Power Electronics / Power Management


Latest Articles

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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Amplifiers deliver 90% power efficiency for automotive audio
8 February 2006
Ushering in a higher standard in car audio, Texas Instruments has released its first digital amplifiers designed to meet the high reliability and unique requirements of the automotive market. The TAS5414 ...

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General purpose rectifiers in small footprint package
8 February 2006, MB Silicon Systems
Central Semiconductor has released a series of 1,0 A general purpose rectifiers in the flat lead SOD-123F surface mount package. The new CMMR1 series of devices have peak repetitive reverse voltages of ...

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Single-output 200 W supply with PFC is highly compact
8 February 2006, Current Automation
In a package measuring 127 x 76 mm, and 1U high, Mean Well has managed to squeeze power supply with power factor correction (PFC) function that achieves 200 W. Thanks to the advanced technology of soft ...

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Dual pair Schottky diode package
8 February 2006, MB Silicon Systems
Central Semiconductor has released a dual pair of low VF Schottky diodes packaged in a space-saving SUPERmini SOT-26 surface mount case. The new CMXSH2-4LS device consists of two pairs of low VF Schottky ...

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Fully-featured voltage supervisors are tiny
8 February 2006, Altron Arrow, Electrocomp, Tempe Technologies
Microchip Technology has released 10 new voltage supervisors: the MCP1316, MCP1316M, MCP1317, MCP1318, MCP1318M, MCP1319, MCP1319M, MCP1320, MCP1321 and MCP1322. The new devices offer a watchdog timer, ...

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Choosing the right temperature sensor
25 January 2006, Altron Arrow, Tempe Technologies
Temperature sensors are used in a wide range of functions, ranging from shut-down in the event of an over-temperature condition, to display temperature and thermal calibration in high-accuracy systems. ...

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Range of non-isolated DC-DC converters extended
25 January 2006
Bourns has announced the release of an extended range of non-isolated DC-DC converters in industry-standard packaging. The company's non-isolated converters provide the low voltages needed to support ...

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MOSFET improves conduction losses by up to 30%
25 January 2006
International Rectifier's IRF6648, a 60 V DirectFET power MOSFET featuring a maximum on-state resistance of 7,0 mΩ (VGS = 10 V) is claimed to enable up to 30% lower device conduction losses compared to ...

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Low-side intelligent power switches are automotive-qualified
25 January 2006
International Rectifier has introduced the IPS10xx family of low-side intelligent power switches (IPS). The devices are qualified to Q100, making them highly suitable for harsh automotive environments ...

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Mobile power made easy
25 January 2006
Solar technology has now progressed to deliver efficient DC energy out in the field for many mobile devices. Solar manufactures solar products for low power consumption PDA and cellular users in the field, ...

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Small 100 W AC/DC switcher for industrial and medical applications
25 January 2006, Vepac Electronics
The ECM100 single-output AC/DC switching power supply from XP Power is claimed to be the world's most compact unit of its type. Using innovative physical and electrical construction, it comes with full ...

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Quad-output enclosed type switching power supply
25 January 2006, Current Automation
Mean Well has introduced the QP-320 series, a 320 W quad-output enclosed type switching power supply with power factor correction (PFC) function. Featuring 20 A (<1 ms) peak current capability for the ...

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Step down regulators for portable applications
25 January 2006, Hi-Q Electronics
AnalogicTech's AAT2506 and AAT2511 step-down voltage regulators offer high current capability, rapid turn-on time, and high level of integration that the company says will help designers meet rising performance ...

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LED driver/power-converter is efficient and space saving
25 January 2006, Altron Arrow, EBV Electrolink
ON Semiconductor's NCP5603 - a white LED driver designed to drive high brightness LEDs in torch or flash applications for camera phones and other portable uses, provides power conversion by means of a ...

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Dual output synchronous DC/DC controller
25 January 2006
Linear Technology's LTC3827, a low quiescent current, 2-phase dual output synchronous step-down DC/DC controller IC, draws only 80 μA when one output is active and only 115 μA when both outputs are active. ...

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