Power Supplies

July 2020

Mouser Electronics Site on Resistor-Based Current Sensing

Mouser Electronics Site on Resistor-Based Current Sensing

Mouser Electronics, Inc., is pleased to offer customers a new resource site dedicated to Current Sensing Solutions from Microchip Technology and Vishay Intertechnology. Current sensing is a key requirement for the development of smart motor controls and high-efficiency power supplies. The new site features a ra

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Date:

07/23/2020

PSDcast – The H-1B Visa Restriction (Good for the Industry?)

Chris Dries, the President and CEO of UnitedSiC

PSDcast – The H-1B Visa Restriction (Good for the Industry?)

You’ve probably heard that President Trump and the Department of Homeland Security took actions with mammoth ramifications for our industry. To whit, Trump restricted H-1B visas for engineers, computer programmers and other technical workers through 2020. Is this a boon for domestic employment or a shackle fo

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Date:

07/23/2020

Regenerative AC & DC Programmable AC Power for E-Mobility

Regenerative AC & DC Programmable AC Power for E-Mobility

Pacific Power Source has introduced a new range of full regenerative high power programmable AC and DC power sources for a wide range of AC and DC power test applications. The new AZX Series consists of five different models ranging in power from 30kVA/kW to 200kVA/kW. The AZX Series uses advanc

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Date:

07/19/2020

ABB Adds DC-Input Version to Power Supply Family

ABB Adds DC-Input Version to Power Supply Family

Providing additional input options for customers, ABB is expanding its line of compact, energy-efficient MPR power supplies with a new DC-input version. Both the AC-input and DC-input power supplies feature 9-by-2.15-by-1.57-inch form factors, offering one of the most compact options available today, when it co

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Date:

07/17/2020

Resistors Offer Lower Cost Alternative to Comps, Wirewounds

Resistors Offer Lower Cost Alternative to Comps, Wirewounds

As electronics evolve, the power and pulse requirements have changed higher efficiency electronics and motors mean lower power, voltage, and current requirements. As a result, designs which have traditionally required a carbon composition or wirewound resistor may now be able to use a lower cost metal oxide. Whi

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Date:

07/10/2020

High-Speed Fuse Line for Battery Energy Storage Applications

High-Speed Fuse Line for Battery Energy Storage Applications

Littelfuse, Inc. announced the launch of its PSX series of high-speed fuses. The PSX series offers an up to 1500 DC voltage rating and 100 kA DC breaking capacity at 1500 V DC to provide the greatest protection in the smallest case size available on the market—the NH XL package. These semiconductor fuses will he

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Date:

07/09/2020

30 V MOSFET Power Stage Delivers 11% Higher Output Current

30 V MOSFET Power Stage Delivers 11% Higher Output Current

Vishay Intertechnology, Inc. introduced a new 30 V n-channel MOSFET half-bridge power stage that combines a high side TrenchFET MOSFET and low side SkyFET MOSFET with an integrated Schottky diode in one compact PowerPAIR 3.3 mm by 3.3 mm package. For power conversion in computing and telecom applications, the Vi

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Date:

07/08/2020

Power Delivery Networks at a Crossroads

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Figure 1. Vicor’s Highest Systems Performance Power Modules

Power Delivery Networks at a Crossroads

Henryk Dabrowski, Vicor Corporation

Every electronic piece of equipment or system has a power delivery network (PDN) made up of cables, bus bars, connectors, circuit board copper power planes and AC to DC and DC to DC converters and regulators. Governing the performance of a PDN is its overall architecture, such as the use of AC or DC voltage di

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Date:

07/07/2020

Rugged Power System for Reliable Charging in Remote Areas

Rugged Power System for Reliable Charging in Remote Areas

Elma Electronic has developed an advanced, rugged power system for use in mission-critical field applications deployed in harsh environments. The new RP24 Power System incorporates reinforced insulation to meet IEC Class II requirements, eliminating the need for a ground connection. The compact size of the 10

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Date:

07/07/2020

DC Power Supplies Available in 1U High Full, Half Rack Sizes

DC Power Supplies Available in 1U High Full, Half Rack Sizes

TDK Corporation announces the introduction of the G1kW and GH1kW series of 1U high 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

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Date:

07/07/2020

Industry's First Zero-Drift Hall-Effect Current Sensors

Industry's First Zero-Drift Hall-Effect Current Sensors

Texas Instruments (TI) introduced the industry’s first zero-drift Hall-effect current sensors. The TMCS1100 and TMCS1101 enable the lowest drift and highest accuracy over time and temperature while providing reliable 3-kVrms isolation, which is especially important for AC or DC high-voltage systems

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Date:

07/07/2020

Expanded N-channel MOSFET Lineup for General Applications

Expanded N-channel MOSFET Lineup for General Applications

Torex Semiconductor Ltd. has launched three new products of XP22x series (20 Withstand Voltage) for MOSEFET. The products which released this time are general-purpose N-channel MOSFET with low on resistance and high speed switching. It can be used for various applications such as relay circuits and switching ci

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Date:

07/03/2020

Digital-Controlled Totem-Pole PFC for Next-Gen Power Systems

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Table 1: 80 plus Efficiency Standard Requirements

Digital-Controlled Totem-Pole PFC for Next-Gen Power Systems

Bill Luo (Luo Zhizheng), Sr FAE, ACEINNA Transducer Systems and Jason Zhang (Zhang Liang), AE Director, Shenzhen Advantaged Power Limited

The pace and scope of the change overtaking the industry shows no signs of stopping. From advanced robotics, to medical wearables, to the smart grid, the amount of functionality presented to the public today is extraordinary. However, all that functionality needs power. Power is behind everythin

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Date:

07/02/2020

Reflections on Selecting Aluminum Electrolytic Capacitors

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Figure 1: Construction of an aluminum electrolytic capacitor

Reflections on Selecting Aluminum Electrolytic Capacitors

Norton Brissac, Senior Manager, Aluminum Electrolytic Capacitors, TDK Electronics

Aluminum electrolytic capacitors have become an important part of most electrical designs. As a result, the proper selection of these type of capacitors is crucial to the success of many designs. Engineers must understand how aluminum electrolytic capacitors work and how to select the most appropriate one for th

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Date:

07/02/2020

How to Be Prepared for a Prolonged Power Outage

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Figure 1. What happens when Mother Nature causes power outages?

How to Be Prepared for a Prolonged Power Outage

Ed Spears, Technical Marketing Manager, Eaton

Whether they’re facing threats from Gulf Coast tropical storms, Midwest snow events or unexpected tornadoes, ill-equipped businesses could see a significant blow from a prolonged blackout – including lost revenue, hardware damage, data loss and customer service complications. While an outage of any le

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Date:

07/01/2020

Key Considerations When Choosing an External Power Adapter

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Figure 1 - Typical DC plug options for an external desktop power supply (Source: CUI)

Key Considerations When Choosing an External Power Adapter

Ron Stull, Power Systems Engineer at CUI Inc.

A system is only as good as its weakest link, and the adapter or external power supply has to match the quality and performance of the end product to avoid an unhappy customer. More than just producing volts and amps, an adapter must also meet international statutory standards for safety and electromagnetic co

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Date:

07/01/2020

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