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IoT & Smart Cities

September 2020
RJ45 Connectors for IoT Applications w/ Space Restrictions
RJ45 Connectors for IoT Applications w/ Space Restrictions
Stewart Connector introduces a new series of low profile Mid-Plane RJ45 connectors. The Mid-Plane RJ45 design allows the connector to straddle the board edge and utilize space above and below the printed circuit board compared to traditional RJ45 connectors that are only designed to mount above the printed circuit bo
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Date:
09/30/2020

I Want My IoT

Kevin Parmenter, Director, Applications Engineering. TSC, America

I Want My IoT
Kevin Parmenter, Director, Applications Engineering. TSC, America

The tech industry loves buzzwords for new technology: AI, thin clients, set-top boxes, social distancing technologies, and so on. (For some of the latest examples see the Gartner Hype Cycle.) When a buzzword goes mainstream, both experts and non-technologists know that what is really meant: the technology has big money associated with it. Think Sili
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Date:
09/30/2020
High-Speed CMOS DDR4 SDRAMs Feature New 8Gb Devices
High-Speed CMOS DDR4 SDRAMs Feature New 8Gb Devices
To meet the increasing demand for higher-density CMOS DDR4 SDRAMs, Alliance Memory announced that it has expanded its portfolio with two new 8Gb devices. Delivering improved performance over previous-generation DDR3 SDRAMs, the AS4C1G8D4 and AS4C512M16D4 offer lower power consumption and faster data transfer ra
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Date:
09/30/2020
Multiplexers Provide Signal Distribution in IIoT Apps
Multiplexers Provide Signal Distribution in IIoT Apps
Diodes Incorporated announced the introduction of the PS508 and PS509 analog multiplexers that are capable of switching signal voltages of up to 36V in an industrial environment. The high voltage capability of the devices will support industrial IoT (IIoT) applications using multiple sensors, including factory au
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Date:
09/30/2020
Extremely Compact Isolated Auxiliary Supply for SiC-MOSFET Gate Driver

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Figure 1: Topology of a SiC-MOSFET half-bridge with highlighted parasitic inductances

Extremely Compact Isolated Auxiliary Supply for SiC-MOSFET Gate Driver
Würth Elektronik, Technical Team

With the increasing spread of high-voltage power semiconductor components build with silicon carbide (SiC) technology, which operate at switching frequencies above 100 kHz, the requirements for their gate control are becoming more and more demanding. Besides the bipolar, positive and negative driving voltages fo
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Date:
09/30/2020
Keeping Up to Date with the Latest IoT Trends

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Keeping Up to Date with the Latest IoT Trends
Matt Johnson, Silicon Labs

The IoT, the IIoT, AI, smart buildings and smart cities are technologies that we are told will dominate our lives for the foreseeable future and make them markedly better. That may or may not be, but one of the real issues for the end-user (and even the system designer) is how rapidly these technologies are devel
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Date:
09/28/2020
Everything You Need to Know About Wi-Fi HaLow

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Figure 1: Wi-Fi spans several frequency bands and meets a variety of connectivity challenges (Source: Wi-Fi HaLow: Expanding Wi-Fi for IoT applications, Whitepaper by Wi-Fi Alliance)

Everything You Need to Know About Wi-Fi HaLow
Vahid Manian, Chief Operating Officer, Morse Micro

Wi-Fi HaLow is not only the next generation of Wi-Fi to extend distances and increase battery life for Wi-Fi-connected devices, but it also represents an exciting future of wirelessly connected people and devices across the IoT.  Applications are endless, from sensors, actuators and security cameras to ho
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Date:
09/28/2020
Boosting Power Conversion in the Internet of Things

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Figure 1: The functional block diagram of the AL17x50, integrating a MOSFET to reduce the BOM and improve the efficiency at low loads

Boosting Power Conversion in the Internet of Things
Allan Lin, Diodes Inc.

The explosion in demand around the world for smart devices in the Internet of Things and the smart home means designers have to accommodate a wide range of power sources. These power sources have to cope with an even wider range of regulations. At the same time, the end systems have to be as energy efficient
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Date:
09/28/2020
How to Secure Tomorrow's Connected Industrial Systems

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Figure 1. IoT devices manage power distribution, transportation systems, logistics, manufacturing, and smart homes. Ensuring the security of these devices is critical.

