Energy Efficiency

June 2019
Ultra-Compact Earthquake Detection Sensor Module
Kyoto and Santa Clara, Calif. –  ROHM announced the availability of an ultra-compact high accuracy seismic detection sensor module, BP3901, which is ideal for applications requiring reliable earthquake detection, such as automatic doors, unmanned transport vehicles, and smart meters. Functions
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Date:
06/25/2019
PSDcast â€

UnitedSiC's President and CEO, Chris Dries

In this episode of the PSDcast, we’re chatting silicon carbide with UnitedSiC (that’s United Ess-Eye-See – no one on this podcast is “sick,” pronunciations notwithstanding
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Date:
06/25/2019
Boost Converter Powers High Current LEDs

A 32 V, 2 A LT3762 boost LED driver.

    High power LEDs continue to proliferate in modern lighting systems, spanning automotive headlights, industrial/commercial signage, architectural lighting, and a variety of consumer electronics applications. The industry’s transition toward LED technology
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Date:
06/25/2019

Multi-Junction Solar Cells from Off-the-Shelf Components
Multi-junction solar cells are both the most efficient type of solar cell on the market today and the most expensive type of solar cell to produce. In a proof-of-concept paper, researchers from North Carolina State University detail a new approach for creating multi-junction solar cells using off-the-shelf components,
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Date:
06/25/2019
Novel Chinese Nanogenerator Takes cue from Electric Eels

Underwater wireless multi-site human motion monitoring system based on BSNG.

Researchers from the Beijing Institute of Nanoenergy and Nanosystems and the University of Chinese Academy of Sciences have developed a bionic stretchable nanogenerator (BSNG) that takes inspiration from electric eels. The scientists hope the new technology will meet the tough demands of wearable
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Date:
06/24/2019
UnitedSiC Adds 4-lead Kelvin Device to UF3C FET Series
Princeton, New Jersey: UnitedSiC has further expanded its UF3C FAST series product offering by introducing an additional 1200V high-performance SiC FET device in a TO-247-4L 4-leaded Kelvin Sense discrete package option. The UF3C120150K4S (
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Date:
06/20/2019
Expanding the Temperature Range of Lithium-Ion Batteries
Electric cars struggle with extreme temperatures, mainly because of impacts on the electrolyte solutions in their lithium-ion batteries. Now, researchers have developed new electrolytes containing multiple additives that work better over a wide temperature range. They report their results in ACS Applied Materials
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Date:
06/19/2019
'Hot Spots' Increase Efficiency of Solar Desalination

Rice University researchers (from left) Pratiksha Dongare, Alessandro Alabastri and Oara Neumann showed that Rice's 'nanophotonics-enabled solar membrane distillation' (NESMD) system was more efficient when the size of the device was scaled up and light was concentrated in 'hot spots.'

HOUSTON -- Rice University's solar-powered approach for purifying salt water with sunlight and nanoparticles is even more efficient than its creators first believed. Researchers in Rice's Laboratory for Nanophotonics (LANP) this week showed they could boost the efficiency of their solar-powered desalination
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Date:
06/18/2019
'Self-Healing' Polymer for the Perovskite Solar Tech Market
A protective layer of epoxy resin helps prevent the leakage of pollutants from perovskite solar cells (PSCs), report scientists from the Okinawa Institute of Science and Technology Graduate University (OIST). Adding a "self-healing" polymer to the top of a PSC can radically reduce how much lead it
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Date:
06/17/2019
3W Ultra-thin Isolated Regulated Output DC/DC Converters
The new series URB/VRB-J(M)D/T-3W provides 4:1 and 2:1 ultra wide input range, features 1500VDC isolation voltage, and delivers efficiencies up to 83%. Packages are available in SMD and DIP. In addition to meeting EN62368
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Date:
06/17/2019
Fuji Electric 7th Generation IGBT Technology Powers Today’s High Efficiency Energy Conversion Systems

Click image to enlarge

Figure 1: IGBT cross sectional structure

Today’s Power Electronic market is driving development of compact, low-loss, and, high-reliability IGBT modules to optimize power conversion systems. In response, Fuji Electric has developed our 7th generation X-Series IGBT technology combining enhanced semiconductor chip characteristics and improved
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Date:
06/16/2019
PSDcast â€

Seoul Semiconductor’s Mark McClear

Most of us intuitively feel that natural sunlight is better than artificial light, whatever the color temperature. And the science backs it up. But today, we’re focusing on the aesthetic qualities, and just last month, Seoul Semiconductor 
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Date:
06/14/2019
PSDcast â€

Dr. Juanita Kurtin, Director of Materials Research at OSRAM Opto Semiconductors

Date:
06/13/2019
Carbon-Neutral Fuel Made From Sunlight and Air

The research plant is located on the roof of the ETH building on Sonneggstrasse.

