# On the Influence of Switch Resistances on Switched-Capacitor Converter Losses

@article{BenYaakov2012OnTI, title={On the Influence of Switch Resistances on Switched-Capacitor Converter Losses}, author={Shmuel Ben-Yaakov}, journal={IEEE Transactions on Industrial Electronics}, year={2012}, volume={59}, pages={638-640} }

The contribution of switch resistances to the losses in switched-capacitor converters (SCC) is reevaluated. The results reaffirm the crucial role that the switch resistances play in the design of open-loop and regulated SCC.

## Figures and Topics from this paper

## 106 Citations

Bidirectional multilevel switched-capacitor resonant converter based on SiC MOSFET switches

- Materials Science2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe)
- 2017

This paper presents the verification of a concept of operation and the in-depth analysis of the bidirectional multilevel switched capacitor converter with high voltage ratio and strongly limited…

Modeling Approaches for DC–DC Converters With Switched Capacitors

- Computer ScienceIEEE Transactions on Industrial Electronics
- 2015

Several approaches are studied that overcome the exposed modeling difficulties in the modeling of dc-dc converters with switched capacitors, addressing ideal and nonideal cases and using dynamic equations that are valid in a large-signal domain.

The effect of switching transitions on switched capacitor converters losses

- Materials Science2012 IEEE 27th Convention of Electrical and Electronics Engineers in Israel
- 2012

The contribution of the rise and fall times of switches to the losses of Switched Capacitors Converters was evaluated by an approximate analysis applying the equivalent resistance concept. It was…

Dual‐output switched capacitor converter model for cross‐regulation effects

- PhysicsElectronics Letters
- 2018

For a single-output switched capacitor converter (SCC) there is an accepted model for average output voltage that includes equivalent voltage source and output resistance. There is no such a model…

Optimization of a multi-target voltages switched capacitor converter

- Engineering2012 13th International Conference on Optimization of Electrical and Electronic Equipment (OPTIM)
- 2012

In this paper, an efficient voltage scalable switched capacitor converter (SCC) for 1.1V battery-powered system is presented. The SCC employs a binary resolution technique to step-down the input…

Switching strategies of a resonant switched-capacitor voltage multiplier

- Engineering2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe)
- 2017

This paper presents research results of switching strategies of a power electronic resonant zero current switching (ZCS) DC-DC switched-capacitor voltage multiplier (SCVM). The SCVM can operate under…

On Loss Mechanisms of Complex Switched Capacitor Converters

- Engineering, Computer ScienceIEEE Transactions on Circuits and Systems I: Regular Papers
- 2015

The theory explains the fact that was observed in experiments, that for low voltage conversion ratio values, efficiency decrease was measured, and it is shown that for these low voltage ratio values the mechanism associated to the off resistance of the switches is more dominant and reduces the efficiency.

On Energy Efficiency of Switched-Capacitor Converters

- EngineeringIEEE Transactions on Power Electronics
- 2013

The energy-efficiency issue of switched-capacitor converters is still a controversial topic that requires a more in-depth discussion. In this paper, we address the issue by dividing the analysis of…

Analysis and Optimization of Switched Capacitor Power Conversion Circuits With Parasitic Resistances and Inductances

- EngineeringIEEE Transactions on Power Electronics
- 2017

For a switched-capacitor converter (SCC) built by discrete components, its performance is inevitably influenced by parasitic resistances and stray inductances. A basic SCC unit including parasitic…

Title On Energy Efficiency of Switched-Capacitor Converters

- 2012

The energy-efficiency issue of switched-capacitor converters is still a controversial topic that requires a more in-depth discussion. In this paper, we address the issue by dividing the analysis of…

## References

SHOWING 1-10 OF 15 REFERENCES

Comments on "Unified Analysis of Switched-Capacitor Resonant Converters"

- Computer ScienceIEEE Trans. Ind. Electron.
- 2007

The realization of line and load regulation in switched-capacitor (SC)-based converters is discussed. A duty-cycle control is based on partial charging of the capacitors in the circuit. The influence…

Unified analysis of switched-capacitor resonant converters

- Engineering, Computer ScienceIEEE Transactions on Industrial Electronics
- 2004

A family of switched-capacitor resonant circuits using only two transistors is presented that offers a wide choice of voltage conversions including fractional as well as multiple and inverted voltage conversion ratios.

Steady-State Characteristics of Switched-Capacitor Electronic Converters

- Engineering, Computer ScienceJ. Circuits Syst. Comput.
- 1997

By performing a detailed analysis of switching-mode power supplies based on swithed-capacitor circuits, their fundamental steady-state characteristics are found. A few basic step-down and step-up c...

Optimal switch resistances in Switched Capacitor Converters

- Engineering2010 IEEE 26-th Convention of Electrical and Electronics Engineers in Israel
- 2010

Switched Capacitor Converters (SCC) losses are analyzed and the rules for the selection of SCC parameters (such as switch resistances, capacitors values and switching frequency) to meet specific…

A new visit to an old problem in switched-capacitor converters

- Engineering, Computer ScienceProceedings of 2010 IEEE International Symposium on Circuits and Systems
- 2010

It is shown in this paper that the claim that quasi-switched-capacitor converters are more lossy than switched-cap AC converters is a common misconception.

Analysis and Optimization of Switched-Capacitor DC–DC Converters

- EngineeringIEEE Transactions on Power Electronics
- 2008

Analysis methods are developed that fully determine a switched-capacitor (SC) dc-dc converter's steady-state performance through evaluation of its output impedance. This analysis method has been…

Generic and unified model of Switched Capacitor Converters

- Engineering2009 IEEE Energy Conversion Congress and Exposition
- 2009

A generic modeling methodology that analyzes the losses in Switched Capacitors Converters (SCC) was developed and verified by simulation and experiments. The proposed analytical approach is unified,…

Switched-capacitor power supplies: DC voltage ratio, efficiency, ripple, regulation

- Engineering1996 IEEE International Symposium on Circuits and Systems. Circuits and Systems Connecting the World. ISCAS 96
- 1996

A comprehensive and accurate steady-state analysis of a step-up DC-DC switched-capacitor power converter is performed. No approximations, such as average techniques, are invoked. Parasitic elements…

Development of a switched-capacitor DC/DC boost converter with continuous input current waveform

- Engineering
- 1999

A new switched-capacitor (SC)-based dc/dc boost converter is presented. It features good regulation capability and continuous input current, giving lower conducted electromagnetic interference with…

A Novel Capacitor-Switched Regenerative Snubber for DC/DC Boost Converters

- Engineering, Computer ScienceIEEE Transactions on Industrial Electronics
- 2011

A new regenerative-snubber circuit is proposed that greatly reduces the switching losses of the insulated-gate bipolar transistor in the boost converter, so that high-switching-frequency operation can be achieved.