How to Secure Tomorrow's Connected Industrial Systems
Alan Grau, Sectigo

From a recent explosion at an Iranian nuclear facility that experts suggest may have been caused by a cyberattack to a Las Vegas hotel that was hacked through a smart thermometer used to monitor the water temperature in an aquarium, attacks against IoT devices are on the rise. Malware attacks targeting IoT devic
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Date:
09/28/2020
The Essential Technologies That Make a Building Smart

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Figure 1. BMS Smart Building/City IoT Architecture

The Essential Technologies That Make a Building Smart
Juned Noonari, Director of Solutions Architecture, Black Box

Building automation systems are projects of the internet of things (IoT) combined with automation and control. Edge devices and sensors track a local condition, transfer the data to a local or remote gateway requiring a low-speed network. There, the data is collected, correlated, and processed for further action. Ed
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Date:
09/28/2020
Why the IoT Needs Quickchargers
Why the IoT Needs Quickchargers
Jason Lomberg, North American Editor, PSD

Fiddling around with my iPhone and a fast charger one weekend gave me a serious case of range anxiety. Bear with me – at its core, the Internet of Things is a global network of gadgets, vehicles, appliances, and anything else with an internet connection (which is to say, everything). It’s the logical evolut
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Date:
09/28/2020
Shielded flat-wire coil
Shielded flat-wire coil
This coil is designed for high-efficiency DC/DC converters in automotive applications. The characteristic features of this flat-wire coil with its MnZn core are its high rated current (IR 38-47 A) and a high saturation performance. At an RDC value of 0.6 to 1.1 Ω, its resistance is lower than that of comparable c
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Date:
09/27/2020
Sensing and balancing IC for automotive battery management
Sensing and balancing IC for automotive battery management
The device is especially designed for batteries in hybrid and electric cars, but it is also suitable for other applications. It measures the voltage in up to twelve battery cells with an accuracy of ± 5.8 mV over the entire temperature and voltage range as well as the operating life cycle. Furthermore, it supports
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Date:
09/27/2020
Advanced H2S protection of IGBT modules enhances lifetime
Advanced H2S protection of IGBT modules enhances lifetime
Harsh environments with critical levels of H2S can be found especially in paper production, mining, wastewater and petrochemical processing as well as in the rubber industry.H2S is the most critical corrosive contaminant for power semiconductors. During operation, IGBT modules are usually heated up to high temperature l
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Date:
09/27/2020
CoolSiC 62 mm module opens up new SiC applications
CoolSiC 62 mm module opens up new SiC applications
The proven 62 mm device has been designed in half-bridge topology and is based on the trench chip technology. It opens up silicon carbide for applications in the medium power range starting at 250 kW – where silicon reaches the limits of power density with IGBT technology. Compared to a 62 mm IGBT module, the
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Date:
09/27/2020
Low Voltage Automotive Buck Converter with Programmable PFM/PWM
Low Voltage Automotive Buck Converter with Programmable PFM/PWM
With a fully integrated 110mΩ high-side power MOSFET and 80mΩ low-side power MOSFET, it provides high-efficiency step-down DC-DC conversion from 5V and 3.3V input rails. The converter has been developed for use in automotive applications including infotainment systems, instrumentation clusters, telematics, a
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Date:
09/27/2020
New silicon carbide power module for electric vehicles
New silicon carbide power module for electric vehicles
In the past ten years, Infineon has sold more than 50 million EasyPACK modules with different chipsets for a wide range of industrial and automotive applications. At the same time, the semiconductor manufacturer has successfully established its extensive portfolio of CoolSiC products in industrial applications.
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Date:
09/27/2020
High-Speed Op Amp Eliminates Oscillation from Load Capacitances
High-Speed Op Amp Eliminates Oscillation from Load Capacitances
The device targets applications such as anomaly detection systems used in measurement and control equipment along with sensors that work with very small signals. The proliferation of IoT in recent years has led to a significant increase in the number of electronic components used for advanced control in a v
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Date:
09/27/2020
1U 1kW programmable DC power supplies
1U 1kW programmable DC power supplies
These new products further expand the TDK-Lambda GENESYS+ series, offering up to 1,000W output power in a choice of full or half-rack package sizes. The GENESYS+ series is ideally suited for bench-top or rack-mount equipment in a wide variety of OEM, industrial and laboratory applications. Ten models are avai
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Date:
09/27/2020
AEC-Q200-certified SMD ferrites with peak current load ratings
AEC-Q200-certified SMD ferrites with peak current load ratings
The respective peak-current capability of the ferrite beads is exactly specified. They are characterized by a high rated current of up to 10 A and extremely low resistances. WE-MPSA ferrite beads are available in the construction sizes 0805, 1206, 1612, 1812, 2220, and 3312 and can also in some cases be supplied
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Date:
09/27/2020
Motor System ICs for control of small electric motors in cars
Motor System ICs for control of small electric motors in cars