Carbon-neutral fuels are crucial for making aviation and maritime transport sustainable. ETH researchers have developed a solar plant to produce synthetic liquid fuels that release as much CO2 during their combustion as previously extracted from the air for their production. CO2 and water are extracted directly
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Date:
06/13/2019
Low-Power Technology for Embedded Flash Memory
TOKYO, Japan – Renesas Electronics Corporation announced the development of new low-power technology for use in embedded flash memory based on a 65 nanometer (nm) SOTB (Silicon On Thin Buried Oxide) process. Available with 1.5 MB capacity, it is the world’s first embedded 2T-MONOS (2 Transistors-Metal Oxide
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Date:
06/13/2019
Expanded Patent Portfolio for Smart Lighting IoT Solutions
BEDFORD, Mass. -- CIMCON announced the United States Patent and Trademark Office has awarded the company patent No. 10,238,001 for the NearSky smart city platform. The newly issued patent for a
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Date:
06/12/2019
Consortium to Create £9million Offshore Renewables Hub
A national consortium has been awarded additional funding to cement the UK's position as a global leader in offshore renewable energy (ORE) innovation and research. The Supergen ORE hub was created in July 2018 to bring together a network of academic, industrial and policy stakeholders to champion
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Date:
06/12/2019
Holistic View of Planning Energy Self-Sufficient Communities

Researchers are using advanced modeling and visualization tools to help create the planned net-zero energy district, Peña Station NEXT, near the Denver International Airport in Denver, Colorado.

WASHINGTON, D.C. - Sustainable communities supplied by local renewable energy production are beginning to be established in the U.S. By using energy-efficient buildings and distributing means of energy generation, such as solar panels, throughout buildings in these districts, the communities manage to produce
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Date:
06/11/2019
Electric Vehicles Would be a Breath of Fresh air for Houston

Cornell researchers say replacing at least 35 percent of Houston's gasoline cars and diesel trucks with electric vehicles by 2040 will reduce pollution and improve air quality by 50 percent.

ITHACA, N.Y. - Cornell University researchers are expressing hope for the future of Houston's breathable air, despite the city's poor rankings in the American Lung Association's 2019 "State of the Air" report. The report, released in April, ranked Houston ninth nationally for worst ozone
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Date:
06/11/2019
Light-Powered Nano-Organisms Consume CO2

University of Colorado Boulder Assistant Professor Prashant Nagpal

University of Colorado Boulder researchers have developed nanobio-hybrid organisms capable of using airborne carbon dioxide and nitrogen to produce a variety of plastics and fuels, a promising first step toward low-cost carbon sequestration and eco-friendly manufacturing for chemicals. By using light-activated
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Date:
06/11/2019
The Economic Value of Adjusting the Power Consumption
Since the output of renewable energy such as photovoltaic generation tends to fluctuate, the power system can be viewed as a large-scale complex system with uncertainty. To stabilize the balance of supply and demand of electricity, we need an energy management system to control this. In recent years, energy
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Date:
06/10/2019
Burst-Mode Operation: A Double-Edged Sword

Click image to enlarge

Figure 1: The Vg waveform under relatively heavy, resistive loading. (f=100kHz)

In response to ever evolving power supply efficiency standards, power supply manufacturers are using burst-mode operation (amongst a sea of other energy saving strategies) to decrease the standby power consumption of external power adaptors. Efficient conversion techniques do not come without some cost. 
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Date:
06/07/2019
Load Switch Technology has a Vital Role in Managing Power

