Power Electronics / Power Management


Latest Articles

Single-device solution to power application microprocessors
7 February 2007
A new high efficiency synchronous DC-DC buck (step-down) converter in a unique 0,55 mm ultra-thin DFN package, which features an integrated low noise LDO, is being offered by On Semiconductor. Ideal for ...

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Reducing power-consumption in line-powered applications
7 February 2007, Electrocomp, Future Electronics, Tempe Technologies, Altron Arrow
Line-powered control applications need to use every possible power-saving feature and technique if they are to achieve an efficient power supply for low-voltage components. A minimal 50 mW of power to ...

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Motor control for variable-speed pumps enables energy consumption reduction
7 February 2007
International Rectifier has introduced a sensorless sinusoidal motor control platform that delivers quieter operation and higher efficiency for variable-speed pump applications up to 300 W. By effectively ...

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Saving energy = saving your money
7 February 2007, RS South Africa
It is simple: the more energy we use, the more money we pay. We need to learn how to optimise the use of energy in order to gain maximum value of every rand spent. Added to this is the shortage of generation ...

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Ensure the safety of door openers by current measurement
7 February 2007, Denver Technical Products
Power openers, used for garage doors, gates, shutters or awnings, are becoming more common in day-to-day life, and protection is a concern that must be taken into account during their design. Imagine ...

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Low-noise voltage refs claim lowest current draw
7 February 2007, Altron Arrow
Intersil's ISL21009 FGAT voltage references are high precision, low noise voltage references fabricated on Intersil's proprietary Floating Gate Analog technology. With this device, Intersil claims the ...

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High side current monitors feature wide input voltage range
7 February 2007, Communica
Supertex' two new high-side current monitor ICs feature a very wide operating range of 8-450 V. Both the HV7801 and the HV7802 devices also boast fast rise and fall times of 700 ns, low quiescent currents ...

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Medical/industrial PCB mount power supplies
24 January 2007, Current Automation
Mean Well has launched another low profile (127 x 76 x 30 mm) PCB type switching power supply to the market. The RPS/D/T-75 series targets medical and IT applications with the requirement of miniature ...

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28 V MIL-rated family of power systems
24 January 2007
The 28 V d.c. MIL-COTS VIPAC family of power systems is a new class of user-defined, modular power solutions for military COTS applications such as radar, military ground vehicle, communications equipment, ...

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Power units for LED lighting and signs
24 January 2007, Current Automation
Mean Well introduced two more product series for LED lighting purposes. The CLG-60 and PLN-60 series are 60 W AC/DC enclosed type switching power supplies with active PFC function. These limited power ...

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High-power lithium-ion - a new area in portable power
24 January 2007, Uniross Batteries
Until recently, applications for high current rate capabilities were reserved for nickel-cadmium and nickel-metal-hydride batteries. These applications include power tools and medical equipment. Much ...

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4 to 40 V LDO regulators
24 January 2007, Electrocomp, CST Electronics
Maxim's new ultra-low quiescent current, high-voltage, low-dropout (LDO) linear regulators are designed for harsh automotive environments. The MAX15006/7 can operate from a cold-crank voltage as low as ...

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Step-down converter enables smallest solution size
24 January 2007
AnalogicTech's AAT1149 is a 400 mA step-down converter that enables the use of the industry's latest 0603 footprint, 1 mm high inductors for the smallest possible total solution size. Coming in a small, ...

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Power supply unit for application microprocessors
29 November 2006
ON Semiconductor's NCP1526 is a high efficiency synchronous DC-DC buck (step-down) converter that includes a low noise LDO. Offered in a unique 0,55 mm ultra-thin DFN package, the device is designed to ...

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5 V power supply and battery pack for vehicles
29 November 2006, Electronic Products Design
Tri-M Systems and Engineering offers a 5 V power supply and battery pack for vehicular use. With up to 95% energy efficiency the V5SC features a 6 V to 40 V d.c. input range and 35 W capability. It delivers ...

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Space-saving 120 W external power supply for medical applications
29 November 2006, Vepac Electronics
XP Power offers a medically-approved, compact 120 W power supply for medical and other portable applications where high isolation and low leakage current specifications are required. The AMM120 is offered ...

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PoE controller simplifies PSE design
29 November 2006, Electrocomp
Linear Technology's LTC4263 is an autonomous single-channel power sourcing equipment (PSE) controller with an onboard MOSFET for use in IEEE 802.3af Power Over Ethernet (PoE) compliant systems. Requiring ...

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High current Li-Ion/Li-Polymer charge management controllers
15 November 2006, Electrocomp, Tempe Technologies, Altron Arrow, Future Electronics
Microchip Technology has launched the MCP73833 and MCP73834 single-cell, high current, Li-Ion/Li-Polymer linear charge-management controllers. These fully integrated devices combine several key charge-management ...

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Wide input step-down regulator delivers 3 A
15 November 2006, Altron Arrow
The new A8494 from Allegro MicroSystems Europe is a fixed off-time, current-mode-controlled, buck switching regulator IC that combines a 3 A current rating with a wide input voltage range of 8 V to 50 ...

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Next-generation of energy-saving MOSFET devices
15 November 2006, Electrocomp
At Power Systems World 2006, Infineon Technologies took the wraps off its family of next-generation power semiconductors used for DC-DC converter applications. According to the company, the new OptiMOS ...

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