Power Supplies & Magnetics

April 2018
3200W Digitalized 1U High-Efficiency Power Supply Operate at 90-264Vac Input Voltage
The DRP/DPU-3200 series are 3.2KW single output rack-type/enclosed type AC/DC power supplies in 1U low profile with high power density up to 37W/inch3. These series operate at 90-264Vac input voltage and offer models with the DC output mostly demanded by the industry. Each model is cooled by a thermostatically
. . . Read More
Date:
04/30/2018
Ultra-soft IGBT freewheeling diodes offer industry leading low losses
Infineon Technologies Bipolar GmbH & Co. KG launches a new diode family especially designed for modern IGBT applications: Infineon ® Prime Soft. This diode features an improved turn-off capability which now rates at 5 kA/µs. Prime Soft builds on the well-received
. . . Read More
Date:
04/26/2018
The Schaffner Group introduces ecosine active sync series, the new generation of modular, compact, effective and reliable active harmonic filters
Schaffner is again setting a benchmark with its product offering for harmonics mitigation solutions. ecosine® active sync utilises superior technology to reliably mitigate excessive harmonics with an evolutionary modular product concept.
. . . Read More
Date:
04/26/2018

Vincotech Joins the Charging Interface Initiative
Vincotech has joined Charging Interface Initiative e. V., an association set up by Germany's automotive luminaries to entrench the Combined Charging System (CCS) as the definitive technology for battery-powered electric vehicles (EVs).
. . . Read More
Date:
04/26/2018
Power factor correction: PQvar boosts energy efficiency and ensures load balancing
TDK Corporation presents EPCOS PQvar, a modular static var generator for active stepless power factor correction and load balancing in industrial grids and large commercial buildings. With a fast response time of less than 15 ms and a dynamic reaction time of 50
. . . Read More
Date:
04/26/2018
Ultra-Low-Power Switch Features
Santa Clara, CA.— GLF Integrated Power introduces the GLF76321 IQSmart IC with “Deep Sleep” power conservation mode. While in this mode, the device operates with a typical standby current (ISD) of just 7nA – which is negligible compared to the typical self-discharge of Li-ion batteries.
. . . Read More
Date:
04/26/2018
Ultra slim device guarantees 5kV isolation and 8.0mm creepage and clearance distances
Toshiba Electronics Europe today announced the launch of a new gate driver photocoupler housed in a low-profile SO8L package. The TLP5832 delivers 2.5A peak output current (IOPH,IOPL) and can directly drive medium-class IGBTs and MOSFETs in applications such as inverters
. . . Read More
Date:
04/25/2018
New Ultracapacitor and Battery-Powered DC UPS announced by BLOCK
BLOCK announces the introduction of two new 24V/40A uninterruptible power supplies. These DC input UPS ensure reliable availability of safety-critical systems in the case of power failure. BLOCK UPS supports 12V, 24V and 48V systems and can be either battery-powered
. . . Read More
Date:
04/25/2018
Renesas Electronics Introduces ISL91302B, ISL91301A, and ISL91301B Multiphase PMICs with Highest Efficiency and Smallest Footprint
Renesas announced three programmable power management ICs (PMICs) that offer the highest power efficiency and smallest footprint for application processors in smartphones and tablets: the ISL91302B, ISL91301A, and ISL91301B PMICs. The PMICs also deliver power to
. . . Read More
Date:
04/25/2018
Now in stock at TTI, Inc. and ideal for demanding automotive applications are Panasonic’s LP-Series power choke coils and ZE-Series Hybrid capacitors
Now available in Europe through TTI are Panasonic’s highly power efficient LP-Series power choke coils and ZE-Series Conductive Polymer Hybrid Aluminum SMD technology capacitors featuring a high ripple current (up to 2.0A) and a low ESR value.
. . . Read More
Date:
04/25/2018
WÃrth Elektronik eiSos expands its MagIÂC series of power module
With the MagI³C-VDMM (Variable Step Down MicroModule), Würth Elektronik eiSos expands its product series of power modules with high power density, very few external components and outstanding electromagnetic compatibility. The step-down converter with variable
. . . Read More
Date:
04/25/2018
High reliability thick-film resistors from TT Electronics get smaller
TT Electronics has announced the introduction of two additional resistor types that expand and enhance its high-reliability CR and HR series. The latest versions of these thick-film chip resistors are in the smaller 0603 size and hence offer greater opportunities
. . . Read More
Date:
04/25/2018
The pursuit of higher efficiency has been a driving factor in industry progress since electricity was first harnessed.  The introduction of solid state transistors in switching applications enabled the switching power converter and created a step function improvement in power conversion efficiency.  Advances
. . . Read More
Date:
04/25/2018
In-House Processing Brings Cost-Effective AI

