Power Electronics / Power Management


Latest Articles

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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Design: SEPIC regulator with zero input-ripple current
18 October 2006, Hi-Q Electronics
SEPIC (single ended primary inductance converter) topology offers a constant output voltage over a wide input voltage range. The input voltage can be lower, equal or higher than the output voltage. The ...

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LDO regulator has unique features
18 October 2006, Tempe Technologies, Altron Arrow, Electrocomp
Microchip has introduced what it says is the industry’s first 1,5 A LDO that incorporates shutdown, power good, programmable power good delay and bond-wire compensation on a single chip. The MCP1727 ...

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Economic power supplies
18 October 2006, RS South Africa
The Iso-Tech IPS303DD single output power supply unit from RS Components is used to power electronic circuitry. It can supply up to 30 V d.c., 0-3 A. The unit features separate 3-digit LED voltage and ...

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Current-shunt monitor is complete with integrated comparators and voltage reference
18 October 2006
A complete comparison solution that combines a high-side current-sense amplifier, two comparators and a voltage reference in a small 14-pin package is available from Texas Instruments. The unique integration ...

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Robust high-voltage ICs simplify HID ballast circuits and extend lamp life
18 October 2006, News & events
International Rectifier has introduced the IRS2453D family of integrated 600 V self-oscillating full-bridge driver ICs for HID ballast applications including general lighting, outdoor street lighting ...

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Power MOSFETs now available in high thermal efficiency compact package
18 October 2006, News & events
STMicroelectronics' new power devices that are assembled in the metal topped PolarPAK package, offer superior thermal performance and increased power density for components used in high current power ...

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Compatible POL solution for low current applications launched
18 October 2006
Power-One and Micrel have announced availability of a Z-One compatible solution for low-current applications. The solution is based on Micrel's MIC68000 family of linear regulators that are now interoperable ...

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NiMH battery charger IC detects and avoids charging defective or incorrect batteries
18 October 2006, CST Electronics, Electrocomp
Dallas Semiconductor has introduced a loose-cell NiMH charger integrated circuit that detects and avoids charging primary alkaline cells, Lithium primary cells, and defective NiMH or NiCd cells. Designed ...

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