Integrated Charge-Control Single-Inductor Dual-Output Step-Up/Step-Down Converter

Koon, Suet-Chui; Lam, Yat-Hei; Ki, Wing-Hung

doi:10.1109/iscas.2005.1465276

Cited by 41 publications

(28 citation statements)

References 1 publication

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“…SIMO DC-DC converters [1][2][3] can provide a compact, high efficiency and low cost solution for portable applications. The design methodology of SIMO DC-DC converters is to minimize cross regulation and the number of switches [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

“…The design methodology of SIMO DC-DC converters is to minimize cross regulation and the number of switches [1][2][3]. Therefore, it is a challenge for SIMO DC-DC converters to provide one buck and one boost outputs at the same time when the design is limited to minimized the number of switches and cross regulation.…”

Section: Introductionmentioning

confidence: 99%

“…The design of SIDO converter that contains one buck and one boost outputs [1] provides a solution with minimized the number of switches and the value of cross regulation. It is interesting to use only four switches to deliver two outputs (one buck and one boost outputs) like the other SIDO converters with two boost outputs.…”

Section: Introductionmentioning

confidence: 99%

“…Thus, the proportional-integrator (PI) compensator can be used to extend the system bandwidth. However, the instability problem may happen in the SIMO converters [1][2][3] when the inductor current cannot be decreased because the energy stored in the inductor cannot be released. The energy is accumulated in the inductor when the buck output gets energy.…”

Section: Introductionmentioning

confidence: 99%

“…Thus, the instability problem occurs and the regulation is deteriorated. Besides, the power conversion is seriously decreased at light load condition due to fixed and large dc level for pseudo-continuous conduction mode (PCCM) operation [1]. In the meanwhile the output ripples are enlarged owing to slow response of the comparators and large dc current in the inductor.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Single-inductor dual-output (SIDO) DC–DC converters for minimized cross regulation and high efficiency in soc supplying systems

Huang

Chen

2008

Analog Integr Circ Sig Process

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A compact size and high efficiency singleinductor dual-output (SIDO) DC-DC converter is proposed. The proposed SIDO DC-DC converter not only provides dual output sources (one buck and one boost outputs) but also has minimized cross regulation without using any external compensation components. Generally speaking, it is important to minimize the number of components and footprint area in the design of SIDO converters. However, usually large external compensation resistors and capacitors are required to stabilize DC-DC converters. Importantly, our proposed hysteresis mode operation can effectively avoid the oscillation problems that may exist in many SIMO designs. Furthermore, the dynamic dc current level like that in the continuous conduction mode (CCM) operation can make the proposed SIDO DC-DC converter achieve high conversion efficiency at light loads owing to small conduction loss. Experimental results show a high efficiency from 85% at light loads to 94% at heavy loads.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Single-inductor dual-output (SIDO) DC–DC converters for minimized cross regulation and high efficiency in soc supplying systems

Huang

Chen

2008

Analog Integr Circ Sig Process

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Design and implementation of a digitally controlled single‐inductor dual‐output (SIDO) buck converter

Tsai

Yang

Leng³

2012

Circuit Theory & Apps

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This paper describes design and implementation of a digitally controlled single-inductor dual-output (SIDO) buck converter operating in discontinuous conduction mode. This converter adopts time-multiplexing control in providing two independent output voltages using only an inductor. The design issues of the digital controller are discussed, including static and dynamic characteristics. Implementation of the controller, a modified hybrid digital pulse width modulator and a single look-up table are developed. The digital controller was implemented on a field-programmable gate array-based control board. Experimental results demonstrating system validity are presented for a SIDO buck converter with nominal 3.6 V input voltage, and the outputs are regulated at 1.8 and 2.2 V.

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Signal flow graph modelling of a switching converter with single inductor triple output DC–DC structure

Abbasi

Afifi

Pahlavani

2018

IET Power Electronics

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This study describes the systematic signal flow graph (SFG) modelling of a single inductor triple output (SITO) DC/DC converters. The multi-stages operation of SITO converter and the parasitic elements cause obtaining a model to predict the all behaviours of converter be more difficult than typical converters. By SFG method, all small-signal transfer functions can be derived. Derivations of large-signal, small-signal and steady-state models are demonstrated by considering a single inductor triple output boost/boost convert. The effect of inductor ripple current has been considered to determine the acceptable region of SFG modelling method. Simulation and experimental results are included to show the validity of the obtained model.

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Integrated Charge-Control Single-Inductor Dual-Output Step-Up/Step-Down Converter

Cited by 41 publications

References 1 publication

Single-inductor dual-output (SIDO) DC–DC converters for minimized cross regulation and high efficiency in soc supplying systems

Single-inductor dual-output (SIDO) DC–DC converters for minimized cross regulation and high efficiency in soc supplying systems

Design and implementation of a digitally controlled single‐inductor dual‐output (SIDO) buck converter

Signal flow graph modelling of a switching converter with single inductor triple output DC–DC structure

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