Power Electronics / Power Management


Latest Articles

Universal noise attenuator in SIP package
12 March 2003
Vicor's new QuietPower output ripple attenuation module - designated QPO-1 - uses active filtering in a SIP package (measures 25 x 25 x 5 mm) to provide >20 dB of conducted differential noise attenuation ...

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Low-profile power modules power factor corrected
12 March 2003
Northwest Power Integrations (NPI) - a Vicor Integration Architect - has introduced a new series of its PowerBank family of low-profile power supplies that adds power-factor correction capability. From ...

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Two ultra-small PWM current-mode controllers
12 March 2003
ON Semiconductor has introduced the NCP1203 and NCP1200A - two space-saving Pulse Width Modulator (PWM) current-mode controllers that enable power supply designers to meet standby power regulations such ...

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Triple power regulator solution lowers cost and size for WLAN devices
12 March 2003, Altron Arrow, EBV Electrolink
Intersil has combined its expertise in power management and wireless LAN chipset design to develop a new triple low-dropout (LDO) regulator IC that reduces board space and costs by combining three LDO ...

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Cutting waste in standby power
12 March 2003
Pressure is mounting to reduce energy waste globally as consumers use more appliances requiring power or recharging. Energy agencies worldwide have created regulations to reduce the costly waste but the ...

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Integrated converter chip simplifies board development
12 March 2003, Altron Arrow
Philips Semiconductors released a new semiconductor converter that integrates five component functionalities required for a single-phase DC to DC synchronous buck converter in a single package. The PIP250M ...

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Nonvolavile digital resistors simplify automated power supply trim
12 March 2003, CST Electronics
Dallas Semiconductor is introducing a nonvolatile (NV), triple digital resistor. This DS3904 device is suited for implementing automated calibration of PC power supplies and other electronics currently ...

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Automotive power HEXFETs
12 March 2003
International Rectifier offers a new automotive-specific, trench HEXFET power MOSFET technology with a claimed 15% lower device on-resistance per unit area than industry standard and excellent avalanche ...

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Inductor-free charge pump converters
12 March 2003, Tempe Technologies
Microchip's MCP1252 and MCP1253 regulated charge pump DC-to-DC converters can provide a space-saving, power management solution for DC-to-DC conversions in a battery-operated environment. These 120 mA ...

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Scalable multiphase architecture for interleaved buck DC-DC converters
12 March 2003
International Rectifier has launched XPhase, which it calls an extremely flexible and scalable architecture for multiphase, interleaved buck DC-DC converters requiring one or more phases. The first XPhase ...

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Advanced inverter supplies up to 160 kW, constant or variable torque
12 March 2003
Omron's new advanced 3G3RV inverter is useful in many typical applications like handling, hoisting, conveyors, cranes, fans and pumps and many others. This is a general-purpose drive, suitable for constant ...

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Automatic voltage stabilisers for Africa
12 March 2003
Power quality management provider Advance-Galatrek has launched a new range of automatic voltage stabilisers (AVS), which are suited for geographical regions that are subject to inconsistencies in the ...

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240 W AC/DC converter can supply 100 A
12 March 2003
Incorporating Power-One's patented efficient dual geometric edge (EDGE) technology, the NET1 Series is capable of providing output current exceeding 100 A. This quad-output series provides current share ...

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Hot swap controller
12 March 2003
Linear Technology's LTC4212 is a Hot Swap controller in MSOP package that disconnects the system supply if a DC/DC converter fails to enter into regulation within a programmable period. The LTC4212 features ...

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Thyristor phase controllers
12 March 2003
Phasecon has been operating in the industrial electronic industry since 1980 and has established a reputation for quality and reliability. Pinetown Electronics, one of the strongest industrial electronics ...

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Gen-set for telecommunications operators
12 March 2003
Kohler Power Systems offers a generator set designed specifically for telecom operators wanting to guard against any break in the electricity supply for Internet, satellite, mobile phone or cable-television ...

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Designer's guide to charging Li-Ion batteries
26 February 2003
Ref: z263145m Li-Ion rechargeable batteries are finding their way into many applications due to their size, weight and energy storage advantages. These batteries are already considered the preferred ...

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Input-current-limited battery charger offers complete solution
26 February 2003, CST Electronics
Maxim has introduced the MAX1908, a highly integrated, multichemistry battery charger that it says helps simplify the construction of accurate, efficient chargers. The device charges two to four lithium ...

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Microstepping motor driver IC has built-in translator
26 February 2003, Altron Arrow
Allegro's stepper-motor driver IC uses the company's 'EasyStepper' translator technology to provide microstepping (one-eighth step) operation for office automation, industrial and medical applications. ...

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Micro-packaged DC-DC converters
26 February 2003, News & Events
ON Semiconductor, offers two new high frequency DC-DC converters with low-battery detectors for use in portable and wireless electronics. The NCP1410 and NCP1411 are micro-powered, monolithic, pulse ...

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