Power

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Power modules suit space constrained DC/DC applications

Monolithic Power Modules (MPM) from Monolithic Power Systems (MPS) are now being shipped by distributor Mouser Electronics. Providing superior performance and inherent reliability by eliminating unnecessary assembly steps and minimising external components, the MPM family comprises integrated DC/DC solutions that consist of a monolithic regulator, passive components, and a mould compound all in a single chip.
5th September 2016

Medical AC/DC power supplies can be paralleled

Medical AC/DC power supplies can be paralleled
  Single output AC/DC supplies in the CNS650-M series carry medical and ITE safety approvals and incorporate 2XMOPP (Means of Patient Protection). Artesyn provides them in an industry standard 4.0 x 6.0inch footprint.
5th September 2016

Monolithic 18V prioritiser provides low standby current backup power

Monolithic 18V prioritiser provides low standby current backup power
The LTC4420, a dual input monolithic power prioritiser for 1.8 to 18V systems has been introduced by Linear Technology. To enable portability, preserve memory during brownouts, and ensure a graceful shutdown on power loss, electronic systems employ batteries and capacitors for backup power.
5th September 2016


Designing safe, cheap batteries for grid level storage

Designing safe, cheap batteries for grid level storage
A convection oven cooks more uniformly because a fan creates a steady flow of hot air around the food being cooked. The research group of Fikile R. Brushett, the Raymond A. (1921) and Helen E. St. Laurent Career Development Professor of Chemical Engineering, is applying that principle to a new water-based battery design.
5th September 2016

Enclosed lithium battery holder accepts popular batteries

Enclosed lithium battery holder accepts popular batteries
Designed for CR2032 cells, and BR2032, ML2032 and LIR2032 batteries, the BQ2032-3 and BQ2032-6 battery holders will be exhibited by Memory Protection Devices (MPD). They are suitable for consumer or industrial products.
2nd September 2016

Buck-boost regulator minds brownout in mobile devices

Buck-boost regulator minds brownout in mobile devices
  Digitally programmable buck-boost regulators from Fairchild Semiconductor, are claimed to be its most advanced for power supplies in battery powered mobile devices, such as smartphones and tablets.
2nd September 2016

DC/DC converters focus on rail applications

DC/DC converters focus on rail applications
The new RP20-FR series of isolated 20W DC/DC converters from RECOM are now available at distributor Rutronik. Especially designed for railway applications, they are also ideal for industrial and telecommunication applications. The compact 2inx1in modules of the RP20-FR series feature a wide 4:1 input voltage range (9-36V, 18-75V, 43-160V) and therefore cover all standard battery-board levels including the ±40% tolerance margin.
1st September 2016

DC/DC converters have EN and UL certification for railways

DC/DC converters have EN and UL certification for railways
  For use in rolling stock, as well as industrial applications, the RP40-FR DC/DC converter series has been released by Recom.
1st September 2016

Synchronous step-down battery charger features MPPT circuitry

Synchronous step-down battery charger features MPPT circuitry
The LTC4013, a highly integrated, high voltage multi-chemistry synchronous step-down battery charger controller has been announced by Linear Technology. With a wide input voltage range that spans up to 60V, the LTC4013 uses temperature-compensated 3- and 4-stage charge algorithms to efficiently charge 12 and 24V lead-acid batteries.
1st September 2016

In batteries, a metal reveals its dual personality

In batteries, a metal reveals its dual personality
Battery researchers have been focusing on lithium metal electrodes as leading contenders for improving the amount of energy that batteries can store without increasing their weight. But lithium in this metallic form has a problem that has stymied much of this research effort: As the batteries are being charged, finger-like lithium deposits form on the metal surface, which can hamper performance and even lead to short-circuits that damage or disable the battery.
1st September 2016


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