These ICs are the world's first multiple half-bridge drivers for MOSFETs with integrated power supply and communication interfaces. "With our highly integrated Motor System ICs, system designers only need half the board space compared to existing solutions. At the same time, system designers maintain the c
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Date:
09/27/2020
New Ranges of Film Capacitors for Green Energy and Automotive
New Ranges of Film Capacitors for Green Energy and Automotive
Constructed with an aluminum canister design, both the C44U-M and C44P-R power film series address the increasing demand for high-power conversion systems in green energy and industrial applications. These capacitors also support power conversion in en-ergy storage systems, IGBT and wide bandgap (WBG) semiconduct
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Date:
09/27/2020
ROHM and LEADRIVE Establish Joint Laboratory
ROHM and LEADRIVE Establish Joint Laboratory
SiC power devices have been adopted increasingly in onboard vehicle chargers and DC/DC converters. These devices provide several advantages compared to silicon-based power devices such as IGBTs. One key benefit: significantly lower losses during both switching and conduction along with being able to operate at hi
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Date:
09/27/2020
Integrated LIN Interface Sensor Signal Conditioner
Integrated LIN Interface Sensor Signal Conditioner
      The single-package sensor signal conditioner (SSC) delivers best-in-class performance, increased design flexibility, and cost efficiency in a compact form factor for HVAC applications used in plug-in hybrid electric vehicle (PHEV), Battery Electric Vehicle (BEV), and Fuel-cell Ele
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Date:
09/27/2020
Würth Elektronik extends its switch portfolio
Würth Elektronik extends its switch portfolio
The 8.7 x 3.0 x 2.0 mm WS-SLSU SPDT switch is a slide switch in horizontal design, which is attached to the outer edge of the PCB as a SMT mountable component. Würth Elektronik also offers WS-TASU (6.2 x 3.0 x 3.5 mm, actuating force 160 gf), a switch for edge connection. The new miniaturized buttons, which are suitable
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Date:
09/27/2020
SIGA Broadens Wound Components Capability
SIGA Broadens Wound Components Capability
The move follows SIGA’s acquisition of the business and assets in February of Wolverhampton-based Stabilised Transformers Limited. Their current transformer capability includes open or enclosed types of dry transformers and inductors, and extends through double wound and auto wound components, toroidal wound
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Date:
09/27/2020
Würth Elektronik extends its WE-CBA product family
Würth Elektronik extends its WE-CBA product family
The SMDs are AEC-Q200 qualified as part of Würth Elektronik's automotive electronics portfolio. WE-CBA features high-quality Ni-Sn electrodes, a very high current carrying capacity up to 6 A, and operating temperatures from -55 to +125ºC. The ferrites, which are available in various specifications, are ideally
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Date:
09/27/2020
Power transformer maker relies on Yokogawa power analyzer
Power transformer maker relies on Yokogawa power analyzer
Founded in 1959, SEA supplies high-value assets which are expected to provide a return over decades. Quality, durability, safety and reliable performance are therefore key characteristics that customers are looking for when they specify a new transformer or reactor. Transformers play a crucial role in the transmission
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Date:
09/27/2020
Dev Kit Combines Wireless Power and Data Transmission
Dev Kit Combines Wireless Power and Data Transmission
Although it was already possible to transfer data from the receiver device to the charging station, bidirectional data transfer can now be combined with the charging process. During wireless power transmission, the device and charging station exchange data through amplitude and frequency modulation. Würth Elekt
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Date:
09/27/2020
Small, low-power 3D magnetic sensor opens up new designs
Small, low-power 3D magnetic sensor opens up new designs
With an 87 percent smaller footprint and 46 percent less height than previous comparable products, the sensor opens up new design options. Due to the small WLB-5 package (1.13 mm x 0.93 mm x 0.59 mm) and its low current consumption of 7 nA in power-down mode, the new magnetic sensor is also suitable for use
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Date:
09/27/2020
Upgrade to DesignSpark Mechanical 3D CAD modelling software
Upgrade to DesignSpark Mechanical 3D CAD modelling software
Version 5.0 offers new features, enhancements and customisation options that have been developed following feedback from users. The new release coincides with the 10-year anniversary of DesignSpark. Developed in conjunction with Ansys Inc., the leading provider of flexible and affordable 3D modelling software
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Date:
09/27/2020
Efabless Expands Support for Cloud-based Design Platform
Efabless Expands Support for Cloud-based Design Platform
Efabless Corporation announced it has expanded design support for the GLOBALFOUNDRIES (GF) 130G solution. The new offering, which includes digital design and low cost ASIC development based on configurable design templates, provides a full “semiconductor ecosystem in a box” that brings the power of GF’s 13
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Date:
09/24/2020
Silicon power transistors with wide bandgap-like performance
Silicon power transistors with wide bandgap-like performance
The claim is made by developer Search For The Next (SFN). The first devices to use Bizen are members of the QJT (Quantum Junction Transistor) family which will include three parts rated at 1200V/75A, 900V/75A and 650V/32A, available in the industry-standard TO247 or TO263 power MOSFET packages. Of extreme signif
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Date:
09/22/2020
Designing the First Public, Statewide 'Internet of Things'
Designing the First Public, Statewide 'Internet of Things'
Cornell University

