Browsing by Author "Zhaikhan, A."

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    An Algorithm Steps to Solve Coupled Case for Dual Input Dual Output SCC
    (2019) Zhaikhan, A.; Subburaj, V.; Mustafa, Y.; Jena, D.; Perumal, P.; Ruderman, A.
    The proposed converter is designed for low power applications. In this paper, the algorithm is proposed to solve the coupled case of dual input and the dual output converter. The major contribution is R-parameters calculation for the coupled case is deliberated in detail where it includes all conduction and ohmic losses accounting for coupling effects. To validate the performance of designed SCC, modeling and mathematical analysis has been carried out. The results are verified using PSIM simulations and validated mathematically. The analytical and simulation results give excellent proof for the newly designed coupled converter. � 2018 IEEE.
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    An Algorithm Steps to Solve Coupled Case for Dual Input Dual Output SCC
    (Institute of Electrical and Electronics Engineers Inc., 2018) Zhaikhan, A.; Subburaj, V.; Mustafa, Y.; Jena, D.; Parthiban, P.; Ruderman, A.
    The proposed converter is designed for low power applications. In this paper, the algorithm is proposed to solve the coupled case of dual input and the dual output converter. The major contribution is R-parameters calculation for the coupled case is deliberated in detail where it includes all conduction and ohmic losses accounting for coupling effects. To validate the performance of designed SCC, modeling and mathematical analysis has been carried out. The results are verified using PSIM simulations and validated mathematically. The analytical and simulation results give excellent proof for the newly designed coupled converter. © 2018 IEEE.
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    Design, modeling and analysis of a new dual input-output switched capacitor converter
    (2017) Zhaikhan, A.; Subburaj, V.; Jena, D.; Perumal, P.; Ruderman, A.
    A new dual-input and dual-output switched capacitor (SC) converter is designed to operate with two independent voltage sources that provides two different output voltages. The only converter generates 32 voltage conversion ratios (VCRs). The converter is portable to operate with one or two input sources alternatively and having the ability to vary 32 voltage ratios. An efficient low power SC converter is designed for input voltage of 1.5 V to 5 V that gives dual output voltages of 1 V to 10 V. The designed converter can operate in both buck and boost modes. This SC converter has high drive capability of load current from 10 ?A to 25 mA that is adjusted by operating frequency. Modeling, analysis are performed to verify the dual output converter mathematically and also verified using PSIM simulations. The mathematical results and simulation results show excellent proof of newly designed converter. � 2017 IEEE.
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    Design, modeling and analysis of a new dual input-output switched capacitor converter
    (Institute of Electrical and Electronics Engineers Inc., 2017) Zhaikhan, A.; Subburaj, V.; Jena, D.; Parthiban, P.; Ruderman, A.
    A new dual-input and dual-output switched capacitor (SC) converter is designed to operate with two independent voltage sources that provides two different output voltages. The only converter generates 32 voltage conversion ratios (VCRs). The converter is portable to operate with one or two input sources alternatively and having the ability to vary 32 voltage ratios. An efficient low power SC converter is designed for input voltage of 1.5 V to 5 V that gives dual output voltages of 1 V to 10 V. The designed converter can operate in both buck and boost modes. This SC converter has high drive capability of load current from 10 μA to 25 mA that is adjusted by operating frequency. Modeling, analysis are performed to verify the dual output converter mathematically and also verified using PSIM simulations. The mathematical results and simulation results show excellent proof of newly designed converter. © 2017 IEEE.
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    Investigation of a family of dual-output coupled/decoupled switched capacitor converter for low-power applications
    (Institution of Engineering and Technology JBristow@theiet.org, 2019) Subburaj, V.; Zhaikhan, A.; Jena, D.; Parthiban, P.; Mustafa, Y.; Ruderman, A.
    Here, accurate transresistance calculations for the coupled case and mathematical modelling are provided for dual input–output switched capacitor converter (SCC). This converter offers two different output voltages and produces 36 voltage conversion ratios. The dual input–output SCC is portable and operates by considering either sources or the combination of both Vs1 and Vs2 as input sources. The proposed dual input–output SCC has the ability to vary 54 voltage ratios. An efficient low-power SCC is designed for an input voltage range of 1.5–5 V and it gives dual-output voltages of 1–10 V. The proposed converter can operate in both buck and boost modes. The SCC has high drive capability of load current in the range of 10 µA to 100 mA that is adjusted by varying the operating frequency. The accurate equivalent resistance for both coupled and decoupled load cases is found and validated. The results are verified through PSIM simulations and validated experimentally. The mathematical, simulation, and experimental results give excellent proof for proposing the newly designed converter for applications requiring large conversion ratios eliminating inductors. © The Institution of Engineering and Technology 2018.
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    Two phase (reconfigurable) inverting switched capacitor converter for micro power applications and its accurate equivalent resistance calculation
    (Institute of Electrical and Electronics Engineers Inc., 2019) Subburaj, V.; Mustafa, Y.; Zhaikhan, A.; Jena, D.; Parthiban, P.; Ruderman, A.
    This brief addresses inverting switched capacitor converter (SCC) for driving the white light emitting diodes (WLEDs). The various voltage conversion ratios (VCRs) are selected to control the WLEDs blacklights, which helps to save the battery life. The major contribution are developing maximum VCRs for power converter integrated circuits (ICs) and equivalent resistance (Req) accurate calculation which includes all conduction and ohmic losses. Furthermore, inverting SCC (ISCC) experimental results are obtained from prototype model. Accurate Req analyses validates the accuracy of proposed topology. It is designed for low voltage of 10 mV to 0.1 V and it provides the output voltage of-100 mV to-0.5 V. Finally, the novelty of accurate Req calculation in this brief is that the calculation results are verified with experimental ones, particularly, at the transition region (between slow switching limit and fast switching limit). On the other hand, calculation, simulation and experimental results perfectly coincide with each other. Accurate equivalent resistance calculation and average current calculation are compared and some of the recent publications providing the merits of the proposed converter are explained. © 2018 IEEE.