Ally Winning, European Editor, PSD

Earlier this year I wrote a blog on Google and its tensor processing units. The company had just launched the second generation of its powerful ICs that provide the computing power for its vast datacentres around the world. The processors are specifically designed for the complex AI computational tasks found
. . . Read More
Date:
04/24/2018
It’s all about materials

Ally Winning, European Editor, PSD

Welcome to the May edition of PSD. This year seems to be constantly busy and the time is flying in. Maybe it is because the industry is on the crest of a wave at the moment, or it may be that the number of important events is increasing and we are constantly in the lead up to another one. This month, we start
. . . Read More
Date:
04/24/2018
SiC Cascodes: Fast-Track to Wide-Bandgap Performance and Efficiency

Figure 1. SiC cascode configuration

SiC MOSFETs can deliver impressive performance and efficiency gains in power-conversion circuits, but a clean-sheet design is needed for best results. SiC cascodes offer a drop-in replacement bringing instant access to many of the advantages of wide-bandgap devices. Drop In, Turn On Silicon
. . . Read More
Date:
04/24/2018
Automotive-Grade TVS Diode Arrays Ensure Maximum Reliability in the Harshest Environments
CHICAGO — Littelfuse, Inc. introduced two series of AEC-Q101-qualified TVS Diode Arrays (SPA Diodes). The AQHV and AQHV-C series are designed to provide very fast acting, high performance over-voltage protection devices ideally suited for power interfaces, passenger charging interfaces, and
. . . Read More
Date:
04/24/2018
Fundamentals of Switching Regulators

Figure 1: Linear regulator

Electronic equipment uses ICs in order to function, requiring a DC voltage as the supply input at various voltage levels. The AC power line (utility supply wall outlet) or DC power (batteries, solar panels, etc.), are the main power inputs. DC-DC power conversion technology enables these energy sources to be
. . . Read More
Date:
04/23/2018
TMR 3WIR and TMR 6WIR Series
The TMR 3WIR and the TMR 6WIR series are a set of 3/6 Watt DC/DC converters in a SIP-8 metal case. The design purpose of these series was to miniaturized low power DC/DC converters for railway application to the maximum without sacrificing highest efficiency. They
. . . Read More
Date:
04/19/2018
KAIST Develops Sodium Ion Batteries Using Copper Sulfide

This is the sodiation process of copper sulfide.

A KAIST research team recently developed sodium ion batteries using copper sulfide anode. This finding will contribute to advancing the commercialization of sodium ion batteries (SIBs) and reducing the production cost of any electronic products with batteries. Professor Jong Min Yuk and Emeritus Professor
. . . Read More
Date:
04/17/2018
A Higher-Energy, Safer and Longer-Lasting Zinc Battery
College Park, Md. -- Again establishing the University of Maryland (UMD) as a leader in the development of groundbreaking battery technology, a team led by researchers at UMD's A. James Clark School of Engineering has created a water-based zinc battery that
. . . Read More
Date:
04/16/2018
Synchronous buck-boost converters with four power switches can deliver very high efficiency while providing both step-up and step-down DC/DC conversion. Combining the capabilities of two separate converters (buck and boost) has the advantage of reduced solution size and cost. Four-switch converters should be
. . . Read More
Date:
04/16/2018
One year on, how does the Analog Devices takeover of Linear Technology look?

Ally Winning, European Editor, PSD

It’s been almost a year a year to the day (10th March) since Analog Devices announced that the company had completed its approximately $15 billion takeover of Linear Technology. The initial announcement had come as a shock to the industry, in that one of the seemingly few remaining large privately
. . . Read More
Date:
04/16/2018
2018 Will be a SiC Year
We’ve been playing soothsayer a lot lately, but if you strolled the halls of the Henry B. González Convention Center at APEC 2018, one theme was absolutely inescapable – the ubiquity of silicon carbide (SiC). 2018 should be its coming-out party. Nearly every company we visited chatted up the
. . . Read More
Date:
04/10/2018
A Smart Solution for Smart Meter Power-Path Management

Figure 1. Circuit schematic

Some smart meter applications require an external wireless communication module to be attached to them. The power requirements imposed are that the module should limit its supply current to be within a 100 – 150mA range. There is also a requirement for a super capacitor (supercap) backup supply to continue
. . . Read More
Date:
04/10/2018
How to Prevent Solid State Relay Failure in Power Supplies for Industrial Systems

Figure 1. Advantages of solid-state switching technology

What do large industrial/commercial HVAC and refrigeration systems, heavy duty transportation, conveyor belts, assembly lines, medical, energy and other complex manufacturing systems all have in common? Electrical motors. Big and expensive electrical motors that, if their power supply system overheats, can be
. . . Read More
Date:
04/10/2018
Optimized Buck Regulators with Integrated MOSFETs Raise Power Density to New Levels

