Power Electronics / Power Management


Latest Articles

Linux USB interface for UPSs
19 October 2005
MGE UPS Systems has introduced a Linux USB interface for UPSs. The company, a leader in high availability power solutions, is a major contributor to the Network UPS Tools Open Source project and is now ...

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Adjustable or fixed-output step-down DC-DC converters
19 October 2005, Altron Arrow
The TPS6211x devices are a family of low-noise synchronous step-down DC-DC converters from Texas Instruments that are ideally suited for systems powered from a 2-cell Li-ion battery or from a 12 V or ...

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Higher current D2Pak MOSFET also has lower on-resistance
19 October 2005
International Rectifier's 160 A-rated, seven-pin IRF2907ZS-7PPbF, expands the company's family of high performance 75 V and 100 V HEXFET synchronous rectification MOSFETs. The 160 A rating provides an ...

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Variable transformers more easily installed
19 October 2005, Retron
The 25-400 VA MTL transformers from Murrelektronik have a novel and compact design. The redevelopment of all transformer components has meant that many useful features have now been integrated. For example, ...

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SMPS unit for virtually any application
19 October 2005, Retron
With PIP Power, an extended product range of switched-mode power supplies from Murrelektronik, an optimal solution for virtually every customer application, fulfilling economical, size and functionality ...

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Configuration software for power distribution systems
19 October 2005, Rittal
'Rittal Power Engineering' is Rittal's new configuration software that provides system planners with a tool for simpler, faster configuration of low-voltage distributors with its SV-TS8 Maxi-PLS or SV-TS8 ...

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DC electronic load offers voltage dropout protection
19 October 2005
The LD300 DC electronic load from Tti (Thurlby Thandar Instruments) has been enhanced by the addition of a low voltage dropout facility. This feature is designed to protect sources such as batteries from ...

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PWM controller has integrated MOSFET drivers
19 October 2005, Altron Arrow
The ISL6308 from Intersil is a new three-phase PWM control IC with integrated MOSFET drivers. The integration of power MOSFET drivers into the controller IC marks a departure from the separate PWM controller ...

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How do you decide on an uninterruptible power supply?
19 October 2005
A key consideration in deciding on the purchase of a UPS is the degree of protection afforded in mitigating against power variations, power failures, 'brown outs' and, particularly on the Highveld, lightning-induced ...

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Space-efficient 3-pin reset generator circuits
5 October 2005
Analog Devices offers a range of reset generator circuits designed for use in microprocessor-based systems to monitor power supply voltage levels from 5 V down to 2,5 V. Their reset output signals are ...

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30 A DC-DC converter for radios
5 October 2005
RF Cable & Connector Supplies has added to its range of AvengA power supply products a 30 A 24-12 V DC to DC converter, the AVE2412/30A. this is the big brother of the existing popular 15 A variant that ...

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High-voltage adjustable LED driver
5 October 2005, CST Electronics, Electrocomp
Maxim has introduced an adjustable linear current regulator that can provide up to 350 mA of current to one or more strings of high-brightness LEDs. A wide operating input-voltage range of 6,5 V to 40 ...

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Development kit for digital power controllers
5 October 2005, NuVision Electronics
Silicon Laboratories' comprehensive development kit for the Si825x family of digital power controllers is a complete hardware and firmware development system that requires users to write little or no ...

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Combination PFC/PWM controller simplifies power supply design
5 October 2005
ON Semiconductor's NCP1603 is a combo PFC/PWM controller with integrated standby and high voltage startup capabilities. It combines a power factor correction (PFC) controller chip and a pulse width modulation ...

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1% accurate battery monitors are tiny
5 October 2005, Electrocomp, CST Electronics
Maxim offers new battery monitors packaged in an ultra-small 1 x 1,5 mm microDFN package, making them the smallest battery monitors currently available, it claims. The MAX6775-MAX6781 consume only 3 μA ...

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Quad MOSFET driver ICs for capacitive loads
5 October 2005, Communica
The MD1810 and MD1811 are two new high-speed quad MOSFET driver ICs from Supertex. They are designed to drive N- and P-channel MOSFETs in applications that require a high output current for a capacitive ...

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Battery back-up supervisory circuits
21 September 2005
In some computer applications, it is desirable to provide battery-backup support for external RAM, so that in the event of a power brownout, a battery can supply power to the RAM unit and data stored ...

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350 W switched power supply
21 September 2005, Current Automation
Mean Well has launched the USP-350 series, a 350 W U-bracket power supply with power factor correction (PFC) function. For the growing demand of low-profile middle wattage applications, it features soft ...

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Surface-mount adaptation of FunctionPAK for easy prototyping
21 September 2005, Altron Arrow, EBV Electrolink
Vishay Intertechnology is making all of its FunctionPAK DC-DC converters and current control modules available in a new surface-mount adaptor board configuration for engineering prototype assembly. While ...

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High performance dual output PWM-drivers
21 September 2005
The IR3621M and IR3621F are voltage-mode, dual output bi-phase synchronous buck controller-driver ICs for high performance point-of-load (POL) converters. The IR3621 includes a full suite of power management ...

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