VPX power systems are a defense industry mainstay. New standards help boost efficiency by eliminating the need to over-specify supplies when handling outlier situations. GERALD HOVDESTAD BEHLMAN ELECTRONICS POWER Supplies have always been the problem child in electronic system design. Often, high-end systems are configured for specialized applications. As a result, power requirements tend to […]
Power Supplies
ICs provide sinusoidal drive for 3-phase BLDC motors
ON Semiconductor has announced three new devices for driving 3- phase BLDC motors via 180 degree sinusoidal waveforms. Designed for use in cooling fans of household appliances such as refrigerators, as well as games consoles and computing equipment, the LV8811, LV8813, and LV8814 have voltage ranges of 3.6 volts (V) to 16 V, 6 to […]
External ac/dc supplies Meet EU CoC Tier 2 Efficiency Standards
CUI today announced that the majority of its line of external ac-dc power supplies now meet the European Union’s (EU) Code of Conduct (CoC) Tier 1 and CoC Tier 2 efficiency standards. The European Union’s CoC Tier 1 effectively harmonizes the EU with US DoE Level VI and became effective as a voluntary requirement from […]
Converter for 48/12-V vehicle dual-battery systems handles more current
Linear Technology Corporation announces the LTC3871, a 100V/30V bidirectional two-phase synchronous buck or boost controller, ideal for 48V/12V automotive dual battery systems. Current 12V automotive systems are reaching their 3kW power limit due to the ever-increasing demand for more electrical devices. A newly proposed standard, LV148, combines a secondary 48V bus with the existing 12V […]
Handheld Power Quality Analyzer Measures up to 1 kHz
XiTRON Technologies, producer of precision test and measurement equipment for industrial, military and aerospace applications, introduces the XT3561 portable, three-phase, power quality analyzer. The easy-to-use handheld meter provides a full range of power, energy and power quality recording and analysis capabilities typically found in competitive units designed for commercial applications. In addition, the XT3561 offers […]
240-W external power supplies hit Level VI efficiency standards
SL Power Electronics announced the introduction of the TE240 Series external power supplies to its extensive Level VI+ family. The single-output TE240 Series models are highly efficient, Level VI+ compliant external power supplies designed for easy integration with test and measurement equipment and industrial applications that require enhanced levels of performance at higher power levels. Design […]
Power Electronics Resource Places GaN “At the Heart of Your System”
GaN Systems launches the electronics industry’s first online portal and newsroom solely focused on GaN power innovation – www.gannewsroom.com. Gannewsroom.com keeps the media and power design engineers up-to-date with respect to GaN innovations, and designing GaN transistors into electronic systems. Now power industry professionals have access to a central repository that contains press releases, videos, […]
Online configurator handles 600-W power supplies
Excelsys Technologies has enhanced its online Power Supply Configurator to align with the newly introduced CoolX Series of 600W convection-cooled power supplies. It has also added options for searching for new capabilities, features and functions offered by their very successful Xgen, UltiMod and Xsolo product lines. The enhanced online configurator enables system designers to quickly and […]
SP dc 150-A/600-V contactor withstands high break levels
TE Connectivity Ltd. (TE) (NYSE: TEL) recently released its new KILOVAC CAP120 high-voltage contactors. Used in military ground, military and commercial aerospace, and marine applications, this single pole, hermetically sealed 150 amp DC contactor provides reliability in harsh environments for long-lasting systems. Energy storage and power distribution systems require reduced-sized contactors able to withstand high […]
Prioritizer switches 18-V systems over to batteries in the event of power loss
Linear Technology Corporation introduces the LTC4420, a dual input monolithic power prioritizer for 1.8V to 18V systems. To enable portability, preserve memory during brownouts, and ensure a graceful shutdown on power loss, electronic systems employ batteries and capacitors for backup power. The LTC4420 normally powers the load from the higher priority main supply such as […]