Power Electronics / Power Management


Latest Articles

USB power manager chip reduces battery charging time
26 March 2003
Linear Technology's LTC4410, a USB power manager IC in a ThinSOT package, enables simultaneous battery charging and system operation of a Li-Ion powered USB peripheral from a USB host. Compared to conventional ...

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New configurable power solutions
26 March 2003, Vepac Electronics
XP's new range of configurable power solutions comprises three product groups all of which are available through local distributor Vepac Electronics.    * The LP Series offers from 150-450 W power in a ...

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Continuous current measurement up to 50 A
26 March 2003, Phoenix Contact
The MCR-1/5-U/I-(SW)-DCI and MCR-S-10/50-U/I-(SW)-DCI current measuring transducers for measuring real-effective values from Phoenix Contact enable exact detection of direct and alternating currents with ...

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LDO linear regulators 'world's smallest'
26 March 2003, CST Electronics
The MAX8530/MAX8531/MAX8532 from Maxim are claimed to be the world's smallest, low-noise, low-dropout (LDO) linear regulators. Overall solution size is 80% smaller than industry standard, making them ...

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0,9 V to VIN 500 mA step-down converter
26 March 2003, Tempe Technologies
Microchip's 500 mA, DC-to-DC synchronous step-down converter operates over a wide range of input and output conditions and provides an efficient method of transforming battery or bus voltage to the system ...

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Triple output switching power supply controller
26 March 2003
A DC-to-DC switching power supply controller that combines the functions of three PWM and PSM converter ICs in a single device was launched by Vishay's Siliconix subsidiary. Aimed at consumer electronic ...

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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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