Figure 1. The FAN6500XX in a typical application

Integration is fundamental to solid-state electronics — the ability to bring together similar and complementary functions into a single device drives the entire industry. When coupled with developments in packaging, wafer handling and lithography, feature density continues to rise, delivering more efficient
. . . Read More
Date:
04/09/2018
The Industry’s First Batteryless Electronic UHF Retail Price Tag
PITTSBURGH -- Powercast Corporation announced that it will demonstrate the industry’s first Batteryless Electronic UHF (Ultrahigh Frequency) Retail Price Tag at RFID Journal LIVE! (Booth #1260) being held in Orlando, April 10 – 12. It is a finalist for the show’s
. . . Read More
Date:
04/09/2018
2 Amp Step-Down Switching Regulators Achieves Efficiency up to 96%
TRACO POWER has announced the new TSR 2 series of step-down switching regulators that are drop-in replacement for inefficient LMxx linear regulators. A high efficiency up to 96 % allows full load operation up to +67°C ambient temperature (full-load) without any heat-sink or forced cooling. The TSR
. . . Read More
Date:
04/09/2018
RS Components delivers flexible, cost-effective rack power with modular RS Pro PDUs featuring power management options
RS Components has introduced easily upgradeable power distribution units (PDUs) to its high-quality high-value RS Pro range, which give flexibility to retrofit power metering or networked power monitoring cost effectively and with minimal disruption.
. . . Read More
Date:
04/09/2018
Imec and Qromis Present High Performance p-GaN HEMTs on 200mm CTE-matched Substrates
imec and Qromis, have announced the development of high performance enhancement mode p-GaN power devices on 200mm engineered Coefficient of Thermal Expansion (CTE)-matched substrates, processed in imec’s silicon pilot line. The substrates are offered by Qromis
. . . Read More
Date:
04/09/2018
STMicroelectronics’ ACEPACK IGBT Modules, Now at Mouser, Deliver Highly Integrated Power Conversion Up to 30kW
Mouser Electronics is now stocking the ACEPACK IGBT modules from STMicroelectronics (ST). Part of a new plastic power module family developed mainly to address industrial applications, the Adaptable Compact Easier PACKage (ACEPACK) modules provide economical and
. . . Read More
Date:
04/09/2018
Harwin Introduces Ultra-Compact Fine Pitch Cable-to-Board Connector Offering
Continuing to extend the breadth of its interconnect solutions, Harwin has announced the latest addition to the M40 series. With phosphor bronze contacts that are rated for currents of up to 1A, these lightweight, low profile 1mm pitch units are the smallest in the
. . . Read More
Date:
04/09/2018
High power LTKAK Series TVS Diodes from Littelfuse offer superior clamping compared to standard silicon avalanche diodes - now in stock at TTI, Inc.
The new LTKAK Series TVS Diodes from Littelfuse is now available in Europe through TTI. Offering superior clamping characteristics compared to standard silicon avalanche diodes, the LTKAK Series features Littelfuse Foldbak technology, which provides a clamping voltage
. . . Read More
Date:
04/09/2018
ÂμModule Boost Regulator Designed for Low Voltage Optical Systems
NORWOOD, Mass.--- Analog Devices, Inc. announced the Power by Linear LTM4661, a low power step-up µModule regulator in a 6.25mm x 6.25mm x 2.42mm BGA package. Only a few capacitors and one resistor are required to complete the design, and the solution occupies less than 1cm² single-sided or 0.5cm² on double-sided
. . . Read More
Date:
04/09/2018
Next Generation 2/3 Watt SIP-8 DC/DC converters
TEC 2/3 (WI) are new series with the design purpose to improve the prevalent 2/3 Watt SIP-8 DC/DC converters (eg. TMR 2/3E) in terms of cost, efficiency and performance. The latest technology and components
. . . Read More
Date:
04/09/2018
The Smallest Cartridge Fuses Available With Current Ratings From 40A to 63A and a 2,000A@500VAC Interrupting Rating
CHICAGO — Littelfuse, Inc. introduced the smallest cartridge fuse series available that’s rated at 500VAC with current ratings from 40A to 63A and a 2,000A@500VAC interrupting rating. The 606 Series high-current Cartridge Fuse is designed for overcurrent protection in applications such as
. . . Read More
Date:
04/04/2018
Compact 6x32 mm Fuse Designed for Applications Requiring High Voltage and High Interrupting Rating
Bel Fuse-Circuit Protection announces the 0ADA Series of fuses, which are available now in ceramic cartridge and pigtail, axial leaded options for AC and DC for high voltage and high interrupting rating applications. The 6x32 mm 0ADAC ceramic cartridge fuses and the 6x32 mm 0ADAP
. . . Read More
Date:
04/03/2018
In recent years, significance of semiconductor module for photovoltaic power conversion systems is increasing. Especially higher output power with existing housing size of power module is important to realize further downsizing or rating upgrade for its systems. For realizing higher
. . . Read More
Date:
04/03/2018