Power Electronics / Power Management


Latest Articles

Power management ICs combine discrete functions to provide compact solutions
7 September 2005, Altron Arrow, Tempe Technologies, Fire & Safety
Microchip has introduced a series of power management ICs that combine a synchronous buck switching regulator, low dropout (LDO) regulator and power-good function into single-chip solutions. The TC1303/TC1304 ...

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Triple-output charge pump regulator
7 September 2005, Hi-Q Electronics
AnalogicTech's AAT2820 charge pump regulator IC generates three regulated output voltages to meet the needs of portable devices that now integrate CCD camera chips and TFT displays that require positive ...

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Point-of-load supply tracker IC
7 September 2005
Linear Technology's LTC2927 is a single power supply tracking controller to simplify the tracking and sequencing requirements of complex distributed power architectures. The compact device (8-lead SOT-23 ...

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Stepper-motor driver IC has built-in translator
24 August 2005, Altron Arrow
The A3982 from Allegro MicroSystems Europe is a new bipolar stepper-motor driver IC that features built-in translator circuitry to make it easy to interface to microprocessor-based control systems in ...

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Compact AC-DC front-end power supplies
24 August 2005, Vepac Electronics, Integrated Solutions
Artesyn Technologies offers a series of compact 250 W AC-DC power supplies for use as front-end conversion solutions for systems with distributed power architectures. The NLP250 series power supplies ...

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DC-DC converter is now ROHS compliant plus is protected
24 August 2005, Brabek
Recom has redesigned the RY-xxxxSCL/DCL series DC-DC converter to comply with ROHS regulations. In addition to the ROHS compliance, the redesign has allowed the addition of continuous short circuit protection ...

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Protected high-side 1 A load switch has selectable current limit
24 August 2005, Altron Arrow, EBV Electrolink
Vishay's new protected high-side load switch can operate under a supply voltage range of 2,4 V to 5,5 V and handle a continuous output current of 1 A, with the threshold current set by a single external ...

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Low noise step-down regulator
24 August 2005
Linear Technology's LTC3448 is a high efficiency, 2,25 MHz (or 1,5 MHz) synchronous buck regulator IC that can deliver up to 600 mA of continuous output current. It operates in two modes; first, when ...

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USB/AC power management IC has advanced safety features
10 August 2005, Altron Arrow, Information Security
National Semiconductor has introduced a very small, single-chip, dual-input USB/AC battery charger and power management IC that it claims safely charges and maintains single-cell Lithium-ion (Li-Ion) ...

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The development of a reverse-blocking IGBT for use in matrix converters
10 August 2005
Currently, the method most often used to control the frequency of three-phase AC power in equipment for power applications uses inverters. The matrix converter method is currently the focus of attention ...

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'Smart' programmable chip for electricity metering
10 August 2005, Altron Arrow
STMicroelectronics has announced the availability of a new device that incorporates all of the core circuitry required to implement fully electronic electricity meters. The STPM01 addresses a wide range ...

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Hot-swap SIP with active EMI filter
10 August 2005, Integrated Solutions, Products & Solutions
Vicor subsidiary, Picor's QPI-8, is the industry's first system-in-a-package (SiP) device designed to integrate the total hot-swap function with an active EMI filter. As a complete solution, this integrated ...

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Modular UPS system allows for upgrading
10 August 2005, Rittal
The availability of systems and the reliability of data centres are a deciding factor in the efficiency and productivity of business processes. With the new UPS system power modular concept (PMC), Rittal...

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Non-isolated DC-DC converter series
10 August 2005, Electrocomp
Bourns has launched the 10 A and 16 A, 8,3 V-14,0 V input voltage range, X and XT series of non-isolated DC-DC converters. These series offer designers cost and space efficient solutions with standard ...

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Continuous wave programmable AC power sources
10 August 2005
Elgar's Continuous-Wave (CW) Series power sources deliver from 800 to 1250 VA and 2500 VA. The low profile design of the CW Series makes them suitable for benchtop use. The switchmode, power-factor-corrected ...

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Chip set is smaller for POL converters
10 August 2005
A new 20 V DirectFET MOSFET synchronous buck converter chip set has performance similar to a pair of SO-8 MOSFETs with a 40% size reduction. International Rectifier's IRF6610 and IRF6636 small can DirectFET ...

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Power management solution sets for 12 V telecom cards
27 July 2005
ON Semiconductor presented a sample of its AdvancedMC-compliant, power conversion solutions for +12 V telecom subsystems at the recent PCIM Europe in Germany. The design options for computing cards, ...

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LED driver delivers up to 350 mA from single cell
27 July 2005
Linear Technology's LTC3490 is a synchronous boost DC/DC converter optimised for driving high current white LEDs. The LTC3490 operates at up to 90% efficiency, maximising battery run time while its ...

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Rugged high voltage gate driver ICs feature sophisticated functions
27 July 2005
International Rectifier has introduced a series of high voltage IGBT control ICs with a sophisticated set of protection functions. In addition to these advanced functions, the company says that these ...

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Batteries for life
27 July 2005, Altron Arrow
The world is going wireless. Currently, there are approximately 80 million wireless-monitoring systems in use worldwide, serving applications ranging from building automation to vibration-monitoring systems ...

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