Power Electronics / Power Management


Latest Articles

Remote controller for sine wave inverters
12 May 2010, Current Automation
Mean Well has launched three remote controllers to fulfil the long distance control requirement of the company’s DC/AC true sine wave inverters. With 94V-0 rated plastic case, these control units can ...

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IGBT sixpack with shunts
12 May 2010, Electrocomp, EBV Electrolink
Infineon’s MIPAQ base development unites the latest IGBT technology with internal sensors for accurate current sensing in the well-established EconoPACK 3 package. The 1200 V, 75–150 A solution is targeted ...

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AC/DC modules with reduced standby power
12 May 2010, Vepac Electronics
MTM has developed a series of primary switchers with low power consumption in unswitched mode, exhibiting standby power consumption below 1 W, typically around 300 mW. The AC/DC power module series ...

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High-frequency buck converter
12 May 2010
The AP5100 step-down converter from Diodes Incorporated has been designed to bring space savings and high efficiency to set-top box, modem and distributed power applications. Provided in the compact 6-pin ...

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Surface mount PIN diode
12 May 2010, CST Electronics
The SMP1302-085LF is a surface mountable, low-capacitance silicon PIN diode designed by Skyworks as a shunt connected PIN diode for high-power, high-volume switch and attenuator applications from 10 MHz ...

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Package combines MOSFET and Schottky diode
12 May 2010, MB Silicon Systems
Central Semiconductor recently released the CMLM8205 ‘Multi Discrete Module’ in the SOT-563 surface mount package. This device features a 50 V, 280 mA P-channel enhancement mode MOSFET and an isolated ...

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Medically-approved power supplies
12 May 2010, Accutronics
TDK-Lambda’s NVM175 range of medically-approved AC-DC power supplies combine 4,5 kV a.c. reinforced input to output isolation with dual fusing and an output-to-ground isolation of 1500 V a.c., to ensure ...

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Fully integrated load switch
12 May 2010, EBV Electrolink
Texas Instruments has introduced a fully integrated load switch with low typical on-resistance of 5,7 mW at 3,6 V. The TPS22924C integrates at least four parts into one to simplify subsystem load management. ...

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1 A voltage regulators
12 May 2010
ON Semiconductor has introduced five new CMOS linear voltage regulator families. The NCP69x families are optimised for use in low current consumption portable battery-powered and ‘always on’ applications ...

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The evolution of power supply technology
28 April 2010
In a relatively short time, semiconductor-based electronic systems have developed at an exponential rate. It started with the first integrated circuit, developed in the 1950s, comprising just two transistors ...

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12-channel power supply sequencer
28 April 2010, Altron Arrow
Texas Instruments recently introduced a 12-channel sequencer and system health manager with fan control and multiphase PWM clock generator. The UCD90124 integrates system power management and system ...

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Dual-input Li+ battery charger
28 April 2010, CST Electronics
The MAX8934 from Maxim is a dual-input linear charger which monitors battery temperature and automatically adjusts the charge current and termination voltage to a safe level according to temperature. ...

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2,5 MW inverter for wind turbines
28 April 2010
Power-One has developed a 2,5 MW inverter for use in large off-shore and on-shore wind turbines. It has already delivered the unit to a leading US wind turbine manufacturing company and also expects it ...

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AC-DC full-brick power supplies
28 April 2010, Accutronics
Complementing the PFE range of AC-DC full-brick power supplies, TDK-Lambda has introduced the PFE-S series with enhanced circuitry to improve lightning surge capability (up to 6 kV) and line interrupt ...

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20 V step-down regulators
28 April 2010
Analog Devices’ ADP2300 and ADP2301 are new 20 V, 1,2 A DC-DC switching regulators which integrate a high-side MOSFET that delivers power conversion efficiencies greater than 90%. The new regulators also ...

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Wireless electricity monitor
28 April 2010, MANTECH
The CM119 wireless electricity monitor from OWL provides up to the second information on the amount of electricity a target system is using in terms of power, cost and carbon footprint. This allows the ...

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160 W AC-DC adapter
28 April 2010, Current Automation
The GS160 series is the newest addition to Mean Well’s AC/DC adapter lineup, and provides 160 W operation while complying with worldwide regulations for external power supplies. Possessing very low ...

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Solar panel junction boxes
28 April 2010
The SolarSpec junction box design from Molex, with trim profile and robotic-assembly features, simplifies the process of assembling silicon photovoltaic (PV) systems and enables PV panel manufacturers ...

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Designing power supplies with 95% efficiency
28 April 2010, Vepac Electronics
The size or power density of a power supply is a key criterion when selecting the optimum product for a given application. In applications where fans are not desirable due to noise or reliability concerns, ...

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Power conversion ICs
28 April 2010, MB Silicon Systems
Power Integrations recently launched TOPSwitch-JX, a highly integrated family of 16 power conversion ICs incorporating a 725 V power MOSFET for use in flyback power supplies. The device’s multimode control ...

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