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Transformer Power Factor and Impedance

Transformer Power Factor and Impedance

This article gives an overview of transformer impedance and short circuit stress.


Silanna Semiconductor Debuts CO2 Smart Power Family of High Efficiency 100W DC-DC Converters

Silanna Semiconductor Debuts CO2 Smart Power Family of High Efficiency 100W DC-DC Converters

The tiny buck converters, aimed at USB-PD applications, operate over 7 to 27 VDC inputs and supply 3.3 to 21 VDC


RECOM Announces the RPA150-Q Ultra-wide Input 150W DC/DC Series

RECOM Announces the RPA150-Q Ultra-wide Input 150W DC/DC Series

RECOM announces the RPA150-Q ultra-wide input 150W DC/DC series in a quarter-brick format.


Flex Power Modules Introduces DC/DC Converters with Ultra-wide Input Range

Flex Power Modules Introduces DC/DC Converters with Ultra-wide Input Range

Flex Power Modules features PKJ7200W, a series of EN50155-compliant DC/DC converter modules for railway rolling stock equipment.


Magnachip Merger Paused as Rival Enters with Competing Buyout Offer

Magnachip Merger Paused as Rival Enters with Competing Buyout Offer

Pending its merger with a Chinese private equity firm, Magnachip has now received a higher buyout proposal from a rival entity.


News Jun 17, 2021 by Shannon Cuthrell
EPC’s 1kW, 48VDC/12VDC Converter Offers a Power Density of 1226 W/in3

EPC’s 1kW, 48VDC/12VDC Converter Offers a Power Density of 1226 W/in3

The 1/8th brick sized demonstration board uses eGaN FETs switching at 1 MHz to deliver its best in class power density


E-PEAS Introduces Versatile New Buck-Boost ICs for Highly Efficient Energy Harvesting

E-PEAS Introduces Versatile New Buck-Boost ICs for Highly Efficient Energy Harvesting

E-PEAS features AEM10330 and AEM30330 PMICs distinguish themselves from the competition via their innovative buck-boost architecture.


NoMIS Power Group Receives $498K from Department of Energy

NoMIS Power Group Receives $498K from Department of Energy

New York startup lands $498,000 from the Department of Energy to develop silicon carbide semiconductors and modules.


News Jun 16, 2021 by Shannon Cuthrell
Transformer Losses and Efficiency

Transformer Losses and Efficiency

In this article we will learn about the four main types of transformer losses and calculations for finding the efficiency of a transformer.


Maxim’s Two Way Regulator Targets Supercapacitor-Based Backup

Maxim’s Two Way Regulator Targets Supercapacitor-Based Backup

The bidirectional, 2.5V-to-5.5V buck/boost regulator features 94% peak efficiency in a compact form factor.


RECOM Announces the Launch of a Range of Regulated SIP8 DC/DC Converters

RECOM Announces the Launch of a Range of Regulated SIP8 DC/DC Converters

RECOM announces the launch of a range of regulated SIP8 DC/DC converters with high power density and industrial temperature range.


Calculating the Turns Ratio of a Transformer

Calculating the Turns Ratio of a Transformer

The turns ratio, or the turns-to-turns ratio, is the ratio of the number of turns in the primary to the number of turns in the secondary.


Power Integrations Debuts a Family of ZVS Flyback Switcher ICs

Power Integrations Debuts a Family of ZVS Flyback Switcher ICs

The GaN-based units combine with the company’s ACF controller ICs to facilitate the design of USB-C mobile chargers


Murata Adds to its Broad Line Of DC-DC Converters with Three New Series

Murata Adds to its Broad Line Of DC-DC Converters with Three New Series

The three new series combine high efficiency, small size, low emi and low noise


How Silicon Carbide can Improve Switched Power Converter Designs

How Silicon Carbide can Improve Switched Power Converter Designs

When it comes to designing power converters, wide bandgap (WBG) technologies such as silicon carbide (SiC) are now a realistic option during…


Understanding the Design Basics of Isolation Transformers

Understanding the Design Basics of Isolation Transformers

Learn about the different types of isolation transformers and how they are designed.


Alpha and Omega Semiconductor’s New SPS Family is Aimed at Multiphase Voltage Regulators

Alpha and Omega Semiconductor’s New SPS Family is Aimed at Multiphase Voltage Regulators

The AOZ527xQI series from Alpha and Omega Semiconductor (AOS) provides three different DC current levels for optimal multiphase voltage regulation.


Murata’s 2W Bipolar Output SMT DC-DC Converters Address High-Voltage Gate Driver Applications

Murata’s 2W Bipolar Output SMT DC-DC Converters Address High-Voltage Gate Driver Applications

This article highlights Murata MGJ2 DC-DC converters exhibit an ultra-low isolation capacitance of just 3pF (typical).


Constructing and Operating an Autotransformer

Constructing and Operating an Autotransformer

Autotransformers are wired so that the primary and secondary circuits have a portion of their two windings in common.


XP Power’s New DC-DC Converter Series Delivers up to 6kV at 5 Watts

XP Power’s New DC-DC Converter Series Delivers up to 6kV at 5 Watts

With adjustable voltage outputs, the new DC-DC converters accept input voltages ranging from 22 to 30 VDC