Power

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Current limiting thermistors handle 36A currents

Digi-Key is now stocking Ametherm’s SURGE-GARD series of NTC inrush current limiting thermistors. The SURGE-GARD series devices are capable of handling high steady-state currents to 36 A and input energy to 250 J. Available in multiple leaded package options with maximum diameters from 7.6 mm to 31.75 mm, the components offer resistance at +25 °C (R25) from 0.4 Ω to 220 Ω with tolerances down to ±10%, maximum operating voltage to 265 VRMS, and beta from 3000 °K to 3965 °K.
25th June 2014

150W medical desktop power supply is cost effective

150W medical desktop power supply is cost effective
Power Partners expands their medical power supply offering with the introduction of the PEAMD150 Series of AC/DC adapters that provide 150W in a compact 7” x 2.56” x 1.57” case. The PEAMD150 series is approved to the highest safety standards, including EN/ES60601-1 3rd Edition with Means Of Patient Protection (2 x MOPP) and meet FCC Class B limits of both radiated and conducted EMI.
25th June 2014

High-current PMBus converters integrate MOSFETs

High-current PMBus converters integrate MOSFETs
Texas Instruments introduces the industry’s first 18-V, 20-A and 30-A synchronous DC/DC buck converters with PMBus interface. The SWIFT TPS544B20 and TPS544C20 converters feature small QFN packages and integrated MOSFETs to drive ASICs in space-constrained and power-dense applications in various markets, including wired and wireless communications, enterprise and cloud computing, and data storage systems.
25th June 2014


420W 1/4 brick DC/DC converter is PMBus compliant

420W 1/4 brick DC/DC converter is PMBus compliant
Murata announced the DBQ series of isolated digitally controlled DC/DC converters. Incorporating a 32-bit ARM7 processor, the 420W regulated DBQ0135V2 model is the first in a series of DC/DC converters to include a PMBus compatible digital interface. The DBQ series is packaged in the industry standard quarter-brick format incorporating the Advanced Bus Converter (ABC) pinout for PMBus communications to an isolated DC/DC converter.
25th June 2014

AC power sources delivered in family of four

AC power sources delivered in family of four
Agilent Technologies has launched a family of basic AC power sources that deliver stable, reliable power for testing electronic devices during design and manufacturing. The new AC6800 series includes four models from 500 to 4000 VA output power, all with the quality and capability required for basic testing.
24th June 2014

LDO regulator saves space in portable applications

LDO regulator saves space in portable applications
Diodes Incorporated has announced the introduction of the AP7341, a 300mA-rated low dropout regulator in the miniature DFN1010-4 package. With a tiny 1.0mm x 1.0mm footprint and height of 0.4mm, the device aids the design of high-density circuits in portable products, including smart phones, media players and compact cameras.
23rd June 2014

Micrel Launches Intelligent Power Management Solution

Micrel has introduced the MIC23099 power management solution. The device is targeted at single AA/AAA battery cell applications. Operating from a minimum battery voltage as low as 0.85V, the MIC23099 integrates two switching regulators with an intelligent battery monitoring system that provides the necessary power, monitoring and control for today's most demanding portable applications. 
20th June 2014

Desktop Power Supplies Exceed 300W with Fanless Design

Desktop Power Supplies Exceed 300W with Fanless Design
PowerPax launch the latest in their comprehensive range of desktop power supplies with the new 310W series. Believed to be the first manufacturer to offer a range of single output inline external power supplies rated at over 300W, this new series includes models from 12vdc to 56vdc, including core products such as part number SW4604 rated to 12vdc 20.83A (250W), part number SW4605 which offers 24vdc 11.25A (270W) and part number SW4606 which provides a regulated 48vdc output at 6.45A (310W) max.
20th June 2014

Low Profile Flyback EFD20 Series for Offline Applications

Wurth Electronics Midcom has introduced a new series of offline discontinuous mode flyback transformers targeting low profile power applications. Dean Huumala, Product Marketing Manager for Wurth Electronics Midcom, said “We have recognized a need in the market for a low profile solution that not only offers good power capabilities, but also meets the offline safety agency requirements.” This particular series meets that need, whic,h while driven by the solid state lighting market, is well suited for any offline power supply.
19th June 2014

Power rating of 16th brick DC/DC converter series expanded

Power rating of 16th brick DC/DC converter series expanded
Semiconductor Circuits has expanded the power rating of the “Cool Power Technologies” wide input range 16th brick DC/DC converter series. These open frame modules provide up to 100W of output power at output voltages of 2.5, 3.3, 5.0, and 12V DC, suited for distributed power architecture applications or as a fully regulated intermediate bus converter.
19th June 2014


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