Systematic approach to optimal SC converter synthesis for multi voltage-gain-ratio applications

Synthesizing the switched-capacitor (SC) converter to perform certain voltage conversions is considered a challenge in SC converter design. This paper presents a systematic approach to synthesize an optimal SC converter for multiple voltage-gain-ratio (VCR) applications. The optimization methodology is based on the minimum number of components, i.e. capacitors and switches. This approach exploits the canonical model presented in [8] which ensures that the converter is using the minimum number of capacitors based on the Fibonacci fundamental limit. Moreover, using the method presented in this paper, the controller circuit of the designed SC converter is simplified. Case studies are presented to show how different SC converters can be synthesized.