Power Supplies & Magnetics

October 2021
Delivering a Complete Active Power Factor Correction Solution in a Single Package: Part 2 of 4

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HiperPFS-4 with Integrated 600 V Qspeed Diode Application

Two of the main issues for modern power supply designers are the elimination of unwanted line harmonic currents and ensuring a power factor that is as close to unity as possible. Unwanted harmonics can cause transmission equipment to overheat and pose interference challenges that must be addressed later; both a
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Date:
10/26/2021
Don’t Stress with Nomophobia: Part 4 of 4

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InnoSwitch3-PD

If we didn’t know it before Covid-19, we do now: always being connected via your smart mobile device is essential. Track and Trace – scan the QR code, order online, pay without cash, watch an instructional video, send a selfie, use an app to summon a taxi, or count your steps as part of a fitness program. He
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Date:
10/25/2021
Enhance AC Line Switching Efficiency and Reliability in HBA and Smart Home Applications by Using Lossless Zero-Cross Detection: Part 3 of 4

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LinkSwitch-TNZ

Optimizing the performance of devices that turn AC line power on and off is an important consideration in a growing variety of applications, including home/building automation (HBA), Internet of Things (IoT)-enabled appliances, smart switches and plugs, dimmers, and occupancy sensors, and especially in designs tha
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Date:
10/25/2021
Analog Devices targets telemedicine with tiny AFE and PMIC
In a report from the United Nations Department of Economic and Social Affairs, Population Division entitled, “World Population ageing 2020”, it was estimated that the share of the population aged 65 years or over would increase from 9.3 per cent in 2020 to around 16.0 per cent in 2050. It is an increase that ca
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Date:
10/12/2021
Powering IoT Modules w/ Supercapacitors, Solar Panels, and Power Management ICs

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Figure 1: A schematic view of Analog Devices’ LTC31102A, bidirectional, buck-boost DC/DC regulator and charger/balancer

To further improve IoT modules, many manufacturers are developing set-and-forget IoT modules designed to either eliminate batteries or extend battery life so significantly that end-users rarely to never have to concern themselves with powering their IoT modules. In pursuit of this goal, IoT module manufactu
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Date:
10/12/2021
Reliable Power for Global Telecommunications Infrastructure
Building on its proven GP100 rectifier platform, ABB Power Conversion has developed a new lower-voltage, true three-phase, 6-kilowatt (kW) version to provide the power levels needed in telecommunication and networking applications. The low-line rectifiers provide the foundation for a variety of lower-voltage power system
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Date:
10/06/2021
Illinois Tech Professor Joins National Program for STEM Faculty

Georgia Papavasiliou, Professor of Biomedical Engineering in Armour College of Engineering at Illinois Institute of Technology (Illinois Tech)

Georgia Papavasiliou, Professor of Biomedical Engineering in Armour College of Engineering at Illinois Institute of Technology (Illinois Tech), has been named a fellow in the third cohort of the IAspire Leadership Academy, a leadership program aimed at helping STEM faculty from underrepresented backgrounds ascend to
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Date:
10/06/2021
Murata Announces Engineering Fund at Kennesaw State University

Dean Ian Ferguson with Kennesaw State University

Murata announced that it established the Futoshi “Fred” Chanoki Honorary Engineering Fund at Southern Polytechnic College of Engineering and Engineering Technology (SPCEET) at Kennesaw State University (KSU). Named after Murata Electronics North America’s first president, the funding will support the needs of
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Date:
10/05/2021
Three-Phase Input DIN rail Power Supplies w/ +20% Peak Power
TDK Corporation announces the addition of three-phase AC input models to the TDK-Lambda DRB series of economically priced DIN rail mount power supplies. Rated for continuous operation at 120W and 240W with 12V, 24V and 48V outputs, the units can deliver a peak of 144W and 288W for two seconds. This, and a constant cu
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Date:
10/05/2021
$18M Grant to Build National Semiconductor Fabrication Facility

Professor Alan Mantooth from the University of Arkansas

Engineering researchers led by Distinguished Professor Alan Mantooth have received $17.87 million from the National Science Foundation to build and operate a national silicon carbide research and fabrication facility at the University of Arkansas. “The national impact of having a fabrication facility such a
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Date:
10/04/2021
The BYLink Power Management Concept

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Figure 1: General concept of high and low-voltage PMICs connected together

In automotive systems, the 12 V and 24 V supply from the battery is used and derived in multiple supply rails to satisfy the system power demand. NXP’s portfolio of safety PMICs with embedded system features can be classified in two main categories: the high-voltage PMICs (HV PMIC) and low-voltage PMICs (LV PM
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Date:
10/01/2021
Digital Power Supply Control Adds Value to IoT Applications

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Figure 1 - Analogue power supply with simple digital interface

Digital control in power supplies can mean different things ranging from simple digital signalling of status/alarms and on/off control of a traditional analogue controller, through addition of more sophisticated functions with a simple microcontroller, all the way through to full implementation of feedback loop comp
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Date:
10/01/2021