Power

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Open frame power supplies meet international standards

Open frame power supplies meet international standards
A range of open-frame power supplies ideal for use in systems such as industrial controls, computing, test gear, network equipment and medical applications are now on sale at Dengrove Electronic Components. The latest RECOM RAC48/OF and RAC60/OF 48W and 60W power supplies are compliant with worldwide safety standards as well as the European ErP Directive.
30th January 2015

Doherty power amp enables control processing flexibility

Doherty power amp enables control processing flexibility
To address the needs of small cell designers, Cree has introduced the CDPA35045 asymmetric Doherty Power Amplifier (PA) reference design for the 3.5-3.7GHz band. This band is an additional spectrum space intended to complement small cell technology by providing increased wireless system capacity for both licensed wireless carrier services and unlicensed public use, such as WiFi.
30th January 2015

500W power supply features a typical efficiency of 92%

500W power supply features a typical efficiency of 92%
A 500W convection cooled AC/DC power supply, which features a typical efficiency of 92%, has been released by Excelsys Technologies. Operating from 90-264VAC, the XS500 delivers 500W output power without the need for forced air cooling. The device is, therefore, suitable for use in a wide range of acoustic and vibration sensitive applications as well as hi-rel applications where fans are not permitted.
29th January 2015


Battery manufacturers face the power budget quandary

Battery manufacturers face the power budget quandary
  Neil Oliver, Technical Manager, Accutronics, explains the power budget quandary medical device designers face, and how battery manufacturers can help.
29th January 2015

Load switch provides 36mΩ in 0.76x0.76mm package

Load switch provides 36mΩ in 0.76x0.76mm package
Offering a 2A, 1.1-3.6V power rail with controlled turn-on and -off profiles, the SC724, SC725, SC728 and SC729 load switches have been introduced by Semtech. The SC72X family is suitable for portable applications, including wearable electronics, portable video cameras, smartphones and tablets, as well as non-portable applications such as HDTVs, set-top boxes and networking devices.
29th January 2015

Battery balancer provides a stand-alone solution

Battery balancer provides a stand-alone solution
A single IC, stand-alone multicell battery balancer for 12V lead acid batteries has been introduced by Linear Technology. To balance battery charge, the LTC3305 absorbs charge from higher voltage batteries and transfers it to lower voltage batteries. Charge is transferred using a lower capacity battery that is sequentially connected across the batteries in the stack. When absorbing charge, the battery also absorbs energy, adding to the total energy in the stack and increasing capacity. 
28th January 2015

100W DC-DC converter offers typical full load efficiency of 93%

100W DC-DC converter offers typical full load efficiency of 93%
GE’s Critical Power business has extended its Orca family of isolated, board-mounted power amplifier modules with the ERCW003A6R 100W, a one-eighth brick DC-DC converter. The efficient converters provide high-voltage and high-power applications with up to 3.6ADC output current at a nominal output voltage of 28VDC.
28th January 2015

MOSFET driver's small package improves efficiency

MOSFET driver's small package improves efficiency
The first in a new product family, Microchip Technology has introduced two power MOSFET drivers in SOT-23 and 2x2mm DFN packages. The MCP14A005X and MCP14A015X are designed for applications including embedded power conversion, brushed DC motor, unipolar stepper motor and solenoid/relay/valve control in power supply, lighting, automotive and consumer electronics markets.
28th January 2015

AC/DC-optimised busbar system offers safety & reliability

AC/DC-optimised busbar system offers safety & reliability
Efficient drive systems, idle power loss reductions and the renewable energy sector all require safe, reliable DC solutions which, whilst they cannot replace AC applications across the board, are growing in importance. Addressing this need, Rittal has announced that it is to offer an approved standalone busbar system with standard components, optimised for both AC and DC applications.
27th January 2015

PWM controller delivers output currents of 20A

PWM controller delivers output currents of 20A
Designed for negative-to-negative or negative-to-positive DC/DC conversion, the LT8709 synchronous PWM controller has been introduced by Linear Technology. The device is unique in solving the problem of regulating a negative voltage with respect to system ground, without the need of complicated level shifting circuitry.
24th January 2015


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