Latest Electronic Power Supplies News

Stadium ensures redundant supply is small

Stadium Power is selling a 800W 1+1 micro redundant 1U industrial PC power supply for secure bulk power applications including digital imaging, storage systems, telecom/broadcast systems, and industrial PCs Standard features of the M1V2-5801V4H include 90-264Vac universal input voltage, typical efficiency 88% at 230Vac and operating…

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TDK adds 600W DC power supply

TDK has introduced 600W output power models to its TDK-Lambda Z+ series of high voltage programmable DC power supplies. As with the 200W, 400W and 800W models, these 600W models are offered with output voltages of up to 160, 320 or 650Vdc and carry a five-year warranty.  The…

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Supercap balancer for six cells

Rohm has introduced a supercapacitor balancing IC for automotive start-stop systems that can handle four to six capacitors. Called BD14000EFV-C, it can be set to handle cells from 2.4 to 3.1V (in 100mV steps), and multiple chips can be connected to handle series capacitor stacks beyond…

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Buck chip runs from 4 to 140V

Linear Technology has released a buck converter than runs from inputs between 4V to 140V, with 12µA quiescent at zero load without loosing regulation. Called LTC7138, it can deliver 400mA and is intended for telecom, industrial, avionic and automotive applications. For tough environments, there is a -55 to +150C…

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500W convection-cooled medical-industrial PSU

Typical efficiency of 92% has allowed Excelsys Technologies to design a convention-cooled 500W power supply. XS500, as it is known, carries dual safety certification: EN60950 2nd Edition for industrial applications and EN60601-1 2nd and 3rd Edition for medical applications, meeting the stringent creepage and clearance requirements. Input to…

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Small size 500W supply for medical apps

SL Power Electronics has introduced the MINT1500 AC/DC 500W power supply for use in medical devices and industrial test equipment. Designed for horizontal or vertical configuration in a 3.3x7x1.5-inch size, the power supply features a universal AC input of 90 to 270Vac and DC output range…

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Tiny load switch handles 7A

In a 1.2 x 2mm package, Micrel is offering a 7A load switch. Called MIC95410, it can switch power busses from 0.5 to 5.5V, although needs a separate 2.7-9V rail to power the die – which needs a 4.7?F ceramic bypass. On-resistance is…

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Sensor-less brushless DC motor controller

Sensor-less brushless dc motors do not have to be hard to drive, claims Allegro MicroSystems. “Start-up and run commutation can be customised for individual motors and loads by adjusting a few default parameters,” said the firm. “It can be used as a stand-alone controller communicating directly with…

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