Publications associées à Power management integrated circuit

General and Unified Model of the Power Flow Problem in Multiterminal AC/DC Networks

This paper proposes a generic and unified model of the power flow (PF) problem for multiterminal hybrid AC/DC networks. The proposed model is an extension of the standard AC-PF. The DC network is treated as an AC one and, in addition to the Slack, PV and P ...

IEEE Institute of Electrical and Electronics Engineers2024

Integrated Wireless Power, Data Communication, and Thermal Sensing System for Autonomous Multisite Brain Implants

Implanted medical devices (IMDs) have been widely developed to support the monitoring and recording of biological data inside the body or brain. Wirelessly powered IMDs, a subset of implantable electronics, have been proposed to eliminate the limitations r ...

EPFL2024

SEKV-E: Parameter Extractor of Simplified EKV I-V Model for Low-Power Analog Circuits

Christian Enz, Hung-Chi Han, Antonio D'Amico

This paper presents the open-source Python-based parameter extractor (SEKV-E) for the simplified EKV (sEKV) model, which enables the modern low-power circuit designs with the inversion coefficient design methodology. The tool extracts the essential sEKV pa ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2022

Strategies, Techniques and Systems for powering low-maintenance and battery-free devices through Energy Harvesting and Wireless Power Transfer

Roberto La Rosa

The purpose of this research has a background in the market for Internet of Things (IoT)devices and wireless sensor networks. The Market Forecast predicts the connection of a trillion"things" by 2025. The global smart sensor market size trend grows from US ...

EPFL2022

Near-junction microfluidic cooling for high power-density GaN-on-Si electronics: A wafer, device, packaging, and system-level investigation

Remco Franciscus Peter van Erp

Electrification of the energy section, from generation to end-use, plays an essential role in reducing global CO2 emission. Innovations in power electronics are required to increase conversion efficiency and power density. Gallium nitride (GaN) transistors ...

EPFL2022

Low-Voltage Silicon Photonic Mems Switch With Vertical Actuation

Niels Quack, Hamed Sattari, Alain Yuji Takabayashi

We present a vertically movable silicon photonic MEMS switch realized in IMEC's standard silicon photonics platform followed by a dedicated postprocessing for MEMS release. The device has six optical ports, which enable four switching configurations with a ...

IEEE2021

Diamond on GaN integration for power semiconductor devices with efficient thermal management

Reza Soleiman Zadeh Ardebili

The international actions against global warming demands reductions in carbon emission and more efficient use of energy. Energy efficiency in the conversion and use of electricity, as an important form of energy in the modern life, has strong environmental ...

EPFL2021

Ultra-compact, high-frequency power integrated circuits based on GaN-on-Si Schottky Barrier Diodes

Elison de Nazareth Matioli, Remco Franciscus Peter van Erp, Jun Ma, Luca Nela, Georgios Kampitsis

GaN transistors are being employed in an increasing number of applications thanks to their excellent performance and competitive price. Yet, GaN diodes are not commercially available and little is known about their performance and potential impact on power ...

2020

Towards Deeply Scaled 3D MPSoCs with Integrated Flow Cell Array Technology

David Atienza Alonso, Marina Zapater Sancho, Alexandre Sébastien Julien Levisse, Mohamed Mostafa Sabry Aly, Halima Najibi

Deeply-scaled three-dimensional (3D) Multi-Processor Systems-on-Chip (MPSoCs) enable high performance and massive communication bandwidth for next-generation computing. However, as process nodes shrink, temperature-dependent leakage dramatically increases, ...

2020

Output Capacitance Losses in Wide-Band-Gap Transistors: A Small-Signal Modeling Approach

Elison de Nazareth Matioli, Armin Jafari, Palliyage Srilak Nirmana Perera, Mohammad Samizadeh Nikooytabalvandani

Wide-band-gap (WBG) power semiconductor devices are gaining an increasing interest in power circuits, as they exhibit a low specific ON-resistance (RON) while providing a high blocking voltage. The energy dissipation corresponding to resonantly charging an ...

