantity of resources required for such an implementation and how much the control function and/or the power topology influence this decision. The paper proposes a method of evaluation for resource usage in case of different control functions for a PWM controlled switch power supply. Starting from the basic functional equations for a closed loop PWM controlled system, calculations and simulations steps can provide a solution for digital PWM implementation.

Published in:

2007 30th International Spring Seminar on Electronics Technology (ISSE)

Date of Conference:

9-13 May 2007