Power Electronics / Power Management


Latest Articles

Power supplies: the correct voltage at the correct location
22 February 2006, Actum
Many developers, whether they are measurement and control technicians or electronic technicians, are confronted with the phenomenon of 'power supplies'. A re-occurring phenomenon is the supply of suitable ...

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Power supply units for DIN-rail mounting
22 February 2006, Retron
The PSU140 power supply units are particularly robust devices, according to their manufacturer, Feas. They are characterised by good voltage stability with a low level of ripple, without extensive regulation. A ...

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Adjustable power supplies for non-standard voltages
22 February 2006, Actum
Schroff has expanded its range of Maxpower 19-inch compatible AC/DC switching regulators to provide seamless coverage of the full voltage range between 4,5 V and 30 V. Applications in industry and telecoms ...

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New filtered power entry module
22 February 2006, Retron
Schurter has added the series 5120 filtered power entry module to its range. Refined for optimal performance, this new compact filter is particularly suited for single-phase power supplies used in industrial ...

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PWM controllers are 1% accurate to simplify DC-DC power conversion
22 February 2006
International Rectifier offers two 1% accurate, single output, synchronous buck PWM controllers with 4,5 V to 16 V input voltage capability. The IR3637SPbF and IR3637ASPbF are compact and simple solutions ...

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Driver IC powers up to eight white LEDs in series
22 February 2006
Toshiba Electronics Europe has expanded its constant-current white LED driver product line with a compact DC/DC converter IC for powering multisegment white LEDs used to backlight new, larger colour LCD ...

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3 W isolation transformer for DC/DC converter
22 February 2006, ASIC Design Services
Halo offers a new series of 3 W isolation transformers designed specifically for the Maxim MAX256 controller and H-Bridge driver. This circuit is well-suited for industrial controls, medical and telecommunications ...

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Power conversion ICs enable 36 W power supply designs
22 February 2006, MB Silicon Systems
Power Integrations has added a new family of power conversion ICs to its line: the TinySwitch-III. These new devices (TNY274-TNY280) are capable of delivering up to 36,5 W of continuous power without ...

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Choosing a power protection solution provider
22 February 2006
Power protection and conditioning equipment is par-for-the-course in any IT, telecoms or industrial environment. Whether you are choosing lightning protection, UPS back-up systems, inverters, power supplies ...

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Battery-less buffer module is maintenance-free
22 February 2006, Retron
With the use of special electrolytic capacitors, Feas has introduced a novel buffer module as an alternative concept for uninterruptible power supplies. The SSE05 buffer module, simply connected in parallel ...

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Slim DINs pack more power
22 February 2006, Vepac Electronics
XP Power's DNR range of slimline AC/DC DIN-rail power supplies pack more power onto a rail, or, alternatively, they shrink system size for a given power level, says the manufacturer. The RoHS compliant, ...

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Energy scavenging for remote sensors
22 February 2006, Altron Arrow
A recent concept being implemented to power circuits is using energy scavenging. This makes use of energy collection through solar cells, piezoelectric generators, or other energy conversion devices. ...

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Power supply for CompactPCI
22 February 2006, Actum
The maxpowerPRO power supplies from Schroff now have improved output power and a higher level of functionality to fulfil the increased demand of users in the telecoms, automation and test and measurement ...

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State-of-the-art primary side switch for AC/DC converters
22 February 2006
The new VIPer53E from STMicroelectronics includes a PWM driver, an MDmesh MOSFET, a start-up high-voltage current source and several on-chip protection circuits. The VIPer53E is an alternative choice ...

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Regulator buffer UPS for 12/24 V systems
22 February 2006, Retron
Feas' LDR4012 and LDR4024 Accupacks with charging regulators serve to buffer 12 V and 24 V systems. The Accupack LDR is connected between the line voltage and the installation, to provide DC to the ...

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Schottkys outperform traditional ultrafast rectifiers
22 February 2006
ON Semiconductor has pushed the Schottky voltage barrier above 200 V with its introduction of the first 250 V silicon Schottky for plasma/LCD television, power supply, consumer and automotive applications. ...

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Highly efficient switching regulator is an award winner
22 February 2006, Altron Arrow
STMicroelectronics has been named in the Top 10 DC-DC 2005 Awards by Electronic Product China (EPC) magazine, for its L5973 2 A step-down switching regulator. The highly efficient and easy-to-use device ...

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4 mm2 DC-DC converter delivers 300 mA
22 February 2006
Linear Technology's LTC3410 is a high efficiency, 2,25 MHz, synchronous buck regulator that can deliver up to 300 mA of continuous output current from an SC70 package. Using a constant frequency and current ...

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Integrated Mosfet/drivers more efficient and smaller than discrete solutions
22 February 2006
Vishay has released two high-speed converter solutions that integrate the control Mosfet, the synchronous Mosfet, plus the driver circuit in a low-profile, high-performance PowerPAK MLF 10 x 10 mm package. ...

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Offline primary switching regulator avoids EMI filtering
8 February 2006, Altron Arrow
The STR-A6251/51M/52 Series from Allegro MicroSystems Europe is a family of low-output power offline switching regulator ICs featuring a novel 'jittering' function that minimises the need for external ...

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