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Unboxing the technology behind smart consumer electronics systems.

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Totem-Pole PFC Reliability and Performance Improvement With Advanced Controls

October 14, 2022 by Zhong Ye

Totem-pole power factor correction (PFC) is a simple and highly efficient topology. It is being widely used in high-density and high-efficiency power supply design. However, engineers still face many design challenges, including PFC current reversing prevention at input voltage drop, lightning surge protection, current harmonic reduction, and ac crossover current spike … [Read more...] about Totem-Pole PFC Reliability and Performance Improvement With Advanced Controls

Heterogeneous Integration: A Promising Technology to Future Integrated Power Conversion Electronics

September 1, 2021 by Fanyi Meng, Chenfei Wang, Ziheng Liu, Kaixue Ma, Don Disney, and Kiat Seng Yeo

Circle split in half with a computer parts showing.

Since its renaissance, heterogeneous integration (HI) where unique merits of different silicon or III-V technologies, has been widely explored in many power electronics and achieved remark- able success. It is known that the success of power conversion electronics is mostly attributed to the low-power, fast-response, and accurate mixed-signal control circuitry and the low-loss, … [Read more...] about Heterogeneous Integration: A Promising Technology to Future Integrated Power Conversion Electronics

Flexible and Efficient MMC Digital Twin Realized With Small-Scale Real-Time Simulators

June 1, 2021 by Stefan Milovanovic, Ignacio Polanco, Milan Utvic, and Drazen Dujic

Image of ribbons in different directions.

The decreasing trend in the price of computational power has led to the evolution of various tools intended to support development processes in power electronics. In the domain of high-power converters, which rely on the use of digital controllers while switching at frequencies not exceeding several kHz, Hardware-In-the-Loop (HIL) systems have become widely adopted for … [Read more...] about Flexible and Efficient MMC Digital Twin Realized With Small-Scale Real-Time Simulators

Rethinking the Power Delivery Networks of Mobile Robots

December 1, 2020 by Anna Giasson and Stavros Dokopoulos

Image of equipment.

There are complex power system design and architecture considerations in the power delivery networks (PDN) of mobile robots, autonomous vehicles, and distributed static robots. This is due to the variation in the battery power source voltage plus the broad variety of loads that may be part of a typical system, such as, high-power AI computing systems, motor drives, sensors, … [Read more...] about Rethinking the Power Delivery Networks of Mobile Robots

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To educate, inform, and entertain our community of IEEE Power Electronics Society members on technology, events, industry news, and general topics relating to consumer electronics and to further serve and support our Members in professional career development through tutorials and raising awareness of engineering tools and technologies.

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