IEEE2020

At the end of scaling: 2D materials for computing and sensing applications

Nicolò Oliva

In the past half-century, the digital revolution completely changed the world we live in and the ways we experience it. Over this period, the underlying force supporting the continuous technological development has been the geometrical scaling of transisto ...

EPFL2020

Negative Resistance in Cascode Transistors

Elison de Nazareth Matioli, Armin Jafari, Palliyage Srilak Nirmana Perera, Mohammad Samizadeh Nikooytabalvandani

Cascode topology which includes a high-voltage GaN and a low-voltage Si transistor is an attractive device concept, which uses the low ON-resistance of GaN while still being compatible with Si gate drivers. It demonstrates the highest threshold voltage amo ...

2020

Tri-gate technologies for high-performance power GaN devices

Jun Ma

GaN-based electronic devices have great potential for future power applications, thanks to their wide band-gap, high breakdown electric field, and high electron mobility. In addition, these devices can be integrated on large-size Si substrates and enable n ...

EPFL2019

Remotely-Powered Front-End at 2.45 GHz for Real-Time Continuous Temperature Sensing

Catherine Dehollain, Onur Kazanç, Franco Maloberti

Remote powering and power management of a passive sensor system employing antenna-rectifier co-design is presented. The operating frequency of the system is chosen at 2.45 GHz in order to reduce the antenna size. A co-design approach enables the coupling o ...

IEEE2018

Leakage Flux Modeling of Multi-Winding Transformers for System-Level Simulations

Drazen Dujic, Min Luo, Jost Allmeling

In multiwinding transformers, different geometry of the individual windings leads to unbalanced leakage flux paths. The unbalance affects the behavior of the power electronic converters, where these transformers are used. This paper proposes an approach to ...

Ieee-Inst Electrical Electronics Engineers Inc2018

Chip-scale Optical Resonator Enabled Synthesizer (CORES) Miniature systems for optical frequency synthesis

Tobias Kippenberg, Nicolas Volet, Hairun Guo, Martin Hubert Peter Pfeiffer

An approach for a low-power chip-scale package is described, that provides a laser output with a programmable frequency across 50 nm of bandwidth centered at 1550 nm, and a resolution of one part in 10(14). ...

Ieee2016

Analog and RF Modeling of FDSOI UTBB MOSFET Using Leti-UTSOI Model

Jean-Michel Sallese, Christophe Lallement

Ultra-Thin Body and Box (UTBB) Fully-depleted Silicon-on-Insulator (FDSOI) MOSFETs exhibit very high transit frequency granting advantageous RF and low-power circuits design. This requires accurate models describing transistor behavior in all operating reg ...

IEEE2016

Remotely powered PPM demodulator by inductive coupling for rodent applications

Catherine Dehollain, Enver Gürhan Kilinç, Kerim Türe, Franco Maloberti

A low-power pulse position modulation (PPM) demodulator has been developed for remotely powered batteryless implantable devices. The required power for the implantable device is provided by the magnetic coupling with the external array of powering of coils ...

Springer Verlag2016

A Subthreshold Current-Sensing Sigma-Delta Modulator for Low-Voltage and Low-Power Sensor Interfaces

Alexandre Schmid, Seyed Armin Tajalli, Yusuf Leblebici, Nikola Katic

A continuous-time (CT) ΣΔ modulator for sensing and direct analog-to-digital conversion of nA-range (subthreshold) currents is presented in this work. The presented modulator uses a subthreshold technique based on subthreshold source-coupled logic cells to ...

Wiley2015

A Low Power On-Chip Class-E Power Amplifier For Remotely Powered Implantable Sensor Systems

Catherine Dehollain, Enver Gürhan Kilinç, Kerim Türe

This paper presents a low power fully integrated class-E power amplifier and its integration with remotely powered sensor system. The class-E power amplifier is suitable solution for low-power applications due to its high power efficiency. However, the req ...

Spie-Int Soc Optical Engineering2015