Click image to enlarge

Figure 1: Block diagram of a typical integrated load switch device

Power is the lifeblood of the technology that drives our modern world and, increasingly, we are reliant on high-tech products that assist us in our busy lives both in and away from the workplace. Managing and controlling power is an important topic for high tech, low-power applications. Whether it is developing
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Date:
06/07/2019
Are you SiC of Silicon? - Part 3
(See part 1 and part 2) SiC
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Date:
06/06/2019
10W reed relay suits high-PCB-density applications
Series 122 relays measure 12.5mm in height and are rated with a switching current of 0.5A at 10W. 3V and 5V coils are available.   Fast operate
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Date:
06/06/2019
Now at Mouser: Maxim’s MAX77860 Switch-Mode Buck Charger
The MAX77860 is ideal for USB Type-C charging for single-cell (1S) lithium-ion or lithium-polymer applications, portable medical equipment, portable industrial equipment, and mobile point-of-sale devices, as well as smartphones and Internet of Things (IoT) applications.
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Date:
06/06/2019
New angled locking cable for IEC C14 Power Connectors
The newest connector in the IL13 family sets a benchmark in space limited locking situations. Due to its angled construction the connector can be beneficially used with devices standing next to a wall or in
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Date:
06/06/2019
Powerbox announces 105 models of DC/DC converters featuring 2xMOPP medical approvals
The PMM15, PMM20 and PMM30 are certified to the 3rd Edition of the IEC/EN/ANSI/AAMI ES 60601-1 medical safety standard and rated for the highest levels of patient protection - 2xMOPP. With a clearance and creepage distance of 8mm, a typical leakage current of 2µA
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Date:
06/06/2019
Encapsulated sixteenth-brick DC-DC converters
The modules are housed in the industry-standard sixteenth-brick form factor (35.3 x 25 x 10.4mm / 1.39 x 0.984 x 0.41 in), with sealed and encapsulated packaging. This ensures their reliability when exposed to dust, moisture, severe vibration and other harsh environmental
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Date:
06/06/2019
Rad-Hard 16-Channel Current Driver with Integrated Decoder
The ISL72814SEH integrates the decoder, input level shifter, and 16 current driver arrays in a single monolithic IC. The device allows satellite manufacturers to significantly increase system capacity and cut solution footprint by 50 percent for their medium Earth
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Date:
06/06/2019
HARTING and HIROSE push infrastructure for Single Pair Ethernet
To make the new connection technology for Single Pair Ethernet a success, the technology partnership is pursuing the systematic expansion of SPE to achieve an end-to-end, complete infrastructure. This infrastructure consists of a portfolio of connectors, sockets,
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Date:
06/06/2019
Wireless Power with Infrared Light

Power is delivered with pinpoint accuracy using an invisible beam of light. Users do not see or feel the beam.

By the time you read this, Lightfair should be in the books, and to that end, I’d like to highlight one of the coolest opto items I’ve seen in a while – wireless power with infrared
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Date:
06/06/2019
PSDcast â€

White light visibility using Twister

In this episode of the PSDcast, we’re discussing LED no-UV lighting. In our May issue, we published an article with the apt title “
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Date:
06/06/2019
PSDcast â€

Infineon’s Stephan Zizala

In this episode of the PSDcast, we’re discussing an electric vehicle partnership between Infineon and Volkswagen, specifically the latter’s “FAST” supplier
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Date:
06/06/2019
Tantalum Chip Capacitors With Single-Digit ESR Down to 7 mΩ
MALVERN, Pa. — Vishay Intertechnology, Inc. announced that the company has extended its T55 series of vPolyTan surface-mount polymer tantalum molded chip capacitors with new devices in the D case (EIA 7343-31) size featuring single-digit ESR values from 9 mΩ down to 7 mΩ, with values to 6 mΩ in development. Previously
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Date:
06/05/2019
PSDcast â€

Wi-Charge Chief Marketing Officer Yuval Boger

In this episode of the PSDcast, we’re discussing a unique approach to wireless power – Israeli start-up Wi-Charge uses infrared light to transmit usable energy.
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Date:
06/04/2019
Biobattery Could Help Everything Connect to the Internet

This solid phase bacteria-powered biobattery could be a low-cost power source for the Internet of Disposable Things.

BINGHAMTON, N.Y. - In the future, small paper and plastic devices will be able to connect to the internet for a short duration, providing information on everything from healthcare to consumer products, before they are thrown away. Researchers at Binghamton University, State University of New York have developed
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Date:
06/04/2019
X-ray of Batteries Reveals why They Still Aren't Good Enough

In-depth computational models of commercial lithium-ion battery electrodes specifically reveal where damage happens with use.

WEST LAFAYETTE, Ind. -- Electric cars rely on the same lithium-ion battery technology that's in smartphones, laptops and virtually everything electronic. But the technology has been extremely slow to improve. While electric cars can more than handle the average American's daily commute, the average
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Date:
06/03/2019