High-Voltage Tolerant Digitally Aided DCM/PWM Multiphase DC-DC Boost Converter With Integrated Schottky Diodes in 0.13 µm 1.2 V Digital CMOS Process

Bhatia, Deepak; Lin, Xue; Li, Pengfei; Wu, Qiuzhong; Bashirullah, Rizwan

doi:10.1109/jssc.2013.2237699

Cited by 15 publications

(7 citation statements)

References 23 publications

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“…In comparison to [19], [20] much higher power processing is implemented in the presented work and it achieves much higher efficiency. Although the converter presented in [19], [20] operates at extremely high frequencies and in the DCM mode which should enable a higher integration level, it still fails to achieve the complete integration, i.e.…”

Section: Resultsmentioning

confidence: 99%

“…Although the converter presented in [19], [20] operates at extremely high frequencies and in the DCM mode which should enable a higher integration level, it still fails to achieve the complete integration, i.e. the integration of the reactive elements.…”

Section: Resultsmentioning

confidence: 99%

“…Multi-phase dc-dc converters [9]- [20] having at least control functionality on-chip integrated employed different control laws, were targeting different applications and were implemented in various technologies. The comparison of fullyintegrated multi-phase buck converters is summarised in Tab.…”

Section: Introductionmentioning

confidence: 99%

“…A distinct example is [19], re-published in [20], in which a 100 MHz digitally assisted four-phase switchedinductor boost converter has been presented. It delivered 240 mW from a 1.2 V supply to load voltages of 3 to 5 V with a peak efficiency of 64 %.…”

Section: Introductionmentioning

confidence: 99%

“…In addition to [19], [20], a current state-of-the-art of integrated multi-phase boost converters has been defined by an industrial solution of an interleaved boost dc-dc converter with built-in maximum power point tracking (MPPT) algorithm [21]. Moreover, this solution is dedicated to photovoltaic panel applications thus giving another axis for comparison with this work.…”

Section: Introductionmentioning

confidence: 99%

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A Nonlinear Average-Current-Controlled Multiphase Boost Converter With Monolithically Integrated Control and Low-Side Power Switches in 0.35-<inline-formula> <tex-math notation="LaTeX">$\mu $ </tex-math></inline-formula>m HV CMOS for the Automotive Sector

Nikolic

Enne

Goll

et al. 2015

IEEE J. Emerg. Sel. Topics Power Electron.

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The paper reports the first multi-phase implementation based on recently proposed nonlinear average current control (NACC) for power factor correction and dc-dc converters. A multi-phase boost dc-dc converter with control and low-side power switches integrated on the same die using the AMS 0.35µm HV CMOS process is designed and introduced. The converter benefits from using an analogue current controllers that are very simple, insensitive to noise and independent of converter and control design parameters. Multi-phase operation enables effectively higher operating frequency (seen from the converter input and output) which in turn enables smaller reactive components to be selected. The converter is dedicated for supplying the electric vehicle auxiliary board net (12 V) from the photovoltaic cell stack input allowing a maximum power of 40 W to be transferred at 500 kHz switching frequency of each phase (effectively at 1.5 MHz). Maximum power point tracking (MPPT) is performed as the converter global control at~7.5 kHz, while the inner control loops are based on NACC. Suitability of such hybrid converters for integration with active solar cells make them favourable to be used as a solar range extender for electric/hybrid vehicles, making thus a step forward towards a complete system miniaturisation of solar regenerative energy solutions in automotive applications -solar-module-integrated dc-dc converters. Experimental measurements performed with a converter prototype including a chip based on 0.35µm HV triplewell CMOS technology verify the proposed multi-phase operation and NACC control method.Index Terms-CMOS analogue integrated circuits, current control, interleaved multiphase dc-dc converter, power integrated circuits, switched-mode power supplies.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%