Power Electronics / Power Management


Latest Articles

Pushbutton control for management of power systems
15 November 2006
Linear Technology's LTC2952 is a versatile power management IC with pushbutton on/off control for system power and system monitoring features. The power management function features two controllers suitable ...

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Mid-power rectifier IC is 'smart'
15 November 2006
Enabling smaller and cooler power supplies, International Rectifier's eight-pin IR1166 IC simplifies the design of mid-power secondary synchronous rectification (SR) circuits of resonant half-bridge converters ...

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Secure battery-backup controller
1 November 2006, CST Electronics, Electrocomp
Dallas Semiconductor’s battery-backup­controller for data protection in point-of-sale terminals, the DS3600, is the first in a family of secure battery-management products. It provides active tamper ...

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LED driver with analog and PWM dimming control
1 November 2006, Electrocomp, CST Electronics
The MAX16804 is a 350 mA, high-brightness LED driver from Maxim that features a high-voltage (40 V) PWM pin that allows a wide dimming range. A wide operating input-voltage range of 5,5-40 V helps protect ...

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Battery memory: myth or fact?
1 November 2006, Uniross Batteries
The word ‘memory’ was ­originally derived from ‘cyclic memory’; meaning that a ­nickel-cadmium battery could ­remember how much energy was drawn on preceding ­discharges. On a longer than scheduled discharge, ...

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UPS and extended battery back-up keeps website online
18 October 2006
On-line recruitment solution provider CareerJunction has secured its server room and 30 computer workstations against mains power failures by upgrading its existing UPS (uninterruptible power supply) ...

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Base station power supply units
18 October 2006
RF Cable & Connector Supplies has added two additional models to its popular Avenga 2000 series base station power supply unit. The AVE 2130 and AVE 2140 accommodate the Tait 2000 and 8000 mobile radios ...

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Business needs at the heart of new UPS range
18 October 2006
MGE UPS Systems has launched its new generation of Evolution UPSs, a high-frequency line interactive uninterruptable power supply range dedicated to network equipment. The new ultra-compact UPSs (1550 ...

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What to consider when choosing a hot-swap controller IC
18 October 2006, EBV Electrolink, Altron Arrow
Inserting or removing a circuit board from a live backplane can cause damaging transients unless appropriate design considerations are taken. ITraditional solutions have used an integrated circuit (IC) ...

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Power MOSFETs now in thermally-enhanced 4 mm² package
18 October 2006
Recognising the industry’s need for smaller, thinner, faster, cooler running and more reliable mosfet devices for portable applications, ON Semiconductor has introduced μCool (micro-cool) – a new family ...

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Deciding between a series or shunt voltage reference
18 October 2006, CST Electronics, Electrocomp
This article describes the main types of IC voltage reference (series and shunt), their advantages and disadvantages, and how to choose between them. You should decide which type is best for your application ...

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New-generation UPS management tool
18 October 2006
MGE UPS Systems’ new generation UPS management tool, the Enterprise Power ­Manager v2, (EPM) provides users (IT or facility managers) the capability to view, in a single window, a consolidated status ...

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Mid-power 48 Vin modules
18 October 2006
Vicor has added six mid-power Micro DC-DC converters to its 48 V d.c. input family: a 50 W model at 3,3 VOUT and 75 W models at 12, 15, 24, 28, and 48 VOUT. The modules - which incorporate Vicor's patented ...

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'Green' 160 W power supply solution has standby power under 1 W
18 October 2006
ON Semiconductor has unveiled a GreenPoint reference design for CRT-TV power supplies that consumes standby power of under a watt.    This energy-efficient 160 W reference design addresses all functional ...

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High performance 600 W power supply
18 October 2006, Centurion Micro Electronics
IEI's ACE-4860AP power supply is built for high power requirements, delivering 600 W of power output, mostly used for RAID and multicore computer systems. This ATX Industrial power supply that has a long ...

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Getting the most out of your batteries
18 October 2006, Uniross Batteries
A common difficulty with portable equipment is the gradual decline in battery performance after the first year of service. Although fully charged, the battery eventually regresses to a point where the ...

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Charger, converter and regulator combined in tiny package simplifies portable design
18 October 2006, Hi-Q Electronics, Surveillance, Training & Education
AnalogicTech claims its AAT2554 is the industry’s first power management IC to combine a 500 mA battery charger, 250 mA step-down converter, and 300 mA low dropout (LDO) linear regulator in a tiny 3 x ...

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300 W ATX mini redundant power supply
18 October 2006, Centurion Micro Electronics
The ACE-R4130AP Mini Redundant power supply from IEI is a very small, low noise and low ripple power supply that is able to fit into almost any standard sized power supply bracket. It comes supplied ...

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Design Note: Dual-input Li-Ion battery charger accepts USB and 6-36 V input
18 October 2006
There are a number of advantages to offering USB and high input voltage power and battery-charging capability in handheld devices such as GPS navigators, PDAs, digital still cameras, photoviewers and ...

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Mid-power 24 Vin modules
18 October 2006
Vicor has added eight mid-power Maxi DC-DC converters to the 24 V d.c. input family: a 3,3 Vout, 200 W model and 300 W models at 5, 12, 15, 24, 28, 36, and 48 Vout. The modules, which incorporate Vicor's ...

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