Power Electronics / Power Management


Latest Articles

New line of 'smart' battery chargers
19 April 2006, Current Automation
Current Automation has launched a new product line of smart battery chargers from Power Master, which features automatic multirate charging functions. The ABC range of battery chargers offers three-stage ...

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15 W DC-DC converters
19 April 2006, Current Automation
Mean Well has introduced a new member to its line of enclosed type DC-DC products (the SD series). The new SD-15 series are 15 W DC-DC converters that comply with LVD and EMC directives and bear the CE ...

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Charger IC for Xenon photoflashes
19 April 2006, Altron Arrow
Allegro MicroSystems Europes' range of xenon photoflash capacitor charger ICs with integrated IGBT driver circuitry feature selectable primary-peak current settings, an integrated 40 V Mosfet and a small ...

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1 A Schottky rectifiers now in small flat lead package
19 April 2006, MB Silicon Systems
Central Semiconductor has released its new CMMSH1 series of 1,0 A Schottky rectifiers in the flat lead SOD-123F surface mount package. This new series has peak repetitive reverse voltages of 20 V (CMMSH1-20), ...

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Smart rectifier IC cuts parts count
19 April 2006
The new IR1167 SmartRectifier IC for AC-DC power converters for portable computing and entertainment systems, simplifies and improves efficiency in secondary synchronous rectification (SR) in high power ...

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Low-power and noise DC-DC converters
6 April 2006, Altron Arrow, Electrocomp, Tempe Technologies
Microchip claims that its MCP1256/7/8/9 family of positively-regulated charge pump DC-DC converters are amongst the most efficient charge pumps in the industry. The fractional charge pumps automatically ...

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‘SmartRectifier’ IC cuts part count
6 April 2006
International Rectifier's IR1167 SmartRectifier IC for AC-DC power converters for portable electronics equipment, is claimed to simplify and improve efficiency in secondary synchronous rectification (SR) ...

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Single-chip multimedia power-management device
22 March 2006
STMicroelectronics' compact single-chip power-management device, the STw4810, is designed as a partner for any multimedia application processor engine (APE), including ST's STn881x Nomadik processors, ...

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Single-chip PoE controller designed for low-voltage auxiliary power sources
22 March 2006, Altron Arrow
National Semiconductor recently released what it claims is the industry's first single-chip solution specifically designed for power over Ethernet (PoE) devices that operate from alternative power sources ...

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Power conversion ICs now in SMD-8B package
22 March 2006, MB Silicon Systems
Power Integrations has added two more members to its TOPSwitch-GX, high-voltage power conversion IC family. The 8-pin surface mount DIP (SMD-8B) packaged TOP245G and TOP246G devices can be dropped into ...

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Power amplifier for 1,9 to 2,5 GHz wireless applications
22 March 2006
Toshiba Electronics Europe's new medium power SiGe bipolar complementary metal oxide semiconductor (BiCMOS) power amplifier, the TA4401CT, is well suited for use in 1,9 GHz to 2,5 GHz band wireless applications ...

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Bi-directional linear current sensors
22 March 2006, Altron Arrow
Allegro MicroSystems Europe has introduced a new family of bi-directional linear Hall-effect sensors that combine a 20 A dynamic range with an internal resistance of only one milliohm, an accuracy of ...

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Switching power supplies designed for efficiency
22 March 2006, Current Automation
Mean Well has added two new product series to its AC/DC product line: AS-120P, a 120 W power adaptor, and the ASP-150, a 150 W open-frame type switching power supply. Featuring low 'no-load power consumption' ...

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1000 W enclosed power supply for cost-sensitive applications
22 March 2006, Current Automation
Mean Well introduced its SE-1000 series, a 1000 W enclosed-type switching power supply, for the growing demand of low cost high-wattage applications. Featuring 0,45 W/cm³ of power density and a built-in ...

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Innovative 175 W AC/DC supply delivers any required voltage
22 March 2006, Vepac Electronics
XP Power has introduced an innovative AC/DC switching power supply that enables users to specify any voltage level up to the maximum rating of each output while still maintaining full agency approvals. ...

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LED driver offers programmable output current and PWM dimming
22 March 2006, Communica
Supertex has introduced an eight-pin LED driver IC with adjustable output current and pulse width modulated (PWM) dimming. The HV9925 integrated circuit can drive multiLED strings in off-line applications ...

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Voltage monitoring ICs added to supervisor family
8 March 2006, Altron Arrow
STMicroelectronics recently extended its family of Supervisor and Reset ICs with the introduction of the STM1061 series of low-power precision voltage detectors. The SOT23-packaged series - which complements ...

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Full-bridge motor driver IC with Hall element
8 March 2006, Altron Arrow
The new A1441 from Allegro MicroSystems Europe is a full-bridge motor driver integrated circuit designed to drive single-phase, low-voltage bipolar brushless DC motors. Commutation of the motor is achieved ...

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DC-DC converters have higher powers
8 March 2006, Current Automation
Mean Well's SD-200 (200 W) and SD-350 (350 W) series enclosed type DC-DC converter expands the company's SD product lines to higher wattage range for the growing demand of middle power DC-DC applications. Featuring ...

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Innovative power plant upgrade for telco reduces operating costs and extends life expectancy
22 February 2006
A locally-developed remote management system for telecommunication power plants has resulted in reduced maintenance costs and a longer life expectancy for rectifiers. Although telecom network operators ...

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