Cornell University engineers and researchers are designing the nation's first statewide Internet of Things public infrastructure. Thanks to a $1.5 million grant awarded by the National Science Foundation, Cornell faculty will collaborate with community partners around New York - through Cornell Cooperative Extension
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Date:
09/14/2020
Low-cost DC-DC converter ranges
Low-cost DC-DC converter ranges
They all focus on a simple and effective design approach which is unique to those Traco Power Products. By innovative engineering we have come up with an electrical design which minimizes component and labor costs. Key focus of those designs was to maximize the amount of automatization of the manufacturing process.
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Date:
09/07/2020
What are the advantages of SiC-based designs and how can you implement them?

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Figure 1 Technology positioning – Si, SiC and GaN

What are the advantages of SiC-based designs and how can you implement them?
Giovanbattista Mattiussi, Product Marketing and Dr. Diogo Varajao, Senior System Application Engineer, Infineon Technologies

The global trends - such as digitalization and energy efficiency - that have emerged and accelerated in the past few years pose new challenges to the manufacturers as well as the semiconductor market. Developing power semiconductor devices that contribute to highly efficient power management systems is on the ag
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Date:
09/03/2020
The Eyes of the IoT

Ally Winning, European Editor, PSD

The Eyes of the IoT
Ally Winning, European Editor, PSD

Welcome to the September edition of PSD Europe. We are definitely now on the home straight towards the end of the year, and I can’t see many people or companies that will be sad to see the back of it. To quote the queen, 2020 has definitely been an “Annus horribilis”, and there is still more to come, including wh
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Date:
09/01/2020
30 / 65 Watt AC/DC Compact Open-Frame Power Supplies
30 / 65 Watt AC/DC Compact Open-Frame Power Supplies
TRACO POWER’s new 30 / 65 Watt TPI line of compact open frame AC/DC power supplies are cost-optimized for price sensitive Industrial, Automation and IoT applications. The TPI 30 and TPI 65 products feature: -40°C ~ +85°C Operation Rated full load to +60C, convection cooled up to 94% efficiency 120-130% p
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Date:
09/01/2020
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