Consumer

February 2021
Variations to Perform: Introducing 65 W USB-PD Designs

Figure 1 Block diagram of a secondary-side controlled power adapter using PAG1S and PAG1P

The continuous demand for charging devices in the shortest time is driving the charger market toward fast charging. On the one hand, the power delivered by these charges increases; on the other hand, their size is getting smaller and smaller, so it is necessary to design a higher power density. To meet the growing de
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Date:
02/28/2021

Low-Profile, Glow Wire-Compliant Power Relay Series
Fujitsu Components America, Inc. released a DPST/DPDT 5A PCB power relay series that meets glow-wire test requirements of the IEC/EN60335-1 standard, which addresses the safe operation of consumer and commercial electrical appliances. The low-profile (16.5mm) FTR-F1-GW relay series is rated from 1.5 to 110V. De
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Date:
02/22/2021
TDK Selection Tool for PTC Inrush Current Limiters
TDK Corporation presents a new, user-friendly tool to help users select the right PTC inrush current limiters (ICL) for a range of different power supply and converter topologies. The intuitive tool is available online and does not need to be downloaded. The selection process is divided into four stages: After sp
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Date:
02/18/2021
Airplanes to cell phones: Equipment Finds the Flaws

Sandia National Laboratories researchers in the Mechanics of Materials department utilize the new fracture testing hangers for traditional interlaminar composite fracture testing as well as advanced hybrid composite laminates, as shown here.

Tim Briggs has built a career at Sandia National Laboratories tearing and breaking things apart with his team of collaborators. Now, he's developed a fracture-testing tool that could help make everything from aircraft structural frames to cellphones stronger. Briggs has filed a patent for a device associated
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Date:
02/18/2021
Will Consumers Adopt AI for Banking Advice?
A new study published in Economic Inquiry is the first to assess the willingness of consumers to adopt advisory services in the banking sector that are based on artificial intelligence (AI). Investigators examined whether the likelihood that consumers adopt AI in banking services depends on tastes for human inter
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Date:
02/18/2021
High-Speed PIN Photodiode Improves Bio Sensor Performance
Vishay Intertechnology, Inc. broadens its optoelectronics portfolio with the introduction of a new high speed silicon PIN photodiode with enhanced sensitivity to visible and infrared light. Featuring a rectangular 4.8 mm by 2.5 mm top-view, surface-mount package with an industry-low 0.48 mm profile, the Vishay Se
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Date:
02/17/2021
MLFA AEC Compliant MELFs With High Reliability
When designing high reliability applications, engineers are challenged to find a resistor that meets the electrical demands at a reasonable cost. If AEC compliance is required, the challenge is even greater. Stackpole offers engineers a solution for these applications with its MLFA Series. The MLFA is an A
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Date:
02/16/2021
TDK's Low-Resistance Multilayer Ferrite Inductors for NFC
TDK Corporation has developed the new MLJ-H1005 inductors for use in NFC* (near field communication). Mass production will begin in February 2021. The inductors' intended use is for the LC filters of NFC circuits. It is necessary for inductors to have narrow tolerances to minimize the loss caused by mismatched i
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Date:
02/16/2021
Third-Generation Extension Board Supports all iTC EPDs
Pervasive Displays has introduced the EXT3 extension kit and evaluation board, with support for its entire range of iTC ultra-low power e-paper displays for industrial, commercial and retail applications, along with extensive software libraries to help reduce its customers’ engineering effort. Many manu
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Date:
02/15/2021
Expanded Portfolio of Active Clamp Flyback Controllers
Silanna Semiconductor announced the full production release of the industry-leading expanded portfolio of Active Clamp Flyback Controllers (ACF). Silanna Semiconductor focuses on the ultimate Power Management challenges with the best-in-class power density and efficiency that delight customers with unprecedented Bo
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Date:
02/12/2021
5th Generation MOSFETs Deliver Leading Low ON Resistance
ROHM Semiconductor announced a 24-model lineup of 24V input, -40V / -60V withstand voltage P-channel MOSFETs available in both single (RqxxxxxAT / RdxxxxxAT / RsxxxxxAT / RFxxxxxAT) and dual configurations (UTxxx5/QHxxx5/SHxxx5). These new devices are ideal for industrial and consumer applications, such as factory automati
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Date:
02/10/2021
Type-C Power Delivery Source Switch Delivers up to 28V
Alpha and Omega Semiconductor Limited (AOS) announced a new Type-C Power Delivery (PD) high voltage source protection switch capable up to 28V absolute maximum voltage.  The AOZ1374 isa smartprotection switch in a small thermally enhanced 3mm x 3mm DFN package.AOS’s prowess in high-performance ICs combined wi
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Date:
02/03/2021
6 W and 10 W Isolated DC-DC Converters with 4:1 Input Range
CUI Inc, a Bel Group, announced the addition of two new EN 62368-1 certified, compact, regulated converter series to its compact isolated dc-dc converters line. The PQQ6W-S and the PQQ10W-S both offer cost-effective solutions for a wide range of applications, including IoT, consumer, industrial and telecom, an
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Date:
02/02/2021
CES Loses Sense of Majesty on the Virtual Stage
This year, CES traded the glitz and glamour of Vegas for the sobering reality of COVID-19. The Consumer Technology Association, which owns and produces the show, breathlessly declared “CES 2021 Makes History as Largest Digital Tech Industry Event,” but it was less a grand proclamation than a whimper. If you’re
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Date:
02/01/2021
Selecting Power Inductors

Table 1

When the power supply voltage is decreased, voltage fluctuations can become more dangerous, requiring a high-performance DC-DC converter in order to operate within safe parameters. DC-DC converters can help to address these requirements, and power inductors are crucial components that affect DC-DC converters’ pe
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Date:
02/01/2021
New Converters Deserve (and get) Better Inductors

Coilcraft inductor schematic

New inductors are introduced all the time. In such an established industry as ours, it is quite natural that many new products represent small, evolutionary improvements or solve unique problems.  Occasionally, however, major generational breakthroughs do come along that challenge designers into new way
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Date:
02/01/2021